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Journal articles on the topic 'Thermoplastic starch'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Usman, N., L. G. Hassan, M. N. Almustapha, M. Achor, and E. C. Agwamba. "Preparation and Characterization of Thermoplastic Cassava and Sweet Potato Starches." Nigerian Journal of Basic and Applied Sciences 30, no. 2 (2023): 118–25. http://dx.doi.org/10.4314/njbas.v30i2.16.

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Thermoplastics starches are plastics made from renewable resources like plants that are fully bio-based and biodegradable. The aim of this study was to produce and characterize thermoplastic using starches extracted from cassava and sweet potato. The effect of variable amounts of glycerol used as plasticizer and acetic acid used for hydrolysis of the starch polymer were investigated. The intermolecular interaction between the starch and glycerol was ascertained using FT-IR spectroscopy. The biodegradability test conducted on both cassava thermoplastic starch (TPSc) and potato thermoplastic sta

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2

Xie, Fengwei, Paul Luckman, John Milne, et al. "Thermoplastic Starch." Journal of Renewable Materials 2, no. 2 (2014): 95–106. http://dx.doi.org/10.7569/jrm.2014.634104.

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3

Stepto, R. F. T. "Thermoplastic starch." Macromolecular Symposia 152, no. 1 (2000): 73–82. http://dx.doi.org/10.1002/1521-3900(200003)152:1<73::aid-masy73>3.0.co;2-1.

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4

Stepto, R. F. T. "Thermoplastic Starch." Macromolecular Symposia 279, no. 1 (2009): 163–68. http://dx.doi.org/10.1002/masy.200950525.

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5

Yeaprayoon, Siraprapha, Hataithip Sanpromma, Nattapohn Sukkasem, and Supatra Pratumshat. "PREPARATION AND CHARACTERIZATION OF THERMOPLASTIC STARCH FROM PINEAPPLE STEM: EFFECT OF PLASTICIZERS." Suranaree Journal of Science and Technology 30, no. 3 (2023): 030113(1–7). http://dx.doi.org/10.55766/sujst-2023-03-e02056.

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This work studied the effect of types and amount of plasticizers on thermoplastic starch properties from pineapple stem with good mechanical properties, water resistant and biodegradable. Three plasticizers were studied: erythritol, xylitol, and sorbitol. Thermoplastic starch film was prepared by solution casting. When glycerol was used as co plasticizer, it could improve the flexibility of thermoplastic starch. Thermal properties of thermoplastic starch film by DSC showed that when the plasticizers were added, the heat of fusion (DHm) was reduced. Water absorption of thermoplastic starch film

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6

Yu, Jiugao, Jianping Gao, and Tong Lin. "Biodegradable thermoplastic starch." Journal of Applied Polymer Science 62, no. 9 (1996): 1491–94. http://dx.doi.org/10.1002/(sici)1097-4628(19961128)62:9<1491::aid-app19>3.0.co;2-1.

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7

Tao, Jie, Yi Hua Cui, Xue Lai Ji, Li Ma, and Ding Zhu Wo. "Properties of Biodegradable Thermoplastic Starch/Ethyl Cellulose Composite." Key Engineering Materials 334-335 (March 2007): 345–48. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.345.

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Since thermoplastic starch can not be used directly due to its poor properties in processing, thermoplastic starch /ethyl cellulose composite is prepared by blending method in this work. The effect of the composition and the structure on the properties of the composite is studied. The results indicate that glycerin is a better plasticizer in the processing of the thermoplastic starch compared to glycol. The mechanical properties of the thermoplastic starch are improved obviously after blending with ethyl cellulose. The composite exhibits comprehensive properties as the content of the ethyl cel

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8

Nossa, Tamires S., Naceur M. Belgacem, Alessandro Gandini, and Antonio JF Carvalho. "Thermoreversible crosslinked thermoplastic starch." Polymer International 64, no. 10 (2015): 1366–72. http://dx.doi.org/10.1002/pi.4925.

