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POLYMER TECHNOLOGY

Polymer Technology
Vulcanisation of rubber does not increase its

Weight & strength
Elasticity & water solubility
Oxidation resistance
Softness

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Polymer Technology
__________ is not a condensation polymer.

Teflon
Dacron
Nylon-66
Polystyrene

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Polymer Technology
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.

Rayon
Polyvinyl acetate
PVC
Polythene

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Polymer Technology
Vulcanisation of raw rubber makes it

Tacky
Less elastic
Soft
Plastic

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Polymer Technology
Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation?

Bakelite
PVC
Epoxy resin
PTFE

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