Polyphenylene ether resin composition

Details Polyphenylene ether resin composition Polyphenylene ether resin composition

1981-04-07

1983-05-10

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524128, 524130, 524132, 524147, 524323, C08K 553

Patent

active

043830668

ABSTRACT:
A polyphenylene ether resin composition having improved heat stability, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a phosphonic acid or its derivative of the formula ##STR1## wherein R.sub.1 represents an unsubstituted or substituted phenyl or naphthyl group, or a linear or branched alkyl group with 1 to 18 carbon atoms, or a group of the following formula (a) ##STR2## R.sub.2 and R.sub.3 are identical or different and each represents hydrogen atom, a metal, an unsubstituted or substituted phenyl group, or an alkyl group with 1 to 10 carbon atoms; and R.sub.4 is a divalent hydrocarbon group with 2 to 10 carbon atoms.

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patent: 3962377 (1976-06-01), Spivack
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patent: 4076690 (1978-02-01), Rosenberger
patent: 4191685 (1980-03-01), Haaf et al.
patent: 4251425 (1981-02-01), Ohara et al.
patent: 4255324 (1981-03-01), Granzow et al.
Moedritzer et al., Journal of Organic Chemistry, vol. 31, pp. 1603-1607 (1966).

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