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Polymer Technology

Polymer Technology
Rain coats are made of

Neoprene
SBR
PVC
Polyurathane

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Polymer Technology
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.

250-280
500-600
-5
10-30

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Polymer Technology
Mastication of rubber means

A treatment to retard its deterioration due to oxidation
Improving its curing rate
Depression of its freezing point
Its softening

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Polymer Technology
Alkyd resin can not be used for making

Plasticiser
Paint & varnish
Fibres
Film forming materials

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Polymer Technology
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Strength
Percent elongation
Resilience
Freezing point

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Polymer Technology
Polyvinyl acetate is never used for making

Fibres
Adhesives
Moulded articles
All of these

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