POLYMERS AND THERMOSETTING

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Across
  1. 3. Polyethersulphones are alternatively linked by______ group.
  2. 5. Example of thermosets
  3. 8. Polymers that have organic functional groups linked together by carbonate groups:
  4. 9. Which polymer forms well defined irreversible chemical network?
Down
  1. 1. Example of Thermoset:
  2. 2. What process results in a tougher,harder and more stable linkage?
  3. 4. What is the process of making polyethersulfones called?
  4. 6. Example of thermoplastics
  5. 7. Physical geometry of Polyethersulphones: