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Journal articles on the topic 'Bioplastic material'
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1
Suwardi, Suwardi, and Nur Hidayati. "Karakteristik Bioplastik Kitosan-Onggok Aren (Arenga pinnata) dengan Penambahan Serbuk Kunyit." Equilibrium Journal of Chemical Engineering 4, no. 2 (February 18, 2021): 65. http://dx.doi.org/10.20961/equilibrium.v4i2.47911.
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<p class="p1"><span class="s1"><strong>Abstrak. </strong></span>Bioplastik merupakan plastik organik yang salah satu fungsinya dapat digunakan sebagai pengemas bahan pangan. Bioplastik dikenal ramah lingkungan karena mudah terdegrasi oleh alam. Kitosan dapat dimodifikasi dengan pati onggok aren dalam pembuatan bioplastik untuk meningkatkan kekuatan bioplastik. Penambahan kunyit ke dalam bioplastik kitosan-serat onggok diharapkan dapat meningkatkan ketahanan terhadap mikroba sehingga bioplastic tersebut dapat digunakan sebagai bahan kemasan makanan.<span class="Apple-converted-space"> </span>Penelitian ini bertujuan untuk mengetahui karakteristik bioplastik kitosan-onggok aren yang ditambah kunyit dengan variasi 0,3- 1,2 %. Uji fisik yang dilakukan meliputi uji daya serap air, uji kuat tarik, uji elongisitas dan uji biodegradasi. Peningkatan banyaknya kunyit dalam air meningkatkan sifat daya serap air, kuat tarik dan biodegradasinya, sedangkan penurunan kemuluran plastik berkurang dengan peningkatan banyaknya kunyit dalam plastik.</p><p><strong>Abstract.</strong> Bioplastics are organic plastics which one of their functions can be used as food packaging. Bioplastics are known to be environmentally friendly because they are easily degraded by nature. Chitosan can be modified with onggok palm starch in making bioplastics to increase the strength of the bioplastics. The addition of turmeric to the chitosan-onggok bioplastic is expected to increase resistance to microbes so that the bioplastic can be used as a food packaging material. This study aims to determine the bioplastic characteristics of chitosan-onggok palm sugar added with turmeric with a variation of 0.3-1.2%. Physical tests carried out include water absorption test, tensile strength test, elongicity test and biodegradation test. The increase in the amount of turmeric in water increases its water absorption, tensile strength and biodegradation properties, while the decrease in plastic elongation decreases with the increase in the amount of turmeric in the plastic.</p>
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Fathurohman, Viki, Darmawan Alisaputra, and Endaruji Sedyadi. "The Effect of Addition of Avocado Fruit Seeds On Bioplastic Biodegradation." Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 137–45. http://dx.doi.org/10.14421/icse.v3.547.
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Bioplastics can be made with chitosan as a base material with a sorbitol plasticizer and avocado-based seed starch. This study tries to discuss the comparison of avocado seeds to bioplastic biodegradability required based on weight loss in soil media. This research was carried out in empathic, namely making avocado starch, making bioplastics, analyzing bioplastic functional groups, and testing biodegradation of bioplastics in soil media. Variations used are avocado seeds used are 0; 0.1; 0.3; 0.5; 0.7; and 1.4 grams. Bioplastic functional group analysis was performed using FTIR. Bioplastic biodegradability in soil media. Bioplastics are 76% degraded within 12 days in the soil. This shows that bioplastics can be biodegradable.
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Ramadhani, Ajeng Ayu, and Nirmala Fitria Firdhausi. "Potensi Limbah Sisik Ikan Sebagai Kitosan dalam Pembuatan Bioplastik." JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI 6, no. 2 (September 27, 2021): 90. http://dx.doi.org/10.36722/sst.v6i2.782.
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<p><strong>Bioplastics are environmentally friendly plastics derived from natural materials. Bioplastics are easier to decompose when compared to commercial plastics. Bioplastics are generally made from starch contained in plants. But the use of starch as a base material has the disadvantage of producing bioplastics that are not waterproof. Therefore, it is necessary to add chitosan to improve bioplastic characteristics. Chitosan usually comes from the shell of crustacean animals, but it turns out that in fish scales waste, also contains chitosan. Fish scales are a by-product of the process of fish processing. Fish scales are only discarded and not utilized so that they become waste that can pollute the environment. Fish scales have a chitin content that can process into chitosan, which can be useful as an additional ingredient in the manufacture of bioplastics. This review aims to find out the potential of fish scales waste as chitosan in the manufacture of bioplastics. Based on the results of previous research, fish scales have a chitosan content that can use as an additional ingredient in the manufacture of bioplastics. Fish scale chitosan can form bioplastic film with characteristic brownish-yellow film. The addition of fish scale chitosan is also able to improve the water resistance of bioplastic film. Based on the results of the review can be concluded bring fish scales to have the potential as chitosan that can use in the manufacture of bioplastic.</strong></p><p><strong>Keywords –</strong> <em>Bioplastic, Chitosan, Fish Scales.</em></p><p> </p>
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Pardian, Pandi, Tomy Perdana, and Trisna Insan Noor. "Cassava Bioindustrial Perspective." E3S Web of Conferences 249 (2021): 02004. http://dx.doi.org/10.1051/e3sconf/202124902004.
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Cassava is one of the commodities of food crops that mainly processed in food products. In addition to being the raw material, cassava food products also have the potential as raw materials for making bioplastics. Processing cassava into bioplastics is carried out by bio-industrial, so the discussion about the process of utilizing cassava up to being bioplastic is interesting to explore. The results of descriptive analysis and literature sharing show that the cassava bio-industry is more environmentally friendly because the production in the form of bioplastic is easier to decompose compared to fossil plastics, the production process with the concept of circulation has the ability to eliminate waste
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Listyarini, Risnita Vicky, Puspita Ratna Susilawati, Rosalia Cahyaningrum, and Nely Tonapa. "Karakterisasi Bioplastik dari Pektin Kulit Labu Kuning (Cucurbita moschata Durch)." Hydrogen: Jurnal Kependidikan Kimia 8, no. 1 (June 17, 2020): 11. http://dx.doi.org/10.33394/hjkk.v8i1.2559.
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Pumpkin (Cucurbita moschata Durch) is one of the vegetable plants that are generally consumed as food. Pumpkin skin is a waste that has potential as a raw material for making bioplastics because it has pectin content. The characteristics of pectin that are gel become a reference in making bioplastics. Bioplastic synthesis consists of four steps, namely the making of pumpkin peel flour, pectin extraction, bioplastic synthesis, and bioplastic characterization. The experimental results show that pumpkin skin waste can be extracted with HCl solution and produce pectin in a ratio of0.1:10 grams (w/w). The results of FTIR spectra characterization showed that bioplastics included pectin which produced absorption of C = O carbonyl groups in 1645 - 1625 cm-1 and C-O stretch groups at 1101 - 1104 cm-1. Bioplastics produced have yellow characteristic. Pumpkin skin waste bioplastics are expected to be an alternative solution to the utilization of waste into products.
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Hubbe, Martin A., Nathalie Lavoine, Lucian A. Lucia, and Chang Dou. "Formulating bioplastic composites for biodegradability, recycling, and performance: A Review." BioResources 16, no. 1 (November 1, 2020): 2021–83. http://dx.doi.org/10.15376/biores.16.1.hubbe.
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Society’s wish list for future packaging systems is placing some daunting challenges upon researchers: In addition to protecting contents during storage and shipping, the material must not bio-accumulate, and it should be readily recyclable by using practical processing steps. This article considers strategies employing bio-based plastics and reviews published information relative to their performance. Though bioplastics such as poly(lactic acid) (PLA) and poly(hydroxybutyrate) (PHB) can be prepared from plant materials, their default properties are generally inferior to those of popular synthetic plastics. In addition, some bioplastics are not easily decomposed in soil or seawater, and the polymers can undergo chemical breakdown during recycling. This review considers strategies to overcome such challenges, including the use of biodegradable cellulose-based reinforcing particles. In addition to contributing to strength, the cellulose can swell the bioplastic, allowing enzymatic attack. The rate-controlling step in bioplastic degradation also can be abiotic, i.e. not involving enzymes. Though there is much more work to be done, much progress has been achieved in formulating bioplastic composites that are biodegradable, recyclable, and higher in strength compared to the neat polymer. Emphasis in this review is placed on PLA and PHB, but not to the exclusion of other bioplastic matrix materials.
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Wong, Y. C., and D. N. Roma. "Potential of the biodegradability and characteristics of bio-plastic from microalgae residues." Algologia 31, no. 1 (March 2021): 80–92. http://dx.doi.org/10.15407/alg31.01.080.
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Petroleum-based plastic has been widely used in many industries. However, it takes hundreds of years to degrade and causes widespread pollution to our environment. These problems led to the invention of bioplastics, which were comprised of natural biopolymers made from starch. The production of bioplastics from food-based starches such as tapioca and corn created competition between food and bioplastic production industries. Hence, this research study focuses on producing bioplastic from microalgae residue, which is a non-food based raw material that uses four different types of plasticizers: glycerol, sorbitol, glutaraldehyde and polyethylene glycol (PEG). Microalgae species for identification were obtained from the fish pond at the University Malaysia of Kelantan, before cultivating the species for 14 days. The microalgae residues were extracted through the centrifugation process. Three species were identified under the light microscope, Chlorella sp., Scenedesmus sp. and Monoraphidium sp. The production of bioplastic involved a manual stirring method using a hotplate magnetic stirrer, followed by drying the bioplastic in an oven at 60 oC. Results obtained showed that sorbitol and glycerol from microalgae are suitable to be used as a plasticizer for the production of bioplastic, however glutaraldehyde and PEG are not suitable. Bioplastics that used PEG and glutaraldehyde became cracked and brittle after the drying process. The characterization of bioplastics includes universal tensile testing machines, Fourier-transform infrared analysis and biodegradability tests being processed//undertaken on glycerol-based and sorbitol based bioplastic. Characterization of bioplastics proved that both glycerol and sorbitol have high potential for applications in daily human life. Bioplastics which used sorbitol as a plasticizer could be used in can be applied the production of plastic goods such as toys and household items due to its good resistance toward stress and minimal flexibility. Meanwhile bioplastics which used glycerol as a plasticizer could be applied to the production of plastic bags and plastic food wrap due to its elastic and flexible nature.
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Zaky, Muhammad Abdul, Rini Pramesti, and Ali Ridlo. "Pengolahan Bioplastik Dari Campuran Gliserol, CMC Dan Karagenan." Journal of Marine Research 10, no. 3 (August 2, 2021): 321–26. http://dx.doi.org/10.14710/jmr.v10i3.28491.
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Indonesia menghasilkan 64 juta ton sampah di laut dan 3,2 juta ton di antaranya adalah plastik. Pencemaran tersebut mendorong pencarian plastik berbahan dasar ramah lingkungan yang dapat terurai . Bioplastik yang merupakan alternatif kemasan plastik dan bersifat ramah lingkungan. Berbagai bahan dasar pembuatan bioplastik telah ditemukan, salah satunya dasar karagenan. Penelitian ini bertujuan mengetahui karakteristik bioplastik hasil ekstraksi karagenan rumput laut Kappaphycus alvarezii dan mengetahui konsentrasi terbaik bioplastik hasil ekstraksi karagenan berdasarkan tebal film, kuat tarik dan persen pemanjangan. Metode yang digunakan adalah eksperimental laboratoris. Ekstraksi menggunakan perlakuan alkali dengan larutan KOH. Proses ekstraksi menghasilkan tepung karagenan yang digunakan sebagai bahan pembuatan bioplastik. Pembuatan bioplastik menggunakan campuran karagenan dengan 5 variasi massa karagenan, gliserol 10 ml dan 1,2 g CMC. Hasil ekstraksi menghasilkan rendemen 41,12%, kadar air 2,75%, kadar abu 19,10%, kekuatan gel 452,38 dyne/cm2dan viskositas 8,33 cP. Hasil penelitian tentang nilai ketebalan film bioplastik terbaik pada karagenan 3,5 g yaitu 0,093 mm, kuat tarik terbaik pada 1,5 g yaitu 2,587 Mpa, elongasi terbaik pada karagenan 1,5 g sebesar 44,992%. Berdasarkan data tersebut, hasil penelitian ini dapat diaplikasikan sebagai kemasan primer produk pangan. Sea pollution in Indonesia has increased every year with one of the pollutants is plastic. Indonesia produces 64 million tons of waste at sea and 3.2 million tons of which are plastic. The pollution is encouraging researchers to create plastic-based materials that are environmentally friendly and biodegradable. Bioplastics are an environmentally friendly alternative to plastic packaging. This study aims to determine the characteristics of bioplastics extracted from Kappaphycus alvarezii seaweed carrageenan and determine the best concentration of bioplastics from the extraction based on film thickness, tensile strength, and elongation percentage. The method that used in the research is experimental laboratory. The extraction uses alkaline treatment with KOH solution. The extraction process produces carrageenan flour which will be used as a bioplastic material. Making bioplastics using a mixture of carrageenan with 5 variations of concentration, glycerol 10 ml and 1.2 g CMC. The results of extraction showing 41.12% yield, 2.75% moisture content, 19.10% ash content, 452.38 dyne / cm2 gel strength, 8.33 cP viscosity. Carrageenan with the best value of bioplastic film thickness is 3.5 g which is 0.093 mm, the best tensile strength is achieved at 1.5 g with a tensile strength value of 2.587 MPa, the best elongation is achieved at 1.5 g with a value of 44.992%. Based on data showing that this research can be applied as primary packaging for food products.
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Simonic, Marjana, and Fras Zemljic. "Production of bioplastic material from algal biomass." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2020): 26. http://dx.doi.org/10.2298/ciceq191024026s.
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Bioplastic. composite material was developed from polylactic acid used as basic polymer and microalgae. Two types of biomaterials were prepared based on the proportion of microalgae and polylactic acid. The mass ratios were set to 5:95 %w/w and 10:90 %w/w. Firstly, Spirulina was chosen as initial material and secondly a mixed culture of microalgae community from the biogas digestate treatment. The aim of the research was to study the characteristics of materials in order to determine whether the algal biomass community could be used in the production of bioplastics. It was found out that microalgae do not significantly impact the properties of the polylactic acid material. The degree of material crystallinity increased, the melting temperature reduced, and the modules of losses increased.
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Amri, Idral, Khairani, and Irdoni. "Studi karakteristik sintesis bioplastik menggunakan bahan dasar ubi kayu dengan variasi penambahan selulosa nanas dan pengadukan." CHEMPUBLISH JOURNAL 4, no. 2 (December 31, 2019): 62–70. http://dx.doi.org/10.22437/chp.v4i2.7649.
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Bioplastic or biodegradable plastics are polymers that are composed of organic monomers found in starch and cellulose. The purpose of this research is to make bioplastics with use of raw material starch cassava and cellulose filler pineapple leaves, by varying the speed of stirring and the number of fillers, as well as knowing the nature of the bioplastic mechanics (Modulus Young, Elogenasi , Strong tensile), biodegradability, morphology and site. The methods on this research started from the preparation of raw materials, the manufacture of cellulose pineapple, the manufacture of cassava starch and the manufacture of bioplastics. The concentration of fillers used in the study was 0.3 grams, 0.6 grams, 0.9 grams, 1.2 grams and 1.5 grams in every 10 grams of starch, stirring variations of 200 rpm and 300 rpm. And obtained the best results in this study is bioplastic which has a strong tensile 13.24 Mpa, elongation 5.16%, modulus young 1072.83 Mpa, biodegrability of the land for 7 days, site 33.33%, obtained at a concentration of 1.5 grams cellulose and pineapple Stirring 300 rpm.
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Udjiana, S. Sigit, Sigit Hadiantoro, Anang Takwanto, and Anugrah Windy Mustikarini. "Peningkatan Karakteristik Biodegradable Plastics dari Kulit Pisang Candi dengan Penambahan Filler Kalsium Silikat dan Clay." Jurnal Teknik Kimia dan Lingkungan 4, no. 2 (October 27, 2020): 175. http://dx.doi.org/10.33795/jtkl.v4i2.135.
