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1

Tuan, Vu Manh, Da Woon Jeong, Ho Joon Yoon, et al. "Using Rutile TiO2Nanoparticles Reinforcing High Density Polyethylene Resin." International Journal of Polymer Science 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/758351.

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The TiO2nanoparticles were used as a reinforcement to prepare nanocomposites with high density polyethylene (HDPE) by melt blending process. The original TiO2(ORT) was modified by 3-glycidoxypropyltrimethoxysilane (GPMS) to improve the dispersion into HDPE matrix. The FT-IR spectroscopy and FESEM micrographs of modified TiO2(GRT) demonstrated that GPMS successfully grafted with TiO2nanoparticles. The tensile test of HDPE/ORT and HDPE/GRT nanocomposites with various contents of dispersive particles indicated that the tensile strength and Young’s modulus of HDPE/GRT nanocomposites are superior t
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2

Wang, Fei, Jiabin Yu, Lichao Liu, Ping Xue, and Ke Chen. "Influence of high-density polyethylene content on the rheology, crystal structure, and mechanical properties of melt spun ultra-high-molecular weight polyethylene/high-density polyethylene blend fibers." Journal of Industrial Textiles 53 (January 2023): 152808372211501. http://dx.doi.org/10.1177/15280837221150198.

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High-density polyethylene (HDPE) content significantly influences the structure and mechanical properties of ultrahigh molecular weight polyethylene (UHMWPE)/HDPE blend fibers. The molecular chain disentanglement and crystallization characteristics of as-spun filaments and fibers and how the structure affects the final mechanical properties of the fibers were thoroughly studied by adding different contents of HDPE. Dynamic mechanical analysis (DMA) and rheological analysis indicated that the molecular entanglement decreased with increasing HDPE content, improving the UHMWPE melt processability
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3

Ahmad, Mazatusziha, Mat Uzir Wahit, Mohammed Rafiq Abdul Kadir, Khairul Zaman Mohd Dahlan, and Mohammad Jawaid. "Thermal and mechanical properties of ultrahigh molecular weight polyethylene/high-density polyethylene/polyethylene glycol blends." Journal of Polymer Engineering 33, no. 7 (2013): 599–614. http://dx.doi.org/10.1515/polyeng-2012-0142.

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Abstract Blends of ultrahigh molecular weight polyethylene (UHMWPE) with high-density polyethylene (HDPE) provide adequate mechanical properties for biomedical application. In this study, the mechanical and thermal properties of UHMWPE/HDPE blends with the addition of polyethylene glycol (PEG) prepared via single-screw extruder nanomixer were investigated. The UHMWPE/HDPE blends exhibit a gradual increase in strength, modulus, and impact strength over pure polymers, suggesting synergism in the polymer blends. The elastic and flexural modulus was increased at the expense of tensile, flexural, a
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4

Zhu, Lien, Di Wu, Baolong Wang, Jing Zhao, Zheng Jin, and Kai Zhao. "Reinforcing high-density polyethylene by polyacrylonitrile fibers." Pigment & Resin Technology 47, no. 1 (2018): 86–94. http://dx.doi.org/10.1108/prt-03-2017-0030.

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Purpose The purpose of this paper is to find a new method to reinforce high-density polyethylene (HDPE) with polyacrylonitrile fibers (PAN). Furthermore, the crystallinity, viscoelasticity and thermal properties of HDPE composites have also been investigated and compared. Design/methodology/approach For effective reinforcing, samples with different content fillers were prepared. HDPE composites were prepared by melt blending with double-screw extruder prior to cutting into particles and the samples for testing were made using an injection molding machine. Findings With the addition of 9 Wt.% P
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Guo, Zhouchao, Xia Lan, and Ping Xue. "High-Precision Monitoring of Average Molecular Weight of Polyethylene Wax from Waste High-Density Polyethylene." Polymers 12, no. 1 (2020): 188. http://dx.doi.org/10.3390/polym12010188.

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High-density polyethylene (HDPE) is a major component of polyethylene waste, yet only under 29.9% of waste HDPE is recycled. As an important additive, polyethylene wax (PEW) is increasingly used in many industries such as plastics, dyes, and paints. The preparation of PEW has received considerable interest because recycling and precisely controllable production can bring huge economic benefits. In this study, to recycle waste HDPE, a single screw extruder was innovatively combined with a connecting pipe to prepare PEW from the pyrolysis of waste HDPE. Using a test platform, PEWs were prepared
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6

Zhu, Lien, Di Wu, Baolong Wang, et al. "Reinforcing high-density polyethylene by phenolic spheres." MATEC Web of Conferences 238 (2018): 05003. http://dx.doi.org/10.1051/matecconf/201823805003.

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Phenolic spheres are synthesized through resorcinol and formaldehyde. The phenolic spheres were blended with HDPE to prepare binary composites. The rheological properties and mechanical properties of the composites were studied. The composite materials have higher tensile strength and impact strength than pure HDPE, which extends the application of the material.
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7

Zhang, Lin, Libin Wang, Yujiao Shi, and Zhaobo Wang. "Dynamically vulcanized high-density polyethylene/nitrile butadiene rubber blends compatibilized by chlorinated polyethylene." Journal of Thermoplastic Composite Materials 32, no. 4 (2018): 454–72. http://dx.doi.org/10.1177/0892705718761557.

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Thermoplastic vulcanizates (TPVs) based on high-density polyethylene (HDPE)/nitrile butadiene rubber (NBR) blends were prepared by dynamic vulcanization where chlorinated polyethylene (CPE) was used as a compatibilizer. The effects of CPE on mechanical properties, Mullins effect, dynamic mechanical properties, and morphology of the blends were investigated systematically. Experimental results indicated that CPE had an excellent compatibilization on the HDPE/NBR blends. Dynamic mechanical analysis studies showed that the glass transition temperature of NBR phase was slightly shifted toward high
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8

Bataineh, Khaled M. "Life-Cycle Assessment of Recycling Postconsumer High-Density Polyethylene and Polyethylene Terephthalate." Advances in Civil Engineering 2020 (March 10, 2020): 1–15. http://dx.doi.org/10.1155/2020/8905431.

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This study aims to quantify the overall environmental performances of mechanical recycling of the postconsumer high-density polyethylene (HDPE) and polyethylene terephthalate (PET) in Jordan. The life-cycle assessment (LCA) methodology is used to assess the potential environmental impacts of recycling postconsumer PET and HDPE. It quantifies the total energy requirements, energy sources, atmospheric pollutants, waterborne pollutants, and solid waste resulting from the production of recycled PET and HDPE resin from the postconsumer plastic. System expansion and cut-off recycling allocation meth
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9

Seghier, T., and F. Benabed. "Dielectric Proprieties Determination of High Density Polyethylene (HDPE) by Dielectric Spectroscopy." International Journal of Materials, Mechanics and Manufacturing 3, no. 2 (2015): 121–24. http://dx.doi.org/10.7763/ijmmm.2015.v3.179.

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10

Karakuş, Kadir, Deniz Aydemir, Gokhan Gunduz, and Fatih Mengeloğlu. "Heat-Treated Wood Reinforced High Density Polyethylene Composites." Drvna industrija 72, no. 3 (2021): 219–29. http://dx.doi.org/10.5552/drvind.2021.1971.

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This study investigated the effect of untreated and heat-treated ash and black pine wood flour concentrations on the selected properties of high density polyethylene (HDPE) composites. HDPE and wood flour were used as thermoplastic matrix and filler, respectively. The blends of HDPE and wood fl our were compounded using single screw extruder and test samples were prepared through injection molding. Mechanical properties like tensile strength (TS), tensile modulus (TM), elongation at break (EatB), fl exural strength (FS), fl exural modulus (FM) and impact strength (IS) of manufactured composite
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11

Asriza, Ristika O., and Janiar Pitulima. "Fotodegradasi High Density Polyethylene Yang Mengandung Aditif Okso-Biodegradasi." Indo. J. Chem. Res. 4, no. 2 (2017): 402–5. http://dx.doi.org/10.30598//ijcr.2017.4-ris1.

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High Density Polyethylene (HDPE) is a type of plastic that widely used for packaging because it has good mechanical properties. HDPE is naturally non-biodegradable, and the consequence it will increase plastic waste that will damage the environment. To increase their biodegradability, it is necessary to add an oxo-biodegradation additive in the form of a stearate metal compound. This oxo-biodegradation additive is a chromophore that can absorb UV light. Polyethylene oxo-biodegradation films are prepared by mixing HDPE and cobalt stearate to homogeneous on various compositions. To know the effe
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12

Asriza, Ristika O., and Janiar Pitulima. "Fotodegradasi High Density Polyethylene Yang Mengandung Aditif Okso-Biodegradasi." Indonesian Journal of Chemical Research 4, no. 2 (2017): 402–5. http://dx.doi.org/10.30598/ijcr.2017.4-ris1.

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High Density Polyethylene (HDPE) is a type of plastic that widely used for packaging because it has good mechanical properties. HDPE is naturally non-biodegradable, and the consequence it will increase plastic waste that will damage the environment. To increase their biodegradability, it is necessary to add an oxo-biodegradation additive in the form of a stearate metal compound. This oxo-biodegradation additive is a chromophore that can absorb UV light. Polyethylene oxo-biodegradation films are prepared by mixing HDPE and cobalt stearate to homogeneous on various compositions. To know the effe
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13

KUMAWAT, V. S., J. P. BHATT, D. SHARMA, S. C. AMETA, and R. AMETA. "Photocatalytic Degradation of High Density Polyethylene using CaO Nanocatalyst." Asian Journal of Chemistry 32, no. 9 (2020): 2293–97. http://dx.doi.org/10.14233/ajchem.2020.22762.

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The photodegradation of high density polyethylene (HDPE) using CaO nanoparticles as a catalyst was carried out using 500 W lamp. After exposure, morphology as well as thermal properties of the HDPE was investigated by scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). SEM results showed that the HDPE is more prone to crack into small fragments, which indicated a rise in crystallinity with different amounts of catalyst i.e. CaO nanoparticles. The DSC results confirmed the remarkable influence of photodegradation on degree of crystallinity (XC%), fusion enthalpy (ΔH
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14

Nakatani, Hisayuki, Teruyuki Yamaguchi, Mika Asano, et al. "Differences in Nanoplastic Formation Behavior Between High-Density Polyethylene and Low-Density Polyethylene." Molecules 30, no. 2 (2025): 382. https://doi.org/10.3390/molecules30020382.

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High-Density Polyethylene (HDPE) and Low-Density Polyethylene (LDPE) films were used to create nanoplastic (NP) models, with the shape of delamination occurring during degradation. In the case of HDPE, selective degradation occurred not only in the amorphous part, but also in the crystalline part at the same time. Some of the lamellae that extend radially to form the spherulite structure were missing during the 30-day degradation. The length of these defects was less than 1 µm. HDPE disintegrated within units of spherulite structure by conformational defects in lamellae, and the size of the fr
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15

Yakubu, Rahimat Oyiza, Abdulazeez A. Abdulazeez, Hammed Yusuf, Abdulhanan Bello, J. S. Esimi, and Tawakalitu AbdulRasheed. "KINETICS OF THE PYROLYSIS OF HIGH-DENSITY POLYETHYLENE, LOW-DENSITY POLYETHYLENE, STYROFOAM AND THEIR BLENDS." International Journal of Renewable Energy Resources 14, no. 1 (2024): 1–13. https://doi.org/10.22452/ijrer.vol14no1.1.

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The pyrolysis characteristics of High-Density Polyethylene (HDPE), Low-Density Polyethylene (LDPE), Styrofoam (STF), and their blends were investigated to compare the process of the pure components with those of the blends. Thermogravimetric analysis (TGA) was employed to monitor the mass loss of the plastic samples during heating, providing critical insights into their thermal degradation behaviour. The pyrolysis kinetics were further examined using a multi-step integral method to determine the reactivities and activation energies of the materials. The results revealed that the pyrolysis proc
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16

Fu, Xin, Hui Fang Gong, and Xi Mei Xiao. "Facile Method to Prepare Superhydrophobic High-Density Polyethylene Coating." Advanced Materials Research 634-638 (January 2013): 2960–63. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.2960.

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A superhydrophobic HDPE coating was obtained by a facile but yet effective way. The water contact angle and sliding angle of the superhydrophobic HDPE coating were 156±1.9ºand 3±1.6º, respectively. The HDPE coating was still superhydrophobic contacting with acid, alkali, salt aqueous solutions.
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17

Yuan, Shi-Fang, Luyao Wang, Yi Yan, et al. "4,4′-Dimethoxybenzhydryl substituent augments performance of bis(imino)pyridine cobalt-based catalysts in ethylene polymerization." RSC Advances 12, no. 25 (2022): 15741–50. http://dx.doi.org/10.1039/d2ra01547a.

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Employing ligands with 4,4′-dimethoxybenzhydryl groups, the cobalt precatalysts display high activities toward ethylene polymerization and produce highly linear polyethylenes, the high density polyethylene (HDPE).
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18

Ma, Zheng Lu, Jui Chin Chen, Chi Hui Tsou, Yan Mei Wang, Xin Yuan Tian, and Chen Gao. "Mechanical Properties and Hydrophilicity of High-Density Polyethylene/Attapulgite Composites." Materials Science Forum 1047 (October 18, 2021): 3–8. http://dx.doi.org/10.4028/www.scientific.net/msf.1047.3.

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High-density polyethylene (HDPE) is used as the matrix and attapulgite (ATT) is used as the reinforcing phase. HDPE/ATT nanocomposites are prepared by melt blending. The effect of ATT content on the mechanical properties, water absorption and morphology of HDPE/ATT composites was studied. The results show that adding a small amount of ATT can improve the mechanical properties of HDPE, but excessive addition will reduce the mechanical properties of HDPE. The water absorption and contact angle test results show that as the ATT content increases, the composite material becomes more and more hydro
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19

Bekhta, Pavlo, and Ján Sedliačik. "Environmentally-Friendly High-Density Polyethylene-Bonded Plywood Panels." Polymers 11, no. 7 (2019): 1166. http://dx.doi.org/10.3390/polym11071166.

