Relevant bibliographies by topics / High density polyethylene (HDPE)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'High density polyethylene (HDPE)'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 October 2024

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Journal articles on the topic "High density polyethylene (HDPE)"

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Tuan, Vu Manh, Da Woon Jeong, Ho Joon Yoon, SangYong Kang, Nguyen Vu Giang, Thai Hoang, Tran Ich Thinh, and Myung Yul Kim. "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 to the values of original HDPE and HDPE/ORT nanocomposites. At 1 wt.% of GRT, the mechanical properties of nanocomposites were optimal. In DSC and TGA analyses, with the presence of GRT in the nanocomposites, the thermal stability significantly increased in comparison with pure HDPE and HDPE/ORT nanocomposites. The better dispersion of GRT in polymer matrix as shown in FESEM images demonstrated the higher mechanical properties of HDPE/GRT nanocomposites to HDPE/ORT nanocomposites.
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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. Sound velocity orientation (SVO) studies indicated that the UHMWPE/HDPE as-spun filaments and fibers with an HDPE content of 40 wt% (U6H4) had a higher molecular chain orientation level. Furthermore, differential scanning calorimetry (DSC) and wide-angle X-ray diffraction (WAXD) analyses indicated that U6H4 had the highest crystallinity and the thinnest grains in the axial direction, respectively. The compact crystal structure and fully stretched molecular chains of U6H4 yielded the best mechanical properties. The present work disclosed the effect mechanism of HDPE contents on the preparation and properties of UHMWPE/HDPE fibers, which provided an effective and universal strategy for manufacturing high-strength UHMWPE/HDPE fibers with the melt spinning method.
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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 (October 1, 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, and impact strength for the blends containing PEG. The degradation temperature of UHMWPE was improved with the incorporation of HDPE due to good thermal stability of HDPE. HDPE improved the dispersibility of PEG in matrix, consequently reduced the surface area available for the kinetic effects, and reduced the degradation temperature. The morphology analysis confirmed the miscibility between UHMWPE and HDPE and the changes in polymer structure with the presence of PEG modify the thermal behavior of the blends. The mechanical properties of the blends that are underlying values for the design of implant material show the potential used as biomedical devices.
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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 (January 2, 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.% PAN fibers, it was found that the tensile strength and flexural modulus got the maximum value in all HDPE composites and increased by 1.2 times than pure HDPE. The shore hardness, storage modulus and vicat softening point of the composites improved continuously with the increase in the proportion of the fibers. The thermal stability and processability of composites did not change rapidly with the addition of PAN fibers. The degree of crystallinity increased with the addition of PAN fibers. In general, the composites achieve the best comprehensive mechanical properties with the fiber content of 9 Wt.%. Practical implications The fibers improve the strength of the polyethylene and enhance its ability to resist deformation. Originality/value The modified HDPE by PAN fibers in this study have high tensile strength and resistance to deformation and can be used as an efficient material in engineering, packaging and automotive applications.
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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 (January 10, 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 under different pyrolysis temperatures and screw speeds, and corresponding number-average molecular weights (NAMWs) of PEWs were measured. To precisely monitor NAMW of PEW, a program was developed in MATLAB. First, the relationship between NAMW and pyrolysis ratio was obtained, and a measure-point-independence verification was conducted. Then, modified Arrhenius equations and time-dependent pyrolysis temperature were for the first time introduced into the HDPE pyrolysis model. Furthermore, the screw-speed-dependent inverse method was proposed and validated for high-precision monitoring of NAMW of PEW from the pyrolysis of waste HDPE by extrusion. PEW of desired molecular weight was able to be precisely obtained from waste HDPE.
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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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Zhu, Lien, Di Wu, Baolong Wang, Jing Zhao, Meihua Liu, Zheng Jin, and Kai Zhao. "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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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 (February 28, 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 higher temperature with the CPE incorporation, leading to the increasing interface compatibility. Mullins effect results showed that the compatibilized HDPE/NBR blend had relatively lower residual deformation and internal friction than that of HDPE/NBR blend, indicating the improvement of elasticity. Morphology studies showed that the size of the NBR particles was decreased with the existence of CPE; moreover, the fracture surface of HDPE/CPE/NBR TPV was relatively smoother than that of HDPE/NBR blend.
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Karakuş, Kadir, Deniz Aydemir, Gokhan Gunduz, and Fatih Mengeloğlu. "Heat-Treated Wood Reinforced High Density Polyethylene Composites." Drvna industrija 72, no. 3 (July 22, 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 composites were determined. Wood fl our concentrations have significantly increased density, FS, TM and FM and hardness of composites while reducing TS, EatB and IS. Heat-treated ash and black pine fl our reinforced HDPE composites had higher mechanical properties than untreated ones. Composites showed two main decomposition peaks; one coming from ash wood flour (353-370 °C) and black pine wood fl our (373-376 °C), the second one from HDPE degradation (469-490 °C). SEM images showed improved dispersion of heat-treated ash and black pine wood flour. The obtained results showed that both the untreated and heat-treated ash/black pine wood flour have an important potential in the manufacture of HDPE composites.
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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 methods are applied. The analysis has been carried out according to the LCA standard, series UNI EN ISO 14040-14044:2006. A standard unit of output (functional unit) is defined as “one ton of PET flake” and “one ton of HDPE pellet.” The results of the production of virgin resin are compared with the “cut-off” and “system expansion” recycling results. Depending on the allocation methods applied, a nonrenewable energy saving of 40–85% and greenhouse gas emission saving of 25–75% can be achieved. Based on two allocation methods, PET and HDPE recycling offers important environmental benefits over single-use virgin PET and HDPE. LCA offers a powerful tool for assisting companies and policy-makers in the waste plastic industry. Furthermore, the “system expansion” recycling method is not easy to apply because it requires detailed data outside of the life cycle of the investigated product.
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Dissertations / Theses on the topic "High density polyethylene (HDPE)"