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Biodegradable plastics adalah plastik yang memiliki sifat ramah lingkungan. Kulit pisang candi berpotensi digunakan sebagai bahan dasar pembuatan bioplastik karena mengandung pati sebesar 28,488 %. Penelitian ini bertujuan untuk mengetahui pengaruh plasticizer (sorbitol) dan filler (kalsium silikat dan clay) terhadap kuat tarik, % elongasi, % biodegradasi dan % absorpsi bioplastik. Berdasarkan hasil yang diperoleh, semakin banyak filler clay atau kalsium silikat maka bioplastik memiliki kuat tarik yang besar dan % elongasi yang semakin kecil. Semakin banyak clay yang ditambahkan maka semakin besar daya absorpsi terhadap air, namun semakin banyak kalsium silikat yang ditambahkan maka semakin kecil daya absorpsi terhadap air. Semakin banyak filler kalsium silikat dan clay maka semakin kecil % biodegradasi bioplastik. Semakin banyak jumlah sorbitol yang ditambahkan maka semakin besar % elongasi, % biodegradasi dan % water absorption namun semakin kecil % kuat tarik. Bioplastik dengan penambahan filler kalsium silikat memiliki kuat tarik antara 4,11-22,08 Mpa, % elongasi antara 2,17%-57,95%, % water absorption antara 67,26%-120% dan %biodegradasi antara 0,61%-19,22%. Bioplastik dengan penambahan filler clay memiliki kuat tarik antara 2,38-14,05 Mpa, %elongasi antara 2,11%-46,24%, % water absorption antara 79,07%-150,67% dan %biodegradasi antara 1,17%-34,54%.Biodegradable plastics is plastic which has environmentally properties. Candi banana peels potential to be used as a basic material for making bioplastics because it contains 28,488% starch. The aims of our research is to determine the effect of plasticizer (sorbitol) and filler (calcium silicate and clay) on tensile strength, elongation (%), biodegradation (%) and bioplastic absorption (%). Based on the result, the more amount of calcium silicate or clay filler added, the larger tensile strength and the smaller % elongation. The more amount of clay added, the greater absorption capacity of water, but the more calcium silicate added, the smaller absorption capacity of water. The more amount calcium silicate filler added, the smaller the biodegradation of bioplastic, but in the data based on clay filler, % biodegradation decreased. The more amount of sorbitol added, the greater % elongation, % biodegradation and % water absorption, but the smaller % tensile strength. Bioplastics with calcium silicate as filler has tensile strength between 4.11-22.08 Mpa, % elongation between 2.17% -57.95%, % water absorption between 67.26% -120% and % biodegradation between 0.61-19.22%. Bioplastics with clay as filler has tensile strength between 2.38-14.05 MPa, % elongation between 2.11%-46.24%, % water absorption between 79.07%-150.67% and % biodegradation between 1,17% -34.54%.
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CORDEIRO, Paula Novais, Skarllet Toledo CAETANO, and Raquel Moreira Maduro DE CARVALHO. "PRODUCTION OF BIOPLASTIC FROM POTATO STARCH." SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 27, no. 27 (December 20, 2019): 30–34. http://dx.doi.org/10.48141/sbjchem.v27.n27.2019.36_2019.pdf.
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Due to their diverse properties, plastic materials are used in numerous sectors. It is possible to produce different articles and plastic objects with reduced costs, being more accessible to the population. Conventional plastics are obtained from petroleum-derived raw materials, a non-renewable resource in which their extraction and refining process cause major environmental impacts. The production of plastic reaches a level of approximately one hundred and forty million tons per year, and the disposal of these materials is increasing, generating a high rate of waste and leading to an increase of pollution since the decomposition of these materials lasts about five hundred years old. Conventional plastics can be replaced by bioplastics, a material obtained from renewable raw materials such as potatoes, cassava, maize, and which, when disposed of under favorable conditions, decomposes faster, as during its degradation process at least one step occurs. Through the metabolism of organisms present in the environment. Starch has been widely used in the production of biodegradable packaging, so the objective of this work was to produce a biodegradable bioplastic from the potato starch. Potato starch, glycerin, hydrogen peroxide, distilled water, and commercial agar were used to produce the bioplastic. Bench-scale bioplastics had good organoleptic characteristics, similar in appearance to a conventional plastic obtained from petroleum. The thickness, moisture content, and solubility of the bioplastics were analyzed, as well as their fruit preservation capacity. The samples produced were rigid and with good resistance.
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Gabriel, Azmi Alvian, Anggita Fitri Solikhah, Alifia Yuanika Rahmawati, Yunita Sasmi Taradipa, and Erni Tsania Maulida. "Potentials of Edible Canna (Canna edulis Kerr) Starch for Bioplastic: A Review." Industria: Jurnal Teknologi dan Manajemen Agroindustri 10, no. 2 (August 30, 2021): 182–91. http://dx.doi.org/10.21776/ub.industria.2021.010.02.9.
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Starch-based bioplastic was more economical and competitive compared to bacteria-based bioplastics (polylactic acid, polybutylene succinate, and polyhydroxyalkanoates) due to the starch variances and the availability in Indonesia, along with the simple techniques that can be applied. This review aimed to describe the potential and opportunities of edible canna starch as an alternative raw material of bioplastics production. Edible canna tuber productivity in Java, Indonesia, with a harvest age of about eight months reaches 30-49.4 tons/ha. It will produce a mature segment 70.2% of the total harvest weight. Edible canna tuber was a carbohydrate source that contains 88.10% starch with an advantage of 68% higher fiber and mineral content than other tubers. Furthermore, canna tuber starch contains amylose proportions of 35.0%. The high amylose content in canna starch is one of the properties that can position its function for developing packaging materials. The gelatinization process of canna starch requires a short time and low energy because of its large granule size (56 μm). A literature review of canna starch as an alternative of bioplastic raw materials needs to be carried out to obtain accurate data and information regarding treatment, use of additional materials, and characteristics of bioplastic products resulting from experimental studies so that they can be further implemented.
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Rizal, Samsul, Tata Alfatah, Abdul H. P. S., E. Mistar, C. Abdullah, Funmilayo Olaiya, F. Sabaruddin, Ikramullah, and Umar Muksin. "Properties and Characterization of Lignin Nanoparticles Functionalized in Macroalgae Biopolymer Films." Nanomaterials 11, no. 3 (March 4, 2021): 637. http://dx.doi.org/10.3390/nano11030637.
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The demand for bioplastic material for industrial applications is increasing. However, moisture absorption and low mechanical strength have limited the use of bioplastic in commercial-scale applications. Macroalgae is no exception to these challenges of bioplastics. In this study, Kappaphycus alvarezii macroalgae were reinforced with lignin nanoparticles. Lignin nanoparticles (LNPs) were used as a filler to reduce the brittleness and hydrophilic nature of macroalgae (matrix). Lignin nanofiller was produced using a green approach from black liquor of soda pulping waste and purified. The physical, mechanical, morphological, structural, thermal, and water barrier properties of LNPs with and without the purification process in macroalgae films were studied. The bioplastic films’ functional properties, such as physical, mechanical, thermal, and water barrier properties, were significantly improved by incorporating purified and unpurified LNPs. However, the purified LNPs have a greater reinforcement effect on the macroalgae than unpurified LNPs. In this study, bioplastic film with 5% purified LNPs presented the optimum enhancement on almost all the functional properties. The enhancement is attributed to high compatibility due to strong interfacial interaction between the nanofiller and matrix. The developed LNPs/macroalgae bioplastic films can provide additional benefits and solutions to various industrial applications, especially packaging material.
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Christwardana, Marcelinus, I. Ismojo, and Sidik Marsudi. "Physical, Thermal Stability, and Mechanical Characteristics of New Bioplastic Elastomer from Blends Cassava and Tannia Starches as Green Material." Molekul 16, no. 1 (March 28, 2021): 46. http://dx.doi.org/10.20884/1.jm.2021.16.1.671.
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This paper presents the study results of the morphology, physical properties, thermal stability, and mechanics of bioplastic blends made from tannia and cassava starch, with a varying weight from 0 to 95%. The addition of tannia to the cassava starch-based bioplastic composition has the ability to reduce the number of pores, density, and water absorption with an average thickness of 0.21-0.29 mm. It also increased moisture content due to its nature, which is more hydrophilic than cassava starch. The result showed that the tensile strength of bioplastic ranged from 0.81-1.33 MPa and elongated from 31-35%. In addition, the thermal analysis data showed that the glass transition temperature shifted marginally due to intermolecular activity. This shows that tannia starch has promising potential as an alternative raw material for bioplastics to replace cassava starch which is more dominantly used as a food source.
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Nasir, Nur Nadia, and Siti Amira Othman. "Feasibility of Irradiated Corn-Based Bioplastics as Packaging Material." Solid State Phenomena 317 (May 2021): 241–50. http://dx.doi.org/10.4028/www.scientific.net/ssp.317.241.
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There are increasing intrest in research on corn based bioplastic to replace current plastic. However, corn based bioplastic faces a major drawback which are lack water barrier and poor mechanical properties resulting from its hydophilic properties. To produce better corn based bioplastic properties, a lot of research has been focuses on blend corn based bioplastic with other co biopolymer or additives and also radiation. By using radiation corn based bioplastic will induce degradation, cross linking or grafting and next the properties of corn based bioplastic will be improve in aspect of mechanical, physical and barrier properties and also acceptable to use as packaging material. Irradiated corn based bioplastic also have wide range of technology, the availability, less harmful to environment and the most important is the potential to use as packaging material. There is hot debate about using irradiated corn based bioplastic as packaging material. This review paper will be discussing and also to provide information on influence of radiation on the properties corn based bioplastic and its feasibility as packaging material.
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Lavagnolo, Maria Cristina, Federica Ruggero, Alberto Pivato, Carlo Boaretti, and Alessandro Chiumenti. "Composting of starch-based bioplastic bags: small scale test of degradation and size reduction trend." Detritus, no. 12 (September 30, 2020): 57–65. http://dx.doi.org/10.31025/2611-4135/2020.14008.
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In Italy, the majority of bioplastic bags used in food waste collection is made of starch-based biopolymer. The compostability of this material in a full-scale plant remains to be demonstrated, largely due to the fact that bioplastic bags are screened and removed together with conventional plastic bags during pre-treatment steps. The present research was performed on a small scale to study the degradation of starch-based bioplastics during composting. Evolution of the physical and chemical parameters of the material was evaluated by means of Fourier Transform Infrared (FTIR), experimental mass loss and granulometric trend. The results obtained suggested that fragmentation (physical size reduction of the material) occurred mainly during the thermophilic phase, while biodegradation (breakdown by microorganisms of an organic chemical into simpler, innocuous compounds) occurred during the curing phase. Based on the monitored parameters (TS, VS, pH, C/N and RI4), the composting process of the waste matrix ended after 55 days, but the degradation of bioplastics failed to achieve the regulatory standards for assessment of compostability (≤ 10% sized > 2 mm). Experimental data revealed a linear trend for the fragmentation process and a duration of 100 days would be required to meet regulatory requirements.
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Rinaldi Febrianto Sinaga, Gita Minawarisa Ginting, M. Hendra S Ginting, and Rosdanelli Hasibuan. "PENGARUH PENAMBAHAN GLISEROLTERHADAP SIFAT KEKUATAN TARIK DAN PEMANJANGAN SAAT PUTUS BIOPLASTIK DARI PATI UMBI TALAS." Jurnal Teknik Kimia USU 3, no. 2 (July 2, 2014): 19–24. http://dx.doi.org/10.32734/jtk.v3i2.1608.
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Bioplastics are a type of plastic made from renewable biomass sources, such as vegetable oil, corn starch, pea starch, and microbiota. Starch from tubers of talas (Colocasia esculenta) as a potential raw material for bioplastics by using glycerol as plastizicer. The purposes of the research are to know effect of adding glycerol to the properties of tensile strength and elongation at break bioplastic from starch taro tubers. In this research, the manufacture of bioplastics using casting methode with variations of starch solution (0,2 w/v, 0,3 w/v, and 0,4 w/v). The next additions to vary the volume of glycerol (1 % v, 2 % v, and 3 % v) and heating temperature of gelatin formation (60oC, 70oC, and 80oC). The results showed that bioplastics made from taro tuber starch has gelatinization temperature of 70oC. The addition of glycerol volume effect value of tensile strength and elongation at break of bioplastics. Increasing volume of glycerol will decrease tensile strength but increase elongation at break value. The best of bioplastics in this research is a variation of starch bioplastic 0,3 w/v, addition of 1 % v glycerol at a temperature of 70°C with a value of tensile strength is 18,4992 MPa and elongation at break value is 2,1290%.
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Listyarini, Risnita Vicky, Puspita Ratna Susilawati, Esther Natalia Nukung, and Maria Anastasia Toyo Yua. "Bioplastic from Pectin of Dragon Fruit (Hylocereus polyrhizus) Peel." Jurnal Kimia Sains dan Aplikasi 23, no. 6 (May 31, 2020): 203–8. http://dx.doi.org/10.14710/jksa.23.6.203-208.
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Plastic derived from petroleum is challenging to degrade and pollute the environment. There are alternatives to making biodegradable plastics to reduce the adverse effects of plastics on the environment. This study aims to utilize dragon fruit peel waste as a material for making bioplastic. Plastic characterization was carried out by FTIR analysis to determine the functional groups contained in bioplastics. The results showed that dragon fruit peel could be extracted by HCl solution, and the pectin yield is 11%. Extracted pectin was used to make bioplastics with and without the addition of ethylene glycol. The results showed that moisture content of bioplastics of dragon fruit peel pectin is 5.71–12%, while dragon fruit peel pectin and ethylene glycol are 2.86–5.71%. FT-IR spectra showed that the bioplastics from dragon fruit peels belong to the pectin group, which produces carbonyl absorption at 1636–1628 cm-1 and stretching C-O stretch at 1098–1101 cm‑1.
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Agwamba, E. C. "Comparative study of sucrose plasticised bioplastic derivatives with selected petro-plastics." Bayero Journal of Pure and Applied Sciences 12, no. 1 (April 16, 2020): 386–94. http://dx.doi.org/10.4314/bajopas.v12i1.58s.
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The major setback with most bioplastics is their inherent inability to compete with Petro-plastics in terms of high production cost, and there poor mechanical properties like low tensile strength and percentage extension. This study explore the availability and affordability of mango starch as raw material for bioplastic production and compared some of its mechanical properties with High density Polyethylene (HDPE), Low density polyethylene (LDPE), polyvinyl chloride (PVC), and Polyurethane (PU). Mango starch was used to synthesize bioplastic derivatives, with variable levels of sucrose as plasticiser, aqueous HCl concentration and Carboxymethyl cellulose (CMC) as additive and the mechanical properties of the derived biofilms was measured and compared with the selected Petro-plastics films. It was observed that B1 thermoplastic derivatives have the higher young modulus of 5.658 GPa than that obtained for PVC (4.682 GPa), and PU (3.771 GPa) but show no significant difference and significantly higher than that of HDPE (0.049 GPa), and LDPE (0.063 GPa) (p < 0.05). B2 and B3 indicated a young modulus that is significantly lower than PU and PVC, but showed a young modulus that is higher than LDPE and HDPE with no significant difference (p < 0.05). The FTIR spectra indicate that hydrogen bond was formed in the bulk matrix of the bioplastic derivatives at a band region of 3600 -600 cm-1 wavenumber with broad discrete peaks.
Keywords: Petro-plastics; Bioplastics; Mechanical Properties; Plasticization; Mango Starch
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García, N. Anes, F. Blanco Álvarez, and A. L. Marqués Sierra. "Circular Economy in the Manufacture of Bioplastics: From Sewage Sludge to Plastic Bottle." Proceedings 2, no. 23 (November 26, 2018): 1425. http://dx.doi.org/10.3390/proceedings2231425.
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The main objective of this study is the potential evaluation of obtaining bioplastics through biodegradable polyesters synthesized by bacteria, present in the anaerobic treatment of urban and industrial wastewater, which have a series of characteristics to consider as their processing as material bioplastic In Asturias, more than 70,000 tons of sludge are produced and, by applying circular economy criteria and technologies for the production of bioplastics from wastewater, a synergy could be obtained that would allow the reuse of sludge by valorization as raw material. to produce bioplastics. This valorization can be carried out mainly through the combination of two technologies, on the one hand, anaerobic fermentation to produce volatile fatty acids and on the other the generation of bacterial populations that produce Polyhydroxyalkanoates (PHA’s). The PHAs are obtained from the microorganisms present in the sludge generated in the wastewater treatment process.
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Adamcová, Dana, Jakub Elbl, Jan Zloch, Magdalena Daria Vaverková, Antonín Kintl, David Juřička, Jan Hladký, and Martin Brtnický. "Study on the (bio)degradation Process of Bioplastic Materials under Industrial Composting Conditions." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, no. 3 (2017): 791–98. http://dx.doi.org/10.11118/actaun201765030791.
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The objective of this study was to determine the biodegradability of bioplastic materials – sponge cloths – available on the European market. They are labeled as 100 % biodegradable but not certified as compostable. The test was carried out in real composting environment. The project duration was 12 weeks. The emphasis was put on discovering whether the sponge cloths are biodegradable or not. Based on the results, it can be concluded that sponge cloths have decomposed completely (sample C and sample D). Samples A have decomposed but exhibited slower degradation rate. Samples B exhibited the higher degradation rate. The main conclusion from this study is that biodegradation of bioplastics materials strongly depends on both, the environment where they are placed and the chemical nature of the material.
