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Based on the behaviour of polymer it can...

Based on the behaviour of polymer it can be classified int two forms i.e. thermo plastic polymers and thermosetting polymers. The thermo plastics canbe softened (or) plasticized repeated by on application of thermal energy. The thermo setting polymers can be obtained in soluble and fusible forms in early (or) intermediate stages of their synthesis but they get secured and become insoluble and infusible when further heated (or) thermally heated.
(1) Thermosets donot soften on heating
(2) Thermo plastic soften on heating and stiffen on cooling

A

is true (2) in false

B

(1) is false (2) is true

C

both (1) & (2) are false

D

both (1) & (2) are true

Text Solution

Verified by Experts

The correct Answer is:
D
Thermosets are heated they get hard. Thermo plastic are easily softened when heated and hard when cooled
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