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Polymer Technology

Polymer Technology
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.

-5
250-280
10-30
500-600

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Polymer Technology
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an

Spongy rubber
Engineering plastic
Thermosetting polymer
Rigid foam

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Polymer Technology
Nylon-66 is manufactured from

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

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Polymer Technology
Caprolactum, a raw material for the manufacture of nylon-6, is produced from

Pyridine
Benzene
Phenol
Naphthalene

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Polymer Technology
The inter particle forces between linear chains in nylon-66 are __________ bonds.

Covalant
None of these
Hydrogen
Ionic

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Polymer Technology
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.

PVC
Polystyrene
Polythene
Teflon/dacron

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