US 4,341,879 AGranted

Polyphenylene ether resin composition having improved heat stability and impact strength

AssigneeMitsubishi Gas Chemical Company, Inc.

InventorsAkitoshi Sugio, Masanobu Masu, Masao Okabe, Masatugu Matunaga, Kozo Ishiyama

Life of this patent

Estimating the term…

Loading patent…

Abstract

A polyphenylene ether resin composition having improved heat stability, said composition comprising a polymer matrix composed of a polyphenylene ether resin and a vinyl aromatic resin, and dispersed in the polymer matrix, at least one compound selected from the group consisting of (1). 2-(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyanilino)-4,6-di-C.sub.5 -C.sub.15 -alkylthio-1,3,5-triazines, (2). .omega.,.omega.'-thiodi(C.sub.2 -C.sub.6 polymethylene)-bis[3-(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)-carboxylates], (3). N,N'-C.sub.2 -C.sub.10 polymethylene-bis[(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)carboxamides], and (4). tetrakis-{methylene-[(3,5-di-C.sub.1 -C.sub.10 alkyl-4-hydroxyphenyl)-polymethylene(C.sub.1 -C.sub.4)carboxylate]}methanes.

Claims26

Dependent claims

(1) compounds of the formula ##STR12## wherein R.sup.1 and R.sup.2 are identical or different and each represents an alkyl group having 5 to 15 carbon atoms, and R.sup.3 represents an alkyl group having 1 to 10 carbon atoms,
(2) compounds of the formula ##STR13## wherein R.sup.4 represents an alkyl group having 1 to 10 carbon atoms, n is an integer of 1 to 4, and m is an integer of 2 to 6,
(3) compounds of the formula ##STR14## wherein R.sup.5 represents an alkyl group having 1 to 10 carbon atoms, k is an integer of 1 to 4, and l is an integer of 2 to 10, and
(4) compounds of the formula ##STR15## wherein R.sup.6 represents an alkyl group having 1 to 10 carbon atoms, and p is an integer of 1 to 4.

1 more element

Dependencies are inferred from the claim text.