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Polymer Technology

Polymer Technology
Maximum consumption of polymers is in

Electrical insulation
Toys making
Packaging
Coating and films

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Polymer Technology
Polymethyl methacrylate, which is an acrylic resin, is also called

Plexiglass or lucite
Teflon
Thiokol
Dacron

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Polymer Technology
Softening point of high density polythene is about __________ °C.

85
135
165
205

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Polymer Technology
Styrene butadiene rubber (SBR) is never used for making

Soles of shoes
Gaskets
Coated fabrics
Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

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Polymer Technology
__________ is a homopolymer.

Terylene
Nylon-66
Bakelite
Neoprene

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Polymer Technology
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.

Nylon 6:6
Polypropylene
Acrylic
Polyester

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