Polymers

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Author:
Anonymous
ID:
123670
Filename:
Polymers
Updated:
2011-12-14 15:20:10
Tags:
Polymers chemistry
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Description:
Higher Chemistry - Unit Two - Polymers
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  1. How can ethene be made from ethane or naptha?
    By cracking
  2. Ethene is the starting material for many plastics made by _______ polymerisation?
    addition
  3. Condensation polymers are made from monomers with ____ functional groups per molecule?
    two
  4. Give an example of a condensation polymer?
    Polyesters
  5. Diol + diacid → ?
    polyester + water
  6. What is a polyester?
    A long chain molecule iwth many ester linkages
  7. The acid and alcohol group, in a polyester, can join up with the loss of...?
    water
  8. What are the two ways polyesters can be classified?
    As textile fibres and as resins
  9. What kind of structure do textile fibre polyesters have?
    Linear
  10. What kind of structure do resin polyesters have?
    Cross-linked
  11. What functional group does an amine contain?
    NH2
  12. Circle the functional group in this amine
  13. What is the amide link?
  14. What are polyamides made from?
    A diamine and a diacarboxylicacid1
  15. Give an example of a polyamide
    Nylon
  16. Why is nylon so strong?
    Because of the hydrogen bonding inbetween the polymer chains

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