Heat stabilization of PVC compositions containing a mixed metal

Details Heat stabilization of PVC compositions containing a mixed metal Heat stabilization of PVC compositions containing a mixed metal

1995-05-24

1996-10-01

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524398, 524425, C08K 324, C08K 504

Patent

active

055611826

ABSTRACT:
A method of stabilizing vinyl halide resin composition such as PVC by incorporating a mixed zinc/alkaline earth metal carboxylate stabilizer for said resin, a hydrotalcite and dibutyltin oxide in an amount to confer heat stability to said composition.

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Grossman, R. F., "Mixed Metal Vinyl Stabilizer Synergism. IV: Antimony Mercaptide/Group II Metal Carboxylate Blends," Antec '92, pp. 2288-2290.

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