Polymers

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    Marie

    Cards (6)

    • polymers are made up of many monomers

      addition polymerisation
    • thermosoftening polymers
      individual polymer chains tangled together
      weak intermolecular forces
    • thermosetting polymers
      polymer chains joined together by cross-links
      do not melt when heated
    • condensation polymerisation
      lose small molecules, eg water
      eg diols and dicarboxylic acids make a polyester
    • amino acids join together to form polypeptides and water
      peptide link is the bond formed between the carboxyl groups and amino acid groups
    • condensation polymers involve 2 different monomers with 2 of the same functional group
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