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Journal articles on the topic 'LDPE'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Anžlovar, Alojz, Mohor Mihelčič, Iztok Švab, David Pahovnik, and Ema Žagar. "Dynamic Crosslinking of LDPE by Nitroxide Radical Coupling of a Dicyclopentadiene Dicarboxylic Acid and Its Dynamic Properties." Polymers 17, no. 11 (2025): 1536. https://doi.org/10.3390/polym17111536.

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LDPE was crosslinked with novel dynamic or conventional crosslinking agents during melt processing. Both crosslinkers were synthesized by the esterification of Thiele’s acid or adipic acid with 4-hydroxy-TEMPO. 1H-NMR showed that a temperature of 170 °C and a reaction time of 24 min are required for a successful crosslinking. The concentrations of crosslinking agents were 1.45, 2.9, and 5.8 mol%. Conventionally crosslinked LDPEs show a decrease in soluble content in hot xylene with increased crosslinker concentrations, while dynamically crosslinked LDPEs show no change after thermal treatment,
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2

Zhao, Hong, Si Yuan Peng, and Jia Ming Yang. "Improving the Dispersity and DC Breakdown of MgO/LDPE Nanocomposite by Adding EVA." Advanced Materials Research 833 (November 2013): 339–42. http://dx.doi.org/10.4028/www.scientific.net/amr.833.339.

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To improve the agglomerate phenomena of polarity nanosized MgO-filler in non-polar low density polyethylene (LDPE) matrix, in the composite (MgO/LDPE) master batch preparation process, adding a certain amount of ethylene-vinyl acetate copolymer (EVA), in order to improve the compatibility of nanoparticles and matrix materials. The dispersion states of MgO in the MgO/LDPE and EVA/MgO/LDPE composite material was evaluated by using scanning electron microscope (SEM), results shown that compared with MgO/LDPE nanocomposite, the dispersion of EVA modified MgO/LDPE is better and the agglomerate phen
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3

Kalia, Arun, and M. S. Dhanya. "Evaluation of Biodegradation Efficiency of Xylene Pretreated Polyethylene Wastes by Isolated Lysinibacillus fusiformis." Nature Environment and Pollution Technology 21, no. 3 (2022): 1375–80. http://dx.doi.org/10.46488/nept.2022.v21i03.045.

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The ability of the bacterial degradation of low-density polyethylene (LDPE) waste by Lysinibacillus fusiformis isolated from hydrocarbon-contaminated soil was investigated in the present study. The potential of the bacterial isolate to utilize LDPE waste bags of two different thicknesses in a month as a sole carbon source in mineral salt media was assessed. Further, the effect of pretreatment by xylene on the bacterial degradation of LDPE waste bags (0.5 percent w/v) in 30 days was investigated. The isolated Lysinibacillus fusiformis was able to degrade 9.51 percent of LDPE with 30 μm thicknes
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4

Novello, Vittorino, Laura De Palma, Luigi Tarricone, and Giuliano Vox. "Effects of different plastic sheet coverings on microclimate and berry ripening of table grape cv "Matilde"." OENO One 34, no. 2 (2000): 49. http://dx.doi.org/10.20870/oeno-one.2000.34.2.1011.

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<p style="text-align: justify;">Two types of plastic cover (LDPE + EVA and LDPE + HDPE) were tested to assess their radiometric properties and the influence on the vegetative and reproductive performances of ‘Matilde’ table grape. Films showed the same transmittance to short infrared waves, but LDPE + EVA had a higher transmissivity to visible, PAR and short infrared wavelength ranges of solar radiation, especially as for the « direct » light component. In comparison to the open field, covering increased GDD accumulation and advanced budbreak by 12 days (LDPE + HDPE) or 20 days (LDPE + E
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5

Sabet, Maziyar, and Hassan Soleimani. "Broad studies of graphene and low-density polyethylene composites." Journal of Elastomers & Plastics 51, no. 6 (2018): 527–61. http://dx.doi.org/10.1177/0095244318802608.

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Graphene (Gr) distribution in low-density polyethylene (LDPE) considerably increased thermal stability, thermal conductivity, mechanical properties, and flexural properties of LDPE/Gr composites. Addition of Grs to LDPE postponed the time for making the polymer brittle. High specific surface area and superior properties of Gr improved thermal stability, conductivity, storage modulus, and mechanical properties of composites. The electrical conductivity of LDPE/Grs composites upgraded owing to the thermal stability of Grs in LDPE matrix. In terms of rheology, the addition of Grs augmented viscos
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6

Tang, Ying, Yun Wang, and Xian Ping Xia. "Influence of the Particle Size of LDPE on the Performance of Cu/LDPE Composites." Advanced Materials Research 833 (November 2013): 330–34. http://dx.doi.org/10.4028/www.scientific.net/amr.833.330.

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The Cu/LDPE composites were characterized through the tests of micro-structure, mechanical property, surface hydrophilicity and releasing rate of cupric ions, in order to study the influence of the particle size of LDPE on the performance of Cu/LDPE composites. The results indicate that, with decreasing of the particle size of LDPE, Cu/LDPE composites have greater value of elongation at break and releasing rate of cupric, but smaller value of tensile strength and elasticity modulus, and the influence on surface hydrophilicity and crystalline is little. It is considered that the influence of th
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7

Gong, Zhu, Long Jin, Xingye Yu, et al. "Biodegradation of Low Density Polyethylene by the Fungus Cladosporium sp. Recovered from a Landfill Site." Journal of Fungi 9, no. 6 (2023): 605. http://dx.doi.org/10.3390/jof9060605.

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Low density polyethylene (LDPE) has been widely used commercially for decades; however, as a non-degradable material, its continuous accumulation has contributed to serious environmental issues. A fungal strain, Cladosporium sp. CPEF-6 exhibiting a significant growth advantage on MSM-LDPE (minimal salt medium), was isolated and selected for biodegradation analysis. LDPE biodegradation was analyzed by weight loss percent, change in pH during fungal growth, environmental scanning electron microscopy (ESEM), and Fourier transformed infrared spectroscopy (FTIR). Inoculation with the strain Cladosp
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8

Zhao, Xue Yan, Xue Gang Luo, Xiao Yan Lin, and Xiao Qi. "Rheological and Thermal Properties of Blends of Recycled LDPE and Virgin LDPE." Advanced Materials Research 734-737 (August 2013): 2501–4. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.2501.

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Blends of recycled LDPE and LDPE were prepared by the twin-screw extruder at different ratios. Recycled LDPE was used as matrix in this work, LDPE was used to improve the properties of RLDPE. Thermal and rheological properties of the blends were carefully evaluated and compared with pure LDPE. DSC measurements indicates that the RLDPE/LDPE blends are miscible in the crystalline phase and LDPE can increase the crystallization of the blends. Rheological analysis shows that virgin LDPE will promote the normal flow of RLDPE and improve the mobility of chain segments in flow. Consequently, the rheo
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9

Liu, Jun, Youyuan Wang, Kun Xiao, and Zhanxi Zhang. "Research on the Thermal Aging Behaviors of LDPE/TiO2 Nanocomposites." Journal of Nanomaterials 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/5048382.

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The ability of antithermal aging of LDPE/TiO2 nanocomposites was investigated through SEM, FTIR, DSC, and dielectric properties in this paper. The results of SEM images showed that the thermal aging had a significant influence on the structure of Pure-LDPE and LDPE/TiO2 samples. The measurement of FTIR showed that the content of hydroxyl and carboxyl increased with thermal aging, but the time of emerging aging characteristic peaks for the LDPE/TiO2 samples was delayed. The DSC measurement indicated that filling TiO2 nanoparticles changed the crystallization behavior of LDPE, played a role of h
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10

Li Yong-Jun, Han Yong-Sen, Zhang Wen-JiangQi, Guo Wen-Min, Sun Yun-Long, and Li Zhong-Hua. "Effects of assisted electric field on the microstructure evolution and direct current electrical properties of low-density polyethylene." Acta Physica Sinica 73, no. 22 (2024): 0. http://dx.doi.org/10.7498/aps.73.20241113.

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Low-density polyethylene (LDPE) is the basic material of the high-voltage direct current power cable insulation. The assisted electric field is a common way to regulate the microstructure of polymers, but its application in the field of electrical insulating polymers is rarely reported. To study the effect of the assisted electric field on the microstructure evolution and direct current (DC) electrical properties of LDPE, the LDPE treated with assisted electric field at the melting stage, cooling stage and the whole stage (i.e., the melting stage and cooling stage) are prepared together with t
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11

Zhu, Nianqing, Hailong Chen, Xinxing Gao, Rongjie Hou, Zhongbing Ni, and Mingqing Chen. "Fabrication of LDPE/PS interpolymer resin particles through a swelling suspension polymerization approach." e-Polymers 20, no. 1 (2020): 361–68. http://dx.doi.org/10.1515/epoly-2020-0031.

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AbstractA facile method to prepare low-density polyethylene (LDPE)/polystyrene (PS) interpolymer resin particles by swelling suspension polymerization without addition of extra swelling agent was developed. The polymerization temperature, polymerization time, and initiator concentration were investigated. Fourier transform infrared spectroscopy analysis confirmed that the LDPE/PS interpolymer resin particles were successfully prepared and a small amount of PS-g-LDPE existed in the resin. Scanning electron microscopy revealed that PS was uniformly distributed in the LDPE matrix, indicating exce
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12

Aktas, Cihan, Osman Polat, Mohamadreza Beitollahpoor, Melika Farzam, Noshir S. Pesika, and Nurettin Sahiner. "Force-Based Characterization of the Wetting Properties of LDPE Surfaces Treated with CF4 and H2 Plasmas." Polymers 15, no. 9 (2023): 2132. http://dx.doi.org/10.3390/polym15092132.

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Low-density polyethylene (LDPE) films are widely used in packaging, insulation and many other commodity applications due to their excellent mechanical and chemical properties. However, the water-wetting and water-repellant properties of these films are insufficient for certain applications. In this study, bare LDPE and textured LDPE (T-LDPE) films were subjected to low-pressure plasmas, such as carbon tetrafluoride (CF4) and hydrogen (H2), to see the effect of plasma treatment on the wetting properties of LDPE films. In addition, the surface of the LDPE film was textured to improve the hydroph
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13

Jai, Junaidah, Siti Fatma Abd Karim, Nurul Asyikin Md Zaki, Rabiatul Adawiyah Abdol Aziz, Farhana Wahet, and Nadiah Shafiqah Shaharuddin. "Physico-mechanical and water absorption properties of LDPE/cassava starch film." Malaysian Journal of Chemical Engineering and Technology (MJCET) 4, no. 2 (2021): 103. http://dx.doi.org/10.24191/mjcet.v4i2.13825.

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Plastic waste is a global crisis, and Malaysia is the 8th worst country worldwide for plastic waste. With this trend, growing market demands for green product have imposed pressure on industries to find an alternative to petroleum-based plastic. Degradable plastic is introduced to overcome this limitation. The present work investigates degradable plastic film of low-density polyethylene incorporated with cassava starch (LDPE-CS). The compounding of the LDPE-CS was prepared via pre-mixing, blending, resin crushing, and film hot pressing. Film thickness, tensile strength, elongation, water absor
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14

Tee, Tiam Ting, Soo Tueen Bee, Tin Sin Lee, Chantara Thevy Ratnam, and Haraveen Kaur Jogindar Singh. "Hot Set Characterization of Electron Beam Irradiated-Copper (II) Oxide Added LDPE Composites under Acidic Aging." Applied Mechanics and Materials 786 (August 2015): 63–67. http://dx.doi.org/10.4028/www.scientific.net/amm.786.63.

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In this research study, the effect of aging duration time and electron beam irradiation dosages on the hot set results of copper (II) oxide added LDPE composites have been investigated. The addition of copper (II) oxide particles in LDPE matrix has significantly reduced the formation of crosslinking networks in LDPE matrix by blocking the mobility of free radicals generated by electron beam irradiation. At lower irradiation dosages (< 100 kGy), all the copper (II) oxide added LDPE composites were immediately failed the hot set test when subjected to static load of 20 N/cm2 under high temper
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15

Cheng, Yujia, Guang Yu, Xiaohong Zhang, and Boyang Yu. "The Research of Crystalline Morphology and Breakdown Characteristics of Polymer/Micro-Nano-Composites." Materials 13, no. 6 (2020): 1432. http://dx.doi.org/10.3390/ma13061432.

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In this article, low-density polyethylene (LDPE) was used as a matrix polymer, the Micro-ZnO and Nano-ZnO particles were used as the inorganic filler. With the melt blending method, the Nano-ZnO/LDPE(Nano-ZnO particles doping into LDPE), Micro-ZnO/LDPE(Micro-ZnO particles doping into LDPE) and Micro-Nano-ZnO/LDPE (Nano-ZnO and Micro-ZnO particles doping into LDPE in the same time) composites were prepared. Then, the inorganic filler and the composites were dealt with structural characterizations and analysis by Fourier transform infrared (FTIR), Polarization microscope (PLM), and Differential
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16

Yap, E. P., S. C. Koay, M. Y. Chan, H. L. Choo, T. K. Ong, and K. Y. Tshai. "Recycling Polymer Blend made from Post-used Styrofoam and Polyethylene for Fuse Deposition Modelling." Journal of Physics: Conference Series 2120, no. 1 (2021): 012021. http://dx.doi.org/10.1088/1742-6596/2120/1/012021.

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Abstract Styrofoam is widely used as packaging material for many applications like home furniture and electrical appliance. Styrofoam is a non-biodegradable material which its disposal causes serious environment issues. This research demonstrates an alternate recycling method of Styrofoam waste by converting it into 3D printing filament for Fused Deposition Modelling (FDM). For this research, the recycled polystyrene (rPS) was extracted from Styrofoam waste and blended with low-density polyethylene (LDPE), then extruded into filament using a filament extruder. The formulated rPS/LDPE blend wit
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17

Sarker, Ranojit Kumar, Payel Paul, Sharmistha Das, Sudipta Chatterjee, Poulomi Chakraborty, and Prosun Tribedi. "Exploration of Strategies for the Enhanced Biodegradation of Low-Density Polyethylene (LDPE) by A Soil Bacterium Enterobacter Cloacae AKS7." Journal of Pure and Applied Microbiology 15, no. 3 (2021): 1266–78. http://dx.doi.org/10.22207/jpam.15.3.16.

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In the context of sustainable bioremediation of Low-density polyethylene (LDPE), in this study, several strategies were explored to enhance the LDPE degradation by the bacterium Enterobacter cloacae AKS7. Initially, Mineral oil and Tween 80 were used to test whether they could modulate microbial colonization and polymer degradation by AKS7. Results indicated Mineral oil could increase microbial colonization and LDPE degradation whereas Tween 80 compromised the same. Since LDPE holds hydrophobic characteristics, the organism showing higher cell-surface hydrophobicity could adhere efficiently to
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18

Pham, Nga Thi-Hong. "Characterization of Low-Density Polyethylene and LDPE-Based/Ethylene-Vinyl Acetate with Medium Content of Vinyl Acetate." Polymers 13, no. 14 (2021): 2352. http://dx.doi.org/10.3390/polym13142352.

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Low-density polyethylene (LDPE) and ethylene vinyl acetate copolymer (EVA), which are non-polar and polar polymers, are immiscible and form a polyphase system. In this study, LDPE was mixed with 2.5%, 5%, 7.5%, 10%, 12.5% Ethylene-vinyl acetate (EVA-28) with a medium content of vinyl acetate (28% VA), respectively by injection molding machine and LDPE. Tensile strength and flexural strength were tested according to ASTM D638-02 standard and ISO 178 standard. The results showed that adding EVA-28 increased the elongation at break of the LDPE/2.5% EVA, LDPE/5% EVA and LDPE/10% EVA blend samples.
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19

Yang, Jiaming, Congji Liu, Changji Zheng, Hong Zhao, Xuan Wang, and Mingze Gao. "Effects of Interfacial Charge on the DC Dielectric Properties of Nanocomposites." Journal of Nanomaterials 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/2935202.

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The interfacial charge phenomenon of MgO/low-density polyethylene (LDPE) and SiO2/LDPE nanocomposites was measured by synchrotron radiation small-angle X-ray scattering. Based on the Porod theory, the Porod curve of SiO2/LDPE nanocomposite shows negative divergence but the LDPE and MgO/LDPE do not, which reveals that interfacial charge may exist in the SiO2/LDPE nanocomposite. The DC dielectric properties of the nanocomposites are closely related to the interfacial charge. Experimental results show that the SiO2/LDPE nanocomposite has lower DC conductivity, less space charge, and higher DC bre
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20

Tay, Joo Yee, Steven Lim, Shee Keat Mah, and Yoke Meng Tan. "Development of Microporous Breathable Polyethylene Film Using Different Types of Linear Low-Density Polyethylene with Calcium Carbonate as Filler." Solid State Phenomena 349 (September 6, 2023): 95–100. http://dx.doi.org/10.4028/p-vga64b.