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Sari, Nofita, Maudy Mairisya, Riska Kurniasari, and Sari Purnavita. "Bioplastik Berbasis Galaktomanan Hasil Ekstraski Ampas Kelapa Dengan Campuran Polyvinyl Alkohol." METANA 15, no. 2 (November 27, 2019): 71–78. http://dx.doi.org/10.14710/metana.v15i2.24892.
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Penelitian ini bertujuan untuk mendapatkan kondisi optimum yang meliputi luas permukaan dan jumlah solven pada proses ekstraksi galaktomanan dari ampas kelapa terhadap yield yang dihasilkan dan mendapatkan kondisi optimumpada proses pembuatan bioplastik yang meliputi jumlah sorbitol dan waktu pencampuran terhadap karakteristik bioplastik yang meliputi ketebalan, ketahanan air, kuat tarik, elongasi, waktu degradasi dan morfologi.Bioplastik merupakan plastik yang dapat diuraikan oleh mikroorganisme dalam waktu yang singkat, sehingga lebih ramah lingkungan dibandingkan plastik konvensional.Bioplastik terbuat dari bahan polimer alami seperti pati, selulosa atau lemak.Penelitian pembuatan bioplastik ini berbasis dari galaktomanan ampas kelapa dan PVA. Galaktomanan merupakan polimer alami yang memiliki kemampuan membuat lapisan film.Polyvinyl alkohol (PVA) merupakan polimer sintetik namun memiliki sifat mudah larut dalam air sehingga dapat digunakan sebagai bahan campuran pembuatan bioplastik. PVA juga mampu meningkatkan elastisitas dan kuat tarik bioplastik. Penelitian ini menghasilkan bioplastik dengan ketebalan terbaik 0,18 mm dan prosentase ketahanan air tertinggi 74,76%. Tensile strength bioplastik terbaik dengan nilai 7,55 MPa, sedangkan prosentase elongation terbaik 46,81%. Bioplastik pada penelitian ini memiliki titik leleh (MP) 120°C dan terdegradasi sempurna dalam 24 jam. This study aims to obtain optimum conditions which are including surface area and amount of solvent in the galactomannan extraction process from coconut pulp to the produced yield and obtaining the optimum conditions in the bioplastic manufacturing process which are included the amount of sorbitol and mixing time of the bioplastic characteristics including thickness, water resistance, tensile strength, elongation, degradation time and morphology. Bioplastics are plastics that can be decomposed by microorganisms in a short time, making them more environmentally friendly than conventional plastics bioplastics made from natural polymer materials such as starch, cellulose, or fat. The research in making bioplastics was based on galactomannan coconut pulp and PVA. Galactomannan is a natural polymer that can make film layers. Polyvinyl alcohol (PVA) is a synthetic polymer but has properties that are soluble in water so it can be used as a mixture of bioplastics. PVA is also able to increase the elasticity and strong pull of bioplastics. This study produced bioplastics with the best thickness of 0,18mm and the highest percentage of water resistance in 74,76%. The best bioplastic tensile strength at 7,55 MPa value, while the best percentage of elongation 46,81%. Bioplastics in this study had a melting point (MP) of 120 ° C and were degraded correctly in 24 hours.
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Nasir, Nur Nadia, and Siti Amira Othman. "Application of Bioplastic Packaging In Industry." Journal of Advanced Research in Materials Science 74, no. 1 (November 28, 2020): 19–28. http://dx.doi.org/10.37934/arms.74.1.1928.
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Current conventional plastic is favored due to its affordable price and desirable properties however the major drawback is its non biodegradable properties which lead to environmental pollution. Taking into consideration the issues of non renewable resources, there is where bioplastic were introduce. According to European bioplastic, bioplastic is defined as material produced from biobased, biodegradable or both properties. Bioplastic is coming from renewable resources which can be used to reduce the plastic waste problem. Recently, the existence of bioplastic became one of the promising technologies in various industries especially in packaging industry. This review paper is highlight include the bioplastic packaging application (food and beverages, healthcare, cosmetic and personal care and consumer packaged goods) in industry for 4 types of bioplastic (PLA, PCL, Starch based and PHAs).
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Klein, Florian Felix, Agnes Emberger-Klein, and Klaus Menrad. "Indicators of Consumers’ Preferences for Bio-Based Apparel: A German Case Study with a Functional Rain Jacket Made of Bioplastic." Sustainability 12, no. 2 (January 16, 2020): 675. http://dx.doi.org/10.3390/su12020675.
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Plastic pollution is an increasing global problem, however, replacing fossil resources with bioplastics made from renewable resources could be part of the solution. Currently, no research analyzing the influencing factors for consumers’ preferences for functional apparel made of bioplastic material could be found. To close this gap in research, we conducted this study with a sample of 1673 participants that were representative of the German population aged 16 years and above. We conducted a choice based conjoint analysis for a bio-based rain jacket and measured psychographic indicators that were used as covariates in the statistical estimation of participants’ preferences for the rain jacket. Our results show the high level of importance of prior product experience, Green Consumer Values and attitude towards bioplastic for selecting bio-based apparel, and thus give first insights related to the influence of psychographic characteristics of consumers when selecting bio-based apparel.
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Rusdi, Suharno, Ridwan A. Destian, Fitratur Rahman, and Achmad Chafidz. "Preparation and Characterization of Bio-Degradable Plastic from Banana Kepok Peel Waste." Materials Science Forum 981 (March 2020): 132–37. http://dx.doi.org/10.4028/www.scientific.net/msf.981.132.
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Everyday human life cannot be separated from plastic. Almost all objects that are around us are made of plastic. In general, plastics are non-biodegradable, causing environmental problems caused by the increased volume of plastic waste. One way to overcome this is by recycling existing plastic waste. But the use of recycled plastics is very limited and considered inefficient because the process is more difficult and processing is more expensive than buying new plastic raw materials. Another alternative is to use bioplastics or biodegradable plastic. This plastic is more environmentally friendly because it is biodegradable or easily decomposed by microorganisms. Basically, bioplastics can be made from vegetable starches. In this study we will use starch extracted from banana peel waste as a base material for making bioplastics. In this research, glycerin which is used as a bioplastic adhesive or plasticizer will be used. Whether or not bioplastics depend on the resistance to water, the attractiveness of the bioplastics, the ability of the plastic to be decomposed by microorganisms. From this research, it is expected to produce bioplastics with high water resistance and high tensile strength and easy to decompose microorganisms.
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Safin, Ruslan, Nour Galyavetdinov, Regina Salimgaraeva, Guzel Ilalova, and Ksenia Saerova. "Use of Filled Bioplastics in Construction." E3S Web of Conferences 274 (2021): 04013. http://dx.doi.org/10.1051/e3sconf/202127404013.
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Polymers and associated composite materials play an increasingly prominent role among structural materials. The relevance of the use of bioplastics as an alternative to synthetic polymers increases year by year. In this regard, the paper describes the production of a ligno-filled polymer material based on polyhydroxyalkanoates to be used in the production of building materials. The studies allowed us to produce the material from wood hydrolyzates. The highest yield of reducing substances in course of pine sawdust hydrolysis with 4% sulfurous acid occurred at 170°C. To obtain a biopolymer in liquid wood hydrolyzate medium, the Cupriavidus necator strain was used, which after 50 hours of cultivation gave a biopolymer yield of up to 15 g/l. The studies of the strength characteristics of the composite based on the obtained bioplastic and dried solid wood hydrolysates allowed us to produce a balanced composition for subsequent use in construction.
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Kanyukov, V. N., A. A. Stadnikov, O. M. Trubina, and O. M. Yakhina. "Nanostructured bioplastic material for traumatic corneal injuries." Vestnik oftal'mologii 131, no. 1 (2015): 43. http://dx.doi.org/10.17116/oftalma2015131143-48.
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Shevlyuk, N. N., I. Z. Gatiatullin, and A. A. Stadnikov. "Features of Reparative Histogenesis in Bioplastic Material Application." Journal of Anatomy and Histopathology 9, no. 1 (April 1, 2020): 86–93. http://dx.doi.org/10.18499/2225-7357-2020-9-1-86-93.
