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Journal articles on the topic 'Recycled low density polyethylene'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Kukaleva, N., G. P. Simon, and E. Kosior. "Modification of recycled high-density polyethylene by low-density and linear-low-density polyethylenes." Polymer Engineering & Science 43, no. 1 (2003): 26–39. http://dx.doi.org/10.1002/pen.10002.

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2

Prasad, Krishnamurthy, Fareed Tamaddoni Jahromi, Shammi Sultana Nisha, John Stehle, Emad Gad, and Mostafa Nikzad. "An Analysis of Foams Produced from Recycled Polyolefins and Low-Cost Foaming Agents: Benchmarking Using Pore Size, Distribution, Shear Effects, and Thermal Properties." Polymers 17, no. 9 (2025): 1270. https://doi.org/10.3390/polym17091270.

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Foamed specimens were fabricated from virgin and recycled polyethylenes (linear low-density polyethylene, LLDPE, and low-density polyethylene, LDPE) using low-cost citric acid and sodium bicarbonate foaming agents. The foaming agents chosen showed decomposition behaviour either without phase change (sodium bicarbonate, NaB) or liquefaction followed by decomposition (citric acid, CA). The manufactured polyethylene foams were then benchmarked against a polyurethane foam. Two types of mixing were used prior to foaming, viz., solid-state pulverisation or high-shear internal mixing, and the effect

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3

Moreno, Diego David Pinzón, and Clodoaldo Saron. "Low-density polyethylene waste/recycled wood composites." Composite Structures 176 (September 2017): 1152–57. http://dx.doi.org/10.1016/j.compstruct.2017.05.076.

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4

Kouhi, Meisam, Simona Butan, Yang Li, Elias Shakour, and Mihaela Banu. "Role of Chemically Functionalization of Bamboo Fibers on Polyethylene-Based Composite Performance: A Solution for Recycling." Polymers 13, no. 15 (2021): 2564. http://dx.doi.org/10.3390/polym13152564.

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Low-density polyethylene is the most common polymer for manufacturing containers, bottles, tubes, plastic bags, computer components and so on. There is an urgent need to find solutions for its recycling and reintegration in high volume production components such as non-structural auto applications. The reinforcement of recycled low-density polyethylene with natural fibers represents a solution for the re-use of the recycled low-density polyethylene. However, there is a lack of understanding of how the natural fibers influence the behavior of the bare low-density polyethylene, and furthermore,

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5

Idowu, Ibiyemi A., and Olutosin O. Ilori. "Effect of fillers on mechanical properties of recycled low density polyethylene composites under weathered condition." Nigerian Journal of Technological Research 15, no. 3 (2020): 44–49. http://dx.doi.org/10.4314/njtr.v15i3.6.

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The study examined the effect of fillers on the mechanical properties of the recycled low density polyethylene composites under weathered condition with a view of managing the generation and disposal of plastic wastes. Discarded pure water sachets and fillers (glass and talc) were sourced and recycled. Recycled low density polyethylene (RLDPE) and preparation of RLDPE/glass, RLDPE/talc and RLDPE/glass/talc composites were carried out using a furnace at compositions of 0 – 40% in steps of 10% by weight. The mixtures were poured into hand-laid mould. The samples produced were exposed to sunlight

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6

Choudhury, Arup, Sandeep Kumar, and Basudam Adhikari. "Recycled milk pouch and virgin low-density polyethylene/linear low-density polyethylene based coir fiber composites." Journal of Applied Polymer Science 106, no. 2 (2007): 775–85. http://dx.doi.org/10.1002/app.26522.

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Ilori, Olutosin O., Ibiyemi A. Idowu, and Kehinde M. Adeleke. "Comparing the Effect of Fillers on the Mechanical Properties of Recycled Low Density Polyethylene Composites Under Non-Weathered and Weathered Conditions." European Journal of Engineering Research and Science 3, no. 5 (2018): 17. http://dx.doi.org/10.24018/ejers.2018.3.5.707.

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This work compared the effect of fillers on the mechanical properties of recycled low-density polyethylene composites under non-weathered and weathered conditions. Pure water sachet wastes, glass wastes were sourced from dump-site at Obafemi Awolowo University, Ile-Ife, Nigeria, while the talc was sourced from Lagere, Ile-Ife, Nigeria. Recycling of plastic bags (low-density polyethylene) and the preparation of recycled low-density polyethylene (RLDPE)/glass, RLDPE/ talc and RLDPE/glass/talc composites were carried out using a furnace at compositions of 0 to 40% in steps of 10% by weight. The m

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8

Ilori, Olutosin O., Ibiyemi A. Idowu, and Kehinde M. Adeleke. "Comparing the Effect of Fillers on the Mechanical Properties of Recycled Low Density Polyethylene Composites Under Non-Weathered and Weathered Conditions." European Journal of Engineering and Technology Research 3, no. 5 (2018): 17–20. http://dx.doi.org/10.24018/ejeng.2018.3.5.707.

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This work compared the effect of fillers on the mechanical properties of recycled low-density polyethylene composites under non-weathered and weathered conditions. Pure water sachet wastes, glass wastes were sourced from dump-site at Obafemi Awolowo University, Ile-Ife, Nigeria, while the talc was sourced from Lagere, Ile-Ife, Nigeria. Recycling of plastic bags (low-density polyethylene) and the preparation of recycled low-density polyethylene (RLDPE)/glass, RLDPE/ talc and RLDPE/glass/talc composites were carried out using a furnace at compositions of 0 to 40% in steps of 10% by weight. The m

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9

Ho, Susanna, Ronaca Church, Kristel Klassen, Barkley Law, Daryl MacLeod, and Ludo Zanzotto. "Study of recycled polyethylene materials as asphalt modifiers." Canadian Journal of Civil Engineering 33, no. 8 (2006): 968–81. http://dx.doi.org/10.1139/l06-044.

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There has been interest in modifying asphalt with polyethylene materials, which are a major plastic waste substance, especially low-density polyethylene (LDPE). In this study, combinations of three low molecular weight polyethylene (PE) wax materials and three recycled LDPE materials were used as asphalt modifiers. The modified asphalts were studied using the SuperpaveTM MP1 and MP1a specifications, 1% direct tension test (DTT) failure strain criteria, phase separation, and microscopy. When the molecular weight distribution of the polyethylene modifiers was widened, the bending beam rheometer

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10

Grubbström, Göran, Allan Holmgren, and Kristiina Oksman. "Silane-crosslinking of recycled low-density polyethylene/wood composites." Composites Part A: Applied Science and Manufacturing 41, no. 5 (2010): 678–83. http://dx.doi.org/10.1016/j.compositesa.2010.01.018.

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11

Stelescu, Maria Daniela, Doina Constantinescu, Ovidiu Cristian Oprea, Dana Florentina Gurau, and Mihai Georgescu. "Studies on the Development of New Sustainable Materials Based on Recycled Low-density Polyethylene." Materiale Plastice 61, no. 3 (2024): 70–82. http://dx.doi.org/10.37358/mp.24.3.5734.

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The paper presents our studies regarding the superior valorization of recycled low-density polyethylene (rLDPE) by compounding with thermoplastic starch (TPS) and ethylene propylene terpolymer elastomer (EPDM). Low-density polyethylene post-consumer waste from foil packaging was used for the experiments. The waste was mechanically recycled and the rLDPE granules obtained were characterized both from a physical-mechanical and structural point of view. In order to obtain new sustainable materials, rLDPE granules were mixed with TPS, EPDM, compatibilizers and crosslinking agents. The mixtures wer

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12

Rezakalla, Antypas Imad, and Savostina Tatiana Petrovna. "Study of Mechanical Properties of Recycled Polyethylene of High and Low Density." Materiale Plastice 58, no. 4 (2022): 210–15. http://dx.doi.org/10.37358/mp.21.4.5546.

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High and low density polyethylene materials constitute about 48% of total weight of plastics waste in Europe, that depends on the frequent use of these materials in packaging applications. This paper analyze the recycling effect on the mechanical properties of high and low density polyethylene (HDPE and LDPE). A mechanical recycling process was tested for the plastics waste of high and low density polyethylene, then a tensile and impact tests were performed on different mixing ratios for each of the both materials ranging from 100% of the virgin material and up to 100% of the recycled material

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13

Zorgui, Tahani, Hibal Ahmad, Mehrez Romdhane, and Denis Rodrigue. "Recycled Low Density Polyethylene Reinforced with Deverra tortuosa Vegetable Fibers." Journal of Composites Science 8, no. 10 (2024): 394. http://dx.doi.org/10.3390/jcs8100394.

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In this work, natural fibers extracted from the medicinal aromatic plant Deverra tortuosa, with different sizes (S1 = 2 mm and S2 = 500 μm), were incorporated into recycled low density polyethylene (rLDPE) to produce sustainable biocomposites. Compounding was performed with different fiber concentrations (0 to 30% wt.) via twin-screw extrusion followed by injection molding. Based on the samples obtained, a comprehensive series of characterization was conducted, encompassing morphological and mechanical (flexural, tensile, hardness, and impact) properties. Additionally, thermal properties were

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14

Saleem, Junaid, Zubair Khalid Baig Moghal, and Gordon McKay. "3D Oleophilic Sorbent Films Based on Recycled Low-Density Polyethylene." Polymers 16, no. 1 (2023): 135. http://dx.doi.org/10.3390/polym16010135.

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Recycling low-end, one-time-use plastics—such as low-density polyethylene (LDPE)—is of paramount importance to combat plastic pollution and promote sustainability in the modern green economy. This study valorizes LDPE waste by transforming it into 3D oleophilic swellable thin films through a process involving dissolution, phase separation, and extraction. These films are subsequently layered using a customized polypropylene (PP) based nonwoven fabric separator and securely sealed in a zigzag pattern. The zigzag-shaped seal enhances the adhesion of pollutants to the sorbent by providing wire cu

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15

Farshchi, Negin, and Yalda K. Ostad. "Sepiolite as a nanofiller to improve mechanical and thermal behavior of recycled high-density polyethylene." Progress in Rubber, Plastics and Recycling Technology 36, no. 3 (2020): 185–95. http://dx.doi.org/10.1177/1477760620918596.

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Regarding the current demand for controlling plastic pollution, recycling of polymer sounds a promising solution. However, recycling causes mechanical and thermal shortcomings in polymers. Addition of nanoparticles to recycled materials may overcome these shortcomings. Nanocomposites can be achieved either by blending or through polymerization. Sepiolite as a nanoparticle enhances the thermal properties of polymers. In this study, the effect of sepiolite as a nanoparticle has been investigated on the thermal and mechanical behavior of recycled high-density polyethylene (HDPE). Hardness, densit

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16

Jones, Hannah, Jake McClements, Dipa Ray, Colin S. Hindle, Michail Kalloudis, and Vasileios Koutsos. "Thermomechanical Properties of Virgin and Recycled Polypropylene—High-Density Polyethylene Blends." Polymers 15, no. 21 (2023): 4200. http://dx.doi.org/10.3390/polym15214200.

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This paper provides evidence and discusses the variability in the thermomechanical behaviour of virgin and recycled polypropylene/high-density polyethylene blends without the addition of other components, which is sparse in the literature. Understanding the performance variability in recycled polymer blends is of critical importance in order to facilitate the re-entering of recycled materials to the consumer market and, thus, contribute towards a circular economy. This is an area that requires further research due to the inhomogeneity of recycled materials. Therefore, the thermal and mechanica

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17

Mohammed, Abubakar Sadiq, and Martina Meincken. "Properties of Low-Cost WPCs Made from Alien Invasive Trees and rLDPE for Interior Use in Social Housing." Polymers 13, no. 15 (2021): 2436. http://dx.doi.org/10.3390/polym13152436.

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Low-cost wood–plastic composites (WPCs) were developed from invasive trees and recycled low-density polyethylene. The aim was to produce affordable building materials for low-cost social housing in South Africa. Both raw materials are regarded as waste materials, and the subsequent product development adds value to the resources, while simultaneously reducing the waste stream. The production costs were minimised by utilising the entire biomass of Acacia saligna salvaged from clearing operations without any prior processing, and low-grade recycled low-density polyethylene to make WPCs without a

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18

Dzulfikar, Muhammad, Sri Mulyo Bondan Respati, and Muhammad Nasikin. "Mechanical Properties of Injection Molded Recycled High Density Polyethylene (rHDPE) Blends with pellets Low Density Polyethylene (pLDPE)." Journal of Chemical Process and Material Technology 1, no. 1 (2022): 39. http://dx.doi.org/10.36499/jcpmt.v1i1.5676.

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Recycling polymer has become a mandatory for sustainable development goals, life beyond water and land. Therefore, recycled polymer blends containing rHDPE/pLDPE (high density polyethylene and low density polyethylene) with composition 100/0, 80/20, 70/30, 50/50, 40/60, 30/70, and 0/100 have been prepared by melt compounding method using injection molding at 200 oC. Tensile testing shows that there is strong combination between rHDPE/rLDPE blends. Elongation at break differ from 122-230% and density test give results around 1.1 g/cm3. Injection molding process with the proper temperature setti

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19

Tan, Ming Hui, Meng Soon Chiong, Yoon-Young Chun, Kenichiro Tsukahara, and Kiyotaka Tahara. "An Analysis of Practices and Challenges for Plastic Recycling Industry in Malaysia." International Journal of Automation Technology 16, no. 6 (2022): 831–37. http://dx.doi.org/10.20965/ijat.2022.p0831.

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There is a significant increase in plastic consumption with the growing economies of Asia, causing severe environmental issues as a large proportion of the plastic waste is not appropriately disposed due to the underdeveloped collection systems. The situation in Malaysia is particularly worrying as the total plastic waste increased by nearly 30% in 2018, becoming the second-highest of the entire household solid waste. This problem can be addressed by improving the plastic waste management system and increasing the plastic wastes recycling rate. Therefore, this study aims to investigate the cur

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20

Aliyeva Zahida, Djafarova Nariman, Aliyeva Zahida, Djafarova Nariman. "CHEMICAL STRUCTURE CHARACTERISTICS OF RECYCLED POL-YETHYLENE." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 148, no. 02-02 (2024): 22–27. https://doi.org/10.36962/pahtei14802-022024-22.

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His study examined the aging process of polyethylene used in the spring-summer season in the Absheron Valley for 6 months and studied their recycling. It has been established that the techno-logical and physical-mechanical properties of the processed polymer change significantly depend-ing on the operating conditions and the intensity of the factors affecting it.As a result of our mod-ification, it was possible to restore 80% of the original properties of polyethylene, which after de-commissioning turned into waste. Keywords: Low density polyethylene (LDPE). recycling of polymer waste, modific

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21

Yaghini, Nazila, Remco Tuinier, and Jaap den Doelder. "Computational study of the structural properties of recycled low-density polyethylene." Polymer 241 (February 2022): 124525. http://dx.doi.org/10.1016/j.polymer.2022.124525.

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22

Youssef, Ahmed M., Ahmed El-Gendy, and Samir Kamel. "Evaluation of corn husk fibers reinforced recycled low density polyethylene composites." Materials Chemistry and Physics 152 (February 2015): 26–33. http://dx.doi.org/10.1016/j.matchemphys.2014.12.004.

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23

Ahmedzade, Perviz, Alexander Fainleib, Taylan Günay, and Olga Grygoryeva. "Modification of bitumen by electron beam irradiated recycled low density polyethylene." Construction and Building Materials 69 (October 2014): 1–9. http://dx.doi.org/10.1016/j.conbuildmat.2014.07.027.

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24

Kim, Yeong-Min, and Kyungnam Kim. "Evaluation of Thermal Aging Susceptibility of Recycled Waste Plastic Aggregates (Low-Density Polyethylene, High-Density Polyethylene, and Polypropylene) in Recycled Asphalt Pavement Mixtures." Polymers 17, no. 6 (2025): 731. https://doi.org/10.3390/polym17060731.

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The increasing demand for sustainable road construction materials necessitates innovative solutions to overcome the challenges of Recycled Asphalt Pavement (RAP), including aged binder brittleness, reduced flexibility, and durability concerns. Waste Plastic Aggregates (WPA) offer a promising alternative; however, their thermal aging behavior and interactions with RAP remain insufficiently understood. This study evaluates the performance of RAP-based asphalt mixtures, incorporating three types of WPA—Low-Density Polyethylene (LDPE), High-Density Polyethylene (HDPE), and Polypropylene (PP)—under

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25

Wiwattanasirikul, Rungtawan, and Purimpat Sujumnongtokul. "The Flow Conditions to Move Different Plastic Particles in Dilute Pneumatic Conveying." Applied Mechanics and Materials 148-149 (December 2011): 932–37. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.932.

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In this research, positive-pressure high velocity pneumatic conveying has been tested to determine the flow conditions such as minimum velocity, solid mass flow rate, and pressure drop per unit length of polypropylene (PP), recycled polyethylene (recycled PE), high-density polyethylene (HDPE), and low-density polyethylene (LDPE). The conveying efficiency (η ) of such two-phase flow was also experimentally investigated. During the course of the experimental conduct, the material sphericity ranged from 73.2 to 84.4 %. True density ranged from 904.5 to 1305.7 kg/m3, and bulk density covered the r

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26

Ahmedzade, Perviz, Alexander Fainleib, Taylan Günay, Olga Starostenko, and Tetyana Kovalinska. "Effect of Gamma-Irradiated Recycled Low-Density Polyethylene on the High- and Low-Temperature Properties of Bitumen." International Journal of Polymer Science 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/141298.

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This paper describes polymer modification of bitumen with gamma-irradiated recycled (γ-LDPER) low-density polyethylene. The recycled low-density polyethylene (LDPER) was obtained from greenhouse films exposed to sunlight at least one year. The surface of theLDPERwas treated by gamma beam irradiation that provided formation of free radicals and some functional groups that may contribute to the creation of strong chemical bonds between polymer modifier and bitumen. Five different samples of bitumen/γ-LDPERcompositions with the modifier content, wt. %: 1, 3, 5, 7 and 9, were prepared. The effects

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27

Jock, Alexander Asanja, Messiah Luke Akpan, and Francis Asokogene Oluwadayo. "Production and Characterization of Sand-Plastic Composite Floor Tiles." Hungarian Journal of Industry and Chemistry 50, no. 1 (2022): 29–32. http://dx.doi.org/10.33927/hjic-2022-06.

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The amount of plastic waste generated in developing nations like Nigeria is increasing day by day, which is nonbiodegradable and causes environmental pollution. Among the plastics used, low-density polyethylene is abundant. These plastics can be removed from the environment and recycled into useful products. In this study, low-density polyethylene plastic waste was utilized in the manufacture of floor tiles to curb its generation. The tiles were produced by mixing fine sand with molten plastic waste in different proportions. The physical and mechanical properties of the floor tiles such as wat

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28

Lee, Chia-Huang, Ke-Chang Hung, Yong-Long Chen, Tung-Lin Wu, Yi-Chi Chien, and Jyh-Horng Wu. "Effects of polymeric matrix on accelerated UV weathering properties of wood-plastic composites." Holzforschung 66, no. 8 (2012): 981–87. http://dx.doi.org/10.1515/hf-2011-0198.

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Abstract The purpose of this work is to compare the weathering properties of different types of wood-plastic composites (WPCs) based on high-density polyethylene (HDPE), recycled high-density polyethylene (rHDPE-I and rHDPE-II), low-density polyethylene (LDPE), polypropylene (PP), recycled polypropylene (rPP), polystyrene (PS), and recycled polystyrene (rPS). The modulus of rupture (MOR) and modulus of elasticity (MOE) of all WPCs decreased with increasing exposure time of weathering. Of these, the rHDPE-II-based composite exhibited the highest MOR and MOE retention ratios after 2000 h of acce

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29

Akindele, Oluwatobi Elijah, Erick Gabriel Ribeiro dos Anjos, Antonio Benjamim Mapossa, and Uttandaraman Sundararaj. "Sustainable Fire-Resistant Materials: Recycled Polyethylene Composites with Non-Halogenated Intumescent Flame Retardants for Construction Applications." Recycling 10, no. 2 (2025): 45. https://doi.org/10.3390/recycling10020045.

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This study explores the development of sustainable fire-resistant composites using a blend of recycled linear low-density polyethylene (rLLDPE) and low-density polyethylene (rLDPE) for construction applications. The incorporation of non-halogenated intumescent flame retardants (IFRs), specifically ammonium polyphosphate (APP) and melamine polyphosphate (MPP), was shown to enhance the flame retardance, thermal stability, and mechanical performance of these recycled polymer blends. IFRs were introduced at 5 wt.% and 10 wt.% concentrations, and their effects were evaluated using limiting oxygen i

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30

Versteeg, Frederique A., Benedicta B. Benita, Jesse A. Jongstra, and Francesco Picchioni. "Reactive Extrusion Grafting of Glycidyl Methacrylate onto Low-Density and Recycled Polyethylene Using Supercritical Carbon Dioxide." Applied Sciences 12, no. 6 (2022): 3022. http://dx.doi.org/10.3390/app12063022.

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Glycidyl methacrylate (GMA) was grafted onto (recycled) polyethylene (PE) to design a new adhesive with better mechanical properties compared to non-grafted PE. The effects of the amount of GMA, the amount of dicumyl peroxide (DCP) and the use of supercritical carbon dioxide (scCO2) in a reactive extrusion (REX) were evaluated based on the grafting degree and efficiency of the grafted samples. Generally speaking, higher amounts of GMA led to higher functionalization degrees (FD), whereas higher amounts of DCP resulted in a lower FD due to the occurrence of more unfavorable side reactions. The

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31

Kazemi, Hossein, Ali Fazli, Jean Philippe Ira, and Denis Rodrigue. "Recycled Tire Fibers used as Reinforcement for Recycled Polyethylene Composites." Fibers 11, no. 9 (2023): 74. http://dx.doi.org/10.3390/fib11090074.

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This study proposes a simple approach to separate most rubber particles from recycled tire fibers (RTFs) and to determine their rubber content using thermogravimetric analysis (TGA)/calcination. Furthermore, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDAX), and Fourier transform infrared spectroscopy (FTIR) analyses are used to investigate the separation process and materials compositions. Afterwards, a series of composites based on recycled post-consumer low-density polyethylene (rLDPE) with clean fiber (CF) and residual ground rubber particles (GR) is prepared

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32

Grigoryeva, O., A. Fainleib, J. Grenet, and J. M. Saiter. "Reactive Compatibilization of Recycled Polyethylenes and Scrap Rubber in Thermoplastic Elastomers: Chemical and Radiation-Chemical Approach." Rubber Chemistry and Technology 81, no. 5 (2008): 737–52. http://dx.doi.org/10.5254/1.3548229.

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Abstract Reactive compatibilization of recycled low- or high-density polyethylenes (LDPE and HDPE, respectively) and ground tire rubber (GTR) via chemical interactions of pre-functionalized components in their blend interface has been carried out. Polyethylene component was functionalized with maleic anhydride (MAH); as well, the rubber component was modified via functionalization with MAH or acrylamide (AAm) using chemically or irradiation (γ-rays) induced grafting techniques. The grafting degree and molecular mass distribution of the functionalized polymers have been measured via FTIR and Si

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33

Nguano, Surma, Abawulo Ijuo Godwin, Ikuba Ona John, and Chukwuebuka Ike David. "Recycling Post- Consumer Waste from Low Density Polyethylene Via Low Temperature Catalytic Pyrolysis." International Journal of Current Science Research and Review 08, no. 05 (2025): 2531–38. https://doi.org/10.5281/zenodo.15531735.

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Abstract : Pyrolysis with or without the aid of catalyst have attracted much attention for the conversion of waste plastics to their monomers or partially de-polymerized oligomers. The resulting monomers can be recycled to the original or related polymeric product as well as gasoline range products.  In this work, the pyrolysis of contaminated Low Density Polyethylene (LDPE) was done both thermally and catalytically. The gases from each sample were collected in Tedlar bags and analysis was done using a Buck 530 Gas chromatograph. Results from the thermal pyrolysis  showed aliphatic h

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34

Krastev, R. K., S. Djoumaliisky, and I. Borovanska. "Long-Term Strength of Polymer Blends from Recycled Materials." Journal of Theoretical and Applied Mechanics 43, no. 3 (2013): 59–66. http://dx.doi.org/10.2478/jtam-2013-0025.

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Abstract This report presents data on the long-term strength of five composites made of plastic waste. They contain low density polyethylene, high density polyethylene, polypropylene and polystyrene (LDPE, HDPE, PP and PS). Long-term strength is determined experimentally by tensile creep to fracture. The experimentally determined long-term strength is compared to predictions for its probabilistic boundaries. The calculation method of these predictions uses data from short-term experiments. The calculated predictions are true for four compositions which exhibit ductile fracture. The composite c

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35

Giraldo Toro, Alfonso, Nayive Nieves Pimiento, and Luini Leonardo Hurtado Cortés. "Analysis of the flexural behavior of pavers made from recycled plastic; with a combination of high-density polyethylene (HLPE), low-density polyethylene (LDPE) and polypropylene (PP)." Ingenieria Solidaria 20, no. 2 (2024): 1–18. http://dx.doi.org/10.16925/2357-6014.2024.02.01.

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Introduction: This paper entails an analysis of flexural behavior of pavers made from recycled plastic; a combination of high-density polyethylene (HLPE), low-density polyethylene (LDPE) and polypropylene (PP), carried out in the period 2022 to 2023, with the academic support of the Universidad Distrital Francisco José de Caldas, Sede Tecnológica; Bogotá - Colombia. Problem: To perform flexural tests and analyze the behavior of pavers made from recycled plastic. Objective: To calculate the Flexural Strength (Re), Maximum Stress, Maximum Breaking Load (Cmax), Modulus of Rupture (Mr), Young’s Mo

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Pham, Nga Thi-Hong. "A Study of Recycled Poly(butylene terephthalate) and Low-Density Polyethylene Blend." Polymer Science, Series A 63, no. 6 (2021): 800–803. http://dx.doi.org/10.1134/s0965545x21060080.

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Gomes, Diogo Antonio Correa, Eduardo Hélio de Novais Miranda, Maria Cecillia Ramos de Araújo Veloso, et al. "Production and characterization of recycled low-density polyethylene/amazon palm fiber composites." Industrial Crops and Products 201 (October 2023): 116833. http://dx.doi.org/10.1016/j.indcrop.2023.116833.

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38

Zhang, Yue, Hongsheng Zhang, Yingbo Yu, Weihong Guo, and Chifei Wu. "Recycled poly(ethylene terephthalate)/linear low-density polyethylene blends through physical processing." Journal of Applied Polymer Science 114, no. 2 (2009): 1187–94. http://dx.doi.org/10.1002/app.30030.

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Ayana, Keresa Defa, Abubeker Yimam Ali, and Chang-Sik Ha. "Wood Polymer Composites Based on the Recycled Polyethylene Blends from Municipal Waste and Ethiopian Indigenous Bamboo (Oxytenanthera abyssinica) Fibrous Particles Through Chemical Coupling Crosslinking." Polymers 16, no. 21 (2024): 2982. http://dx.doi.org/10.3390/polym16212982.

