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Polymer Technology

Polymer Technology
Properties of a polymer is affected by the

Chain length
All of these
Branching & cross-linking
Intermolecular forces

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Polymer Technology
Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten

Teflon
SBR
PVC
Bakelite

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

Polystyrene
Either B or C
Polyurathane
Saturated polyester

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Polymer Technology
Diphenylamine is added to rubber to

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

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Polymer Technology
Paper like thin plastic articles can be produced by

None of these
Blow moulding
Injection moulding
Vacuum thermo forming

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Polymer Technology
Buna-S is a __________ material.

Fibrous
Plastic
Rubbery
Resinous

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