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Polymer Technology

Polymer Technology
Nylon 6 as compared to nylon 6, 6 has lower

Adhesion to rubber
Abrasion resistance
Hardness
Thermal stability

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Polymer Technology
Diphenylamine is added to rubber to

Protect it from deterioration on exposure to air
Make it thermosetting
Make it non-inflammable
Valcanise it

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Polymer Technology
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

Thermosetting
Thermoplastic
Elastometric
Brittleness

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Polymer Technology
Which of the following polymers has the tendency of decomposing before melting?

Polystyrene
PVC
None of these
Nylon

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Polymer Technology
Epoxy resin is

An elastomer
A good abrasive
A polyester
Not used for surface coating

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Polymer Technology
Trade name of __________ is neoprene.

Polytetraflouroethylene
Polyisoprene
Polychloroprene
Poly vinyl acetate

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