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Thermoplastic films exhibit good potential to be used as adhesives for the production of veneer-based composites. This work presents the first effort to develop and evaluate composites based on alder veneers and high-density polyethylene (HDPE) film. The effects of hot-pressing temperature (140, 160, and 180 °C), hot-pressing pressure (0.8, 1.2, and 1.6 MPa), hot-pressing time (1, 2, 3, and 5 min), and type of adhesives on the physical and mechanical properties of alder plywood panels were investigated. The effects of these variables on the core-layer temperature during the hot pressing of mul
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20

Miller, Charles E. "Use of Near-Infrared Spectroscopy to Determine the Composition of High-Density/Low-Density Polyethylene Blend Films." Applied Spectroscopy 47, no. 2 (1993): 222–28. http://dx.doi.org/10.1366/0003702934048370.

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The ability of near-infrared (NIR) spectroscopy, combined with principal component regression (PCR), to nondestructively determine the blend ratio of high-density polyethylene (HDPE) and low-density polyethylene (LDPE) in extruded films is demonstrated. Results indicate that the NIR spectrum in the region 2100 to 2500 nm can be used to determine the HDPE mass percentage of 60–80- μm-thick film samples to within 2.5%, over a range of 0 to 100%. NIR spectral effects from scattering are important for the determination of the HDPE % for HDPE contents above 50%, and spectral effects from changes in
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21

Basir, Muhammad, Lukas Kano Mangalla, and Raden Rinova Sisworo. "Potensi Pemanfaatan Serbuk Plastik Dan Biomassa Sebagai Bahan Bakar Alternatif." Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin 8, no. 1 (2023): 19. http://dx.doi.org/10.55679/enthalpy.v8i1.29820.

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Every year the use of fossil fuels has increased, which requires finding alternative energy sources to replace fossil fuels. The existence of plastic waste, especially HDPE plastic and rice husks, is a potential to be used as renewable energy in the form of briquettes. This research was conducted to determine the potential use of plastic powder and biomass as an alternative fuel. The biomass used in this research is rice husk and HDPE plastic. To determine the quality of briquettes, several variations of the mixture of rice husks were used, namely: sample 1 = 90% rice husk + 10% High Density P
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22

Qi, Fang Juan, Li Xing Huo, You Feng Zhang, and Hong Yang Jing. "Study on Fracture Properties of High-Density Polyethylene (HDPE) Pipe." Key Engineering Materials 261-263 (April 2004): 153–58. http://dx.doi.org/10.4028/www.scientific.net/kem.261-263.153.

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Butt-fusion welding is the main technology to join high-density polyethylene (HDPE) plastic pipes, which are widely used in transport the water, gas and corrosive liquid. Investigation shows that one of the failure modes of HDPE pipe is the crack slowly grows across the thick direction and leads to failure at last, so that it is very important to study the resistance to crack initiation of HDPE pipe and its butt-fusion welded joint. In this study, the elastic-plastic fracture mechanics parameter, crack opening displacement (COD) is used to describe the fracture initiation behaviors for the HDP
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23

Sewda, Kamini, and S. N. Maiti. "Effect of bark flour on viscoelastic behavior of high density polyethylene." Journal of Composite Materials 45, no. 9 (2010): 1007–16. http://dx.doi.org/10.1177/0021998310383727.

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The dynamic mechanical behavior of high density polyethylene (HDPE) in HDPE/bark flour (BF) composites on varying the volume fraction (Φf) of BF (filler) from 0 to 0.26 has been studied. The storage modulus decreases with increase in BF content up to Φf = 0.07, which is attributed to a pseudolubricating effect by the filler. The storage modulus for the composites at Φ f = 0.20 is higher than HDPE in all other temperature zones due to enhanced mechanical restraint by the dispersed phase. At Φf = 0.07, the loss moduli were either marginally lower or similar to that of HDPE, which is due to the b
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24

Chipara, Mircea, Brian Jones, Dorina M. Chipara, et al. "On orientation memory in high density polyethylene – carbon nanofibers composites." e-Polymers 17, no. 4 (2017): 303–10. http://dx.doi.org/10.1515/epoly-2016-0286.

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AbstractAn orientation memory effect in high density polyethylene (HDPE) filled with vapor grown carbon nanofibers (VGCNF) is reported. Two-dimensional X-ray (2DXR) confirmed the reorientation of HDPE crystallites upon the uniaxial stretching of HDPE and HDPE filled by VGCNFs. This anisotropy of 2DXR spectra was decreased by heating all stretched samples (loaded or not loaded by VGCNFs) from room to the melting temperature of HDPE. Upon cooling these samples to room temperature, it was noticed that only the nanocomposite retained a weak partial (uniaxial) order, while HDPE showed a completely
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25

Salakhov, Ildar I., Nadim M. Shaidullin, Anatoly E. Chalykh, et al. "Low-Temperature Mechanical Properties of High-Density and Low-Density Polyethylene and Their Blends." Polymers 13, no. 11 (2021): 1821. http://dx.doi.org/10.3390/polym13111821.

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Low-temperature properties of high-density polyethylene (HDPE), low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), and their blends were studied. The analyzed low-temperature mechanical properties involve the deformation resistance and impact strength characteristics. HDPE is a bimodal ethylene/1-hexene copolymer; LDPE is a branched ethylene homopolymer containing short-chain branches of different length; LLDPE is a binary ethylene/1-butene copolymer and an ethylene/1-butene/1-hexene terpolymer. The samples of copolymers and their blends were studied by gel permeation ch
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26

Miao, Weijun, Hao Zhu, Tianchen Duan, et al. "High-density polyethylene crystals with double melting peaks induced by ultra-high-molecular-weight polyethylene fibre." Royal Society Open Science 5, no. 7 (2018): 180394. http://dx.doi.org/10.1098/rsos.180394.

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High-density polyethylene (HDPE)/ultra-high-molecular-weight polyethylene (UHMWPE) fibre composites were prepared via solution crystallization to investigate the components of epitaxial crystal growth on a highly oriented substrate. Scanning electron microscopy morphologies of HDPE crystals on UHMWPE fibres revealed that the edge-on ribbon pattern crystals that were formed initially on UHMWPE fibres converted afterwards to a sheet shape as crystallization progressed. Wide-angle X-ray diffraction confirmed that the polymer chain oriented along the fibre axis and the orthorhombic crystal form of
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27

Sadeghi, Peyman, Ahmad Goli, and Elham Fini. "Carbon Sequestration via Bituminous Composites Containing Recycled High-Density Polyethylene." Journal of Composites Science 8, no. 3 (2024): 100. http://dx.doi.org/10.3390/jcs8030100.

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This paper presents an innovative bituminous composite containing recycled high-density polyethylene (HDPE) as a means of carbon sequestration. To prepare the composite, rejuvenators and recycled HDPE were introduced to reclaimed asphalt pavement (RAP), separately and in combination. To evaluate efficacy of rejuvenators, this study used the following three rejuvenators: waste engine oil (WEO), oleic acid (OA), and vacuum bottom (VB). The performance of the bituminous composite containing HDPE and rejuvenators was evaluated using the indirect tensile fatigue test, the rutting resistance test, t
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28

Hendrayana, Agus, Riza Susanti, and Shifa Fauziyah. "Pemanfaatan Limbah High Density Polyetylene (HDPE) Geomembrane Sebagai Campuran Beton Normal." Jurnal Sipil dan Arsitektur 2, no. 2 (2024): 25–34. http://dx.doi.org/10.14710/pilars.2.2.2024.25-34.

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High-Density Polyethylene (HDPE) is a thermoplastic polymer material processed by the heating process of petroleum. One processed product is geomembrane sheets, commonly used to construct ponds in geothermal areas. This Final Project researched High-Density Polyethylene geomembrane waste as an additional material mixed into ordinary or everyday concrete mixtures with fc' = 25 MPa quality. The added waste material from the geomembrane (HDPE) is 0.5 x 0.5 cm and has been cut or chopped with a particular machine. High-density polyethylene (HDPE) content is included in the mixture in regular concr
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29

Lomovskoy, Viktor A., and Svetlana A. Shatokhina. "Relaxation Phenomena in Low-Density and High-Density Polyethylene." Polymers 16, no. 24 (2024): 3510. https://doi.org/10.3390/polym16243510.

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A study was conducted on the internal friction spectra and temperature dependencies of the frequency of free damped oscillatory processes excited in the investigated samples of low-density polyethylene (LDPE) and high-density polyethylene (HDPE) over a temperature range from −150 °C to +150 °C. It was found that the internal friction spectra exhibit several local dissipative processes of varying intensity, which manifest in different temperature intervals. The structure of the internal friction spectra and the peaks of dissipative losses are complex, as evidenced by the occurrence of sharp, lo
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30

Dany, Ho, Wong Whui Dhong, Koh Weng Jiata, Tan Kiant Leong, Nor Yuliana Yuhana, and Gilbert Tan. "Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes." Materiale Plastice 58, no. 3 (2021): 129–36. http://dx.doi.org/10.37358/mp.21.3.5511.

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The recycling of high-density polyethylene plastic (HDPE) plays a crucial role in sustainable development. However, obstacles to the use of recycled HDPE remain because of the material and processing properties and odors of recycled HDPE. The odor of recycled detergent bottle plastic leads to rejection by most detergent manufacturers. Recently, some recycling enterprises have adapted recycling with odor reduction processes involving the use of solvents, antimicrobial additives, and odor extraction units in feeders and extruders. However, these processes may affect the quality and cost of recyc
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31

Dany, Ho, Wong Whui Dhong, Koh Weng Jiata, Tan Kiant Leong, Nor Yuliana Yuhana, and Gilbert Tan. "Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes." Materiale Plastice 58, no. 3 (2021): 129–36. http://dx.doi.org/10.37358/mp.21.3.5511.