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In modern medicine, various biocompatible materials (based on biodegradable natural biopolymers – collagen, hyaluronic acid, chitin, chitosan, etc.) are widely used, primarily for the purposes of reconstructive and plastic surgery. The development of these materials and their introduction into clinical practice is an extremely urgent task of regenerative biology and medicine. One of the most important properties of bioplastic materials is their ability to undergo biodegradation and gradually be replaced by the recipient's proper tissues. In this case, the intermediate and final metabolic products of these materials should be included in the natural biochemical cycles of the body without their systemic and local accumulation, and degradation products should lack the toxicity effect. Bioplastic materials can also serve as carriers of biologically active substances, for example, growth factors and morphogenetic proteins, antibacterial substances, as well as pharmacological agents that affect the rate of regeneration. The designed three-dimensional porous structure of new materials, morphologically similar to the structure of body tissues, allows them to ensure the migration of fibroblastic cells, the growth of blood vessels in the area occupied by this material, that is, they can serve as a skeleton (matrix), a basis for histio- and organotypic regenerates developing in various organs. Many bioplastic materials have the ability to enhance angiogenesis, and are also able to activate proliferation and cytodifferentiation of epithelial cells and fibroblast differentiation cells of the connective tissue, which leads to the formation of young connective tissue in the transplant zone and epithelization of organ damage. Thus, biocompatible and biodegradable polymers are able to stimulate reparative histogenesis, providing optimal conditions for the formation of histio- and organotypic regenerates of various tissues and organs.
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Alonso-González, María, Manuel Felix, Antonio Guerrero, and Alberto Romero. "Effects of Mould Temperature on Rice Bran-Based Bioplastics Obtained by Injection Moulding." Polymers 13, no. 3 (January 27, 2021): 398. http://dx.doi.org/10.3390/polym13030398.
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The high production rate of conventional plastics and their low degradability result in severe environmental problems, such as plastic accumulation and some other related consequences. One alternative to these materials is the production of oil-free bioplastics, based on wastes from the agro-food industry, which are biodegradable. Not only is rice bran an abundant and non-expensive waste, but it is also attractive due to its high protein and starch content, which can be used as macromolecules for bioplastic production. The objective of this work was to develop rice-bran-based bioplastics by injection moulding. For this purpose, this raw material was mixed with a plasticizer (glycerol), analysing the effect of three mould temperatures (100, 130 and 150 °C) on the mechanical and microstructural properties and water absorption capacity of the final matrices. The obtained results show that rice bran is a suitable raw material for the development of bioplastics whose properties are strongly influenced by the processing conditions. Thus, higher temperatures produce stiffer and more resistant materials (Young’s modulus improves from 12 ± 7 MPa to 23 ± 6 and 33 ± 6 MPa when the temperature increases from 100 to 130 and 150 °C, respectively); however, these materials are highly compact and, consequently, their water absorption capacity diminishes. On the other hand, although lower mould temperatures lead to materials with lower mechanical properties, they exhibit a less compact structure, resulting in enhanced water absorption capacity.
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Sabathini, H. A., L. Windiani, Dianursanti, and M. Gozan. "Mechanical Physicial Properties of Chlorella-PVA based Bioplastic with Ultrasonic Homogenizer." E3S Web of Conferences 67 (2018): 03046. http://dx.doi.org/10.1051/e3sconf/20186703046.
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Public demand for environmentally friendly packaging material especially in food industry is increasing. One of the many solutions invented for this problem is the development of biodegradable plastic. Biopolymer can be mixed with synthetic polymer to produce biodegradable films with properties suitable for varying applications. This study examines the mechanical physical properties of Chlorellapolyvinyl alcohol (PVA) based bioplastic by pre-treating the Chlorella powder with ultrasonic homogenizer. Variation of Chlorella concentration and temperature was done during the ultrasonication. Before being used as bioplastic base, pre-treated Chlorella with different concentrations were equated. Bioplastic films were then prepared with the pre-treated Chlorella powder and PVA using solvent casting method. Mechanical physical properties of the pre-treated Chlorella films then compared with non pretreated Chlorella film as control. Mechanical test shows the increasing of bioplastic tensile strength up to 15,3 kgf/cm2 and elongation percentage up to 99,63%. Field emission scanning electron microscopy test shows the increasing of bioplastic homogenity and smoother surface with less pores. Fourier transform infrared analysis shows that there are crosslinkages between Chlorella and PVA. Thermal analysis by thermogravimetric analysis shows ultrasonication creates a more compact linkages. The performance of the film could suggest its potential as an eco-sustainable food packaging plastic material.
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Nishida, Masahiro, Yuma Takeuchi, Rie Natsume, Norio Fukuda, and Hiroaki Ito. "Effects of Silica Nanoparticle Addition on Dynamic Properties of Poly(lactic acid)." Applied Mechanics and Materials 782 (August 2015): 83–87. http://dx.doi.org/10.4028/www.scientific.net/amm.782.83.
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Bioplastics are plastics derived from renewable sources such as corn starch or microbe and biodegradable plastics are plastics that are capable of being decomposed by bacteria or other living organisms. Poly (lactic acid) (PLA) is a typical and biodegradable bioplastic. It has been recognized as a promising alternative material for petroleum-based polymers. In order to increase Young’s modulus, in the present study, silica nanoparticles were added to PLA. The effects of the addition of silica nanoparticles and the surface treatment of nanosilica particles on dynamic properties of nanoparticle added PLA were examined using tensile split Hopkinson pressure bar method and the Izod impact strength tests.
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Kostromina, E. Yu, R. D. Yakupova, and P. S. Eremin. "Creation of a Novel Nanostructured Bioplastic Material for Combustiology." Biotekhnologiya 36, no. 4 (2020): 65–68. http://dx.doi.org/10.21519/0234-2758-2020-36-4-65-68.
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The technique of obtainment of a new bioplastic material based on collagen, elastin and hyaluronic acid is described. The results of a study of the biomaterial structure and properties to assess the prospects for its further use in clinical practice are also presented. To prepare the material samples, collagen, elastin and hyaluronic acid were mixed in predetermined proportions with distilled water, and the resulting biofilm was crosslinked by UV irradiation. A commercial human skin fibroblast cell culture (HDF) was used to assess the biomaterial cytotoxicity and biocompatibility; as a result, it was shown that cytotoxicity is absent in it. The visualization and studies of the biomaterial structure were carried out using light microscopy. The new material was shown to be highly elastic and resilient; it also had a high porosity with a pore diameter of 100-200 um. It was shown that the biomaterial samples were able to maintain physical properties in the culture medium for more than 10 days, while the complete destruction of the matrix was observed 3-4 weeks after the beginning of incubation. Due to its physical properties and structure, and also the capacity of providing effective conditions for good cell proliferation, the created biomaterial can be used as a wound cover in the damaged skin areas. This allows us to consider the new biomaterial promising for clinical practice. cell technologies, tissue-engineered constructs, bioplastic material, collagen, human fibroblasts.
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Jeyasubramanian, K., and R. Balachander. "Starch bioplastic film as an alternative food-packaging material." Journal of Achievements of Materials and Manufacturing Engineering 75, no. 2 (April 1, 2016): 78–84. http://dx.doi.org/10.5604/17348412.1228383.
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Budkevich, L. I., G. V. Mirzoyan, R. B. Gabitov, M. A. Brazol, P. V. Salistyj, Y. V. Chikinev, A. A. Shmyrin, and A. V. Glutkin. "Collost Bioplastic Collagen Material for the Treatment of Burns." Sovremennye tehnologii v medicine 12, no. 1 (February 2020): 92. http://dx.doi.org/10.17691/stm2020.12.1.12.
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Sarasa, Judith, Jose M. Gracia, and Carlos Javierre. "Study of the biodisintegration of a bioplastic material waste." Bioresource Technology 100, no. 15 (August 2009): 3764–68. http://dx.doi.org/10.1016/j.biortech.2008.11.049.
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Luo, Xiaogang, Zengcheng Yu, Yixin Cai, Qiangxian Wu, and Jian Zeng. "Facile Fabrication of Environmentally-Friendly Hydroxyl-Functionalized Multiwalled Carbon Nanotubes/Soy Oil-Based Polyurethane Nanocomposite Bioplastics with Enhanced Mechanical, Thermal, and Electrical Conductivity Properties." Polymers 11, no. 5 (May 1, 2019): 763. http://dx.doi.org/10.3390/polym11050763.
