is polyethylene thermoplastic or thermosetting plastic?
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Polyethylene is usually thermoplastic, however it can be modified to become thermosetting instead, for example in cross-linked polyethylene.
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Polyvinyl chloride (PVC) is considered a thermoplastic. Thermoplastics become moldable above a specific temperature and then return back to a solid when cooled. ... Thermoplastics are known for their high molecular weight because intermolecular interactions increase as the plastic is cooled.
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Woven polypropylene consists of PP plastic threads that are woven together, creating a durable material with a great deal of flexibility and strength. Non-woven polypropylene bags, on the other hand, are bonded together instead of woven, so that plastic fibers are fused together using heat and pressure.
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There are two common types of plastic piping which are known as PB (Polybutylene) and PEX (Cross-linked Polyethylene). The main difference between PB and PEX is in how the material is created. ... So if you will be pumping water, or the pipes will be exposed to the cold, PEX is a better option than PB.
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['transparency.', 'flexibility.', 'elasticity.', 'permeable.', 'water resistant.', 'electrically resistance.', 'Plastic is somewhat reactive to oxygen, over time it degrades as it is reacting to oxygen.', 'generally plastic is soft.']
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Common examples of thermoset plastics and polymers include epoxy, silicone, polyurethane and phenolic. In addition, some materials such as polyester can occur in both thermoplastic and thermoset versions.
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Plastics #4 Low-density Polyethylene (LDPE) isn't regarded as a 'bad' plastic. However potentially toxic industrial chemicals are involved in its manufacture, including butane, benzene and vinyl acetate. This plastic is considered safe but not very environmentally eco-friendly.
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Wood-plastic composites (WPCs) are produced by thoroughly mixing ground wood particles and heated thermoplastic resin. The most common method of production is to extrude the material into the desired shape, though injection molding is also used.
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#2 - HDPE (High-Density Polyethylene) HDPE plastic is the stiff plastic used to make milk jugs, detergent and oil bottles, toys, and some plastic bags. HDPE is the most commonly recycled plastic and is considered one of the safest forms of plastic. ... Products made of HDPE are reusable and recyclable.
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#2 – high-density polyethylene (HDPE) HDPE plastic is currently considered a low-hazard plastic with a low risk of leaching. ... Manufacturers use HDPE for large bottles, such as milk jugs and gallon-sized water bottles. These bottles are intended for only one-time use. They're widely recycled.
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Pebax® thermoplastic elastomers consist of polyamide and polyether backbone blocks. These specialty elastomers offer very low material density, a wide range of shore hardness values, extremely efficient energy return (over a wide temperature range) and are optionally biobased.
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Elastomers are usually thermosets (requiring vulcanization) but may also be thermoplastic (see thermoplastic elastomer). The long polymer chains cross-link during curing, i.e., vulcanizing.
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abbreviation for polyvinyl chloride; a synthetic thermoplastic material made by polymerizing vinyl chloride. The properties depend on the added plasticizer. The flexible forms are used in hosepipes, insulation, shoes, garments, etc. Rigid PVC is used for moulded articles.
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FWIW, hard rubber is technically a plastic as well. There are many different kind of resins. The main difference is that resins cure chemically and hard rubber is cured using heat and/or pressure.
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Plastics can be categorized as either thermosetting or thermoplastic. Polyvinyl chloride (PVC) is considered a thermoplastic. ... In comparison, thermosetting polymers form irreversible chemical bonds as they are cured and therefore they break down when heated and will not re-form as the temperature is cooled.
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Monomer of polyethylene is ethylene and monomer of polypropylene is propylene. ... Polypropylene is not as sturdy as polyethylene. Polypropylene is stiffer and resistant to chemicals and organic solvents compared to polyethylene. Polypropylene is pure, non-stretching and generally more rigid than polyethylene.
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['Low-density polyethylene (LDPE)', 'High-density polyethylene (HDPE)', 'Polypropylene (PP)', 'Polyvinyl chloride (PVC)', 'Polystyrene (PS)', 'Nylon, nylon 6, nylon 6,6.', 'Teflon (Polytetrafluoroethylene)', 'Thermoplastic polyurethanes (TPU)']