IPC 6 English version C08J !A-C08J 11/28

C08J-C08J01128

SECTION C– CHEMISTRY; METALLURGY

C 08

ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (manufacture or treatment of artificial threads, fibres, bristles or ribbons D 01)

C 08 J

WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C 08 B, C 08 C, C 08 F, C 08 G (mechanical aspects B 29; layered products, manufacture thereof B 32 B; treatment of macromolecular material specially adapted to enhance its filling properties in mortars, concrete or artificial stone C 04 B 16/04, C 04 B 18/20, C 04 B 20/00; treatment of textiles D 06) [2]

Notes

(1)

This subclass covers processes, not covered by subclasses C 08 B to C 08 H, for treating polymers. [4]

(2)

In this subclass, in the absence of an indication to the contrary, classification is made in the last appropriate place. [2]

(3)

In this subclass, it is desirable to add the indexing codes of subclass C 08 L. The indexing codes should be unlinked. [5]

Processes of treating or compounding macromolecular substances [2]

Making solutions, dispersions, latices or gels by other methods than by solution, emulsion or suspension polymerisation techniques [2]

in aqueous media [5]

from solid polymers [5]

from polymer solutions [5]

075

Macromolecular gels [6]

in organic liquids [5]

from solid polymers [5]

Powdering or granulating [2]

by precipitation from solutions [2]

by coagulating dispersions [2]

Plasticising macromolecular compounds (plasticisers C 08 K) [2]

Compounding polymers with additives, e.g. colouring [2]

205

in the presence of a liquid phase [5]

the polymer being premixed with a liquid phase [5]

215

at least one additive being also premixed with a liquid phase [5]

using masterbatch techniques [2]

Crosslinking, e.g. vulcanising, of macromolecules (mechanical aspects B 29 C 35/00; crosslinking agents C 08 K) [2]

of latex [2]

Treatment by wave energy or particle radiation [2]

Manufacture of articles or shaped materials containing macromolecular substances (shaping of foodstuffs A 23 P; manufacture of semi-permeable membranes B 01 D 67/00 to B 01 D 71/00; mechanical features, see the relevant classes, e.g. B 29) [2]

Direct processing of dispersions, e.g. latex, to articles [2]

Reinforcing macromolecular compounds with loose or coherent fibrous material (after-treatment of threads during manufacture D 01 F) [2]

using pretreated fibrous materials [2]

glass fibres [2]

characterised by the additives used in the polymer mixture [2]

Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives [2]

Manufacture of abrasive or friction articles or materials [2]

Manufacture of articles or materials having reduced friction [2]

Manufacture of films or sheets [2]

Manufacture of shaped structures of ion-exchange resins [2]

Films, membranes or diaphragms [2]

Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs [2]

Chemical treatment or coating of shaped articles made of macromolecular substances (coating with metallic material C 23 C; electrolytic deposition of metals C 25) [2]

with solvents, e.g. swelling agents [2]

Coating [2]

with compositions not containing macromolecular substances [2]

Chemical modification [2]

with acids, their salts or anhydrides [2]

with polymerisable compounds [2]

using wave energy or particle radiation [2]

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 B 29 C; foamed polymeric products of isocyanates or isothiocyanates characterised by the monomers or catalysts used C 08 G 18/00) [2]

using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules [2]

using blowing gases generated by a previously added blowing agent [2]

by a chemical blowing agent [2]

developing carbon dioxide [2]

developing nitrogen [2]

by a physical blowing agent [2]

organic [2]

Note

In groups C 08 J 9/16 to C 08 J 9/232, the following term is used with the meaning indicated:

–

"expandable" includes also expanding, pre-expanded or expanded. [5]

Making expandable particles [2,5]

by impregnating polymer particles with the blowing agent [2]

by suspension polymerisation in the presence of the blowing agent [2]

After-treatment of expandable particles; Forming foamed products [2,5]

224

Surface treatment [5]

228

Forming foamed products [5]

232

by sintering expandable particles [5]

236

using binding agents [5]

by surface fusion and bonding of particles to form voids, e.g. sintering (of expandable particles C 08 J 9/232) [2,5]

by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out [2]

by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum [2]

by mixing gases into liquid compositions or plastisols, e.g. frothing with air [2]

from compositions containing micro-balloons, e.g. syntactic foams (making micro-balloons B 01 J 13/02) [2]

Agglomerating foam fragments, e.g. waste foam [5]

Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core [2]

Composite foams, i.e. continuous macromolecular foams containing discontinuous cellular particles or fragments [5]

After-treatment (C 08 J 9/22 takes precedence) [2,5]

Destruction of cell membranes [2]

Impregnation [2]

with macromolecular compounds [2]

11/

Recovery or working-up of waste materials (mechanical treatments B 29; polymerisation processes involving purification or recycling of waste polymers or their depolymerisation products C 08 B, C 08 C, C 08 F, C 08 G, C 08 H) [4]

11/

of solvents, plasticisers or unreacted monomers [4]

11/

of polymers [2]

11/

without chemical reactions [4]

11/

using selective solvents for polymer components (working-up tar by extraction with selective solvents C 10 C 1/18; working-up pitch, asphalt, bitumen by selective extraction C 10 C 3/08) [4]

11/

by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation (depolymerisation to the original monomer C 07) [4]

11/

by dry-heat treatment only (destructive distillation of carbonaceous materials for production of gas, coke, tar or similar matters C 10 B) [4]

11/

by treatment with steam or water [4]

11/

by treatment with inorganic material (C 08 J 11/14 takes precedence) [4]

11/

by treatment with organic material [4]

11/

by treatment with hydrocarbons or halogenated hydrocarbons [4]

11/

by treatment with organic oxygen-containing compounds [4]

11/

containing hydroxyl groups [4]

11/

containing carboxylic acid groups, their anhydrides or esters [4]

11/

by treatment with organic compounds containing nitrogen, sulfur or phosphorus [4]