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Valorization of potential thermoplastic waste is an effective strategy to address resource scarcity and reduce valuable thermoplastic waste. In this study, new ecofriendly biomass-derived wood polymer composites (WPCs) were produced from three different types of recycled polyethylene (PE) municipal waste, namely linear low-density polyethylene (LLDPE), medium-density polyethylene (MDPE), or high-density polyethylene (HDPE), and their blend with equal composition (33/33/33 by wt.%). Bamboo particle reinforcement derived from indigenous Ethiopian lowland bamboo (LLB), which had never been utiliz

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Al-Ma'adeed, Mariam, Gozde Ozerkan, Ramazan Kahraman, Saravanan Rajendran, and Alma Hodzic. "Life Cycle Assessment of Particulate Recycled Low Density Polyethylene and Recycled Polypropylene Reinforced with Talc and Fiberglass." Key Engineering Materials 471-472 (February 2011): 999–1004. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.999.

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Although recycled polymers and reinforced polymer composites have been in use for many years there is little information available on their environmental impacts. The goal of the present study is to analyze the environmental impact of new composite materials obtained from the combination of recycled thermoplastics (polypropylene [PP] and polyethylene [PE]) with mineral fillers like talc and with glass fiber. The environmental impact of these composite materials is compared to the impact of virgin PP and PE. The recycled and virgin materials were compared using life cycle assessment method acco

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Ayana, Keresa Defa, Marco De De Angelis, Goran Schmidt, Andreas Krause, and Abubeker Yimam Ali. "Valorization of Potential Post-Consumer Polyethylene (PE) Plastics Waste and Ethiopian Indigenous Highland Bamboo (EHB) for Wood Plastic Composite (WPC): Experimental Evaluation and Characterization." Fibers 10, no. 10 (2022): 85. http://dx.doi.org/10.3390/fib10100085.

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The best approaches to minimizing resource scarcity, removing valuable waste streams, and re-establishing a circular economic chain of recycled thermoplastics are to cascade them into product life cycles and their valorization combined with sustainable raw materials. As one part of this goal, WPC was formulated from three recycled PE plastic wastes: linear low-density polyethylene (LLDPE), medium-density polyethylene (MDPE), high-density polyethylene (HDPE), and underutilized EHB. The chemical composition of EHD, chemical structure, crystallinity, melting and crystallization points, residual m

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Zaragoza-Benzal, Alicia, Daniel Ferrández, Paulo Santos, André Cunha, and Luisa Durães. "Recovering Low-Density Polyethylene Waste for Gypsum Board Production: A Mechanical and Hygrothermal Study." Materials 17, no. 16 (2024): 3898. http://dx.doi.org/10.3390/ma17163898.

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In recent decades, plastic waste management has become one of the main environmental challenges for today’s society. The excessive consumption of so-called single-use plastics causes continuous damage to ecosystems, and it is necessary to find alternatives to recycle these products. In this work, a mechanical and hygrothermal characterisation of novel plaster composites incorporating LDPE waste in their interior was carried out. Thus, prefabricated plasterboards have been designed with a partial replacement of the original raw material with recycled LDPE in percentages of 5–10–15% by volume. T

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Ovchinnikov, Vasily, Elena E. Mastalygina, and Petr Pantyukhov. "Investigation of Novel Polymer Composites Based on Recycled Multilayer Combined Packaging Materials." Solid State Phenomena 299 (January 2020): 94–99. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.94.

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Polymer composite based on multilayer combined packaging wastes was prepared and investigated. The composite was made of tetrahedral package wastes, where cardboard part was removed. It was found that obtained composite material has blended polymer matrix that consists of low-density polyethylene, high-density polyethylene and polypropylene. Melting temperature of individual polymers in composite shifts to lower temperatures than that of the initial components. It is the evidence of destruction process or interaction between polymers. The hard particles of aluminum and cellulose are uniformly

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Jiménez, Edward H., Gabriela Mejía, Marlon Cuenca, et al. "Quantitative Effects of Ecuadorian Silicon-Aluminum Materials on the Degradation Rate and Mechanical Strength Enhancement of Recycled Polyethylene." Journal of Mathematics Research 16, no. 5 (2024): 31. http://dx.doi.org/10.5539/jmr.v16n5p31.

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This study presents an innovation in the use of a native Ecuadorian nanoporous material known as allophane for the reprocessing of greenhouse plastics to obtain a functional polymer that allows for reuse, improving its mechanical properties and/or increasing its lifespan. By achieving this objective, three problems are simultaneously addressed: 1) the need to recycle used plastics in a prominent Ecuadorian flower company committed to environmental preservation, 2) the scientific viability work carried out by the Central University of Ecuador, and 3) the industrial application of recycled plast

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Olusunmade, Olusola Femi, Sunday Zechariah, and Taofeek Ayotunde Yusuf. "CHARACTERIZATION OF RECYCLED LINEAR DENSITY POLYETHYLENE/IMPERATA CYLINDRICA PARTICULATE COMPOSITES." Acta Polytechnica 58, no. 3 (2018): 195. http://dx.doi.org/10.14311/ap.2018.58.0195.