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9

Angellier, Hélène, Sonia Molina-Boisseau, Patrice Dole, and Alain Dufresne. "Thermoplastic Starch−Waxy Maize Starch Nanocrystals Nanocomposites." Biomacromolecules 7, no. 2 (2006): 531–39. http://dx.doi.org/10.1021/bm050797s.

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10

Tang, Hao, Hai Tian Jiang, Bin Guo та Pan Xin Li. "Effect of Co⁶⁰γ Ray Irradiation on Thermoplastic Corn Starch Plastic". Advanced Materials Research 772 (вересень 2013): 34–37. http://dx.doi.org/10.4028/www.scientific.net/amr.772.34.

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Corn starch was irradiated by 60Coγ ray, and then the thermoplastic starch plastic (TPS) was prepared by adding glycerol. Microstructure, thermal and mechanical properties of the corn starch and starch plastic were studied in details by FTIR, DSC and SEM. Results showed that the starch macromolecular structure was damaged by irradiation, and with increased irradiation time, the temperature of melt endothermic peak and tensile strength decreased, elongation at break increases for starch plastic, the thermoplastic property of starch was enhanced obviously.

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11

de Vilhena, Mailson Batista, Rochelle Moraes Matos, Gilberto Sérgio da Silva Ramos Junior, et al. "Influence of Glycerol and SISAL Microfiber Contents on the Thermal and Tensile Properties of Thermoplastic Starch Composites." Polymers 15, no. 20 (2023): 4141. http://dx.doi.org/10.3390/polym15204141.

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The increasing use of petroleum plastics has caused environmental damage due to the degradation time of these materials. An alternative to petroleum plastics could be thermoplastic starch (TPS). However, thermoplastic starch does not exhibit satisfactory tensile properties. The mechanical properties of thermoplastic starch can be improved by adding sisal microfibers. Thus, the objective of this study was to evaluate the influence of different levels of glycerol and sisal microfibers on the thermal and tensile properties of thermoplastic corn starch composites. The microfibers were obtained via

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12

Paiva, Diana, André Pereira, Ana Pires, Jorge Martins, Luísa Carvalho, and Fernão Magalhães. "Reinforcement of Thermoplastic Corn Starch with Crosslinked Starch/Chitosan Microparticles." Polymers 10, no. 9 (2018): 985. http://dx.doi.org/10.3390/polym10090985.

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Microparticles of corn starch and chitosan crosslinked with glutaraldehyde, produced by the solvent exchange technique, are studied as reinforcement fillers for thermoplastic corn starch plasticized with glycerol. The presence of 10% w/w chitosan in the microparticles is shown to be essential to guaranteeing effective crosslinking, as demonstrated by water solubility assays. Crosslinked chitosan forms an interpenetrating polymer network with starch chains, producing microparticles with a very low solubility. The thermal stability of the microparticles is in agreement with their polysaccharide

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13

Turdikulov, I. H., M. Q. Saidmuhammedova, and A. A. Atakhanov. "Study of structure and properties of biodegradable composite films based on thermoplastic starch." E3S Web of Conferences 401 (2023): 03058. http://dx.doi.org/10.1051/e3sconf/202340103058.

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The increasing use of plastic products is causing pollution of nature with micro plastics, plastic waste and harmful substances. In this work, the possibility of obtaining thermoplastic starch was studied; its structure and properties were investigated. The biodegradable compositions based on polyethylene-starch and polyethylene-thermoplastic starches were obtained, in which starch was used as a filler in the polyethylene matrix. Comparative studies of composites properties, such as optical, physic-mechanical, rheological and biodegradability were carried out. The polyethylene-thermoplastic st

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14

Yoo, Seunghyun, Seungho Lee, Sung-Won Kang, and Kwang-Ho Ahn. "Upcycling waste tempura flake-derived starch powder as an environment-friendly polymer matrix filler for thermoplastic starch compounds." BioResources 19, no. 1 (2024): 1394–409. http://dx.doi.org/10.15376/biores.19.1.1394-1409.

