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POLYMER TECHNOLOGY

Polymer Technology
Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten

Either B or C
Polystyrene
Saturated polyester
Polyurathane

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Polymer Technology
Buna-S is also called

Bakelite
Teflon
SBR
Polyurathane

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Polymer Technology
In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.

Viscose rayon
Polyvinyl acetate
Acrylic
Saturated polyester

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Polymer Technology
__________ is a homopolymer.

Terylene
Neoprene
Bakelite
Nylon-66

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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
Polyester
Acrylic

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