US4390657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of polycarbonate, an ABS resin and an acrylate-methacrylate interpolymer
Assignee: General Electric Co
•
Filing: 1981-10-19
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Granted: 1983-06-28
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Expires: 2001-10-19
Abstract
Abstract This application discloses novel thermoplastic molding compositions of a polycarbonate, a copolymer which comprises acrylonitrile-butadiene-alkenyl aromatic compound and a multiphase acrylic interpolymer.
Inventors
- 👤 Ping Y. Liu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:27
CPC Classifications
C; C08; C08L; C08L69/00
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
43 words
A thermoplastic molding composition which comprises: (a) a polycarbonate resin; (b) a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 2
Dependent Claim
43 words
A thermoplastic molding composition which comprises: (a) a polycarbonate resin; (b) a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 3
Dependent Claim
20 words
A thermoplastic molding composition as defined in claim 1 wherein component (b) is a copolymer of acrylonitrile, butadiene and styrene.
Claim 4
Dependent Claim
29 words
A thermoplastic molding composition as defined in claim 2 wherein the polycarbonate resin is of the formula: ##STR3## wherein A is a divalent aromatic radical of a dihydric phenol.
Claim 5
Dependent Claim
36 words
A thermoplastic molding composition as defined in claim 3 wherein the polycarbonate resin is of the formula: ##STR4## wherein R 1 and R 2 are hydrogen, (lower) alkyl or phenyl and n is at least 30.
Claim 6
Dependent Claim
58 words
A thermoplastic molding composition as defined in claim 4 wherein in the multiphase composite interpolymer, the methacrylate is selected from the group consisting of methyl methacrylate, 1,3-butylene dimethacrylate, isobutyl methacrylate, butyl methacrylate and ethyl methacrylate and the acrylate is selected from the group consisting of 1,4-butanediol diacrylate, isobutyl acrylate, methyl acrylate, ethyl acrylate, n-butyl acrylate and 1,3-butylene diacrylate.
Claim 7
Dependent Claim
17 words
A thermoplastic molding composition as defined in claim 5 wherein the polycarbonate resin is derived from 2,2-bis-(4-hydroxyphenyl)propane.
Claim 8
Dependent Claim
18 words
A thermoplastic molding composition as defined in claim 6 wherein the interpolymer comprises methyl methacrylate and n-butyl acrylate.
Claim 9
Dependent Claim
21 words
A thermoplastic molding composition as defined in claim 1 wherein component (b) is a copolymer of acrylonitrile, butadiene and methyl styrene.
Claim 10
Dependent Claim
28 words
A thermoplastic molding composition as defined in claim 8 wherein the polycarbonate is of the formula: ##STR5## wherein A is a divalent aromatic radical of a dihydric phenol.
Claim 11
Dependent Claim
36 words
A thermoplastic molding composition as defined in claim 9 wherein the polycarbonate resin is of the formula: ##STR6## wherein R 1 and R 2 are hydrogen, (lower) alkyl of phenyl and n is at least 30.
Claim 12
Dependent Claim
58 words
A thermoplastic molding composition as defined in claim 10 wherein in the multiphase composite interpolymer, the methacrylate is selected from the group consisting of methyl methacrylate, 1,3-butylene dimethacrylate, isobutyl methacrylate, butyl methacrylate and ethyl methacrylate and the acrylate is selected from the group consisting of 1,4-butanediol diacrylate, isobutyl acrylate, methyl acrylate, ethyl acrylate, n-butyl acrylate and 1,3-butylene diacrylate.
Claim 13
Dependent Claim
17 words
A thermoplastic molding composition as defined in claim 11 wherein the polycarbonate resin is derived from 2,2-bis(4-hydroxyphenyl)propane.
Claim 14
Dependent Claim
22 words
A thermoplastic molding composition as defined in claim 12 wherein the multiphase composite interpolymer is derived from methyl methacrylate and n-butyl acrylate.
Claim 15
Dependent Claim
18 words
A thermoplastic molding composition as defined in claim 1 which includes a reinforcing amount of a reinforcing filler.
Claim 16
Dependent Claim
16 words
A thermoplastic molding composition as defined in claim 14 wherein the reinforcing filler is filamentous glass.