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Waste tempura flakes collected from local restaurants were upcycled to be utilized as a polymer filler material. The oil fraction in collected waste tempura flakes were extracted two times via centrifugal solid-liquid separation and organic solvent extraction. Then, oil-extracted residual starch was freeze-milled to produce fine powders. Waste tempura flake-derived starch powder was substituted with 1%, 3%, and 5% (wt%) of virgin starch powder to produce thermoplastic starch. Composition, X-ray diffraction, and Fourier transform infrared analyses showed that the mixture was successfully therma

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15

Liu, Peng, Fang Yi Li, Jian Feng Li, Kai Kai Guan, and Gang Li. "Applications of Infrared Spectrometry in Molecular Groups Analysis of Plasticized Starch." Advanced Materials Research 816-817 (September 2013): 1278–81. http://dx.doi.org/10.4028/www.scientific.net/amr.816-817.1278.

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In order to study the recrystallization of the thermoplastic starch, this paper obtained the IR spectra of starch respectively plasticized by urea, glycerin and glycol. By analytical solutions spectra of vibration frequency of molecular groups, the paper studied the destructive effect of starch crystal structure, and plasticizer to form new hydrogen bonds with starch by hydroxyl group bonded. Excessive plasticizer was not suggested. When the ratio of starch and urea was 102, the thermoplastic starch was excellent in thermoplasticity and hot-workability.

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16

Hossen Beg, Md Dalour, Shaharuddin Bin Kormin, Mohd Bijarimi, and Haydar U. Zaman. "Effects of different starch types on the physico-mechanical and morphological properties of low density polyethylene composites." Journal of Polymer Engineering 35, no. 8 (2015): 793–804. http://dx.doi.org/10.1515/polyeng-2013-0276.

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Abstract The aim of this research is to investigate the effects of different thermoplastic starches and starch contents on the physico-mechanical and morphological properties of new polymeric-based composites from low density polyethylene (LDPE) and thermoplastic starches. Different compositions of thermoplastic starches (5–40 wt%) and LDPE were melt blended by extrusion and injection molding. The resultant materials were characterized with respect to the following parameters, i.e., melt flow index (MFI), mechanical properties (tensile, flexural, stiffness and impact strength) and water absorp

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17

Amin, Ainatul Mardhiah Mohd, and Suhaila Mohd Sauid. "Biodegradation Characteristics of Tacca leontopetaloides Thermoplastic Films under Controlled Composting Conditions." Key Engineering Materials 797 (March 2019): 289–95. http://dx.doi.org/10.4028/www.scientific.net/kem.797.289.

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This paper represents the biodegradation characterization of thermoplastic starch (TPS) films derived from Tacca leontopetaloides starch; namely thermoplastic starch with glycerol as plasticizer (TPS/GLY), thermoplastic starch with glycerol added with acetic acid (TPS/ACE) and thermoplastic starch with glycerol added with acetic acid with rice husk biochar reinforcement (TPS/BCRH) after aerobic biodegradation under controlled composting conditions. From the experiments, scanning electron micrograph (SEM) of the films showed homogeneous and even surface before the biodegradation but changed int

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18

Chocyk, Dariusz, Bożena Gładyszewska, Anna Ciupak, Tomasz Oniszczuk, Leszek Mościcki, and Andrzej Rejak. "Influence of water addition on mechanical properties of thermoplastic starch foils." International Agrophysics 29, no. 3 (2015): 267–73. http://dx.doi.org/10.1515/intag-2015-0031.

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Abstract The aim of this paper is to study the influence of water on the mechanical properties of thermoplastic starch films. Experimental observations of Young modulus and the breaking force of thermoplastic starch foils with different percentages of polyvinyl alcohol and keratin additives and screw rotation speeds are reported. Thermoplastic starch foils are prepared by the extrusion method with the bowling from potato starch and glycerol as a plasticizer. Young modulus and the breaking force were determined by the random marker method. Measurements of Young modulus and the breaking force of

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19

Verhoogt, H., N. St-Pierre, F. S. Truchon, B. A. Ramsay, B. D. Favis, and J. A. Ramsay. "Blends containing poly(hydroxybutyrate-co-12%-hydroxyvalerate) and thermoplastic starch." Canadian Journal of Microbiology 41, no. 13 (1995): 323–28. http://dx.doi.org/10.1139/m95-204.

