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Patent EP0268280A2 successfully refreshed from Google Patents.
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EP0268280A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Thermoplastic resin composition

Assignee: Mitsubishi Chemical Corp
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Filing: 1987-11-17
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Granted: —
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Expires: 2007-11-17
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Abstract

Abstract A resin composition comprising an amorphous polymer as component (1), a crystalline polymer as component (2) and a rubber like polymer as component (3), wherein component (1) is dispersed in component (2) and component (3) is dispersed in component (2) in network form is disclosed. The resin composition has excellent mechanical properties such as impact strength, flexural modulus, etc.

Inventors

  • 👤 Hironari Sano
  • 👤 Kenyu Ohno

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 21:00
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L101/00; C08L67/00; C08L77/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 141 words
A thermoplastic resin composition comprising following components (1), (2) and (3), wherein component (2) forms a continuous phase, component (1) forms a continuous phase intermingled with component (2) or forms a dispersed phase in component (2), and component (3) is dispersed in component (1), at least a part of component (3) having a continuous structure; Component (1) from 5 to 65% by weight of an amorphous polymer having a glass transition temperature of at least 90°C Component (2) from 20 to 92% by weight of a crystalline polymer showing at least partially crystalline property and having a melting point of at least 100°C Component (3) from 3 to 50% by weight a rubber-like polymer having a storage shear modulus at room temperature of 5 × 10⁸ dyne/cm² or less all weight% being based on the weight of the thermoplastic resin composition.
Claim 2
Dependent Claim 141 words
A thermoplastic resin composition comprising following components (1), (2) and (3), wherein component (2) forms a continuous phase, component (1) forms a continuous phase intermingled with component (2) or forms a dispersed phase in component (2), and component (3) is dispersed in component (1), at least a part of component (3) having a continuous structure; Component (1) from 5 to 65% by weight of an amorphous polymer having a glass transition temperature of at least 90°C Component (2) from 20 to 92% by weight of a crystalline polymer showing at least partially crystalline property and having a melting point of at least 100°C Component (3) from 3 to 50% by weight a rubber-like polymer having a storage shear modulus at room temperature of 5 × 10⁸ dyne/cm² or less all weight% being based on the weight of the thermoplastic resin composition.
Claim 3
Dependent Claim 47 words
The thermoplastic resin composition as claimed in claim 1, wherein the proportion of component (1) is from 10 to 55% by weight, the proportion of component (2) is from 40 to 85% by weight, and the proportion of component (3) is from 5 to 35% by weight.
Claim 4
Dependent Claim 31 words
The thermoplastic resin composition as claimed in claim 1, wherein component (1) is at least one selected from the group consisting of polyphenylene ether, polycarbonate, amorphous polyamide, polystyrene, and ABS resin.
Claim 5
Dependent Claim 17 words
The thermoplastic resin composition as claimed in claim 1, wherein component (1) is polyphenylene ether or polycarbonate.
Claim 6
Dependent Claim 28 words
The thermoplastic resin composition as claimed in claim 1, wherein component (2) is at least one selected from the group consisting of polyolefin, crystalline polyamide, and polyalkylene terephthalate.
Claim 7
Dependent Claim 28 words
The thermoplastic resin composition as claimed in claim 1, wherein component (2) is at least one selected from the group consisting of polypropylene, crystalline polyamide, and polyethylene terephthalate.
Claim 8
Dependent Claim 31 words
The thermoplastic resin composition as claimed in claim 1, wherein component (1) is polyphenylene ether or polycarbonate, component (2) is polyolefin, and component (3) is an aromatic vinyl compound-conjugated diene copolymer.
Claim 9
Dependent Claim 72 words
The thermoplastic resin composition as claimed in claim 1, wherein the dispersed state of component (2) is that the number of the rubber-like dispersed particles having compactness C (obtained by C = 4πS/L², wherein S is an area of the rubber-like polymer phase and L is a circumferential length thereof) of 0.6 or lower is in the range of from 30% to 90% to the number of the whole rubber-like polymer particles.
Claim 10
Dependent Claim 32 words
The thermoplastic resin composition as claimed in claim 8, wherein the number of the rubber-like dispersed particles having compactness C of 0.6 or lower is in the range of 40% to 90%.
Claim 11
Dependent Claim 20 words
The thermoplastic resin composition as claimed in claim 1, wherein component (1) is in a form intermingled with component (2).

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