Chlorinated polyvinyl chloride compositions

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

403/64, 18/666,

C08J 9/06 (2006.01) C08J 9/00 (2006.01) C08J 9/14 (2006.01) C08L 27/24 (2006.01)

Patent

CA 1169999

Abstract of the Disclosure Composition of matter adapted to be foamed into essentially a closed cell structure, preponderance of the cells being less than 500 microns in size and containing a chlorofluoroalkane of 1 to 2 carbon atoms, said composition comprising chlorinated polyvinyl chloride resin, and effective amount of a blowing agent, an effective amount of a nucleating agent, and 5 to 20 parts of a processing aid per 100 parts of said resin, said processing aid has a dilute solution viscosity of greater than 2.5 and is selected from copolymers of styrene and acrylonitrile containing 10 to 40% of acrylonitrile.

410048

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