C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
C08J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
C08J9/00
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
C08J9/00
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
C08J9/16
Making expandable particles
C08J9/16
Making expandable particles
C08J9/18
by impregnating polymer particles with the blowing agent
C08J9/18
by impregnating polymer particles with the blowing agent