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Siskind, Esther. "Market development for recycled high density polyethylene (HDPE)." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/70176.

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Londoño, Ceballos Mauricio. "High-Density Polyethylene/Peanut Shell Biocomposites." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700037/.

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A recent trend in the development of renewable and biodegradable materials has led to the development of composites from renewal sources such as natural fibers. This agricultural activity generates a large amount of waste in the form of peanut shells. The motivation for this research is based on the utilization of peanut shells as a viable source for the manufacture of biocomposites. High-density polyethylene (HDPE) is a plastic largely used in the industry due to its durability, high strength to density ratio, and thermal stability. This research focuses in the mechanical and thermal properties of HDPE/peanut shell composites of different qualities and compositions. The samples obtained were subjected to dynamic mechanical analysis (DMA), differential scanning calorimetry (DSC), and mechanical tensile strength tests. TO prepare the samples for analysis, the peanut shells were separated into different mesh sizes and then mixed with HDPE at different concentrations. The results showed that samples with fiber size number 10 exhibited superior strength modulus of 1.65 GPa versus results for HDPE alone at 1.32 GPa. The analysis from the previous experiments helped to determine that the fiber size number 10 at 5%wt. ratio in HDPE provides the most optimal mechanical and thermal results. From tensile tests the highest modulus of elasticity of 1.33 GPa was achieved from the samples of peanut shells size number 10 in HDPE at 20%wt. ratio, while the results for HDPE alone were only of 0.8 GPa. The results proved the hypothesis that the addition of peanut shells to HDPE enhances both the thermal and mechanical properties of the composite.
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Altintas, Bekir. "Electrical And Mechanical Properties Of Carbon Black Reinforced High Density Polyethylene/low Density Polyethylene Composites." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12604976/index.pdf.

