US5084511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic resin composition
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1989-07-07
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Granted: 1992-01-28
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Expires: 2009-07-07
Abstract
Abstract A novel thermoplastic composition having improved paint adhesion strength and excellent impact strength comprising, A) from about 5 to 95 weight % of at least one polyphenylene ether, B) from about 95 to 5 weight % of at least one polyamide, C) from about 5 to 50 parts by weight based on 100 parts by weight of the total of polyphenylene ether and polyamide, of at least one elastomeric material selected from ethylene α-olefin (diene) copolymers with at least one vinyl aromatic monomer and at least one unsaturated functional monomer selected from unsaturated nitrile monomers and alkyl(meth)acrylates grafted thereto, and D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 parts by weight of the total of polyphenylene ether and polyamide.
Inventors
- 👤 Hiroomi Abe
- 👤 Yasurou Suzuki
- 👤 Mitsuji Tsuji
- 👤 Kenji Nagaoka
- 👤 Takashi Sanada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L77/00; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
212 words
A thermoplastic composition having improved paint adhesion strength comprising, (A) from about 5 to 95 weight percent of at least one polyphenylene ether, (B) from about 95 to 5 weight percent of at least one polyamide, (C) from about 5 to 50 parts by weight based on 100 parts by weight of the total of polyphenylene ether and polyamide, of at least one elastomeric material which is ethylene α-olefin (diene) copolymers with at least one vinyl aromatic monomer and at least one unsaturated functional monomer selected from the group consisting of unsaturated nitrile monomers and alkyl(meth)acrylates grafted thereto, the said elastomeric material consisting of a) from about 50 to 90 percent by weight of at least one of the ethylene α-olefin (diene) copolymers b) correspondingly from about 50 to 10 percent by weight of the total of the vinyl aromatic monomer(s) and the unsaturated functional monomer(s), the said unsaturated functional monomer(s) being present from about 2 to 20 percent by weight in the total of the polymerized vinyl aromatic monomer(s) and the unsaturated functional monomer(s), and (D) from about 0.01 to 30 parts by weight of at least one agent capable of compatibilizing (A) and (B) above, based on 100 parts by weight of the total of the polyphenylene ether and polyamide.
Claim 2
Dependent Claim
212 words
A thermoplastic composition having improved paint adhesion strength comprising, (A) from about 5 to 95 weight percent of at least one polyphenylene ether, (B) from about 95 to 5 weight percent of at least one polyamide, (C) from about 5 to 50 parts by weight based on 100 parts by weight of the total of polyphenylene ether and polyamide, of at least one elastomeric material which is ethylene α-olefin (diene) copolymers with at least one vinyl aromatic monomer and at least one unsaturated functional monomer selected from the group consisting of unsaturated nitrile monomers and alkyl(meth)acrylates grafted thereto, the said elastomeric material consisting of a) from about 50 to 90 percent by weight of at least one of the ethylene α-olefin (diene) copolymers b) correspondingly from about 50 to 10 percent by weight of the total of the vinyl aromatic monomer(s) and the unsaturated functional monomer(s), the said unsaturated functional monomer(s) being present from about 2 to 20 percent by weight in the total of the polymerized vinyl aromatic monomer(s) and the unsaturated functional monomer(s), and (D) from about 0.01 to 30 parts by weight of at least one agent capable of compatibilizing (A) and (B) above, based on 100 parts by weight of the total of the polyphenylene ether and polyamide.
Claim 3
Dependent Claim
24 words
A thermoplastic composition according to claim 1 wherein polyphenylene ether is poly(2,6-dimethyl-1,4-phenylene) ether or a copolymer of 2,6-dimethylphenol and 2,3,6-trimethylphenol or a combination thereof.
Claim 4
Dependent Claim
12 words
A thermoplastic composition according to claim 2 wherein polyamide is polyamide 6.
Claim 5
Dependent Claim
12 words
A thermoplastic composition according to claim 2 wherein polyamide is polyamide 66.
Claim 6
Dependent Claim
18 words
A thermoplastic composition according to claim 2 wherein polyamide is a blend of polyamide 6 and polyamide 66.
Claim 7
Dependent Claim
13 words
A thermoplastic composition according to claim 2 wherein polyamide is an amorphous polyamide.
Claim 8
Dependent Claim
19 words
A thermoplastic composition according to claim 2 wherein polyamide is a blend of polyamide 6 and an amorphous polyamide.
Claim 9
Dependent Claim
19 words
A thermoplastic composition according to claim 2 wherein polyamide is a blend of polyamide 66 and an amorphous polyamide.
Claim 10
Dependent Claim
30 words
A thermoplastic composition according to claims 3 through 8 wherein polyamide is present in the amount at least enough to form the continuous phase of the polyphenylene ether polyamide blend.
Claim 11
Dependent Claim
13 words
A thermoplastic composition according to claim 9 wherein vinyl aromatic compound is styrene.
Claim 12
Dependent Claim
13 words
A thermoplastic composition according to claim 10 wherein unsaturated functional monomer is acrylonitrile.
Claim 13
Dependent Claim
14 words
A thermoplastic composition according to claim 10 wherein unsaturated functional monomer is an alkyl(meth)acrylate.
Claim 14
Dependent Claim
18 words
A thermoplastic composition according to claims 10 through 12 wherein ethylene α-olefin (diene) copolymer is ethylene propylene copolymer.
Claim 15
Dependent Claim
17 words
A thermoplastic composition according to claim 10 wherein the ethylene α-olefin (diene) copolymer is ethylene butene-1 copolymer.
Claim 16
Dependent Claim
18 words
A thermoplastic composition according to claim 10 wherein the ethylene α-olefin (diene) copolymer is ethylene propylene ethylidenenorbornen copolymer.
Claim 17
Dependent Claim
18 words
A thermoplastic composition according to claim 10 wherein the ethylene α-olefin (diene) copolymer is ethylene propylene cyclopentadiene copolymer.
Claim 18
Dependent Claim
18 words
A thermoplastic composition according to claim 10 wherein the ethylene α-olefin (diene) copolymer is ethylene propylene 1,4-hexadiene copolymer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-27 | 1995-07-29 | 1996-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-27 | 1999-07-29 | 2000-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-27 | 2003-07-29 | 2004-01-28 | $7700.00 | Window Closed / Lapsed |