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Poly(hydroxyalkanoates) form biodegradable composites when blended with starch granules but the mechanical properties are poor. Unlike starch granules, thermoplastic starch is a flexible material that can be reprocessed at elevated temperatures. Mixing thermoplastic starch with poly(hydroxybutyrate-co-12%-hydroxyvalerate) resulted in a true blend in which the starch phase was also deformed. Nevertheless, the blends were still brittle despite the presence of the flexible starch phase. Morphological studies showed that the shapes of the dispersed phases in these blends were irregular and that th

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20

Gomez-Caturla, Jaume, Juan Ivorra-Martinez, Daniel Garcia-Garcia, et al. "Thermoplastic Starch (TPS) Obtained from Mango Kernel Flour by Means of Extrusion Process with Different Plasticizers." Key Engineering Materials 957 (October 2, 2023): 21–27. http://dx.doi.org/10.4028/p-w62c6y.

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This work reports on the development of thermoplastic starch materials based on mango kernel flour. Mango kernel has a high starch content, which is why the flour obtained after grinding can be used as raw material to obtain thermoplastic starch (TPS) or rather starch rich thermoplastic materials. For this purpose, a plasticization process is carried out in a twin-screw extruder using different plasticizers, namely glycerol, sorbitol and urea, which are thereafter subjected to an injection-moulding process to obtain tensile test samples. In order to assess the difference in properties dependin

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21

Vasilyev, Ilya, Vladimir Ananiev, Yulia Sultanova, and Valentina Kolpakova. "Effect of the Biodegradable Compounds Composition with Monoglycerides on Mechanical Properties." Materials Science Forum 1031 (May 2021): 7–16. http://dx.doi.org/10.4028/www.scientific.net/msf.1031.7.

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The purpose of this work is to improve the production technology of biodegradable hybrid compositions based on low-density polyethylene with thermoplastic starch and new plasticizer–distilled monoglyceride and determination of the composition effect on mechanical properties. Starch was plasticized with a mixture of glycerol and distilled monoglycerides, instead of the known sorbitol. This article describes methods for producing biodegradable hybrid composite films based on polyethylene and thermoplastic starches (corn, pea and rice) with a mass ratio of components, respectively, 40:60÷60:40 an

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22

Dmitrieva, T. V., S. K. Krymovska, G. E. Glieva, and S. V. Riabov. "Thermoplastic starch as a component of film-forming compositions with degradable properties." Polymer journal 43, no. 2 (2021): 73–78. http://dx.doi.org/10.15407/polymerj.43.02.073.

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A review of the literature on the production of thermoplastic starch, which is an integral part of biodegradable polymer compositions. The analysis of plasticizing additives, influence of their functional groups, chemical structure and technological parameters on physical and mechanical properties of starch compositions is carried out. The list of plasticizing additives studied should include: glycerin, water, polyethylene glycol, polypropylene glycol. Sorbitol, formamide, xylitol, dimethyl sulfoxide, gelatin, maleic anhydride, epoxidized compounds are defined as structure-forming additives. T

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23

Vasquez, Jasmin Z., Aileen Grace M. Ongkiko, and Leslie Joy L. Diaz. "Influence of Synthesis Parameters on the Microstructure and Mechanical Property of Thermoplastic Starch." Applied Mechanics and Materials 863 (February 2017): 123–28. http://dx.doi.org/10.4028/www.scientific.net/amm.863.123.

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Thermoplastic starch was prepared via compression molding in a stainless steel mold having dimensions of 150 mm x 150 mm x 2mm. Thermoplastic starch was prepared by varying the compression temperature, compression pressure and duration of compression. The starch was extracted from bitter cassava (Manihot esculenta crantz), Datu 1 variety. Tensile properties of the material were found to be dependent on the specific conditions at which molding was done. Factorial analysis showed a significant effect of the temperature-pressure interaction on the tensile strength of thermoplastic starch at 95% c

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24

Carvalho, A. J. F., A. E. Job, N. Alves, A. A. S. Curvelo, and A. Gandini. "Thermoplastic starch/natural rubber blends." Carbohydrate Polymers 53, no. 1 (2003): 95–99. http://dx.doi.org/10.1016/s0144-8617(03)00005-5.

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25

THUNWALL, M., V. KUTHANOVA, A. BOLDIZAR, and M. RIGDAHL. "Film blowing of thermoplastic starch." Carbohydrate Polymers 71, no. 4 (2008): 583–90. http://dx.doi.org/10.1016/j.carbpol.2007.07.001.

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26

Janssen, Leon P. B. M., and Leszek Mościcki. "Thermoplastic starch as packaging material." Acta Scientiarum Polonorum Technica Agraria 5, no. 1 (2006): 19–25. http://dx.doi.org/10.24326/aspta.2006.1.2.

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Attempts to reduce net CO2 emission and to increase the use of sustainable materials pose great challenges at the interface of chemical engineering and agricultural engineering. One of the products involved is thermoplastic starch that can partly substitute synthetic plastics, amongst others in packaging. In a first step a semi product is produced by mixing starch and a polyol in a cooking-extrusion process. The material obtained can than be used in other polymer processes, like extrusion, film blowing and injection moulding. Films with thicknesses of 200 µm can be achieved if gelatinisation i

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27

Li, Deling, Congcong Luo, Jun Zhou, et al. "The Role of the Interface of PLA with Thermoplastic Starch in the Nonisothermal Crystallization Behavior of PLA in PLA/Thermoplastic Starch/SiO2 Composites." Polymers 15, no. 6 (2023): 1579. http://dx.doi.org/10.3390/polym15061579.

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Corn starch was plasticized by glycerol suspension in a twin-screw extruder, in which the glycerol suspension was the pre-dispersion mixture of glycerol with nano-SiO2. Polylactide (PLA)/thermoplastic starch/SiO2 composites were obtained through melt-blending of PLA with thermoplastic starch/SiO2 in a twin-screw extruder. The nonisothermal crystallization behavior of PLA in the composites was investigated by differential scanning calorimetry. An interface of PLA with thermoplastic starch was proven to exist in the composites, and its interfacial bonding characteristics were analyzed. The inter

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28

Zhen, Wen Juan. "Study on Nanocellulose / Starch Composites." Advanced Materials Research 187 (February 2011): 544–47. http://dx.doi.org/10.4028/www.scientific.net/amr.187.544.

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Nanocellulose and thermoplastic starch polymer (TSP) composite was prepared by solution casting method for the sports industry. As a biological material, this material had special properties of nanomaterials and the rigidity of cellulose, dimensional stability and biodegradable. Such material might be one of the answers to the disposal problem of waste sports equipments. As a reinforcing material, nanocellulose was added to TSP matrix and composites were made with appropriate solvent systems by solution casting methods. Water absorption, degradation and film mechanical performance were evaluat

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29

Tessanan, Wasan, Pranee Phinyocheep, and Taweechai Amornsakchai. "Development of Biodegradable Thermosetting Plastic Using Dialdehyde Pineapple Stem Starch." Polymers 15, no. 18 (2023): 3832. http://dx.doi.org/10.3390/polym15183832.

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Starch extracted from pineapple stem waste underwent an environmentally friendly modification process characterized by low-energy consumption. This process resulted in the creation of dialdehyde pineapple stem starch featuring varying aldehyde contents ranging from 10% to 90%. Leveraging these dialdehyde starches, thermosetting plastics were meticulously developed by incorporating glycerol as a plasticizer. Concurrently, unmodified pineapple stem starch was employed as a control to produce thermoplastic material under identical conditions. The objective of streamlining the processing steps was

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30

Liu, Bin, Qiu Feng Lv, Run Fang, and Xian Su Cheng. "Preparation and Properties of Enzymatic Hydrolysis Lignin Modified Thermoplastic Starch Composites." Advanced Materials Research 306-307 (August 2011): 1717–21. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.1717.

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Thermoplastic starch composites modified by enzymatic hydrolysis lignin (EHL) were prepared via a simple and environmentally-friendly process. Starch and EHL were plasticized with urea and methanamide as plasticizers in the preparation. The effects of the amount of plasticizers and EHL on the mechanical and water-absorption properties were investigated. The fractured surfaces of the composites were studied by using scanning electron microscopy (SEM). Properties of the composites were improved with adding plasticized EHL into pure thermoplastic starch. It was attributed to the good compatibilit

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31

Tan, Lingcao, Qingxing Su, Shuidong Zhang, and Hanxiong Huang. "Preparing thermoplastic polyurethane/thermoplastic starch with high mechanical and biodegradable properties." RSC Advances 5, no. 98 (2015): 80884–92. http://dx.doi.org/10.1039/c5ra09713d.

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32

Díaz-Galindo, Edaena Pamela, Aleksandra Nesic, Gustavo Cabrera-Barjas, et al. "Physical-Chemical Evaluation of Active Food Packaging Material Based on Thermoplastic Starch Loaded with Grape cane Extract." Molecules 25, no. 6 (2020): 1306. http://dx.doi.org/10.3390/molecules25061306.

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The aim of this paper is to evaluate the physicochemical and microbiological properties of active thermoplastic starch-based materials. The extract obtained from grape cane waste was used as a source of stilbene bioactive components to enhance the functional properties of thermoplastic starch (TPS). The biomaterials were prepared by the compression molding technique and subjected to mechanical, thermal, antioxidant, and microbiological tests. The results showed that the addition of grape cane extract up to 15 wt% (TPS/WE15) did not significantly influence the thermal stability of obtained biom

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33

Du, Yan-Li, Yu Cao, Fang Lu, et al. "Biodegradation behaviors of thermoplastic starch (TPS) and thermoplastic dialdehyde starch (TPDAS) under controlled composting conditions." Polymer Testing 27, no. 8 (2008): 924–30. http://dx.doi.org/10.1016/j.polymertesting.2008.08.002.

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34

González, Kizkitza, Aloña Retegi, Alba González, Arantxa Eceiza, and Nagore Gabilondo. "Starch and cellulose nanocrystals together into thermoplastic starch bionanocomposites." Carbohydrate Polymers 117 (March 2015): 83–90. http://dx.doi.org/10.1016/j.carbpol.2014.09.055.

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35

González, Munduate Kizkitza, Retegi Aloña, González Alba, Eceiza Arantxa, and Gabilondo Nagore. "Starch and cellulose nanocrystals together into thermoplastic starch bionanocomposites." Carbohydrate Polymers 117, no. 6 (2015): 83–90. https://doi.org/10.1016/j.carbpol.2014.09.055.

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In the present work, thermoplastic maize starch based bionanocomposites were prepared as transparent films, plasticized with 35% of glycerol and reinforced with both waxy starch (WSNC) and cellulose nanocrystals (CNC), previously extracted by acidic hydrolysis. The influence of the nanofiller content was evaluated at 1 wt.%, 2.5 wt.% and 5 wt.% of WSNC. The effect of adding the two different nanoparticles at 1 wt.% was also investigated. As determined by tensile measurements, mechanical properties were improved at any composition of WSNC. Water vapour permeance values maintained constant, wher

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36

Barragán, D. H., A. M. Pelacho, and Ll Martin-Closas. "Degradation of agricultural biodegradable plastics in the soil under laboratory conditions." Soil Research 54, no. 2 (2016): 216. http://dx.doi.org/10.1071/sr15034.

