Patent US5166237A successfully refreshed from Google Patents.
US5166237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic resin composition
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1990-02-20
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Granted: 1992-11-24
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Expires: 2010-02-20
Abstract
Abstract A novel thermoplastic composition having improved paint adhesion strength comprising, A) from about 5 to 95 weight % of a6t least one polyphenylene ether. B) from about 95 to 5 weight % of at least one polyamide, C) paint adhesion improving amount of at least one paint adhesion improver selected from the class consisting of (1) homopolymers or copolymers of unsaturated nitrile compounds and (2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher of ethylene, D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene either and polyamide.
Inventors
- 👤 Hiroomi Abe
- 👤 Taichi Nishio
- 👤 Takashi Sanada
- 👤 Noriyasu Kagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:26
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/123; C08L77/00; C08L63/00
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
112 words
A thermoplastic composition, having improved paint adhesion 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) paint adhesion improving amount of at least one paint adhesion improver selected from the class consisting of (1) homopolymers or copolymers of unsaturated nitrile compounds and (2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher of ethylene, D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene ether and polyamide.
Claim 2
Dependent Claim
112 words
A thermoplastic composition, having improved paint adhesion 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) paint adhesion improving amount of at least one paint adhesion improver selected from the class consisting of (1) homopolymers or copolymers of unsaturated nitrile compounds and (2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher of ethylene, D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene ether and polyamide.
Claim 3
Dependent Claim
36 words
A thermoplastic composition according to claim 1 wherein the said paint adhesion improver is incorporated in the amount from about 0.5 to 30 parts by weight based on the total of the polyphenylene ether and polyamide.
Claim 4
Dependent Claim
17 words
A thermoplastic composition according to claim 2 wherein the said unsaturated nitrile compounds are acrylonitrile and/or methacrylonitrile.
Claim 5
Dependent Claim
30 words
A thermoplastic composition according to claim 3 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 6
Dependent Claim
12 words
A thermoplastic composition according to claim 4 wherein polyamide is polyamide 6.
Claim 7
Dependent Claim
12 words
A thermoplastic composition according to claim 4 wherein polyamide is polyamide 66.
Claim 8
Dependent Claim
18 words
A thermoplastic composition according to claim 4 wherein polyamide is a blend of polyamide 6 and polyamide 66.
Claim 9
Dependent Claim
13 words
A thermoplastic composition according to claim 4 wherein polyamide is an amorphous polyamide.
Claim 10
Dependent Claim
19 words
A thermoplastic composition according to claim 4 wherein polyamide is a blend of polyamide 6 and an amorphous polyamide.
Claim 11
Dependent Claim
19 words
A thermoplastic composition according to claim 4 wherein polyamide is a blend of polyamide 66 and an amorphous polyamide.
Claim 12
Dependent Claim
29 words
A thermoplastic composition according to claim 4, wherein, the unsaturated nitrile compound is acrylonitrile; and the polyamide is polyamide 6, polyamide 6, an amorphous polyamide, or a blend thereof.
Claim 13
Dependent Claim
17 words
A thermoplastic composition according to claim 11 wherein the paint adhesion improver is styrene acrylonitrile copolymer (SAN).
Claim 14
Dependent Claim
20 words
A thermoplastic composition according to claim 11 wherein the paint adhesion improver is a styrene and acrylonitrile grafted polybutadiene (ABS).
Claim 15
Dependent Claim
21 words
A thermoplastic composition according to claim 11 wherein the paint adhesion improver is an acrylonitrile and at least one alkyl(meth)acrylate copolymer.
Claim 16
Dependent Claim
29 words
A thermoplastic composition according to claim 4 wherein the paint adhesion improver is polymethylmethacrylate; and said polyamide is polyamide 6, polyamide 66, an amorphous polyamide or a blend thereof.
Claim 17
Dependent Claim
34 words
A thermoplastic composition according to claim 4 wherein the paint adhesion improver is a copolymer or terpolymer among alkyl(meth)acrylates; and the polyamide is polyamide 6, polyamide 66, an amorphous polyamide or a blend thereof.
Claim 18
Dependent Claim
22 words
A thermoplastic composition according to claim 11 wherein the paint adhesion improver is a an acrylic rubber having a crosslinkable comonomer therein.
Claim 19
Dependent Claim
23 words
A thermoplastic composition according to claim 11 wherein the paint adhesion improver is a combination of an acrylonitrile polymer and an alkyl(meth)acrylate polymer.