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It is challenging to prepare polyurethane bioplastics from renewable resources in a sustainable world. In this work, polyurethane nanocomposite bioplastics are fabricated by blending up to 80 wt % of soy-based polyol and petrochemical polyol with hydroxyl-functionalized multiwalled carbon nanotubes (MWCNTs-OH). The scanning electron microscope (SEM), transmission electron microscope (TEM), and Fourier transform infrared spectroscopy (FTIR) analyses reveal homogeneous dispersion of the MWCNTs-OH in the matrix, as well as interaction or reaction of MWCNTs-OH with the matrix or polymeric methylene diphenyl diisocyanate (pMDI) in forming the organic–inorganic hybrid bioplastic with a three-dimensional (3D) macromolecule network structure. Mechanical properties and electrical conductivity are remarkably enhanced with the increase of the multiwalled carbon nanotube (MWCNTs) loading. Dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) results show that the bioplastics with MWCNTs-OH have a better thermal stability compared with the bioplastics without MWCNTs-OH. The composition of the nanocomposites, which defines the characteristics of the material and its thermal and electrical conductivity properties, can be precisely controlled by simply varying the concentration of MWCNTs-OH in the polyol mixture solution.
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Onen Cinar, Senem, Zhi Kai Chong, Mehmet Ali Kucuker, Nils Wieczorek, Ugur Cengiz, and Kerstin Kuchta. "Bioplastic Production from Microalgae: A Review." International Journal of Environmental Research and Public Health 17, no. 11 (May 28, 2020): 3842. http://dx.doi.org/10.3390/ijerph17113842.
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Plastic waste production around the world is increasing, which leads to global plastic waste pollution. The need for an innovative solution to reduce this pollution is inevitable. Increased recycling of plastic waste alone is not a comprehensive solution. Furthermore, decreasing fossil-based plastic usage is an important aspect of sustainability. As an alternative to fossil-based plastics in the market, bio-based plastics are gaining in popularity. According to the studies conducted, products with similar performance characteristics can be obtained using biological feedstocks instead of fossil-based sources. In particular, bioplastic production from microalgae is a new opportunity to be explored and further improved. The aim of this study is to determine the current state of bioplastic production technologies from microalgae species and reveal possible optimization opportunities in the process and application areas. Therefore, the species used as resources for bioplastic production, the microalgae cultivation methods and bioplastic material production methods from microalgae were summarized.
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Ginting, M. H. S., R. Hasibuan, M. Lubis, T. P. Sirait, and T. Sidabudar. "Effect of Heating on Tensile Strength and Elongation at Break of Bioplastic from Taro Starch Filled Chitosan (Colocasia esculenta) with Glycerol Plasticizer." Asian Journal of Chemistry 33, no. 10 (2021): 2347–52. http://dx.doi.org/10.14233/ajchem.2021.22878.
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Taro starch is a potential raw material for bioplastics by adding glycerol and chitosan. The casting method is used for making bioplastics with 30%w/v starch solution. Moreover, the variation added volume of glycerol (1%, 2% and 3% v/v), addition of chitosan (1% w/v, 2%w/v and 3%w/v) and pasting temperature was 75 ºC. Taro starch with particle size 100 mesh has 93.55% starch, 17.9% amylose, 75.66% amylopectin. Analysis of plastice properties showed that taro starch has a gelatinization temperature of 74.52 ºC with high peak viscosity 5953.5 cP. FTIR analysis show bands due to presence of O-H, C-H, C=H, C-O-H and C-O. The best of bioplastic in this study was 30% w/v on starch, 1% v/v glycerol and 2% w/v chitosan at 75 ºC produces 42.86% water absorption, 8.297 MPa tensile strength and elongation at break was 45.846%.
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Nováková-Marcinčinová, Ema, Anton Panda, and Ľudmila Nováková-Marcinčinová. "Sophisticated Production from Organic PLA Materials Processed Horizontally by Fused Deposition Modeling Method." Key Engineering Materials 756 (September 2017): 88–95. http://dx.doi.org/10.4028/www.scientific.net/kem.756.88.
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The article focuses on the samples production of organic material PLA-PolyLacticAcid – bioplastic. The main part describes the experimental testing of PolyLacticAcid plastic and sample production by Fused Deposition Modeling, Rapid Prototyping technology. The article presents selected carried out tests of mechanical properties focused mainly on the determination of ultimate tensile strength of two PLA-BIO plastic extruded horizontally along the width produced by FDM method, Rapid Prototyping. The authors of this article present their results of test materials in the form of measurement protocols recorded in software, the measured values in a static tensile test, recorded in tables and shown in work graphs. Based on the results of the two samples produced from PLA biomaterials and compared to determine which PLA – bioplastic is stronger.
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Chumee, J., and P. Khemmakama. "Carboxymethyl Cellulose from Pineapple Peel: Useful Green Bioplastic." Advanced Materials Research 979 (June 2014): 366–69. http://dx.doi.org/10.4028/www.scientific.net/amr.979.366.
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The pineapple peel cellulose can be convert to carboxymethyl cellulose (CMC) by etherification. The pure cellulose from pineapple can be prepared by refluxing of pineapple peel powder with 0.5 M HCl and 1 M NaOH solution at 90°C for 1 h and 2 h, respectively. Then, the solid material was bleached with calcium hypochlorite. The pure cellulose was soaked in mixed solution between isopropyl alcohol and NaOH for 12 h. After that, it was reacted with cholroacetic acid at 55°C for 6 h. The optimum condition for carboxymethylation was cellulose 5 g, cholroacetic acid 13.0 g and 40%w/v NaOH 50 mL. The optimised product had a DS of 0.50 and used as constituent in bioplastic. The application of pineapple peel bioplastic probably is green packaging of dehydrated materials.
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Sitepu, Syah Banu Putra, Bambang Admadi Harsojuwono, and Amna Hartiati. "Pengaruh Campuran dan Rasio Bahan Pembentuk Komposit terhadap Karakteristik Komposit Bioplastik." JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI 9, no. 2 (June 23, 2021): 157. http://dx.doi.org/10.24843/jrma.2021.v09.i02.p01.
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This research aims to determine the effect of the mixture and the ratio of the composites and their interactions to the characteristics of the bioplastic composites and to determine the mix and ratio of the composites that produce the best characteristics of the bioplastic composites. The experimental design of this study used a randomized block design method. Factor I is a mixture of composite materials consisting of maizena-glucomannan, maizena-chitosan, and maizena-carrageenan. The second factor is the ratio of the composite material mixture which consists of 5 levels, namely 100: 0, 75:25, 50:50, 25:75 and 0: 100. The experiment resulted in 15 treatment combinations and were grouped into 2 groups when the process of making bioplastic composites was obtained, so that 30 experimental units were obtained. Data were analyzed for their diversity and continued with Duncan's multiple comparison test. The observed variables which tensile strength, elongation at break, modulus young, swelling, and biodegradation time. The results showed that the mixture and the ratio of the composites forming a very significant effect on tensile strength, elongation at break, elasticity, and swelling. The interaction has a very significant effect on tensile strength, elasticity and swelling and significantly affects the elongation at break of bioplastic composites. Meanwhile, the mixture and the ratio of the ingredients to form the composites had no significant effect on the biodegradation time. Maizena:glucomannan composite with ratio (25:75) produced the best characteristics of bioplastic composites with tensile strength values of 6.99 MPa, elongation at break of 16.5%, elasticity 42.39 MPa, swelling 78.78% and biodegradable time of 7 days. There are 2 variables that have met the standard, namely: elongation at break of bioplastic composites that meet the plastic Standard SNI 7188.7: 2016 and biodegradation time has met the international plastic standard ASTM 5336 and 3 variables that do not meet the standards, namely: Tensile strength (6,99 MPa) and elasticity (42,39 MPa) do not meet the Plastic Standard SNI 7188.7: 2016 and swelling (39,1%) does not meet international plastic standards (EN 317).
Keywords : bioplastic composites, maizena, glucomannan, chitosan, carrageenan
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Ginting, M. H. S., R. Hasibuan, M. Lubis, F. Alanjani, F. A. Winoto, and R. C. Siregar. "Supply of avocado starch (Persea americana mill) as bioplastic material." IOP Conference Series: Materials Science and Engineering 309 (February 2018): 012098. http://dx.doi.org/10.1088/1757-899x/309/1/012098.
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Petchimuthu, Priya. "Production of Cost-Effective Biodegradable Straw." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 31, 2021): 3710–13. http://dx.doi.org/10.22214/ijraset.2021.37096.
