EXAMIANS
Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.
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Contact lenses for eyes are made of perspex, which is nothing but
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Dacron is a/an
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Branched chain polymers compared to linear polymers have higher
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Polyvinyl acetate is never used for making
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Which of the following is not a polyolefin?
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Amino resins are used in paper treatment to improve its
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Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent.
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Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.
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Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces
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