EP0262901A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Thermoplastic resin composition
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1987-09-28
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Granted: —
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Expires: 2007-09-28
Abstract
Abstract A novel thermoplastic resin composition excellent in heat resistance, mechanical properties and processability is provided which comprises a composition containing (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: wherein R₁, R₂, R₃, R₄ and R₅ each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom, (B) a crystalline thermoplstic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), the average particle diameter in said dispersing phase being 0.01 - 10 µm.
Inventors
- 👤 Taichi Nishio
- 👤 Takashi Sanada
- 👤 Satoru Hosoda
- 👤 Kenji Nagaoka
- 👤 Takayuki Okada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 08:30
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L21/00; C08L59/00; C08L63/00; C08L67/00; C08L77/00; C08L81/00; C08L81/02; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
92 words
A thermoplastic resin composition which comprises a composition comprising (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: wherein R₁, R₂, R₃, R₄ and R₅ each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom, (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), the average particle diameter in said dispersing phase being 0.01 - 10 µm.
Claim 2
Dependent Claim
92 words
A thermoplastic resin composition which comprises a composition comprising (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: wherein R₁, R₂, R₃, R₄ and R₅ each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom, (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), the average particle diameter in said dispersing phase being 0.01 - 10 µm.
Claim 3
Dependent Claim
24 words
A composition according to claim 1 obtained by kneading first (A) and (C) to provide a mixture and then kneading (B) with the mixture.
Claim 4
Dependent Claim
27 words
A composition according to claim 1 or 2 wherein the polyphenylene ether (A) has a reduced viscosity of 0.40 - 0.60 measured in chloroform solution at 25°C.
Claim 5
Dependent Claim
20 words
A composition according to claim 3 wherein the polyphenylene ether for (A) has a reduced viscosity 0f 0.45 - 0.55.
Claim 6
Dependent Claim
34 words
A composition according to any one of the preceding claims wherein the thermoplastic resin matrix phase (B) comprises at least one of polyethylene, polypropylene, polyamide, thermoplastic polyester, polyacetal, polyphenylene sulfide and polyether ether ketone.
Claim 7
Dependent Claim
60 words
A composition according to any one of the preceding claims wherein the mutual compatibilizer (C) is at least one compound containing in its molecule, at least one of carboxyl group, acid anhydride group, acid amide group, imide group, caboxylate group, epoxy group, amino group, isocyanate group, oxazoline ring-containing group and hydroxyl group, or a modified rubber-like material or epoxy compound.
Claim 8
Dependent Claim
45 words
A composition according to claim 6 wherein the rubber-like material is one modified with at least one compound containing, in its molecule, at least one of carboxyl group, acid anhydride group, acid amide group, imide group, carboxylate group, amino group, isocyanate group and hydroxyl group.
Claim 9
Dependent Claim
45 words
A composition according to claim 6 or 7 wherein the compound containing in its molecule, at least one of carboxyl group, acid anhydride group, acid amide group, imide group and amino group is acrylic acid, maleic acid, fumaric acid, maleic anhydride, maleic hydrazide or maleimide.
Claim 10
Dependent Claim
22 words
A composition according to claim 6 wherein the epoxy compound as the mutual compatibilizer (C) is an epoxy resin and/or precursor thereof.
Claim 11
Dependent Claim
41 words
A composition according to claim 6 wherein the epoxy compound as the mutual compatibilizer (C) is a copolymer comprising ethylene and an unsaturated epoxy compound and/or a copolymer comprising ethylene, an ethylenically unsaturated compound excluding ethylene and an unsaturated epoxy compound.
Claim 12
Dependent Claim
26 words
A composition according to any one of the preceding claims wherein the average diameter of particles in the dispersing phase (A) is 0.05 - 5 µm.
Claim 13
Dependent Claim
15 words
A composition according to claim 11 wherein the average diameter is 0.05 - 3 µm.
Claim 14
Dependent Claim
15 words
A composition according to claim 11 wherein the average diameter is 0.1 - 2 µm.
Claim 15
Dependent Claim
15 words
A composition according to claim 11 wherein the average diameter is 0.1 - 1.8 µm.
Claim 16
Dependent Claim
53 words
A composition according to any one of the preceding claims wherein the amount of (A) is 1 - 65% by weight, that of (B) is 35 - 98.9% by weight and that of (C) is 0.1 - 50% by weight, the percentages being based on the combined weight of (A), (B) and (C).
Claim 17
Dependent Claim
60 words
A composition according to any one of the preceding claims, which also comprises, per 100 parts by combined weight of (A), (B) and (C), 1 - 50 parts by weight of (D) a fibrous reinforcing composite material having an aspect ratio of 10 or more and/or (E) an inorganic filler having an average particle diameter of 10 µm or less.
Claim 18
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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