Phosphinic acid flame retardants for polyphenylene ether resins

Details Phosphinic acid flame retardants for polyphenylene ether resins Phosphinic acid flame retardants for polyphenylene ether resins

1980-07-03

1982-03-23

Anderson, Harold D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525132, C08K 550

Patent

active

043211879

ABSTRACT:
Flame retardant compositions are prepared from rubber-modified polyphenylene ether resins and a phosphinic acid of the formula ##STR1## wherein R is aryl, alkyl, cycloalkyl and beta-cyano-substituted alkyl, and R' is hydrogen or the same groups as R.

REFERENCES:
patent: 3322716 (1967-05-01), Klein et al.
patent: 4101504 (1978-07-01), Cooper et al.

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