Polystyrene is a thermosetting polymer
WebAug 28, 2024 · Both thermosetting plastics and thermoplastics are polymers, but when exposed to heat, they behave differently. The thermoplastics can melt while the thermoset plastics maintain their shape and remain solid under heat. Polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybenzimidazole, acrylic, nylon, and Teflon are some … WebMar 17, 2024 · Hint:. Thermosetting polymer, resins, or plastics, often called a thermoset, is a type of polymer that is irreversibly hardened by curing from a soft solid or viscous liquid …
Polystyrene is a thermosetting polymer
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WebPolystyrene is an aromatic polymer, naturally transparent, made up of monomer styrene. Polyvinyl chloride (PVC) is a plastic polymer made of monomer vinyl chloride. ... Such materials are thermosetting plastics. … WebJul 17, 2024 · Answer/Explanation. 14. Novolac, the linear polymer used in paints is. (a) copolymer of buta 1, 3-diene and styrene. (b) polymer of methyl methacrylate. (c) condensation polymer of phenol and HCHO. (d) copolymer of melamine and HCHO. Answer/Explanation. 15.
WebThermosetting polymers are brittle. and can only be formed once. ... Expanded polystyrene balls can be used to fill stuffed toys, while sheets are used in packaging to protecting … WebAug 22, 2024 · Thermoplastics are linear or slightly chain polymers. Thermoplastics have the capability to soften on heating and hard on cooling. Examples for Thermoplastics are …
Webepoxy, Any of a class of thermosetting polymers, polyethers built up from monomers with an ether group that takes the form of a three-membered epoxide ring. The familiar two-part epoxy adhesives consist of a resin with epoxide rings at the ends of its molecules and a curing agent containing amines or anhydrides. When mixed, these react to yield, after … http://mcq.cetjob.com/2024/01/25-polymers-quiz-chemistry-quiz.html
WebPolystyrene. Polystyrene (PS) is a polymer made from the monomer styrene, a liquid hydrocarbon that is commercially manufactured from petroleum. At room temperature, PS is normally a solid thermoplastic but can be melted at higher temperature for moulding or extrusion, then resolidified. Styrene is an aromatic monomer and PS is an aromatic polymer.
WebExplanation: Thermosetting plastics are formed by condensation polymerization, whereas thermoplastics are plastic polymer substances formed by the addition polymerization … how to set up photoshareWebProperties of Thermoset polymers - cross linked or network structures - Decompose when heated -Strong but can be brittle-Can't recycle. Properties of Thermoplastic polymers-Linear or branched-Soften and melt upon heating-Can be recycled -Held together by Van der Waals bonds -Amorphous or crystalline. how to set up pilot2atcWebApr 12, 2024 · The thermosetting polymer is a polymer that can be irreversibly hardened to the desired shape. ... Polystyrene. It is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. It can be used in multiple sectors such as food packaging, refrigeration, etc. how to set up picture in pictureWebYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer. Question: 3) Which of the following is a thermosetting polymer? a) … nothing new ukulele chordsWebPolymer–TiO 2 nanocomposites have been successfully synthesized in different polymer matrices such as the following thermoplastic polymers: polyacrylate, poly (methyl methacrylate), polyimide, polystyrene, and polyolefines; the following thermosetting polymers: polycarbonate, polyamide 6, epoxy, unsaturated polyester; and silicone … how to set up pi-starWebApr 14, 2024 · Engineering polymers within the second category include polyethersulfone (PES), polyetherimide (PEI), polyetheretherketone (PEEK), polyphenylene sulfide (PPS), polycarbonate (PC), and polyamide (PA) [3].Comparatively to thermosetting polymers, the added advantages of thermoplastic polymer matrices such as producing a less harmful … how to set up pi hole ad blockerWebStyrene acrylonitrile resin is a copolymer plastic consisting of styrene and acrylonitrile.It is also known as SAN.It is widely used in place of polystyrene owing to its greater thermal resistance. The chains of between 70 and 80% by weight styrene and 20 to 30% acrylonitrile. Larger acrylonitrile content improves mechanical properties and chemical resistance, but … how to set up picture in picture samsung tv