Freezing materials

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 13/02 (2006.01) B29C 47/08 (2006.01) C08J 5/00 (2006.01) C08K 3/26 (2006.01)

Patent

CA 2336473

The present invention relates to mixtures that include special homo- and/or copolymers or graft polymers derived therefrom, chalk as well as anti-friction agents and/or release agents, wherein said mixtures are used as freezing materials during the forming process of materials that contain polyvinyl chloride.

L'invention concerne l'utilisation de mélanges d'homo- et/ou de copolymères spéciaux ou de polymères greffés dérivés des précédents, de craie et d'agents antifriction et/ou d'agents de démoulage comme matières de congélation lors du traitement de façonnage de matières contenant du chlorure de polyvinyle.

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