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The recycling of high-density polyethylene plastic (HDPE) plays a crucial role in sustainable development. However, obstacles to the use of recycled HDPE remain because of the material and processing properties and odors of recycled HDPE. The odor of recycled detergent bottle plastic leads to rejection by most detergent manufacturers. Recently, some recycling enterprises have adapted recycling with odor reduction processes involving the use of solvents, antimicrobial additives, and odor extraction units in feeders and extruders. However, these processes may affect the quality and cost of recyc
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32

Jensen, Michael D. "Catalysis in high density polyethylene (HDPE) manufacturing." Applied Catalysis A: General 542 (July 2017): 389–90. http://dx.doi.org/10.1016/j.apcata.2016.12.013.

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33

Dusunceli, Necmi, and Ozgen U. Colak. "High density polyethylene (HDPE): Experiments and modeling." Mechanics of Time-Dependent Materials 10, no. 4 (2007): 331–45. http://dx.doi.org/10.1007/s11043-007-9026-5.

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34

Eze, Innocent Ochiagha, Isaac O. Igwe, Okoro Ogbobe, Emmanuel Enyioma Anyanwu, and Ikenna Nwachukwu. "Mechanical Properties of Pineapple Leaf Powder Filled High Density Polyethylene." International Journal of Engineering and Technologies 9 (December 2016): 13–19. http://dx.doi.org/10.18052/www.scipress.com/ijet.9.13.

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The effects of pineapple leaf powder (PALP) on the mechanical properties of high density polyethylene (HDPE) composites were studied. HDPE and PALP composites were prepared by injection moulding technique. The filler (PALP) contents investigated were 2, 4, 6, 8, and 10 wt% for each formulation. Results of the mechanical tests carried out on the HDPE/PALP composites showed that the tensile strength, tensile modulus, flexural strength, abrasion resistance, and hardness of the composites increased with increases in filler content for all the filler contents investigated while the elongation at br
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35

Eze, Innocent Ochiagha, Isaac O. Igwe, Okoro Ogbobe, Emmanuel Enyioma Anyanwu, and Ikenna Nwachukwu. "Mechanical Properties of Pineapple Leaf Powder Filled High Density Polyethylene." International Journal of Engineering and Technologies 9 (December 23, 2016): 13–19. http://dx.doi.org/10.56431/p-28h979.

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The effects of pineapple leaf powder (PALP) on the mechanical properties of high density polyethylene (HDPE) composites were studied. HDPE and PALP composites were prepared by injection moulding technique. The filler (PALP) contents investigated were 2, 4, 6, 8, and 10 wt% for each formulation. Results of the mechanical tests carried out on the HDPE/PALP composites showed that the tensile strength, tensile modulus, flexural strength, abrasion resistance, and hardness of the composites increased with increases in filler content for all the filler contents investigated while the elongation at br
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36

Sharma, Sakshi, Nupur Mathur, Anuradha Singh, and Maithili Agarwal. "Biodegradation of Low- and High-Density Polyethylene Films by Microbacterium Barkeri Sh20." Current World Environment 17, no. 1 (2022): 245–54. http://dx.doi.org/10.12944/cwe.17.1.22.

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Polyethylene waste contamination is one of the most concerning environmental issues not only in India but also in world. Microbial degradation is one of the safest and environment friendly process to degrade polyethylene among other major types degradation methods such as thermo-oxidative degradation and photo-degradation. The present research focused on the isolation, enrichment, and characterization of polyethylene-utilizing bacteria, not screen as far for biodegradation, and evaluation of its degrading capacity on polyethylene. A bacterial strain (TN2) was isolated from a motor-oil contamin
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Ito, Asae, Akid Ropandi, Koichi Kono, Yusuke Hiejima, and Koh-hei Nitta. "Additive Effects of Solid Paraffins on Mechanical Properties of High-Density Polyethylene." Polymers 15, no. 5 (2023): 1320. http://dx.doi.org/10.3390/polym15051320.

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In this work, two types of solid paraffins (i.e., linear and branched) were added to high-density polyethylene (HDPE) to investigate their effects on the dynamic viscoelasticity and tensile properties of HDPE. The linear and branched paraffins exhibited high and low crystallizability, respectively. The spherulitic structure and crystalline lattice of HDPE are almost independent of the addition of these solid paraffins. The linear paraffin in the HDPE blends exhibited a melting point at 70 °C in addition to the melting point of HDPE, whereas the branched paraffins showed no melting point in the
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Suksiripattanapong, Cherdsak, Khanet Uraikhot, Sermsak Tiyasangthong, et al. "Performance of Asphalt Concrete Pavement Reinforced with High-Density Polyethylene Plastic Waste." Infrastructures 7, no. 5 (2022): 72. http://dx.doi.org/10.3390/infrastructures7050072.

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This research investigates the possibility of using high-density polyethylene (HDPE) plastic waste to improve the properties of asphalt concrete pavement. HDPE plastic waste contents of 1, 3, 5, and 7% by aggregate weight were used. HDPE plastic waste=stabilized asphalt concrete pavement (HDPE-ACP) was evaluated by performance testing for stability, indirect tensile strength, resilient modulus (MR), and indirect tensile fatigue (ITF). In addition, microstructure, pavement age, and CO2 emissions savings analyses were conducted. The performance test results of the HDPE-ACP were better than those
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39

Kumar, Sachin, and R. K. Singh. "Thermolysis of High-Density Polyethylene to Petroleum Products." Journal of Petroleum Engineering 2013 (May 30, 2013): 1–7. http://dx.doi.org/10.1155/2013/987568.

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Thermal degradation of plastic polymers is becoming an increasingly important method for the conversion of plastic materials into valuable chemicals and oil products. In this work, virgin high-density polyethylene (HDPE) was chosen as a material for pyrolysis. A simple pyrolysis reactor system has been used to pyrolyse virgin HDPE with an objective to optimize the liquid product yield at a temperature range of 400°C to 550°C. The chemical analysis of the HDPE pyrolytic oil showed the presence of functional groups such as alkanes, alkenes, alcohols, ethers, carboxylic acids, esters, and phenyl
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Ritter de Souza Barnasky, Ricardo, Alexsandro Bayestorff da Cunha, Amanda Dantas de Oliveira, et al. "High density polyethylene matrix composite as reinforcing agent in medium density fiberboards." Journal of Composite Materials 54, no. 28 (2020): 4369–85. http://dx.doi.org/10.1177/0021998320931913.

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This work provides a study about the incorporation of a high density polyethylene (HDPE) matrix composite in medium density fiberboards (MDF). A composite was processed in a single screw extruder with 5% of Pinus spp fibers in a HDPE matrix and applied as reinforcing agent in MDFs, as well as pure HDPE, in 11 different variations, using 12% of urea-formaldehyde resin and nominal density of 750 kg.m−3. The composite and the pure HDPE were analyzed by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The DSC results showed that both
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Navratil, Jan, Miroslav Manas, Michal Stanek, David Manas, Martin Bednarik, and Ales Mizera. "Hardness/Microhardness Properties of HDPE Blends." Key Engineering Materials 662 (September 2015): 181–84. http://dx.doi.org/10.4028/www.scientific.net/kem.662.181.

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This paper deals with utilization of recycled irradiated high-density polyethylene (rHDPEx) as a filler which was blended with non-modified high-density polyethylene (HDPE). Two blends were tested regarding the original state of the mixing components – HDPE granules/rHDPExgrit and HDPE granules/rHDPExpowder. Results show that the increasing amount of the rHDPEx, regardless its form, results in worsening both observed parameters – hardness and micro-indentation hardness.
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Madhu, Gaurav, Haripada Bhunia, Pramod K. Bajpai, and Veena Chaudhary. "Mechanical and morphological properties of high density polyethylene and polylactide blends." Journal of Polymer Engineering 34, no. 9 (2014): 813–21. http://dx.doi.org/10.1515/polyeng-2013-0174.

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Abstract Polyblend films were prepared from high-density polyethylene (HDPE) and poly(l-lactic acid) (PLLA) up to 20% PLLA by the melt blending method in an extrusion mixer with post-extrusion blown film attachment. The 80/20 (HDPE/PLLA) blend was compatibilized with maleic anhydride grafted polyethylene (PE-g-MA) in varying ratios [up to 8 parts per hundred of resin (phr)]. Tensile properties of the films were evaluated to obtain optimized composition for packaging applications of both non-compatibilized and compatibilized blends. The compositions HDPE80 (80% HDPE and 20% PLLA) and HD80C4 (80
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Mizera, Ales, Lovre Krstulovic-Opara, Nina Krempl, et al. "Dynamic Behavior of Thermally Affected Injection-Molded High-Density Polyethylene Parts Modified by Accelerated Electrons." Polymers 14, no. 22 (2022): 4970. http://dx.doi.org/10.3390/polym14224970.

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Polyethylenes are the most widely used polymers and are gaining more and more interest due to their easy processability, relatively good mechanical properties and excellent chemical resistance. The disadvantage is their low temperature stability, which excludes particular high-density polyethylenes (HDPEs) for use in engineering applications where the temperature exceeds 100 °C for a long time. One of the possibilities of improving the temperature stability of HDPE is a modification by accelerated electrons when HDPE is cross-linked by this process and it is no longer possible to process it li
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Pham, Nga Thi-Hong, and Van-Thuc Nguyen. "Morphological and Mechanical Properties of Poly (Butylene Terephthalate)/High-Density Polyethylene Blends." Advances in Materials Science and Engineering 2020 (December 14, 2020): 1–9. http://dx.doi.org/10.1155/2020/8890551.

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Poly (butylene terephthalate) (PBT) is a popular thermoplastic polyester resin but has low strength and low melting point. To improve its properties, PBT is often mixed with other resins, such as high-density polyethylene (HDPE). In this study, PBT/HDPE samples with 100% PBT, 5%, 10%, 15%, and 100% HDPE are generated and tested. The samples are analyzed by tensile strength, flexural strength, impact strength, and SEM tests. Adding HDPE will reduce tensile strength compared to pure PBT, in which 5%, 10%, and 15% PBT/HDPE samples obtain the values 40.23, 38.11, and 27.77 MPa, respectively. These
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Habeeb, Majeed Ali, and Ahmed Hamza Abbas. "Effect of High Density Polyethylene (HDPE) on Structural and Optical Properties of (PP/PMMA) Blends." International Letters of Chemistry, Physics and Astronomy 60 (September 2015): 94–106. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.60.94.

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In the present work, Polypropylene (PP) was blended with poly methyl methacrylate (PMMA) to form (PP/PMMA) polymer blends. High Density Polyethylene (HDPE) was mixed into these blends at different weight fractions (2,4,6,8) % wt to form (PP/PMMA/HDPE) blends were prepared using an one screw extruder. results obtained from Scanning Electron Microscopy (SEM) revealed that there was a reduction in surface roughness any decrease in clusters, drilling and bends, as for Fourier Transform Infrared (FT-IR) spectrometry showed no change in the wave numbers of the functional groups. The optical properti
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Habeeb, Majeed Ali, and Ahmed Hamza Abbas. "Effect of High Density Polyethylene (HDPE) on Structural and Optical Properties of (PP/PMMA) Blends." International Letters of Chemistry, Physics and Astronomy 60 (September 30, 2015): 94–106. http://dx.doi.org/10.56431/p-j50ceu.

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In the present work, Polypropylene (PP) was blended with poly methyl methacrylate (PMMA) to form (PP/PMMA) polymer blends. High Density Polyethylene (HDPE) was mixed into these blends at different weight fractions (2,4,6,8) % wt to form (PP/PMMA/HDPE) blends were prepared using an one screw extruder. results obtained from Scanning Electron Microscopy (SEM) revealed that there was a reduction in surface roughness any decrease in clusters, drilling and bends, as for Fourier Transform Infrared (FT-IR) spectrometry showed no change in the wave numbers of the functional groups. The optical properti
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Albano, C., G. Sanchez, A. Ismayel, and P. Hernández. "Recovery of Plastic Low-Density Polyethylene/High-Density Polyethylene (LDPE/HDPE) Wastes." International Journal of Polymer Analysis and Characterization 5, no. 2 (1999): 109–26. http://dx.doi.org/10.1080/10236669908014178.

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48

Tyubaeva, Polina M., Mikhail A. Tyubaev, Vyacheslav V. Podmasterev, Anastasia V. Bolshakova, and Olga V. Arzhakova. "Hydrophilization of Hydrophobic Mesoporous High-Density Polyethylene Membranes via Ozonation." Membranes 12, no. 8 (2022): 733. http://dx.doi.org/10.3390/membranes12080733.

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This work addresses hydrophilization of hydrophobic mesoporous membranes based on high-density polyethylene (HDPE) via ozonation. Mesoporous HDPE membranes were prepared by intercrystallite environmental crazing. Porosity was 50%, and pore dimensions were below 10 nm. Contact angle of mesoporous membranes increases from 96° (pristine HDPE) to 120° due to the formation of nano/microscale surface relief and enhanced surface roughness. The membranes are impermeable to water (water entry threshold is 250 bar). The prepared membranes were exposed to ozonation and showed a high ozone uptake. After o
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ANUM, Iorwuese, Adole Michael ADOLE, Umar ABDULLAHI, and Fredrick Olorunmeye JOB. "Water Permeability Properties of Concrete Containing Waste High Density Polyethylene." Journal of Environmental Sciences (JOES) 22, no. 1 (2023): 55–63. https://doi.org/10.5281/zenodo.13294128.

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<em>Incorporation of waste materials such as plastics into concrete has become one of the most common techniques of sustainable waste disposal while enhancing concrete quality. This study aims to evaluate the permeability properties of concrete containing High Density Polyethylene (HDPE) that has been pulverised and chemically treated with 20% hydrogen peroxide before being used as an admixture in concrete. Concrete cubes were prepared using 150mm3 steel moulds adopting the Building Research Establishment (BRE) mix design method. The pulverised and treated HDPE was added in percentages of (0,
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Obasi, Henry C. "Properties of Raphia Palm Interspersed Fibre Filled High Density Polyethylene." Advances in Materials Science and Engineering 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/932143.

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Blends of nonbiodegradable and biodegradable polymers can promote a reduction in the volume of plastic waste when they undergo partial degradation. In this study, properties of raphia palm interspersed fibre (RPIF) filled high density polyethylene (HDPE) have been investigated at different levels of filler loadings, 0 to 60 wt.%. Maleic anhydride-graft polyethylene was used as a compatibilizer. Raphia palm interspersed fibre was prepared by grinding and sieved to a particle size of 150 µm. HDPE blends were prepared in a corotating twin screw extruder. Results showed that the tensile strength a
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