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PCE
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IPC Subgroup
C08J 9/16

Making expandable particles

Introduced: July 1974

Last revised: January 2006

Full Title

Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof > Making expandable particles

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
Subclass:
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES , , , or

2 direct subcodes

Child Classifications

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  • C08J 9/18 by impregnating polymer particles with the blowing agent
  • C08J 9/2 by suspension polymerisation in the presence of the blowing agent