EP0148774A2
Expired / Lapsed
EP
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Polyphenylene ether resin composition
Assignee: Mitsubishi Gas Chemical Co Inc
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Filing: 1985-01-08
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Granted: —
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Expires: 2005-01-08
Abstract
Abstract A polyphenylene ether resin composition containing (A) a polyphenylene ether resin, (B) an aromatic polyester resin, and (C) a phenoxy resin. The resin composition may further contain (D) an unsaturated carboxylic acid and/or (E) a vinyl copolymer derived from a styrene compound and an alpha, beta-unsaturated dicarboxylic acid anhydride as comonomer components. The resin composition has excellent mechanical strength, solvent resistance, oil resistance and moldability.
Inventors
- 👤 Akitoshi C/O Mitsubishi Gas Kagaku K.K. Sugio
- 👤 Masao C/O Mitsubishi Gas Kagaku K.K. Okabe
- 👤 Akikazu C/O Mitsubishi Gas Kagaku K.K. Amagai
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 01:06
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
21 words
A polyphenylene ether resin composition comprising (A) a polyphenylene ether resin, (B) an aromatic polyester resin, and (C) a phenoxy resin.
Claim 2
Dependent Claim
21 words
A polyphenylene ether resin composition comprising (A) a polyphenylene ether resin, (B) an aromatic polyester resin, and (C) a phenoxy resin.
Claim 3
Dependent Claim
27 words
A composition according to claim 1 wherein the polyphenylene ether resin is a phenylene ether homopolymer, a phenylene ether random copolymer or a grafted phenylene ether polymer.
Claim 4
Dependent Claim
41 words
A composition according to claim 1 or 2 wherein the aromatic polyester resin is derived from an aromatic dicarboxylic acid as a main dicarboxylic acid component and an aliphatic diol having 2 to 10 carbon atoms as a main glycol component.
Claim 5
Dependent Claim
58 words
A composition according to claim 1, 2 or 3 wherein the phenoxy resin is composed mainly of recurring units represented by the formula wherein the X's are identical or different and each represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a halogen atom, and n is a number of at least 20.
Claim 6
Dependent Claim
52 words
A composition according to any one of claims 1 to 4 wherein the total weight of the aromatic polyester resin (B) and the phenoxy resin (C) is 5 to 95 % by weight based on the total weight of the polyphenylene ether resin (A), aromatic polyester resin (B) and phenoxy resin (C).
Claim 7
Dependent Claim
37 words
A composition according to claim 5 wherein the proportion of the phenoxy resin (C) is 1 to 99 % by weight based on the total weight of the aromatic polyester resin (B) and the phenoxy resin (C).
Claim 8
Dependent Claim
18 words
A composition according to any one of the preceding claims which further comprises (D) an unsaturated carboxylic acid.
Claim 9
Dependent Claim
37 words
A composition according to claim 7 wherein the total weight of the components (B), (C) and (D) is 5 to 95 % by weight based on the total weight of the components (A), (B), (C) and (D).
Claim 10
Dependent Claim
59 words
A composition according to claim 8 wherein, based on the total weight of the components (B), (C) and (D), the proportion of the component (B) is 10 to 98.5 % by weight, the proportion of the component (C) is 1 to 89.5 % by weight, and the proportion of the component (D) is 0.5 to 89 % by weight.
Claim 11
Dependent Claim
31 words
A composition according to any one of the preceding claims which further comprises (E) a vinyl copolymer derived from a styrene compound and an alpha,beta-unsaturated dicarboxylic acid anhydride as comonomer components.
Claim 12
Dependent Claim
37 words
A composition according to claim 10 wherein the total weight of the components (B), (C) and (E) is 5 to 95 % by weight based on the total weight of the components (A), (B), (C) and (E).
Claim 13
Dependent Claim
59 words
A composition according to claim 11 wherein, based on the total weight of the components (B), (C) and (E), the proportion of the component (B) is 10 to 89 % by weight, the proportion of the component (C) is 1 to 80 % by weight, and the proportion of the component (E) is 10 to 89 % by weight.
Claim 14
Dependent Claim
18 words
A composition according to any one of the preceding claims wherein glass fibers are incorporated as a filler.
Claim 15
Dependent Claim
14 words
Shaped articles of a composition as claimed in any one of the preceding claims.
References Cited (Backward Citations)
No citation records indexed.
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