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Earn 100

Why are the propagation steps described as a chain reaction?

Important Questions on Introduction to Polymer Chemistry

EASY
What is meant by step growth polymerisation? Give an example.
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Classify the following as addition polymer or condensation polymer.

Teflon.

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Under hydrolytic conditions, the compounds used for the preparation of linear polymer and for chain termination, respectively, are
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Classify the following into addition and condensation polymers:
PVC, nylon 6,6. teflon. terylene
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Structure of some important polymers are given. Which one represents Buna-S ?
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Which one of the following class of compounds is obtained by polymerization of acetylene ?
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The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is
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What are condensation polymers? Write chemical equations for the preparation of Bakelite and Terylene.
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Poly-β-hydroxybutyrate-co-β-hydroxyvalerate PHBV is a copolymer of _____.
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What is a biodegradable polymer? Give an example of a biodegradable aliphatic polyester.
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Biodegradable polymer which can be produced from glycine and aminocaproic acid is:
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Classify the following into addition and condensation polymers : 
Terylene, Bakelite, Polyvinyl chloride, Polythene
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The gas 'A' is having very low reactivity reaches to stratosphere. It is non-toxic and non-flammable but dissociated by UV-radiations in stratosphere. The intermediates formed initially from the gas 'A' are: