These polymers are cross linked or heavily branched molecules, which on heating undergo extensive cross linking in moulds and again become infusible. For example bakelite.
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25.State two properties of thermoplastic polymers.
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26.
Give two examples of thermoplastic polymers.
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27.
Give two examples of thermosetting polymers.
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28.
Arrange the following polymers in the increasing order of their intermolecular forces: Nylon-66, Buna-S, polythene.
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29.
Out of linear polymer and branched chain polymer which higher density?
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