Polymer stabilizer and polymer composition stabililzed therewith

Details Polymer stabilizer and polymer composition stabililzed therewith Polymer stabilizer and polymer composition stabililzed therewith

1991-06-27

1993-07-06

Hoke, Veronica P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

C09K 1502

Patent

active

052251080

ABSTRACT:
Stabilizer compositions including blends of sodium perchlorate hydrate and calcium silicate are disclosed. Free flowing powder compositions of reduced hazard level including calcium silicate, non-absorbing diluent powder such as calcium carbonate, and a solution of sodium perchlorate in water are also disclosed. Vinyl halide compositions especially those used for motor vehicle components having improved long term stability at moderate aging temperatures of about 180.degree. F. to about 275.degree. F., and processes for preparing such compositions, are also disclosed.

REFERENCES:
patent: 4221687 (1980-09-01), Minagawa et al.
patent: 4675356 (1987-06-01), Miyata
patent: 4751261 (1988-06-01), Miyata et al.
patent: 4861816 (1989-08-01), Kobayashi et al.
patent: 4861816 (1989-08-01), Kobayashi et al.
patent: 4950704 (1990-08-01), Croce et al.
patent: 4957954 (1990-09-01), Iizuka et al.
CA 89:25386f.

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