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Polymer Technology

Polymer Technology
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

Polyamide
Phenolic resin
Alkyd resin
Epoxy resin

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Polymer Technology
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

Polyvinyl acetale
PVC
Polyvinyl alcohol
Polyvinyl butyral

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Polymer Technology
The conversion of caprolactum in the above case is about __________ percent.

70
50
25
90

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

350
150
100
450

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Polymer Technology
Cellulose is the main contituent of most __________ fibres.

Natural
Spandex
Synthetic
Acrylic

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Polymer Technology
In condensation polymerisation as compared to addition polymerisation

No co-product is lost
The monomers are unsaturated compounds
Generally only one monomer is involved
The monomers contain two functional groups

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