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CPC Subgroup
C08J 9/16

Making expandable particles

Full Title

Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) > Making expandable particles

2 direct subcodes

Child Classifications

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  • C08J 9/18 by impregnating polymer particles with the blowing agent
  • C08J 9/20 by suspension polymerisation in the presence of the blowing agent