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The four industrial polymerisation techniques are bulk, solution, suspension and

  • A.emulsion
  • B.extrusion of the melt
  • C.calendering into sheet
  • D.vulcanisation of rubber

Answer: A

The last three are processing operations carried out on a polymer that already exists. The four techniques differ in how the heat of reaction is removed and how the product is recovered. Each gives the polymer in a different physical form.

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