Nellz01 Nellz01

28-12-2016
Chemistry

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Explain, in terms of structure, why some polymers are thermosetting.

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KennyMiller KennyMiller

28-12-2016

Thermosetting polymers have different properties to thermosoftening polymers. Once moulded, they do not soften when heated and they cannot be reshaped. Vulcanised rubber is a thermoset used to make tyres. Its polymer chains are joined together by cross-links, so they cannot slide past each other easily.

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Anonymous Anonymous

16-02-2021

Answer:

A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin. Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst.

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