Polymers and Plastics

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Across
  1. 2. A type of thermoplastic
  2. 5. A group of polymers derived from substituted vinyl monomers
  3. 8. A polymerization reaction that is done in three steps
  4. 9. Does it bounce?
  5. 12. A type of polymerization reaction
  6. 15. The first step in addition polymerization
  7. 17. Two or more atoms held together by attractive forces
  8. 18. The last step in addition polymerization
  9. 19. An unrecyclable plastic
  10. 20. A type of thermoset
  11. 21. The most common compound found in a polymer
Down
  1. 1. A type of test used to determine a type of plastic
  2. 3. Polymer chains become stuck
  3. 4. Provides the desired colour to plastic material
  4. 6. A recyclable plastic
  5. 7. Light moves through material without being detected
  6. 10. Molecule that reacts with other molecules to form polymer chains
  7. 11. Added to a material to increase its plasticity
  8. 13. cellulose acetate and cellulose nitrate are ? plastics
  9. 14. The last shell
  10. 16. Polymer with viscoelasticity and weak intermolecular forces