Polyphenylene ether resin composition having improved heat stabi

Details Polyphenylene ether resin composition having improved heat stabi Polyphenylene ether resin composition having improved heat stabi

1983-03-15

1984-01-24

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 92, 525135, 525152, C08K 550, C08K 553

Patent

active

044278144

ABSTRACT:
A polyphenylene ether resin composition having improved heat stability and good color, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a diphosphonite of the formula ##STR1## wherein R.sub.1 groups are identical or different and each represents a linear or branched alkyl group having 1 to 10 carbon atoms.

REFERENCES:
patent: 4075163 (1978-02-01), Hofer et al.
patent: 4143028 (1979-03-01), Spivack
patent: 4154719 (1979-05-01), Abolins et al.

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