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Water-sachets made from low density polyethylene (LDPE) form a bulk of plastic wastes which creates environmental challenges, while certain species of plants like Imperata cylindrica constitute large portion of weeds on farm lands. As a technological approach to the reduction and utilization of these materials, composites of Imperata cylindrica (IC) particulate and synthetic polymer (from recycled waste water-sachets) were produced and evaluated for several mechanical and physical properties. The production of the composites and testing were done using the standard methods available in the lit

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Eberhard, Friederike Susette, Leslie Bowtell, Brian Lenske, and Md Mainul Islam. "Investigation of Gas Release from Recycled Plastic Shopping Bags during Melting at Low Temperatures." Advances in Materials Science and Engineering 2023 (May 10, 2023): 1–9. http://dx.doi.org/10.1155/2023/2378231.

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Recycling plastic is an excellent way to reduce the environmental impact of its production and use. In a circular economy, recycling of recycled plastic is necessary. Most plastic bags are made of thermoplastic, like high-density polyethylene (HDPE) with a melting point of 130°C, and low-density polyethylene (LDPE). In contrast, recycled plastic bags are made up of many different unknown substances. In this study, the melting of used plastic bags containing 80% unknown recycled material was investigated. FTIR analysis showed that the bags consisted mainly of HDPE. The bags were melted at 160°C

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Farm, Y. Y., A. A. A. Mohammad Sappa, Z. Mustafa, et al. "Mechanical properties of eggshells powder reinforced recycled high-density polyethylene." IOP Conference Series: Materials Science and Engineering 1217, no. 1 (2022): 012003. http://dx.doi.org/10.1088/1757-899x/1217/1/012003.

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Abstract This study investigated the effect of thermal treated eggshells powder on the mechanical properties of recycled high-density polyethylene (r-HDPE) composite. Thermal treated eggshellspowder, which was labelled as carbonised eggshells powder (CESP), was prepared at a low pyrolysis temperature of 400°C for one hour. The mechanical performance of the polymer composite reinforced with CESP was compared with the untreated dried raw eggshells powder (ESP) reinforced polymer composite. Each composite sample was prepared with a weight ratio of r-HDPE/filler varied at 90/10, 80/20, and 70/30.

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Rahman, Md Mostafizur, Md Akhtarul Islam, Mainuddin Ahmed, and Md Abdus Salam. "Recycled Polymer Materials as Aggregates for Concrete and Blocks." Journal of Chemical Engineering 27 (July 27, 2013): 53–57. http://dx.doi.org/10.3329/jce.v27i1.15859.

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The potential of recycled waste polymeric materials as a substitute for aggregates in concrete has been investigated in the study. Two different types of waste polymer, namely polyurethane formaldehyde (PUF) based packaging waste and high density polyethylene (HDPE) were recycled and used in the experiment. Concrete and masonry poly block specimens were prepared using recycled polymer materials, and test specimens were characterized. The effects of waste polymer materials on the mechanical, physical and morphological properties of concrete and poly blocks have been investigated. The result sho

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Adah, Patrick Ushie, A. A. Nuhu, A. A. Salawu, A. B. Hassan, and P. A. Ubi. "CHARACTERIZATION OF PERIWINKLE SHELL ASH REINFORCED POLYMER COMPOSITE FOR AUTOMOTIVE APPLICATION." FUDMA JOURNAL OF SCIENCES 8, no. 1 (2024): 83–92. http://dx.doi.org/10.33003/fjs-2024-0801-2158.

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The Periwinkle shell (Tympanotonus fuscatus) is one of the most abundant wastes in the Calabar coastal region of Nigeria and needs to be put into proper use. The great need to shift attention towards waste materials with good mechanical properties to replace some materials used in the Automobile industries for Automobile products is paramount. This research focused on the Mechanical characterization of several composites developed from Periwinkle Shell Powder (PSP) as filler and four selected polymeric materials as the matrix. Recycled high-density polyethylene (rHDPE), Recycled linear low-den

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Navratil, Jan, Miroslav Manas, Michal Stanek, et al. "Hardness and Micro-Indentation Hardness Comparison of Recycled Modified HDPE." Key Engineering Materials 606 (March 2014): 217–20. http://dx.doi.org/10.4028/www.scientific.net/kem.606.217.

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This research paper deals with the possible utilization of irradiated high-density polyethylene (HDPE) after its service life. Powder of recycled irradiated HDPE is used as filler into virgin low-density polyethylene (LDPE) in concentrations from 10 to 60 %. Two combinations of materials were tested granules LDPE/powder HDPE and powder LDPE/powder HDPE. Influence of the filler of the resulting blends on hardness and micro-indentation hardness was investigated. Shore D hardness test and instrumented micro-indentation hardness test were performed and results compared. According to the measured d

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