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Polymer Technology

Polymer Technology
Which of the following is not a thermoplastic material?

Polythene
Polystyrene
PVC
Epoxy polymer

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Polymer Technology
Thermosetting resins/polymers as compared to thermoplastic ones are

Formed by addition polymerisation only
Soluble in all organic solvents
Easily reshaped & reused
More brittle

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Polymer Technology
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

Polyvinyl alcohol
Polyvinyl acetale
PVC
Polyvinyl butyral

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Polymer Technology
__________ practically possess no elasticity.

Spandex fibre
Vulcanite or ebonite
Polysulphide rubber
Epoxy resin

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Polymer Technology
__________ is not a polyester fibre.

Terylene
Nylon
Dacron
Polyacrylonitrite

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Polymer Technology
The synthetic fibres produced from __________ are known as rayon.

Cellulose
Polyamides
Lignin
Ethylene glycol

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