Stabilized vinyl halide resin and compositions and articles...

Details Stabilized vinyl halide resin and compositions and articles... Stabilized vinyl halide resin and compositions and articles...

C - Chemistry, Metallurgy

08

F

402/543, 402/615

C08F 2/42 (2006.01) C08F 14/06 (2006.01) C08K 5/00 (2006.01) C08K 5/13 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1281844

ABSTRACT OF THE DISCLOSURE It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: Image wherein R' = Image and Image wherein p is 1 or 2 and q is 0 or 1; provided that p+q = 1 or 2. The groups R1, R2, R3, R4, Z and W are defined hereafter. The compounds 2,5-di-t-amylhydroquinone and 2,5-di-t-butylhydroquinone are particularly desirable as shortstop agents in the polymerization of vinyl chloride. These hydroquinones als0 function as stabilizers for the resin and finished articles made therefrom.

507574

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