Copolymerisation is a polymerisation reaction in which mixture of more than one monomeric species is allowed to polymerise and form a copolymer. For example Buna-S.
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What structural changes are produced during vulcanization of rubber?
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Classify the following polymers as chain growth and step growth polymers: (i) Buna-S (ii) Nylon-6,6 (iii) Terylene (iv) PVC
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What are polyamides?
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One Word Answers
Which is better material for making PVC pipes a thermosetting plastic or a thermoplastic?
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Short Answer Type
A polymer is formed by the action of terephthalic acid.
Write its structure.
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State how rayon is different from silk?
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Mention two uses of Nylon-6, 6.
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Name one synthetic polymer containing - CN group. Give its formula.
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Give two examples of polymers that belong to the class of formaldehyde resins.