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Every year 15,342 tons of plastic waste have been produced. Among these plastic wastes, the big junk of the waste is plastic straws which are used for just a few minutes and thrown away. To prevent the plastic pollution, we need to create proper awareness. In order to avoid the pollution by plastic straws, we planned to produce a Biodegradable straw which is chemical free and an eco-friendly product. The plastic straws are harmful to human health. Our Present study focuses to produce a Biodegradable straw using eco-friendly ingredients like banana peel, cinnamon, corn starch, honey, thyme leaves and vinegar. To replace these plastic straws the bioplastic film was naturally prepared from banana peel with some chemical free ingredients. According to the study of bioplastic, banana peel has the ability to produce bioplastic film which is best alternative of plastic use. Also, vinegar can degrade the starch. And study about cinnamon shows that cinnamon can prolong the shelf life of the bioplastic film and it banishes the smell of vinegar. The flexibility of the bioplastic film can be attained by the thyme leaves in addition it also has an antifungal property. Honey acts as a plasticizer to make the material softer and more flexible and also it has antimicrobial activity. An application of heat brings polymerization from these mixtures. Thus, the bio plastic replaces the petroleum-based plastic with something made from food waste or agricultural by-products.
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Aylamazyan, Edvard Karpovich, Victoriya Yuryevna Andreeva, Tatiana Ulyanovna Kuzminykh, Dmitriy Igorevich Sokolov, Sergey Alekseevich Selkov, Tatyana Georgievna Tral´, Gulrukhsor Haybulloevna Tolibova, and Anastasia Alexandrovna Yakovleva. "The optimization of reparative processes after cesarean section (clinical-experimental research)." Journal of obstetrics and women's diseases 64, no. 4 (September 15, 2015): 4–12. http://dx.doi.org/10.17816/jowd6444-12.
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Development and introduction of materials influenced on reparation process in a myometrium is actual direction of modern obstetrics in connection with the increase of cesarean section rate. One of such preparation is «Collost», it stimulates the processes of neoangio- and myogenesis and excludes the disorderly growth of scars tissue. Aim: To study the influence of bioplastic material «Collost» on the reparation process in myometrium after cesarean section. Objectives: to estimate the morpho-functional state of scar on uterus after cesarean sections depending on implantation of collagen membrane. Material and methods: There were included 13 female rabbits in experimental part of the study. In clinical part of the study there were included 20 pregnant woman with intraoperative application of «Collost» (main group), 30 pregnant woman without «Collost» implantation (comparison group) and 10 pregnant with vaginal delivery (control group). Results: histological, immunohistological and immunological findings of postoperative uterine scars of female rabbits showed significant differences of expressions of miosin, vascular endothelial growth factor and collagen I type. The myometrium was significantly thicker in the area of uterine scar in main group (with collagen membrane implantation) than in comparison group. Conclusions: bioplastic material «Collost» leads to full formation of muscular wall and vascular ture in the area of postoperative uterine scar.
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González, María E., Carolina Lunati, Mirtha Floccari, and Elda M. Salmoral. "Effects of Sterilizing Agents on the Biodegradation of a Bioplastic Material." International Journal of Polymeric Materials 58, no. 3 (January 28, 2009): 129–40. http://dx.doi.org/10.1080/00914030802583726.
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Singha, Shuvra, Muhamed Mahmutovic, Carlos Zamalloa, Lutgart Stragier, Willy Verstraete, Anna J. Svagan, Oisik Das, and Mikael S. Hedenqvist. "Novel Bioplastic from Single Cell Protein as a Potential Packaging Material." ACS Sustainable Chemistry & Engineering 9, no. 18 (April 27, 2021): 6337–46. http://dx.doi.org/10.1021/acssuschemeng.1c00355.
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Langit, Novita Thea Puspita, Ali Ridlo, and Subagiyo Subagiyo. "Pengaruh Konsentrasi Alginat Dengan Gliserol Sebagai Plasticizer Terhadap Sifat Fisik Dan Mekanik Bioplastik." Journal of Marine Research 8, no. 3 (August 29, 2019): 314–21. http://dx.doi.org/10.14710/jmr.v8i3.25256.
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Munculnya permasalahan lingkungan akibat plastik sintetik mendorong perlunya penelitian bahan kemasan mudah terurai (bioplastik). Salah satu bahan yang tersedia di alam dan berpotensi sebagai pembentuk bioplastik adalah alginat karena mampu membentuk gel. Bioplastik dari alginat memiliki sifat yang tidak fleksibel sehingga perlu ditambah gliserol sebagai plasticizer. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi alginat dari Sargassum sp. terhadap sifat fisik dan mekanik bioplastik dengan penambahan gliserol dan CaCl2. Materi penelitian ini adalah alginat hasil ekstraksi Sargassum sp. yang diambil dari Perairan Pantai Sundak, Gunung Kidul. Penelitian ini menggunakan metode eksperimental laboratoris yang terdiri dari empat perlakuan konsentrasi alginat (0,5%, 1%, 3% dan 5%) dengan tiga pengulangan. Sifat bioplastik yang diuji meliputi sifat fisik (ketebalan, ketahanan air, kehilangan berat) dan sifat mekanik (kuat tarik dan elongasi). Data yang diperoleh dianalisis menggunakan analisis sidik ragam (ANOVA). Hasil penelitian menunjukkan semakin tinggi konsentrasi alginat akan meningkatkan ketebalan, ketahanan air dan kuat tarik bioplastik namun menurunkan elongasi dan kehilangan berat bioplastik. Konsentrasi alginat berpengaruh terhadap sifat fisik (ketebalan, ketahanan air, kehilangan berat) dan sifat mekanik (kuat tarik kecuali elongasi), konsentrasi alginat terbaik yang memenuhi Japanese Industrial Standard dan standar SNI 7188.7:2016 adalah 0,5% The emergence of environmental problems due to synthetic plastics has led to the need to research biodegradable packaging materials (bioplastics). One of the ingredients available in nature and has the potential to form bioplastics is alginate because it is capable of forming gel. Bioplastic from alginate has inflexible properties so it needs to be added by glycerol as a plasticizer. This research aims to determine the effect of alginate concentration from Sargassum sp. on the physical and mechanical properties of bioplastics with the addition of glycerol and CaCl2. The method of this research is alginate from Sargassum sp. taken from Sundak Beach Waters, Gunung Kidul. This research used a laboratory experimental method consisting of four treatments of alginate concentration (0.5%, 1%, 3% and 5%) with three repetitions. The properties of the bioplastics tested included physical properties (thickness, water resistance, weight loss) and mechanical properties (tensile strength and elongation). Data obtained were analyzed using variance analysis (ANOVA). The results showed that the higher the concentration of alginate would increased thickness, water resistance and tensile strength of bioplastics but decreased the elongation and weight loss of bioplastics. The alginate concentration affects the physical properties (thickness, water resistance, weight loss) and mechanical properties (tensile strength and except elongation), the best alginate concentrations that meet the Japanese Industrial Standard and SNI 7188.7: 2016 are 0.5%
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Stetsenko, B. G., V. A. Diveev, M. V. Siryakov, G. G. Ivanov, and K. P. Koroleva. "The experience of using histoequivalent-bioplastic material of hyaluronic acid in surgery." Wounds and wound infections. The prof. B.M. Kostyuchenok journal 4, no. 3 (March 23, 2019): 30–35. http://dx.doi.org/10.25199/2408-9613-2017-4-2-30-35.
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The article presents the experience of using in clinic practice the histoequivalent-bioplastic material of hyaluronic acid (G-DERM®, Russia) by the complex treatment of a patient with diabetic foot syndrome. Objectification of the wound healing process and the dynamics of morphological changes in the wound was based on computer planimetry in the Wound Analyzer® program (Lohmann & Rauscher, Austria), photo-documenting and calculating the reduction wound area percentage and it’s healing rate.
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Zulisma Anita, Fauzi Akbar, and Hamidah Harahap. "PENGARUH PENAMBAHAN GLISEROL TERHADAP SIFAT MEKANIK FILM PLASTIK BIODEGRADASI DARI PATI KULIT SINGKONG." Jurnal Teknik Kimia USU 2, no. 2 (June 19, 2013): 37–41. http://dx.doi.org/10.32734/jtk.v2i2.1437.
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Biodegradable plastics are plastics that will decompose in nature with the help of microorganisms. The use of starch as the main material of plastic manufacturing has great potential because in Indonesia there are different starch crops. To obtain bioplastics, starch is added to the glycerol, in order to obtain a more flexible plastic and elastic. This study reviews the use of cassava starch and glycerol skin asa base for the manufacture of biodegradable plastics. The purpose of this research is to know the effect of adding glycerol in the process of making biodegradable plastic from cassava peel waste. In this research, the study of bioplastic manufacturing mixed starch with glycerol as a plastisizer to do variations of the glycerol. The results obtained in the form of a thin sheet of plastic (plastic film) that have been tested mechanical properties obtained optimum data variables namely cassava starch composition 3,5%, and the power og pull 0,02122Mpa, and plastic film storage time for 14 days.