Claim 17
Dependent Claim
20 words
A thermoplastic molding composition as defined in claim 1 which includes a flame retardant amount of a flame retardant agent.
Claim 18
Dependent Claim
17 words
A thermoplastic molding composition as defined in claim 1 wherein component (b) is a copolymer of acrylonitrile-butadiene-styrene-methacrylate.
Claim 19
Dependent Claim
28 words
A thermoplastic molding composition as defined in claim 17 wherein the polycarbonate is of the formula: ##STR7## wherein A is a divalent aromatic radical of a dihydric phenol.
Claim 20
Dependent Claim
36 words
A thermoplastic molding composition as defined in claim 18 wherein the polycarbonate resin is of the formula: ##STR8## wherein R 1 and R 2 are hydrogen, (lower) alkyl or phenyl and n is at least 30.
Claim 21
Dependent Claim
58 words
A thermoplastic molding composition as defined in claim 19 wherein in the multiphase composite interpolymer, the methacrylate is selected from the group consisting of methyl methacrylate, 1,3-butylene dimethacrylate, isobutyl methacrylate, butyl methacrylate and ethyl methacrylate and the acrylate is selected from the group consisting of 1,4-butandiol diacrylate, isobutyl acrylate, methyl acrylate, ethyl acrylate, n-butyl acrylate and 1,3-butylene diacrylate.
Claim 22
Dependent Claim
17 words
A thermoplastic molding composition as defined in claim 20 wherein the polycarbonate resin is derived from 2,2-bis(4-hydroxyphenyl)propane.
Claim 23
Dependent Claim
18 words
A thermoplastic molding composition as defined in claim 17 which includes a reinforcing amount of a reinforcing filler.
Claim 24
Dependent Claim
16 words
A thermoplastic molding composition as defined in claim 22 wherein the reinforcing filler is filamentous glass.
Claim 25
Dependent Claim
20 words
A thermoplastic molding composition as defined in claim 17 which includes a flame retardant amount of a flame retardant agent.
Claim 26
Dependent Claim
47 words
A thermoplastic molding composition which comprises: (a) a polycarbonate resin; (b) a copolymer which comprises acrylonitrile, butadiene, an alkenyl aromatic compound and a second acrylic monomer; and (c) a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 27
Dependent Claim
47 words
A thermoplastic molding composition which comprises: (a) a polycarbonate resin; (b) a copolymer which comprises acrylonitrile, butadiene, an alkenyl aromatic compound and a second acrylic monomer; and (c) a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 28
Dependent Claim
22 words
A thermoplastic molding composition as defined in claim 25 wherein component (b) is a polymer of acrylonitrile butadiene, styrene and methacrylic acid.
Claim 29
Dependent Claim
25 words
A thermoplastic molding composition as defined in claim 26 wherein the weight percents of the comonomers in component (b) are from 1-25:20-50:30-50:15-25 of acrylonitrile:butadiene:styrene:methacrylic acid.
Claim 30
Dependent Claim
67 words
A thermoplastic molding composition which comprises: (a) from 50 to 95 parts by weight of a polycarbonate resin; (b) from 5 to 45 parts by weight of a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) from 0.5 to 40 parts by weight of a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 31
Dependent Claim
67 words
A thermoplastic molding composition which comprises: (a) from 50 to 95 parts by weight of a polycarbonate resin; (b) from 5 to 45 parts by weight of a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) from 0.5 to 40 parts by weight of a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 32
Dependent Claim
67 words
A thermoplastic molding composition which comprises: (a) from 90 to 95 parts by weight of a polycarbonate resin; (b) from 5 to 10 parts by weight of a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) from 1 to 12 parts by weight of a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
Claim 33
Dependent Claim
67 words
A thermoplastic molding composition which comprises: (a) from 90 to 95 parts by weight of a polycarbonate resin; (b) from 5 to 10 parts by weight of a copolymer which comprises acrylonitrile, butadiene and an alkenyl aromatic compound; and (c) from 1 to 12 parts by weight of a multiphase composite interpolymer which comprises a C 1 -C 5 acrylate and a C 1 -C 5 methacrylate.
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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) | 1986-06-27 | 1986-12-27 | 1987-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-27 | 1990-12-27 | 1991-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-27 | 1994-12-27 | 1995-06-28 | $7700.00 | Window Closed / Lapsed |