US4201829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plated thermoplastic articles
Assignee: Goodyear Tire and Rubber Co
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Filing: 1978-08-14
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Granted: 1980-05-06
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Expires: 1998-08-14
Abstract
Abstract There is provided metal plated, non-burning molded thermoplastic articles comprised of (A) a substrate consisting of a molded non-burning thermoplastic blend of (1) an admixture of (a) a grafted rubbery copolymer and (b) a resinous copolymer and (2) a vinyl chloride homopolymer of copolymer thereof and (B) a metal coating deposited on and bonded to the substrate (A).
Inventors
- 👤 William C. Mast
- 👤 Richard G. Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:27
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F; C08F279/00; C08F279/02; C08L51/00; C08L51/04; C08L25/00; C08L25/02; C08L25/04; C08L25/08; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
416 words
A metal plated, non-burning highly light transmittant and impact resistant molded thermoplastic article consisting of: A. a molded substrate of metal platable, non-burning, high light transmittant and impact resistant thermoplastic material comprising a blend of (1) an admixture of (a) 100 parts by weight of a rubbery copolymer resulting from the copolymerization of a mixture of a diolefin monomer and a styrene monomer having grafted thereto from 30 to 50 parts by weight, based on 100 parts by weight of the grafted rubbery copolymer, of a terpolymer resulting from the copolymerization of a mixture of a methacrylic acid ester monomer, a styrene monomer and acrylonitrile monomer in the presence of said rubbery copolymer, and (b) from 100 to 200 parts by weight of a resinous terpolymer resulting from the copolymerization of a mixture of a methacrylic acid ester monomer, a styrene monomer and an acrylonitrile monomer, and wherein the total amount of the diolefin in the admixture of (1) ranges from about 10 to 30 parts by weight, the total amount of the styrene in the admixture of (1) ranges from about 30 to 40 parts by weight, the total amount of the methacrylic acid ester in the admixture of (1) ranges from about 20 to 25 parts by weight all based on 100 parts by weight of the total admixture of (1) and the total amount of the acrylonitrile in the admixture of (1) ranges from about 20 to 25 parts by weight based on 100 parts by weight of the total admixture of (1) and (2) a vinyl chloride polymer selected from the group consisting of vinyl chloride homopolymer and vinyl chloride copolymers containing up to about 15 parts by weight based on the weight of the copolymer of a copolymerizable comonomer and wherein the admixture of (1) ranges from about 40 to 60 parts by weight based on 100 parts by weight of the total blend and the vinyl chloride polymer of (2) ranges from about 60 to about 40 parts by weight based on 100 parts by weight of the total blend, and B. a metal coating deposited on and bonded to the surface of said molded substrate, said metal coating being selected from the group of metals consisting of copper, nickel chromium and alloys containing copper, nickel and chromium and wherein the peel adhesion strength between the metal coating and the thermoplastic substrate ranges from about 5.0 to about 10.0 pounds as measured by the ASTM D-429 Method B test procedure.
Claim 2
Dependent Claim
416 words
A metal plated, non-burning highly light transmittant and impact resistant molded thermoplastic article consisting of: A. a molded substrate of metal platable, non-burning, high light transmittant and impact resistant thermoplastic material comprising a blend of (1) an admixture of (a) 100 parts by weight of a rubbery copolymer resulting from the copolymerization of a mixture of a diolefin monomer and a styrene monomer having grafted thereto from 30 to 50 parts by weight, based on 100 parts by weight of the grafted rubbery copolymer, of a terpolymer resulting from the copolymerization of a mixture of a methacrylic acid ester monomer, a styrene monomer and acrylonitrile monomer in the presence of said rubbery copolymer, and (b) from 100 to 200 parts by weight of a resinous terpolymer resulting from the copolymerization of a mixture of a methacrylic acid ester monomer, a styrene monomer and an acrylonitrile monomer, and wherein the total amount of the diolefin in the admixture of (1) ranges from about 10 to 30 parts by weight, the total amount of the styrene in the admixture of (1) ranges from about 30 to 40 parts by weight, the total amount of the methacrylic acid ester in the admixture of (1) ranges from about 20 to 25 parts by weight all based on 100 parts by weight of the total admixture of (1) and the total amount of the acrylonitrile in the admixture of (1) ranges from about 20 to 25 parts by weight based on 100 parts by weight of the total admixture of (1) and (2) a vinyl chloride polymer selected from the group consisting of vinyl chloride homopolymer and vinyl chloride copolymers containing up to about 15 parts by weight based on the weight of the copolymer of a copolymerizable comonomer and wherein the admixture of (1) ranges from about 40 to 60 parts by weight based on 100 parts by weight of the total blend and the vinyl chloride polymer of (2) ranges from about 60 to about 40 parts by weight based on 100 parts by weight of the total blend, and B. a metal coating deposited on and bonded to the surface of said molded substrate, said metal coating being selected from the group of metals consisting of copper, nickel chromium and alloys containing copper, nickel and chromium and wherein the peel adhesion strength between the metal coating and the thermoplastic substrate ranges from about 5.0 to about 10.0 pounds as measured by the ASTM D-429 Method B test procedure.
Claim 3
Dependent Claim
112 words
The metal plated, molded thermoplastic article of claim 1 wherein the molded substrate (a) comprises the blend of (1) the admixture of (a) 100 parts by weight of the rubbery copolymer resulting from the copolymerization of a mixture of butadiene and styrene monomer having grafted thereto from 30 to 50 parts by weight, based on 100 parts by weight of the grafted rubbery copolymer of the terpolymer resulting from the copolymerization of a mixture of methyl methacrylate, styrene and acrylonitrile monomers and (b) from 100 to 200 parts by weight of resinous terpolymer resulting from the copolymerization of a mixture of methyl methacrylate, styrene and acrylonitrile monomers, and (2) vinyl chloride homopolymer.
Claim 4
Dependent Claim
57 words
The metal plated, molded thermoplastic article of claim 2 wherein the grafted rubbery copolymer (a) of the admixture of (1) of the blend is an 80/20 butadiene/styrene rubbery copolymer having grafted thereto a 30/40/30 methyl methacrylate/styrene/acrylonitrile terpolymer and wherein the resinous terpolymer (b) of the admixture of (1) of the blend is a 30/40/30 methylmethacrylate/styrene/acrylonitrile resinous terpolymer.
Claim 5
Dependent Claim
40 words
The metal plated, molded thermoplastic article of claim 3 wherein the grafted rubbery copolymer (a) of the admixture of (1) comprises 100 parts by weight and the resinous terpolymer (b) of the admixture of (1) comprises 189 parts by weight.
Claim 6
Dependent Claim
57 words
The metal plated, molded thermoplastic article of claim 4 wherein the admixture of (1) of the blend comprises 50 parts by weight based on 100 parts by weight of the total blend and the vinyl chloride homopolymer of (2) of the blend comprises 50 parts by weight based on 100 parts by weight of the total blend.
Claim 7
Dependent Claim
51 words
The metal plated, molded thermoplastic article of claim 2 wherein the metal coating of (B) deposited and bonded to the molded substrate of (A) is selected from the group of metals consisting of copper, nickel and chromium and wherein the thickness of said coating ranges from about 5 to 10 mils.
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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) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |