Polymers questions | form six Chemistry

Briefly, explain the following and give one example for each:
(i) Thermoplastic polymers
(ii) Thermosetting polymers
(iii) Natural polymers

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UNSOLVED

Write the monomers used in synthesis of the following polymers:
(i) Polyvinylchloride (PVC)
(ii) Teflon
(iii) Bakelite

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UNSOLVED

1. Why cationic polymerization is more favored than anionic polymerization when vinylic monomers contain an electron donating group?
2. Why styrene undergo anionic polymerization easily? Briefly explain.
3. Differentiate addition from condensation polymers basing on the mode of polymerization. Give one example for each type.

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UNSOLVED

With reasons, write down the use of each of the following polymers:
(i) Butyl-rubber
(ii) Polyacrylonitriles
(iii) Polyhaloalkene

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UNSOLVED

Show the initiation step and propagation step fo the following polymerization types for Polytetrafluoroethene (PTFE) polymer:

1. Free radical polymerization
2. Cationic polymerization
3. Anionic polymerization

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UNSOLVED