Question

50 Points

What is an elastomer? What are their special features?

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Answer 1

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What is an elastomer?

$\bf{Answer:-}$

An elastomer is a polymer with viscoelasticity (i.e., both viscosity and elasticity) and very weak intermolecular forces, and generally low Young's modulus and high failure strain compared with other materials. ... IUPAC defines the term "elastomer" by "Polymer that displays rubber-like elasticity."

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What are their special features?

$\bf{Answer:-}$

The main characteristic of elastomer materials is the high elongation and flexibility or elasticity of these materials, against its breaking or cracking. ... Thermoplastic Elastomers - are those elastomers which melt when heated.

Answer 2

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• Elastomers (rubbers) are special polymers that are very elastic.

• They are lightly cross-linked and amorphous with a glass transition temperature well below room temperature.

• Thus, elastomers have a low Young's modulus and very high elongation at break when compared with other polymers.

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