Heat stabilizers for polyvinyl chloride

Details Heat stabilizers for polyvinyl chloride Heat stabilizers for polyvinyl chloride

C - Chemistry, Metallurgy

08

K

400/9365

C08K 5/20 (2006.01) C08K 5/36 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1064188

ABSTRACT OF THE DISCLOSURE Thermal stability of vinyl chloride polymer is im- proved by use of a compound of the formula Image wherein R1 is aryl or lower alkyl-substituted aryl; R2 is hy- drogen or lower alkyl; n is 1 or 2; find Rs is hydrogen or lower alkyl when n is 1 and is alkylene of 1 to 4 carbon atoms or thiodiethylene when n is 2, alone or in combination with a divalent metal salt of a fatty acid of 12-20 carbon atoms.

263630

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