C CHEMISTRY; METALLURGY
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
C08J3/00 Processes of treating or compounding macromolecular substances
C08J3/24 Crosslinking, e.g. vulcanising, of macromolecules