WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)

Description

C08J covers general processing, compounding, and post-treatment operations for organic macromolecular compounds (polymers, rubbers, resins) that are not specifically classified in other C08 subclasses. This includes mixing, blending, plasticizing, cross-linking, vulcanization, and mechanical working-up of polymeric materials to modify their properties or prepare composite formulations. The subclass captures broad processing techniques applicable across multiple polymer types and applications, serving as a residual category for compounding operations and after-treatments not detailed in specialized divisions such as polyurethanes (C08G), elastomers (C08C), or specific polymer synthesis routes.

112 direct subcodes

Child Classifications

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C08J 11/00 Recovery or working-up of waste materials (recovery of plastics B29B17/00; polymerisation processes involving purification or recycling of waste polymers or their depolymerisation products C08B, C08C, C08F, C08G, C08H)
C08J 2201/00 Foams characterised by the foaming process
C08J 2203/00 Foams characterized by the expanding agent
C08J 2205/00 Foams characterised by their properties
C08J 2207/00 Foams characterised by their intended use
C08J 2300/00 Characterised by the use of unspecified polymers
C08J 2301/00 Characterised by the use of cellulose, modified cellulose or cellulose derivatives
C08J 2303/00 Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
C08J 2305/00 Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
C08J 2307/00 Characterised by the use of natural rubber
C08J 2309/00 Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
C08J 2311/00 Characterised by the use of homopolymers or copolymers of chloroprene
C08J 2313/00 Characterised by the use of rubbers containing carboxyl groups
C08J 2315/00 Characterised by the use of rubber derivatives (C08J2311/00, C08J2313/00 takes precedence)
C08J 2317/00 Characterised by the use of reclaimed rubber
C08J 2319/00 Characterised by the use of rubbers not provided for in groups C08J2307/00 - C08J2317/00
C08J 2321/00 Characterised by the use of unspecified rubbers
C08J 2323/00 Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
C08J 2325/00 Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
C08J 2327/00 Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers