Chemistry, asked by ilavarasi4995, 1 year ago

Explain the Classification of Polymers Based on Molecular Forces

Answers

Answered by priyanshuagarwal032
1
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1.Elastomers : These are rubber like solid polymers in which the polymer chains are held together by weakest intermolecular forces, e.g., natural rubber, buna-S, buna-N etc.
2.Fibres : Fibres belong to a class of polymers which are thread-like and can be woven into fabrics. These are widely used for making clothes, nets, ropes, gauzes, etc.
3.Thermoplastics : These are linear polymers and have weak van der Waals’ forces acting in the various chains. These forces are intermediate of the forces present in the elastomers and in the fibres. When heated, they melt and form a fluid which sets into a hard mass on cooling. Thus, they can be cast into different shapes by using suitable moulds, e.g., polyethene and polystyrene. 
4.Thermosetting plastics : These are normally semifluid substances with low molecular masses.  When heated, they become hard and infusible due to the cross-linking between the polymer chains. As a result, they also become three dimensional in nature. A few common thermosetting polymers are bakelite, melamine-formaldehyde resin and urea formaldehyde resin.

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Answered by Harsh10000
0
Thermoplastic of a polymer based on molecular forces
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