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Mulches, usually consisting of polyethylene films, are used in agriculture to improve production. The main drawback of using polyethylene is its extremely high stability. Removing it from the field is usually not feasible, and so wastes remain accumulating in the field and pollute the environment. As an alternative, five potentially biodegradable plastic films for mulching (maize thermoplastic starch–copolyester, cereal flour–copolyester, polylactic acid–copolyester, polyhydroxybutyrate, and potato thermoplastic starch–copolyester) were tested to evaluate their degradation in an agricultural s

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37

Granda, Luis Angel, Helena Oliver-Ortega, Maria José Fabra, et al. "Improved Process to Obtain Nanofibrillated Cellulose (CNF) Reinforced Starch Films with Upgraded Mechanical Properties and Barrier Character." Polymers 12, no. 5 (2020): 1071. http://dx.doi.org/10.3390/polym12051071.

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Nowadays, the interest on nanofibrillated cellulose (CNF) has increased owing to its sustainability and its capacity to improve mechanical and barrier properties of polymeric films. Moreover, this filler shows some drawbacks related with its high capacity to form aggregates, hindering its dispersion in the matrix. In this work, an improved procedure to optimize the dispersability of CNF in a thermoplastic starch was put forward. On the one hand, CNF needs a hydrophilic dispersant to be included in the matrix, and on the other, starch needs a hydrophilic plasticizer to obtain a thermoformable m

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38

Liu, Wen Yong, Yi Chen, Xiang Guai Li, et al. "Processing and Mechanical Properties of Plasticized Starch by Different Plasticization Methods." Advanced Materials Research 763 (September 2013): 45–48. http://dx.doi.org/10.4028/www.scientific.net/amr.763.45.

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The thermoplastic processing and mechanical properties of starch were investigated by different plasticization methods. Glycerol was chosen as the plasticizer for starch. The effect of glycerol with different amount was studied. The two plasticizing methods of direct adding and high-speed mixing of glycerol were used to plasticize starch, respectively. The results showed that the suitable processing temperatures ranged from 105°C to 140°C. The tensile strength of the obtained thermoplastic starch decreased and the breaking elongation ratio increased with the increase of glycerol content. When

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39

Adnan, Sinar Arzuria, Azlin Fazlina Osman, Di Sheng Lai, et al. "Reduced Aging of Thermoplastic Starch Films with Green Hybrid Filler." Materials Science Forum 1075 (November 30, 2022): 59–64. http://dx.doi.org/10.4028/p-lte761.

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Thermoplastic starch film (TPSF) and hybrid thermoplastic starch film (HTPSF) were stored for 3 months to study the effect of aging on the mechanical properties and crystalline structure of the starch biopolymer. The alteration of the mechanical properties and crystalline structure of the films were analyzed through tensile test and differential scanning calorimetry (DSC) analysis. The incorporation of the hybrid filler (microcrystalline cellulose + nanobentonite) in the HTPSF has effectively prevented retrogradation happen in the starch structure. In contrary, the TPSF showed high degree of r

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40

Zuraida, Ahmad, A. R. Nur Humairah, A. W. Nur Izwah, and Z. Siti Naqiah. "The Study of Glycerol Plasticized Thermoplastic Sago Starch." Advanced Materials Research 576 (October 2012): 289–92. http://dx.doi.org/10.4028/www.scientific.net/amr.576.289.

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Thermoplastic sago starch (TPSS) was produced by plasticizing with glycerol through melt blending before being compression moulded. The investigated TPSS was prepared at glycerol/starch weight fraction of 40/60, 35/65 and 30/70. The functional groups composition, tensile strength, density, moisture content and water absorption were evaluated and compared at different glycerol/starch ratio. The compatibility of the glycerol as the plasticizer in the TPSS was proven by Fourier transform infrared spectroscopy (FTIR) where glycerol could form stable hydrogen bond with sago starch. This preliminary

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41

Dewi, Rozanna, Novi Sylvia, and Zulnazri Zulnazri. "The Effect of Radiation Technology on Surface Morphology of Sago Based Eco-friendly Plastic." Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) 3 (December 17, 2022): 00003. http://dx.doi.org/10.29103/micoms.v3i.41.

