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Which of the following is not a characteristic of thermosetting polymers?
Linear or slightly branched long chain polymers.
Heavily branched and cross-linked polymers.
Become infusible on moulding.
Cannot be remoulded or reused on heating.

A

Linear or slightly branched long chain polymers.

B

Become infusible on moulding.

C

Heavily branched and cross-linked polymers.

D

Cannot be remoulded or reused on heating.

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Solution

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Some characters of thermosetting polymers:
these polymers are cross-linked or heavily branched molecules,
on heating it undergoes extensive cross-linking in moulds and again become infusible,
these cannot be reused
Some common examples are bakelite, melamine and urea formaldehyde resin

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