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Polymer Technology

Polymer Technology
Terylene is a/an

Homopolymer
Addition polymer
None of these
Poly amide

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Polymer Technology
A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of

Urea-formaldehyde resins
Vinyl polymers
Polyamides
Siloxane elastomers

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Polymer Technology
__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.

Rubbery
Leathery
Hard
Fibrous

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Polymer Technology
Molecular weight of polymers are in the range of

10²-10⁷
10 to 10³
10⁷-10⁹
10⁹-10¹¹

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Polymer Technology
Bakelite (phenol-formaldehyde) resin can not be used as

Decorative paint
Electrical insulation
Decorative laminates
Glass reinforced plastics

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Polymer Technology
The process involved in converting rubber into a thin sheet or coating it on fabric is called

Vulcanisation
Extrusion
Mastication
Calendering

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