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The variety and production continue of plastic has increased and it has brought difficulties in dealing with plastic waste disposed to nature and cannot be decomposed in a long time. Modified thermoplastic starch derived from sago palm crosslinked with polyurethane prepolymer obtained from diphenyl methane diisocyanate and castor oil polyol had better mechanical, thermal and chemical characteristics than bioplastics. In this study, eco-friendly plastics from sago starch modified with prepolymer polyurethane with the addition of chitosan as additive and polypropylene or polyethylene as matrix w

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Thongtan, Roung Rong, and Klana Rong Sriroth. "Physical Properties of Thermoplastic Cassava Starches Extruded from Commercial Modified Derivatives in a Pilot Scale." Applied Mechanics and Materials 117-119 (October 2011): 1007–13. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1007.

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Properties of thermoplastic starch (TPS) produced from commercial-grade modified cassava starches were investigated in a pilot scale for future practical production in plastic industry. Five types of commercial cassava starches including native, oxidized, acetylated, octenyl succinate and pregelatinized starches were transformed into TPS by extrusion. The morphology implied that degree of destructuration could be manipulated by adjusting amount of glycerol of the starch melt. All types of TPS exhibited strong water sensitivity especially when exposed to humid atmosphere (>0.75 water activit

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Zdybel, Ewa, Ewa Tomaszewska-Ciosk, Mateusz Gertchen, and Wioletta Drożdż. "Selected properties of biodegradable material produced from thermoplastic starch with by-products of food industry addition." Polish Journal of Chemical Technology 19, no. 2 (2017): 51–55. http://dx.doi.org/10.1515/pjct-2017-0027.

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Abstract In this work extrusion process were used to create thermoplastic starch and to mix obtained starch with linen, quince and apple pomace at the same time. Obtained starch beads were formed in shapes. In experimental material was determined thermal conductivity, water absorption and the solubility in water. It is possible to get the biodegradable material produced from thermoplastic starch with an addition of fruit pomace. Adding pomace and glycerine to the biodegradable material made from starch change of susceptibility on water action. In the case of materials containing pomace, glycer

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Vindizheva, Amina, Svetlana Khashirova, and Alexandr Kalabin. "Biologically Destroyable Polymer Compositions with the Use of Natural Filler." Key Engineering Materials 869 (October 2020): 501–7. http://dx.doi.org/10.4028/www.scientific.net/kem.869.501.

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We presented a scientific review of the literature on known biodegradable polymer composite materials and summarized the data on the effect of starch and thermoplastic starch on the biodegradability of industrially produced polymers. We considered the main starch plasticizers.

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Li, H., and M. A. Huneault. "Crystallization of PLA/Thermoplastic Starch Blends." International Polymer Processing 23, no. 5 (2008): 412–18. http://dx.doi.org/10.3139/217.2185.

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Stevens, E. S., J. L. Willett, and R. L. Shogren. "Thermoplastic Starch-Kraft Lignin-Glycerol Blends." Journal of Biobased Materials and Bioenergy 1, no. 3 (2007): 351–59. http://dx.doi.org/10.1166/jbmb.2007.009.

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Zuraida, A., Z. N. Najiah, A. R. N. Humairah, and S. Norshahida. "Properties of Thermoplastic Starch/Kenaf Composite." Molecular Crystals and Liquid Crystals 603, no. 1 (2014): 173–79. http://dx.doi.org/10.1080/15421406.2014.966440.

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Mihai, Mihaela, Michel A. Huneault, and Basil D. Favis. "Foaming of Polystyrene/ Thermoplastic Starch Blends." Journal of Cellular Plastics 43, no. 3 (2007): 215–36. http://dx.doi.org/10.1177/0021955x07076532.

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Chen, Meng, Biqiong Chen, and Julian R. G. Evans. "Novel thermoplastic starch–clay nanocomposite foams." Nanotechnology 16, no. 10 (2005): 2334–37. http://dx.doi.org/10.1088/0957-4484/16/10/056.

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Averous, L. "Properties of thermoplastic blends: starch–polycaprolactone." Polymer 41, no. 11 (2000): 4157–67. http://dx.doi.org/10.1016/s0032-3861(99)00636-9.

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