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Polymer Technology

Polymer Technology
A copolymer of vinyl and vinylidine chloride is called

Dacron
Saran
Treylene
Orlon

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Polymer Technology
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

Amino
Alkyd
Epoxy
Phenolic

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Polymer Technology
Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are

- 20°C and 1 kgf/cm²
0°C and 3 kgf/cm²
0°C and 1 kgf/cm²
5°C and 1 kgf/cm²

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Polymer Technology
Diphenylamine is added to rubber to

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

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Polymer Technology
Dacron is a/an

Polyamide
Unsaturated polyester
Inorganic polymer
Polyester

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Polymer Technology
Benzoyl chloride is not used as a catalyst in the manufacture of

Polyvinyl chloride-co-vinylacetate
Polypropylene
Polyvinyl acetate
Polystyrene

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