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Polymer Technology

Polymer Technology
Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of

Vinyl chloride
Styrene
Vinyl acetate
Propylene

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Polymer Technology
Nylon-66 is manufactured from

Caprolactum
Dimethyl terephthalate (DMT) and ethylene glycol
Adipic acid and hexamenthylene diamine
Maleic anhydride and hexamethylene diamine

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Polymer Technology
Most of the plastics are safe to be used upto a maximum temperature of __________ °C.

100
350
450
150

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Polymer Technology
Paper like thin plastic articles can be produced by

Blow moulding
Injection moulding
None of these
Vacuum thermo forming

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Polymer Technology
Maximum consumption of polymers is in

Toys making
Packaging
Coating and films
Electrical insulation

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Polymer Technology
Which of the following polymers has the tendency of decomposing before melting?

Polystyrene
Nylon
PVC
None of these

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