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17 November, 14:42

Name the main classes of polymer and define their characteristic properties

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  1. 17 November, 18:34
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    Polymers are the naturally occurring or synthetic macromolecules that are composed of repeating subunits, called monomers.

    The three main classes of polymers are: thermoplastic, thermosetting, and the elastomers.

    Thermoplastic polymers have linear bonding. These polymers can be melted again and thus can recycled.

    Thermosetting polymers have cross-linked bonding. These polymers decompose when heated and thus can not be remelted and recycled.

    Elastomers have linear bonding with some cross-linking. These polymers extreme elastic extensibility and thus can revert back to its original shape after deformation, without causing any permanent damage.
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