Compositions of mixed aluminum alkaline-earth metal hydroxide ty

Details Compositions of mixed aluminum alkaline-earth metal hydroxide ty Compositions of mixed aluminum alkaline-earth metal hydroxide ty

1995-07-19

1997-09-23

Hoke, Veronica P.

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...

423600, C08K 322

Patent

active

056705689

ABSTRACT:
This invention relates to compositions resulting from the reaction, in aqueous phase, of aluminum hydroxide, of alkali metal cation hydroxide and of calcium or strontium hydroxide. The addition of such a composition to PVC resins or to olefinic resins from Ziegler catalysis prevents the degradation of these resins under the effect of light or of heat, in particular during extrusion.

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