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Correct statement for thermoplastic poly...

Correct statement for thermoplastic polymer is

A

It does not become soft on heating uder pressure

B

It cannot be remoulded

C

It is either linear or branched chain polymer

D

It is a cross-linked polymer

Text Solution

Verified by Experts

The correct Answer is:
C
Thermoplastic polymers are linear of slightly branched polymers in which the intermolucular forces of attraction are intermediate between elastomers and fibres. These polymers soften on heating and become rigid on cooling. The process of softening , moulding and cooling can be repeated as often as desired . It is not a cross-linked polymer.
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Explore conceptually related problems

Which of the following is not true for thermoplastic polymers ?

Consider the following facts. I. Weakest intermolecular forces are present in elastomers. II. Fibres possess crystalline nature. Ill. Ionic bonds are present in thermoplastic polymers. Identify the option with correct statements.

Knowledge Check

  • Correct statement for the thermoplastic polymer is

    A
    It does not become soft on heating under pressure
    B
    It cannot be remoulded
    C
    It is either linear or branched chain polymer
    D
    It is cross- linked polymer

  • Examples of thermoplastic polymer is/are :

    A
    urea formaldehyde resin
    B
    polythene
    C
    polystyrene
    D
    bakelite

  • Indicate the correct statement for chain growth polymers

    A
    These polymers are made by the addition of monomers
    B
    The end of a chain is reactive because it is a free radical cation or anion
    C
    Polystyrene is the example of this class
    D
    It takes place step by step