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In this study, the High Density Polyethylene (HDPE) and Low Density Polyethylene (LDPE) blends prepared by Plasticorder Brabender were strengthened by adding Carbon Black (CB). Blends were prepared at 190 °
C. Amounts of LDPE were changed to 30, 40, 50 and 60 percent by the volume and the percent amounts of CB were changed to 5, 10,15, 20 and 30 according to the total volume. Thermal and morphological properties were investigated by using Differential Scanning Calorimeter (DSC), Scanning Electron Microscope (SEM). Mechanical properties were investigated by tensile test and hardness measurements. Melt flow properties were studied by Melt Flow Index (MFI) measurements. Electrical conductivities were measured by four probe and two probe techniques. Temperature dependence of electrical conductivity was also studied. In general, it is observed that stress at break and MFI values decrease by the addition of CB
however, modulus and hardness increase. DSC results indicated that the crystallization of the polymer blend was decreased by the addition of CB. SEM results showed that the components were mixed homogenously. Increasing CB content increased electrical conductivity. Furthermore, by increasing the temperature, positive temperature coefficient behavior was observed which increases when CB content decreased.
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Hepburn, Derek Sinclair. "An investigation of the effect of structure on the fracture resistance of pipes and welds of Eltex TUB 120 Series HDPE." Thesis, Manchester Metropolitan University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386440.

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Ayche, Nadim S. "The Effect of High Density Polyethylene (HDPE) Pipe Profile Geometry on its Structural Performance." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1127140719.

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Svensson, Sofie. "Reprocessing and Characterisation of High Density Polyethylene Reinforced with Carbon Nanotubes." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-12853.

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Nanokomposit innehållande högdensitetspolyeten och kolnanorör återvanns och analyseradesför att undersöka hur materialets egenskaper påverkas av återvinning. Kompositenproducerades med 3 viktprocent kolnanorör och återvanns tio gånger genom att extrudera ochmala ner materialet. Analyser gjordes efter varje cykel av extrudering. Dessutom utfördessimulerade tester med kontinuerlig extrudering i 20, 100 och 200 minuter motsvarande 10, 50och 100 cykler. Därav kunde nedbrytningen av kompositen efter längre tids bearbetninganalyseras. I projektet studerades ett referensmaterial bestående av den rena polymeren för attkunna jämföra resultat. Karaktärisering av materialen för att bestämma mekaniska egenskapergjordes med dragprovning, böjningstest och slagprovning. För att undersöka termiskaegenskaper användes Differential Scanning Calorimetry (DSC) och Gel PermeationChromatography (GPC) användes för att hitta molekylviktsändringar. Fourier TransformInfrared Spectroscopy (FTIR) utfördes för att identifiera materialet. Resultaten visade ingenstörre skillnad i egenskaper efter tio återvinningscykler, vilket indikerade att materialet harförmåga att behålla sina egenskaper vid återvinning. I de simulerade cyklerna minskade denoxidativa induktionstiden efter 50 och 100 cykler, vilket berodde på att antioxidanterkonsumerats under bearbetningen. Efter 50 simulerade cykler hade molekylvikten börjat sjunkaoch efter 100 cykler kunde en signifikant minskning obseveras, vilket tydde på attpolymerkedjorna förkortats under bearbetningen. För kompositen däremot var molekylviktenstabil, på grund av att kolnanorören skyddade polymeren vid nedbrytning.
Nanocomposite containing High Density Polyethylene (HDPE) and Carbon Nanotubes (CNTs)was reprocessed and characterised to investigate the effect on properties during recycling. Thecomposite was prepared with 3 wt-% CNTs and was recycled ten times by alternatereprocessing and grinding and thereafter the material was characterised. Furthermore, simulatedcycles with continuous processing at 20, 100 and 200 minutes were conducted, representing 10,50 and 100 cycles respectively, in order to investigate the degradation after longer time ofprocessing. In both trials, a reference material containing neat HDPE was studied. Thecharacterisation of the materials produced was conducted using tensile, flexural and charpyimpact testing for investigation of mechanical properties. Differential Scanning Calorimetry(DSC) was used for determining the thermal behaviour and Gel Permeation Chromatography(GPC) to find molecular weight changes. Fourier Transform Infrared Spectroscopy (FTIR) wasused for identification of the material. The results showed no major difference in propertiesafter ten recycling steps, which indicated that the material had the ability to retain its propertiesduring recycling. In the simulated cycles, the oxidative induction time was decreased after 50and 100 cycles, meaning that antioxidants had been consumed during processing. After 50cycles the molecular weight for the reference material was slightly decreased and after 100cycles significantly decreased, indicating chain scission of the polymer chains. For thecomposite the molecular weight was stable, due to that the carbon nanotubes protect thepolymer matrix during degradation.
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Chehab, Abdul Ghafar. "Time dependent response of pulled-in-place HDPE pipes." Thesis, Kingston, Ont. : [s.n.], 2008. http://hdl.handle.net/1974/1239.

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Hudson, Benjamin S. "The Effect of Liquid Hot Filling Temperature on Blow-Molded HDPE Bottle Properties." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2716.pdf.

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Waldron, Calvin Michael. "Efficacy of Delmopinol in Preventing the Attachment of Campylobacter jejuni to Chicken, Stainless Steel and High-Density Polyethylene." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/50861.

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Campylobacter spp. are the second leading bacterial cause of food borne illness in the U.S.  New antimicrobials that prevent bacterial attachment may be effective for reducing Campylobacter.  Delmopinol hydrochloride (delmopinol) is a cationic surfactant that is effective for treating and preventing gingivitis and periodontitis.  This study evaluated the effectiveness of delmopinol for reducing attachment of Campylobacter jejuni to chicken, stainless steel and high-density polyethylene. Chicken pieces, steel and HDPE coupons were spot-inoculated with 0.1 mL of a Campylobacter jejuni culture.  After 10 min, samples were sprayed with 0.5% or 1.0% delmopinol, 0.01% sodium hypochlorite, or distilled water.  Contact times were 1, 10, or 20 min prior to rinsing with buffered peptone water. Rinses were serially diluted onto Campy Cefex Agar for enumeration.  For additional samples, solutions were applied first, followed by inoculation with C. jejuni after 10 min.  Cultures remained undisturbed for 1, 10, or 20 min.  Then samples were rinsed and plated as above. When C. jejuni was inoculated before treatments, 1% delmopinol application led to mean log reductions of 1.26, 3.70, and 3.72 log CFU/mL, greater than distilled water, for chicken, steel and HDPE respectively. When C. jejuni was inoculated after spray treatments, 1% delmopinol reduced C. jejuni by 2.72, 3.20, and 3.99 mean log CFU/mL more than distilled water for chicken, steel and HDPE respectively.  Application of 1% delmopinol, either before or after bacteria inoculation, resulted in a significantly (p<0.05) greater log reduction than 0.01% sodium hypochlorite or distilled water. Delmopinol may be a promising antimicrobial treatment.
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Enriquez, Sevilla Luis Javier. "Activity of phosphite antioxidants in synergistic blends in the thermal and photooxidation of high-density polyethylene (HDPE)." Thesis, Manchester Metropolitan University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364483.

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Books on the topic "High density polyethylene (HDPE)"

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Müller, Werner W. HDPE geomembranes in geotechnics. Berlin: Springer, 2007.

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Hsuan, Y. G. HDPE pipe: Recommended material specifications and design requirements. Washington, DC: National Academy Press, 1999.

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1944-, Wong R., Tuttle M. E, and Langley Research Center, eds. The yield and post-yield behavior of high-density polyethylene. Seattle, Wash: Dept. of Mechanical Engineering, University of Washington, 1990.

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Industrial Toxicology Research Centre (India), ed. Safety evaluation of polypropylene & high density polyethylene woven sacks for packaging of food grains. Lucknow: Industrial Toxicology Research Centre, Council of Scientific and Industrial Research, 2004.

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Soo, P. A study of the use of crosslinked high-density polyethylene for low-level radioactive waste containers. Washington, DC: Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1989.

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Morales, Roman Padilla. High density polyethylene modified with a low molecular weight ionomer and the precursor acid copolymer. Ottawa: National Library of Canada, 1994.

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National Register of Foreign Collaborations (India) and India. Dept. of Scientific & Industrial Research., eds. Technology in Indian high density polyethylene: A status report prepared under the National Register of Foreign Collaborations. New Delhi: Govt. of India, Dept. of Scientific and Industrial Research, Ministry of Science and Technology, 1990.

