Copolymer

The molecules of copolymers consist of monomers or polymer segments of different chemical natures. Copolymerisation with a strange polymer or monomer can significantly change the properties of a base polymer. Different copolymers are classified as plastic types of their own. Examples:

  • ABS = acrylonitrile butadiene styrene
  • EVA = Ethylene-vinyl acetate The weight percentages of ethylene and vinyl acetate can be freely determined, and thus the properties of the plastic from rigid (100% ethylene) to elastic like rubber with a high vinyl acetate percentage.
  • EPDM
  • TPE

A differentiation must be made between a copolymer and blends, which are homogeneous mixtures of different polymers but do not form copolymers.

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