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In order to improve the conformity of the glove wearers, the microporous breathable polyethylene gloves are developed using Low-Density Polyethylene (LDPE), Ziegler-Natta Linear-Low Density Polyethylene (ZNLLDPE), Metallocene Linear-Low Density Polyethylene (MLLDPE) and calcium carbonate filler (CC). In this study, LDPE/ZNLLDPE/CC and LDPE/MLLDPE/CC microporous films were prepared to investigate the influence of ZNLLDPE and MLLDPE on the film breathability and elongation. The microporous films were characterized by Scanning Electron Microscope (SEM) analysis, X-ray Diffraction (XRD) analysis a
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Trong, Vu Minh, and Bui Dinh Hoan. "Infrared Spectrum and Thermal Properties of LDPE, EVA and Fly Ash Composites." Key Engineering Materials 869 (October 2020): 69–75. http://dx.doi.org/10.4028/www.scientific.net/kem.869.69.

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The polymer composites based on low-density polyethylene (LDPE), ethylene vinyl acetate copolymer (EVA) and fly ash (FA) without and with vinyltrimetoxysilan (VTMS) modification were prepared by melt mixing in a Haake Rheomixer. The FT-IR spectra indicated the bonds between LDPE/EVA and FA modified by vinyltrimetoxysilan were dipole - dipole interaction and hydrogen bonding. Thermal oxidation stability of the LDPE/EVA/VFA composites are higher than those of the LDPE/EVA/FA composites. Thermal oxidation stability of the LDPE/EVA/VFA composites and the LDPE/EVA/FA composites were higher than the
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Yu, Guang, and Yujia Cheng. "Effects of Inorganic ZnO Particle Doping on Crystalline Polymer Morphology and Space Charge Behavior." Coatings 10, no. 10 (2020): 932. http://dx.doi.org/10.3390/coatings10100932.

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This study further investigated the synergistic effect of micro- and nanofiller doping on matrix material space charges and breakdown characteristics. Accordingly, low-density polyethylene (LDPE) was used as the matrix material, and spherical ZnO particles with sizes of 30 nm and 1 µm were used as additives. Micro-ZnO/LDPE, nano-ZnO/LDPE, and micro-nano-ZnO/LDPE composites were prepared through melt blending. The crystalline morphologies of the composites were observed via polarized light microscopy. The composite crystallinity and melting peak temperature were measured via differential scanni
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23

Song, Wei, Yu Sun, Tian-Jiao Yu, Yu-Zhang Fan, Zhi Sun, and Bai Han. "Investigation of Electrical Properties of BiFeO3/LDPE Nanocomposite Dielectrics with Magnetization Treatments." Polymers 13, no. 16 (2021): 2622. http://dx.doi.org/10.3390/polym13162622.

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The purpose of this paper is to study the effect of nano-bismuth ferrite (BiFeO3) on the electrical properties of low-density polyethylene (LDPE) under magnetic-field treatment at different temperatures. BiFeO3/LDPE nanocomposites with 2% mass fraction were prepared by the melt-blending method, and their electrical properties were studied. The results showed that compared with LDPE alone, nanocomposites increased the crystal concentration of LDPE and the spherulites of LDPE. Filamentous flake aggregates could be observed. The spherulite change was more obvious under high-temperature magnetizat
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Ndlovu, S. S., A. J. van Reenen, and A. S. Luyt. "LDPE–wood composites utilizing degraded LDPE as compatibilizer." Composites Part A: Applied Science and Manufacturing 51 (August 2013): 80–88. http://dx.doi.org/10.1016/j.compositesa.2013.04.005.

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Tee, Tiam Ting, Soo Tueen Bee, Tin Sin Lee, Chantara Thevy Ratnam, Haraveen Kaur Jogindar Singh, and Chong Yu Low. "Effect of Aging in Acidic Condition on Mechanical Properties of Copper (II) Oxide Added LDPE Composites." Applied Mechanics and Materials 786 (August 2015): 8–12. http://dx.doi.org/10.4028/www.scientific.net/amm.786.8.

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In this work, the effect of aging duration time and copper (II) oxide loading level on the physico-mechanical properties of copper (II) oxide added LDPE composites have been investigated. The addition of copper (II) oxide particles in LDPE matrix has significantly decreased the tensile strength of LDPE composites. The occurrence of copper (II) oxide particles in LDPE matrix could reduce the matrix continuities of copper (II) oxide added LDPE composites by the agglomeration of copper (II) oxide particles. This could further cause the applied straining stress unable to be effectively transferred
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AbdulKadir, H. K., and Abdulkader M. Alakrach. "Effects of Hydrolytic and Oxidizing Agents on the Properties of Low Density Polyethylene/Halloysite Nanocomposites for Biomedical Applications." INTERNATIONAL JOURNAL OF DRUG DELIVERY TECHNOLOGY 12, no. 03 (2022): 990–95. http://dx.doi.org/10.25258/ijddt.12.3.12.

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Low density polyethylene (LDPE) nanocomposites reinforced with natural halloysite nanotubes (HNTs) were synthesized and evaluated as a prospective material for biomedical applications via in vitro biostability studies in this work. A twin-screw extruder machine was used to fabricate the examined LDPE and LDPE/HNTs nanocomposites (NCs), followed by in vitro treatment of the prepared NCs via immersion in oxidizing and hydrolytic chemicals for four weeks at 37°C. The materials’ in vitro mechanical characteristics were evaluated under these harsh conditions. The analysis showed that the LDPE with
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Cheng, Yujia, and Guang Yu. "Power Frequency Breakdown Properties of LDPE-Doped Inorganic Nanoparticles." Molecules 30, no. 9 (2025): 1914. https://doi.org/10.3390/molecules30091914.

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Although polyethylene is widely used in electrical insulation, it does not possess dielectric properties. It is therefore desirable to develop insulation materials with excellent dielectric properties. In this study, low-density polyethylene (LDPE) was used as a matrix resin, while MgO, wollastonite, and montmorillonite (MMT) were employed as inorganic nano-additives. Three composites were prepared using the boiling–melt blending approach. Power frequency breakdown tests were performed on the original LDPE and on the prepared nanoparticle/LDPE composites. Upon combination with the Weibull dist
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Canales, Daniel, Lissette Montoille, Lina M. Rivas, et al. "Fungicides Films of Low-Density Polyethylene (LDPE)/Inclusion Complexes (Carvacrol and Cinnamaldehyde) Against Botrytis Cinerea." Coatings 9, no. 12 (2019): 795. http://dx.doi.org/10.3390/coatings9120795.

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Low density polyethylene (LDPE) films were prepared with the incorporation of natural agents (carvacrol and trans-cinnamaldehyde) by the melting process. The co-precipitation method was used successfully to complex the carvacrol or trans-cinnamaldehyde with β-cyclodextrin (β-CD). The active compounds encapsulated in β-CD achieved ca. 90% encapsulation efficiency (E.E.). The inclusion complex studied by scanning electron microscopy (SEM) found particles of different sizes, ca. 4 μm. The active compounds were added directly (1 and 5 wt %) into the polymer matrix, yielding LDPE + carvacrol and LD
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CN Mefo, BA Ezeonuegbu, JB Ameh, SA Ado, and US Ishiaku. "Biodegradation of cassava starch modified low density polyethylene by Bacillus cereus and Pseudomonas aeruginosa isolated from waste dumpsite." GSC Biological and Pharmaceutical Sciences 19, no. 2 (2022): 149–57. http://dx.doi.org/10.30574/gscbps.2022.19.2.0170.

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Low density polyethylene (LDPE) is used for packaging and other industrial application is a significant source of environmental pollution. The present study was aimed at testing the ability of bacterial strains identified as Bacillus cereus and Pseudomonas aeruginosa to degrade LDPE. These strains were isolated from soil samples collected from dump site. All bacterial isolates were screened for their ability to degrade synthetic LDPE. Bacillus cereus and Pseudomonas aeruginosa produced weight loss percentages of 0.18% and 0.17% respectively and were used for further studies. The biodegradation
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Tee, Tiam Ting, Soo Tueen Bee, Azman Hassan, Chantara Thevy Ratnam, Tin Sin Lee, and Chong Yu Low. "Full Factorial Design Analysis on Mechanical Properties of Electron Beam Irradiated-Flame Retarded LDPE/EVA Composites." Applied Mechanics and Materials 786 (August 2015): 58–62. http://dx.doi.org/10.4028/www.scientific.net/amm.786.58.

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This study aims to investigate the effect of three factors, namely alumina trihydrate (ATH), montmorillonite (MMT) and irradiation dosage on the mechanical properties (tensile strength and elongation at break) of flame-retarded LDPE-EVA composites. In this study, full factorial design analysis was used to examine the effects of factors and their combination interactions on mechanical properties. ATH is the most significant factor in affecting the tensile strength of LDPE-EVA blends due to the poor compatibility effect between ATH particles and LDPE-EVA matrix. However, MMT is the least signifi
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Wang, Ni Na, Ding Han Xiang, Pin Shu Mo, and Yi Lu. "Flame Retardant Low Density Polyethylene with Aluminium Hydroxide/ Commercial Fire Retardants FR01 Synergistic System." Advanced Materials Research 652-654 (January 2013): 485–89. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.485.

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Low density polyethylene (LDPE) was modified by the addition of commercial fire retardants FR01 and aluminium hydroxide (ATH). ATH/FR01/LDPE composites were prepared by melt blending and extrusion in a twin-screw extruder. ATH was first modified by a silane coupling agent KH550 then added to LDPE. The flame retardancy, electrical property and thermal behavior of the LDPE composites were investigated by limiting oxygen index (LOI), volume resistivity and thermogravimetric analysis (TGA), respectively. The results indicated that the surface modification of ATH (M-ATH) could greatly improve the d
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Li, Changming, Sixu Duan, Chengcheng Zhang, Jian Zhang, and Baozhong Han. "Research on DC dielectric properties of polyaniline nanofibers/LDPE composites." High Performance Polymers 30, no. 1 (2016): 76–81. http://dx.doi.org/10.1177/0954008316680278.

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In this article, polyaniline (PANI) nanofibers were prepared and added to low-density polyethylene (LDPE) to produce PANI nanofibers/LDPE composites. LDPE and the composites were tested for direct current (DC) conductivity, breakdown strength, and space charge characteristics. The results suggested that DC breakdown strength of PANI nanofibers/LDPE composites significantly declined once PANI was added, and the decline was more evident with the increase of PANI nanofibers. Meanwhile, the addition of PANI nanofibers contributed to a decrease in the conductivity of LDPE. As the content of PANI na
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Yan, Zhiyu, Hong Zhao, Baozhong Han, Jiaming Yang, and Junqi Chen. "The suppression of space charge accumulation in CB/LDPE nanocomposites and its association with molecule relaxation." e-Polymers 18, no. 1 (2018): 49–56. http://dx.doi.org/10.1515/epoly-2017-0111.

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AbstractSpace charge accumulation within insulating material poses a threat to the reliability in the operation of DC power cables. To investigate the influence of carbon black (CB) on the space charge accumulation of low density polyethylene (LDPE), both conductive carbon black (C-CB) and insulating carbon black (I-CB) were employed as filler particles. The space charge distributions of LDPE and CB/LDPE nanocomposites were obtained by the pulsed electro-acoustic (PEA) method. Additionally, dynamic mechanical analysis (DMA) and thermally stimulated current (TSC) spectroscopy were applied to ex
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34

Tan, Soo Jin, and A. G. Supri. "Mechanical Properties, Swelling Behavior and Morphology Properties of Dynamic Vulcanized Low Density Polyethylene/Natural Rubber/Water Hyacinth Fibers Composites." Applied Mechanics and Materials 679 (October 2014): 184–88. http://dx.doi.org/10.4028/www.scientific.net/amm.679.184.

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The effect of dynamic vulcanization and fiber loading on properties of low density polyethylene (LDPE)/natural rubber (NR)/water hyacinth fibers (WHF) were investigated. In this study, the vulcanized thermoplastics were obtained by in situ dynamic curing of LDPE/NR/WHF composites. The LDPE/NR/WHF composites with different fiber loading were prepared by using Brabender mixer at 180 °C with the rotor speed of 50 rpm. The results showed that dynamic vulcanized LDPE/NR/WHF composites gave a higher tensile strength, Young’s modulus, elongation at break but lower molar sorption than unvulcanized LDP
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35

Zakaria, Mohammad, Kanta Shibahara, and Koji Nakane. "Melt-Electrospun Polyethylene Nanofiber Obtained from Polyethylene/Polyvinyl Butyral Blend Film." Polymers 12, no. 2 (2020): 457. http://dx.doi.org/10.3390/polym12020457.

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We prepared low-density polyethylene (LDPE) nanofiber, a few hundred nanometers in diameter, using polyvinyl butyral (PVB) and a laser melt-electrospinning (M-ESP) device. We blended PVB with LDPE via an internal melt mixer, removed the PVB after M-ESP by ethanol treatment, and studied the influence of PVB on fiber diameter. A substantial diameter reduction with improved crystallinity of LDPE fiber was observed with increased PVB content in the blend. PVB inclusion also increased the polarity of the LDPE/PVB blend, resulting in better spinnability. The removal of PVB from LDPE/PVB blend fiber
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36

Government, R.M., D.H. Amani, S. Ayuba, A.K. Ani, and J. Aha. "The Influence of Alkaline Treated Anthracothorax viridis Mango Wood Fiber on the Characteristics of Mango Wood Fiber Low Density Polyethylene Composite." Nigerian Research Journal of Engineering and Environmental Sciences 9, no. 1 (2024): 226–34. https://doi.org/10.5281/zenodo.12599662.

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<em>This present study examines the effects of sodium hydroxide (NaOH) treatment on the mechanical properties of Anthracothorax viridis mango wood fiber-low density polyethylene (MWF-LDPE) composite. The mango wood fiber (MWF) after initial preparation was alkalized with NaOH (ATMWF) and untreated mongo wood was kept aside (UNMWF). The UNMWF and ATMWF were infused in the LDPE by 4-20 wt%., respectively. The individual mixtures were compounded by the application of injection molding machine. The alkaline treated mango wood fiber-low density polyethylene (ATMWF-LDPE) and untreated mango wood-low
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Tan, Soo Jin, A. G. Supri, K. L. Foo, A. M. M. Al Bakri, Y. M. Liew, and C. Y. Heah. "Effect of Poly(Methyl Methacrylate) (PMMA) on Tensile Properties and Spectroscopy Infrared (FTIR) Characteristics of LDPE/WHF Composites." Applied Mechanics and Materials 815 (November 2015): 101–5. http://dx.doi.org/10.4028/www.scientific.net/amm.815.101.

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In this work, the effect of PMMA in low density polyethylene/water hyacinth fibers composites were prepared and characterized in terms of tensile properties and FTIR characteristics. Water hyacinth fibers (WHF) were incorporated into the LDPE matrix with different fiber loading. LDPE/WHF and LDPE/WHFPMMAcomposites were prepared with Z-blade mixer at 180 °C with rotor speed of 50 rpm. The PMMA modified WHF increased the tensile strength and Young’s modulus while reduced the elongation at break of LDPE/WHFPMMAcomposites in comparison with LDPE/WHF composites. The absorption peak at 1736.28 cm-1i
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38

Sutanto, Nelvi, and Srimala Sreekantan. "Photodegradation Improvement of Low-Density Polyethylene Thin Film with gC3N4/5ZnO/TiO2 Photocatalysts." Solid State Phenomena 264 (September 2017): 236–39. http://dx.doi.org/10.4028/www.scientific.net/ssp.264.236.

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LDPE waste disposal is a critical issue nowadays and huge pile of this polymer represents a threat to the environment. Herein, gC3N4/5ZnO/TiO2 photocatalysts (1 wt %) incorporated in LDPE film were investigated and compared with neat LDPE film. Tabletop scanning electron microscopy (SEM) micrograph showed the surface morphologies of neat and LDPE composite films before and after accelerated weathering. Experimental results on LDPE composite films after exposure to UV irradiation showed improvement in degradation rate (~0.274%/hour) in comparison to other study (0.225%/hour). Results of weight
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Bee, Soo-Tueen, Lee Tin Sin, CT Ratnam, Gin-Khuan Chua, and AR Rahmat. "A study of roles of different valence of copper oxide interaction with electron beam irradiation in polyethylene composite." Journal of Thermoplastic Composite Materials 30, no. 7 (2015): 915–37. http://dx.doi.org/10.1177/0892705715614066.

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The aim of this research was to investigate the interaction of electron beam irradiation on the different valence of copper (I) and copper (II) oxides (Cu2O and CuO) added low-density polyethylene (LDPE) composites. The results showed the increasing of Cu2O loading level in replacing the CuO has significantly reduced the gel content (or degree of cross-linking networks) in LDPE matrix. This is due to the poorer effect of Cu2O in inducing the polymeric free radicals. Meanwhile, the application of low irradiation dosage (≤100 kGy) has significantly increased the crystallite size for crystallite
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Luo, Wei Hua, Zheng Liang Wang, and Xing Xing Liu. "Mechanical and Rheological Properties of Compatibilized LDPE/Wood Flour Composites." Advanced Materials Research 549 (July 2012): 729–32. http://dx.doi.org/10.4028/www.scientific.net/amr.549.729.

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LDPE-g-MAH copolymer is prepared through reactive extrusion, and then added to LDPE/wood flour (WF) composites. Effects of LDPE-g-MAH and WF content on mechanical and rheological properties of LDPE/WF composites were investigated by melt flow rate (MFR), mechanical testing and advanced rheometric expansion system (ARES). Results show that the tensile strength of the composites increase with the increase of WF content, but the MFR value and elongation at break decrease tremendously. The tensile strength, impact strength, complex modulus and viscosity of the composites all show an increase with
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Corcimaru, Serghei, Lilia Mereniuc, and Feodora Sitnic. "Soil as a source of polyethylene degrading microorganisms." Bulletin of the Academy of Sciences of Moldova Life Sciences, no. 2(346) (November 2022): 72–76. http://dx.doi.org/10.52388/1857-064x.2022.2.09.

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The presence of low-density polyethylene (LDPE) degrading microorganisms was found in the soils of the Republic of Moldova. Under standard soil conditions the LDPE biodegradation was relatively slow, implying the possibility of long-term negative environmental impacts from soil pollution by LDPE. It was observed that the biodegradation rates could be substantially improved by adding glucose into the soil (0,5%). LDPE biodegradation rates depended on the soil type and on the presence or absence of increased environmental stress for the soil microbial biomass. The highest biodegradation rate was
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Asuku, Suleiman Shuaibu, Yusuf Abubakar, Aliyu Abdulraheem, Abdulsalam Ismaila Galadima, and Abdel Malik Abdel Gaffar Amoka. "Influence of Blending on Mechanical Behavior of Low-Density Polyethylene, Polypropylene, Polyvinylchloride." UMYU Scientifica 2, no. 2 (2023): 037–43. http://dx.doi.org/10.56919/usci.2223.006.

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Three thermoplastic polymers, low-density polyethylene (LDPE), polypropylene(PP), and polyvinyl chloride (PVC),were synthesized from their raw pellets.Three blends of 1:1 wt.% of low-density polyethylene/polypropylene, low-density polyethylene/polyvinylchloride, polypropylene/polyvinylchloride, and one blend of 1:1:1 wt.% of low-density polyethylene/polypropylene/polyvinylchloride were produced via compression mould method using Two-roll Mill machine and Compression Mould machine. Using the Tensile Strength Tester machine, the pristine polymer and the blends were cut into dumbbell shapes for m
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Teoh, Pei Ying, Abdulbaset Mohamed Erfeida, Xuan Viet Cao, and Du Ngoc Uy Lan. "Effects of Filler Incorporation Routes on Mechanical Properties of Low Density Polyethylene/Natural Rubber/Silica (LDPE/NR/Si) Composites." Applied Mechanics and Materials 679 (October 2014): 154–57. http://dx.doi.org/10.4028/www.scientific.net/amm.679.154.

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Low density polyethylene (LDPE) and natural rubber (NR) filled silica composites were prepared by using internal mixer (Brabender) at 150°C and 50 rpm for 10 minutes. Silica was incorporated into polymer matrix by three mixing routes by using Brabender. In mixing I, filler was added into LDPE/NR blend. In mixing II, filler was added prior to LDPE, which was further compounded with NR. In mixing III, filled was pre-dispersed into NR using two-roll mill, after that the compound is blended with LDPE. The effects of filler incorporation routes on the morphological and tensile properties of prepare
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GEÇKİL, Tacettin, and Ceren Beyza İNCE. "EFFECT OF WASTE LDPE ON THE PERFORMANCE OF BITUMINOUS PAVEMENTS AGAINST WATER IMPACTS." Mühendislik Bilimleri ve Tasarım Dergisi 10, no. 2 (2022): 631–42. http://dx.doi.org/10.21923/jesd.928690.

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Bu çalışmada, bitümlü kaplamaların su etkilerine karşı performansı üzerinde atık düşük yoğunluklu polietilen (LDPE)’nin etkisi araştırılmıştır. Bunun için, bitüm ile LDPE arasında bir etkileşim sağlamak amacıyla saf B 70/100 bağlayıcısına bağlayıcı ağırlığının % 2,5 kadar trietanolamin (TEOA) eklenmiştir. Elde edilen, bitüm-TEOA harmanına bitüm ağırlığının % 1, 2, 3, 4 ve 5 oranlarında LDPE eklenerek modifiye bitümler elde edilmiştir. Saf ve modifiye bitüm numunelerinin fiziksel özellikleri geleneksel testlerle, bitüm-TEOA-LDPE arasındaki etkileşim ise kimyasal analizlerle belirlenmiştir. Daha
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45

Wiyogo, Ardi, Andi Syaiful Amal, and Alik Ansyori Alamsyah. "PENGARUH PEMAKAIAN PLASTIK LDPE SEBAGAI SUBSTITUSI ASPAL TERHADAP KARAKTERISTIK MARSHALL HRS-WC." Jurnal Gradasi Teknik Sipil 5, no. 1 (2021): 45–52. http://dx.doi.org/10.31961/gradasi.v5i1.1052.

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Salah satu cara meningkatkan mutu campuran beraspal adalah dengan menambah bahan aditif ke dalam aspal. Bahan aditif yang dipilih adalah plastik jenis LDPE. Pemilihan plastik ini karena kemudahan mendapatkan dan sebagai salah satu solusi mengurangi kerusakan lingkungan karena plastik. Penelitian ini diharapkan menjadi salah satu upaya untuk pengelolaan plastik dan menjadi acuan dalam mengamati karakteristik aspal yang diganti sebagian dengan LDPE. Analisa dilakukan dengan cara mencari terlebih dahulu KAO dari campuran aspal pen 60/70 HRS-WC. Dari hasil KAO (kadar aspal optimum) yang didapatkan
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Kajornprai, Todsapol, Rapisa Jarapanyacheep, Jatupat Saikaeo, Soodkhet Pojprapai, Kasama Jarukumjorn, and Tatiya Trongsatitkul. "Double Percolation of Poly(lactic acid)/Low-Density Polyethylene/Carbon Nanotube (PLA/LDPE/CNT) Composites for Force-Sensor Application: Impact of Preferential Localization and Mixing Sequence." Polymers 16, no. 13 (2024): 1906. http://dx.doi.org/10.3390/polym16131906.

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This study explores the enhancement of electrical conductivity in polymer composites by incorporating carbon nanotubes (CNTs) into a co-continuous poly(lactic acid)/low-density polyethylene (PLA/LDPE) blend, creating a double percolation structure. Theoretical thermodynamic predictions indicate that CNTs preferentially localize in the LDPE phase. The percolation threshold of CNTs in the PLA/LDPE/CNT composites was 0.208 vol% (5.56 wt%), an 80% reduction compared to the LDPE/CNT composite, due to the double percolation structure. This thermodynamic migration of CNTs from PLA to LDPE significant
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47

Sonu, Meena, and Rathore Harsh. "Enhancing Flexible Pavement Performance Using LDPE-Modified Bitumen: A Comprehensive Review." Journal of Structural Engineering, its Applications and Analysis 8, no. 2 (2025): 44–47. https://doi.org/10.5281/zenodo.15307729.

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<em>This review paper investigates the use of Low-Density Polyethylene (LDPE) as a bitumen modifier in flexible pavement construction. LDPE, derived from plastic waste, offers a sustainable solution for enhancing the rheological properties of bituminous mixes. Studies show that LDPE-modified bitumen improves the softening point, penetration index, ductility, and Marshall Stability value. Additionally, it enhances resistance to water damage, rutting, and cracking, extending pavement lifespan. Various processes, including dry and wet methods, have been analyzed for their effectiveness in uniform
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48

Cheng, Yujia, and Guang Yu. "The Research of Interface Microdomain and Corona-Resistance Characteristics of Micro-Nano-ZnO/LDPE." Polymers 12, no. 3 (2020): 563. http://dx.doi.org/10.3390/polym12030563.

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In this article, the melting blend was used to prepare the Micro-ZnO/LDPE, Nano-ZnO/LDPE and Micro-Nano-ZnO/LDPE with different inorganic particles contents. The effect of Micro-ZnO and Nano-ZnO particles doping on interface microdomain and corona-resistance breakdown characteristics of LDPE composite could be explored. Based on the energy transfer and heat exchange theory of energetic electrons, the inner electrons energy transfer model of different ZnO/LDPE composites was built. Besides, the microstructure and crystalline morphology of inorganic ZnO-particles and polymer composites were dete
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49

Tang, Ying, and Xian Ping Xia. "Improvement of the Hydrophilicity of Cu/LDPE Composite and its Influence on the Release of Cupric Ions." Materials Science Forum 745-746 (February 2013): 46–52. http://dx.doi.org/10.4028/www.scientific.net/msf.745-746.46.

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t is of great importance to improve the hydrophilicity of Cu/LDPE composite, a material for a new type of IUDs (Intrauterine Devices). The aim of the study is not only satisfying the biocompatibility of medical devices implanted in human bodies, but also improving the releasing rate of cupric ions. In this study, various hydrophilic materials (sodium chloride, anhydrous glucose and soluble starch) were added respectively, in order to improve the hydrophilicity of Cu/LDPE composite. The microstructure of Cu/LDPE composite was characterized, moreover, the influence of the addition of these hydro
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Dailin, Daniel Joe, Sitty Zhaqia Azzahra, Fahim Rithwan, et al. "Screening of Different Fungi Strains Gongronella sp. WICC F60 and Cordyceps sp. WICC F61 for Degradation of Low-Density Polyethylene." Journal of Bioprocessing and Biomass Technology 3, no. 1 (2024): 21–25. http://dx.doi.org/10.11113/bioprocessing.v3n1.46.

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Over the past decade, polyethylene (PE) products have become increasingly important in several industries. Their biggest concerns are plastic material degradation resistance and environmental longevity. Therefore, this study aims to find fungi that are capable of degrading low-density polyethylene (LDPE) efficiently. This study uses Gongronella sp. WICC F60, and Cordyceps sp., WICC F61. The fungi were grown on potato dextrose agar for 30 days. Following that, fungal colonies were placed in potato dextrose broth for incubation. The LDPE sample was then cultured with the fungal strain in a minim
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