Claim 20
Dependent Claim
15 words
Substrate having improved paint adhesion strength fabricated from a thermoplastic composition according to claim 1.
Claim 21
Independent Claim
137 words
A method to improve paint adhesion strength of a substrate fabricated from a thermoplastic composition 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 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene either and polyamide, said method of improving paint adhesion to said substrate comprising adding to said composition (D) an amount effective to improve paint adhesion of a paint adhesion improver selected from the group consisting of: (1) homopolymers or copolymers of unsaturated nitrile compounds; (2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher or ethylene; and, (3) combinations thereof.
Claim 22
Independent Claim
137 words
A method to improve paint adhesion strength of a substrate fabricated from a thermoplastic composition 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 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene either and polyamide, said method of improving paint adhesion to said substrate comprising adding to said composition (D) an amount effective to improve paint adhesion of a paint adhesion improver selected from the group consisting of: (1) homopolymers or copolymers of unsaturated nitrile compounds; (2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher or ethylene; and, (3) combinations thereof.
Claim 23
Dependent Claim
35 words
A method according to claim 20 wherein the said paint adhesion improver is incorporated in the amount from about 0.5 to 30 parts by weight based on the total of the polyphenylene ether and polyamide.
Claim 24
Dependent Claim
25 words
A method according to claim 21 wherein the said unsaturated nitrile compounds is selected from the group consisting of acrylonitrile, methacrylonitrile and a combination thereof.
Claim 25
Dependent Claim
38 words
A method according to claim 22 wherein the polyphenylene ether is selected from the group consisting of poly (2,6 dimethyl -1, 4-phenylene) ether, a copolymer of 2, 6 dimethylphenol and 2, 3, 6 trimethylphenol, and a combination thereof.
Claim 26
Dependent Claim
11 words
A method according to claim 23 wherein polyamide is polyamide 6.
Claim 27
Dependent Claim
11 words
A method according to claim 23 wherein polyamide is polyamide 66.
Claim 28
Dependent Claim
17 words
A method according to claim 23 wherein polyamide is a blend of polyamide 6 and polyamide 66.
Claim 29
Dependent Claim
12 words
A method according to claim 23 wherein polyamide is an amorphous polyamide.
Claim 30
Dependent Claim
17 words
A method according to claim 23 wherein polyamide is a blend of polyamide 6 and amorphous polyamide.
Claim 31
Dependent Claim
18 words
A method according to claim 23 wherein polyamide is a blend of polyamide 66 and an amorphous polyamide.
Claim 32
Dependent Claim
28 words
A method according to claim 23, wherein the unsaturated nitrile compound is crylonitrile; and the polyamide is polyamide 6, polyamide 66, an amorphous polyamide, or a blend thereof.
Claim 33
Dependent Claim
16 words
A method according to claim 30 wherein the paint adhesion improver is styrene acrylonitrile copolymer (SAN).
Claim 34
Dependent Claim
19 words
A method according to claim 30 wherein the paint adhesion improver is a styrene and acrylonitrile grafted polybutadiene (ABS).
Claim 35
Dependent Claim
20 words
A method according to claim 30 wherein the paint adhesion improver is an acrylonitrtile and at least one alkyl(meth)acrylate copolymer.
Claim 36
Dependent Claim
28 words
A method according to claim 23 wherein the paint adhesion improver is polymethylmethacrylate; and said polyamide is polyamide 6, polyamide 66, an amorphous polyamide or a blend thereof.
Claim 37
Dependent Claim
34 words
A method according to claim 23 wherein the paint adhesion improver is a copolymer or terpolymer among alkyl(meth) acrylates; and the polyamide is polyamide 6, polyamide 66, an amorphous polyamide, or a blend thereof.
Claim 38
Dependent Claim
20 words
A method according to claim 30 wherein the paint adhesion improver is an acrylic rubber having a crosslinkable comonomer therein.
Claim 39
Dependent Claim
22 words
A method according to claim 30 wherein the paint adhesion improver is a combination of an acrylonitrile polymer and an alkyl(meth)acrylate polymer.
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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) | 1995-11-24 | 1996-05-25 | 1996-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-24 | 2000-05-25 | 2000-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-24 | 2004-05-25 | 2004-11-24 | $7700.00 | Window Closed / Lapsed |