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Sevilla, Luis Javier Enriquez. Activity of phosphite antioxidants in synergistic blends in the thermal and photooxidation of high-density polyethylene (HDPE). 2001.

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Xu, Bin. Studies of polystyrene (PS) high density polyethylene (HDPE) and PS/HDPE/wood composites from an extrusion process: Mechanical properties, rheological characterization and morphology. 1999.

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The yield and post-yield behavior of high-density polyethylene. Seattle, Wash: Dept. of Mechanical Engineering, University of Washington, 1990.

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Book chapters on the topic "High density polyethylene (HDPE)"

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Bashford, David. "High Density Polyethylene (HDPE)." In Thermoplastics, 151–62. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1531-2_18.

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Aich, Rhythm, Annasha Dey, and Sandip Kumar Lahiri. "Optimization of High Density Polyethylene (HDPE) Reactor Using Artificial Intelligence." In Interdisciplinary Research in Technology and Management, 168–73. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003202240-27.

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Li, Yan, Hong Xia Deng, and Ye Hong Yu. "Evaluation of Interfacial Properties of Sisal Fiber Reinforced High Density Polyethylene (HDPE) Composites." In Advances in Composite Materials and Structures, 625–28. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-427-8.625.

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Chandrasekar, M., K. Senthilkumar, T. Senthil Muthu Kumar, M. R. Ishak, N. Rajini, and Suchart Siengchin. "Use of Innovative High-Density Polyethylene (HDPE) Environmentally Friendly Adhesives for Wood Composites." In Eco-Friendly Adhesives for Wood and Natural Fiber Composites, 123–30. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4749-6_6.

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Khan, Adnan Ali, Uzair Ali Khan, and Rafid Hassan. "Effects on Mechanical Properties of High-Density Polyethylene (HDPE) Reinforced with Walnut Shell Powder." In Recent Advances in Manufacturing, Automation, Design and Energy Technologies, 323–30. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4222-7_38.

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Dey, Mayank, Rahul Vamsi Katabathuni, Nitesh Dhar Badgayan, and Santosh Kumar Sahu. "Finite Element Analysis of High-Density Polyethylene (HDPE) Nanocomposite for Potential Use as Dental Implant." In Lecture Notes in Mechanical Engineering, 229–36. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0676-3_19.

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Tuong, Huynh Khanh, and Cao Xuan Viet. "Enhanced Mechanical and Thermal Properties of Acrylonitrile Butadiene Rubber Compounds (NBR) by Using High-Density Polyethylene (HDPE)." In Springer Proceedings in Physics, 345–55. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9267-4_37.

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Zulkefli, N., M. D. Ahmad, S. Mahzan, and E. M. Yusup. "The Development of Temporary Bone Scaffolds from High Density Polyethylene (HDPE) and Calcium Carbonate (CaCO3) for Biomedical Application." In Structural Integrity and Monitoring for Composite Materials, 243–59. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6282-0_15.

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Garcia, Kevin E., Jheo Q. Ibayan, Emmanuel P. Maala, Harold Loyd M. Ilustrisimo, Orlean G. Dela Cruz, and Philip P. Ermita. "Value Analysis on the Utilization of High-Density Polyethylene (HDPE) Pipes as an Alternative to the Conventional Reinforced Concrete Pipes." In Lecture Notes in Civil Engineering, 210–23. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1514-5_22.

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Campos, Rejane D., Maria Sotenko, Mahesh Hosur, Shaik Jeelani, Francisco R. V. Díaz, Esperidiana A. B. Moura, Kerry Kirwan, and Emilia S. M. Seo. "Effect of Mercerization and Electron-Beam Irradiation on Mechanical Properties of High Density Polyethylene (HDPE)/Brazil Nut Pod Fiber (BNPF) Biocomposites." In Characterization of Minerals, Metals, and Materials 2015, 637–44. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093404.ch80.

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Conference papers on the topic "High density polyethylene (HDPE)"

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Gunesegeran, Kishan, Rajkumar Annamalai, Muhammad Izzat Nor Ma'arof, Nurharniza Abdul Rahman, and Narendran Nadarajan. "High-density polyethylene (HDPE) tiles." In INTERNATIONAL CONFERENCE OF MATHEMATICS AND MATHEMATICS EDUCATION (I-CMME) 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0110960.

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Dusunceli, Necmi, Bulent Aydemir, Niyazi U. Terzi, A. D’Amore, Domenico Acierno, and Luigi Grassia. "Cyclic Behavior of High Density Polyethylene (HDPE)." In V INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2010. http://dx.doi.org/10.1063/1.3455664.

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Khalifa, M., T. Ased, and A. Abuajila. "HDPE High-Density Polyethylene Pipe Systems Welding Process." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017/mst_2017_995_1000.

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Khalifa, M., T. Ased, and A. Abuajila. "HDPE High-Density Polyethylene Pipe Systems Welding Process." In MS&T17. MS&T17, 2017. http://dx.doi.org/10.7449/2017mst/2017/mst_2017_995_1000.

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Munson, Douglas, and Dana Decker. "Fire Testing of High Density Polyethylene Piping Systems." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78781.

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Degradation of raw water piping systems is a major issue facing nuclear power plant owners. High density polyethylene (HDPE) is a cost-effective alternative to corrosion resistant alloys and has been found to perform well in power plant applications for over 10 years. When used above ground, fire resistance may be an issue. HDPE starts to melt at ∼235°F (115°C) and has an auto-ignition temperature of ∼662°F (350°C). Additionally, toxic gasses are released when it burns. The paper summarizes the development of a method that can be used to protect HDPE piping from postulated fire events is situations where the system must remain operable or not contribute to the fire load. The method was demonstrated using a proof-of-concept fire test of four piping subassemblies that contained many of the fittings that are commonly found in HDPE piping systems. The assemblies were subject to a 3-hour fire test following the guidance of ASTM E119 followed by a hose stream test following the guidance of ASTM E2226. All four specimens survived the test, with each retaining its overall geometry, cross section, and structural and pressure boundary integrity.
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Munson, Douglas, Timothy M. Adams, and Shawn Nickholds. "Dynamic Testing of High Density Polyethylene Vent and Drain Configurations." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78778.

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For corroded piping in low temperature systems, such as service water systems in nuclear power plants, replacement of carbon steel pipe with high density polyethylene (HDPE) pipe is a cost-effective solution. HDPE pipe can be installed at much lower labor costs than carbon steel pipe, and HDPE pipe has a much greater resistance to corrosion. This paper presents the results of the seismic testing of selected vent and drain configurations. This testing was conducted to provide proof of the conceptual design of HDPE vent and drain valve configurations. A total of eight representative models of HDPE vent and drain assemblies were designed. The models were subjected to seismic SQURTS spectral acceleration up to maximum shake table limits. The test configurations were then checked for leakage and operability of the valves. The results for these tests, along with the test configurations, are presented. Also presented are the acceleration data observed at various points on the test specimens.
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ANILAL, ASHISH, JUSTIN BENDESKY, SEHEE JEONG, STEPHANIE S. LEE, and MICHAEL BOZLAR. "EFFECTS OF GRAPHENE ON TWISTING OF HIGH DENSITY POLYETHYLENE." In Proceedings for the American Society for Composites-Thirty Seventh Technical Conference. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/asc37/36468.

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High density polyethylene (HDPE) is known to form banded spherulites when crystallized from the melt. In such spherulites, concentric bands of alternating light and dark colors emanating from the spherulite nucleation center are observable between cross polarizers and appear as a function of the anisotropy of the dielectric susceptibility as crystal orientations continuously rotate about the growth direction. Recently, we identified PE to be a promising compound to induce twisting in conjugated carbonaceous systems, such as triisopropylsilylethynyl anthradithiophene (TIPS ADT). When blended together in ratios between 10 – 70 wt.% PE, TIPS ADT and PE crystals twist in concert with one another to form composite films of intertwined helicoidal fibrils. In this work, we investigate crystal twisting in HDPE-graphene oxide composites. In addition to its unique multifunctionality, graphene has also recently demonstrated peculiar twisting capabilities that strongly alter its physical properties. Here, we first produce graphene sheets through the chemical oxidation of natural graphite, and then investigate the influence of graphene on the twisting of HDPE composites under various processing parameters (graphene concentration, polymer cooling rate, etc). HDPE-graphene composites have been prepared using melt extrusion in the form of microfibers and films. We measured the influence of twisting on the mechanical and electrical properties of the composites, as well as the crystallographic structure using optical and electron microscopy, and X-Ray diffraction spectroscopy.
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Xu, Songbo, Aydar Akchurin, X. W. Tangpong, Tian Liu, Weston Wood, and Wei-Hong Zhong. "Comparison of Tribological Performances of High Density Polyethylene Enhanced With Carbon Nanofibers." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86150.

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High density polyethylene (HDPE) is widely used as bearing material in industrial application because of its low friction and high wear resistance properties. Carbon nanofiber (CNF) reinforced HDPE nanocomposites are promising materials for biomedical applications as well, such as being the bearing materials in total joint replacements. The main objective of the present study is to investigate how the wear of HDPE can be altered by the addition of either pristine or silane treated CNFs at different loading levels (0.5 wt.% and 3 wt.%). Two types of silane coating thicknesses, 2.8 nm and 46 nm, were applied on the surfaces of oxidized CNFs to improve the interfacial bonding strength between the CNFs and the matrix. The CNF/HDPE nanocomposites were prepared through melt mixing and hot-pressing. The coefficients of friction (COFs) and wear rates of the neat HDPE and CNF/HDPE nanocomposites were determined using a pin-on-disc tribometer under dry sliding conditions. The microstructures of the worn surfaces of the nanocomposites were characterized using both scanning electron microscope (SEM) and optical microscope to analyze their wear mechanisms. Compared with the neat HDPE, the COF of the nanocomposites were reduced. The nanocomposite reinforced with CNFs coated with the thicker silane coating (46 nm) at 0.5 wt.% loading level was found to yield the highest wear resistance with a wear rate reduction of nearly 68% compared to the neat HDPE.
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"Tensile, Creep, and Fatigue Behaviors of High Density Polyethylene (HDPE)." In 19th International Conference on New Trends in Fatigue and Fracture. USACM, 2019. http://dx.doi.org/10.36717/ucm19-4.

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Shim, D. J., P. Krishnaswamy, and E. Focht. "Comparison of Parent and Butt Fusion Material Properties of High Density Polyethylene." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-78066.

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The US nuclear power industry is seeking U. S. Nuclear Regulatory Commission (USNRC) approval to use high density polyethylene (HDPE) in safety-related applications. The USNRC has granted approval for the use of HDPE for safety-related service water applications, with limitations, to Catawba (Duke Energy Corp.) and Callaway (Union Electric Co.) based on separate relief requests submitted by the licensees. The nuclear industry continues to show increasing interest in utilizing HDPE in safety-related piping systems. In order to evaluate and maintain the structural integrity of HDPE pipes, the material properties and the fracture resistance behavior must be fully characterized. Although there has been extensive work on material property development of HDPE, most of the investigations have been focused on the parent (base) material. Hence, the material property and fracture resistance behavior of the butt fusion region have not been comprehensively investigated. In this paper, tensile, dynamic mechanical analysis (DMA), and slow crack growth (SCG) tests have been performed for PE 4710 HDPE material. Specimens were machined from both parent piping material and butt fusion regions. The test results indicate that the tensile and DMA properties show no significant differences between parent and butt fusion materials. However, in terms of SCG resistance, the time to failure for butt fusion material was an order of magnitude lower than that of the parent material.
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Reports on the topic "High density polyethylene (HDPE)"

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Phifer, Mark A. Scoping study. High density polyethylene (HDPE) in salstone service. Office of Scientific and Technical Information (OSTI), February 2005. http://dx.doi.org/10.2172/1237316.

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Ozkan, Istemi, and Qishi Chen. PR-244-094511-R01 Technology Readiness Evaluation of FAST-Pipe. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), October 2012. http://dx.doi.org/10.55274/r0010990.

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FAST Pipe is a new pipeline technology that was developed by ConocoPhillips Company (ConocoPhillips). It has been proposed as an alternative to high strength steel (grade X80 or higher) for high pressure gas transmission pipelines. FAST Pipe is manufactured by tightly wrapping multiple layers of dry fibreglass (or other fibres like carbon fibre) circumferentially around a conventional steel pipe and then covering the fibreglass with a thermoplastic jacket, such as a high density polyethylene (HDPE) coating. By utilizing the steel pipe to carry axial and bending loads and the fibreglass to augment the pressure carrying capacity of the steel pipe, FAST Pipe offers performance and cost advantages. ConocoPhillips has made a substantial effort to experimentally and analytically assess the feasibility and performance of FAST Pipe. PRCI has set up an industry Steering Committee (SC) to provide input and enable peer review to address the technical challenges as well as research and development objectives for obtaining regulatory approval for this new technology. The objective of this project was to assist PRCI's SC to achieve the goals of assessing technology readiness, identifying requirements for obtaining regulatory approval, and developing short and long term plans to meet these requirements.
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(Archived), Irina Ward, and Farah Abu Saleh. PR-473-144506-R01 State of the Art Alternatives to Steel Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2017. http://dx.doi.org/10.55274/r0011459.

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This report is a literature review of several non-metallic material systems often used as alter-natives to steel pipelines. The pipeline systems reviewed are high density polyethylene (HDPE), fiberglass reinforced plastic (FRP), flexible composite and thermoplastic liners. This report is not intended to be a detailed guide or design manual on the use of the referenced materials for pipeline applications, rather an overall evaluation on the current state of these systems. Significant industry literature and documentation already exists on the design, manufacturing, installation, and operation of these pipelines. This information currently resides in pipe manufacturer's manuals and various industry standards and guides published by organizations such as ASTM International (ASTM), American Petroleum Institute (API) American Water Works Association (AWWA), and International Organization for Standardization (ISO). In Canada, the oil and gas industry pipeline code, CSA Z662-2015 (Canadian Standards Association, 2015). Users should frequently consult the manufacturers of the pipe products in use or under consideration for use for clarification and suggestions regarding the best practices, considerations and applications of the materials in question. In addition, pipeline operators should be aware of the applicable regulatory requirements in the jurisdictions they are operating within.
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Veith, E. M. ,. Westinghouse Hanford. LLCE burial container high density polyethylene chemical compatibility. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/657480.

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Matney, Shaun. Modulated Thermomechanical Analysis of Compression-Molded High-Density Polyethylene. Office of Scientific and Technical Information (OSTI), September 2024. http://dx.doi.org/10.2172/2440181.

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Phifer, M. PORTSMOUTH ON-SITE DISPOSAL CELL HIGH DENSITY POLYETHYLENE GEOMEMBRANE LONGEVITY. Office of Scientific and Technical Information (OSTI), January 2012. http://dx.doi.org/10.2172/1034394.

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Dusick, Brandon E., Nancy K. Pusey, and John L. Schwarz. Compatibility and Decontamination of High-Density Polyethylene Exposed to Sulfur Mustard. Fort Belvoir, VA: Defense Technical Information Center, May 2014. http://dx.doi.org/10.21236/ada600214.

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Safarik, Douglas, Dustin Cummins, Deanna Capelli, Peggy Honnell, John Bernal, Maryla Wasiolek, and Donald Hanson. High Dose and Dose Rate 60Co γ-Irradiation of High-Density Polyethylene. Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1814730.

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Booth, Kevin G. Abrasion Resistance Evaluation Method for High-Density Polyethylene Jackets Used on Small Diameter Submarine Cables. Fort Belvoir, VA: Defense Technical Information Center, January 1993. http://dx.doi.org/10.21236/ada474444.

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Soo, P., C. I. Anderson, and J. H. Clinton. A study of the use of crosslinked high-density polyethylene for low-level radioactive waste containers. Office of Scientific and Technical Information (OSTI), June 1989. http://dx.doi.org/10.2172/6115977.

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