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

1994-06-01

1995-09-19

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...

524400, 524409, 524424, C08K 520, C08K 509, C08K 322

Patent

active

054516285

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 antimony trioxide in an amount to confer heat stability to said composition.

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

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