US4148967A
Expired / Lapsed
US
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Metallized plastic molded product and method for producing same
Assignee: Mitsubishi Chemical Corp
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Filing: 1978-04-12
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Granted: 1979-04-10
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Expires: 1998-04-12
Abstract
Abstract A metallized plastic molded product is provided which comprises a plastic substrate, a base coat layer, a dry metallic film layer, an inter coat layer and a top coat layer, characterized in that said inter coat layer is a cured ultraviolet curing composition comprising 5-80% by weight of a resin containing 5-50% by weight of repeating unit represented by the formula I: <IMAGE> (I), wherein R1 is H or CH3, R2 is H or C1-8 alkyl, and R3 is C1-8 alkyl, and having a molecular weight of 4,000-200,000 and 20-95% by weight of a compound having polymerizable unsaturated groups and said top coat layer is a cured ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound and 10-60% by weight of a polyvinyl compound having a molecular weight of 170-1,000 and having at least two polymerizable unsaturated groups in one molecule. A method for producing the product is also provided.
Inventors
- 👤 Mitsuo Satoh
- 👤 Norio Miyagawa
- 👤 Juichi Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:42
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B05D5/067; B05D5/068; C; C09; C09D; C09D4/00; C09D4/06; B05D3/00; B05D3/06; B05D3/061; B05D3/065; B05D3/067; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31529; Y10T428/31551; Y10T428/31554; Y10T428/31605; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
176 words
A metallized plastic molded product which comprises a molded plastic substrate and (1) a base coat layer, (2) a dry metal film layer, (3) an inter coating layer and (4) a top coating layer, characterized in that said inter coating layer (3) is a cured layer of an ultraviolet curing composition comprising 5-80% by weight of a resin which contains 5-50% by weight of the repeating unit represented by the formula I: ##STR5## wherein R 1 is H or CH 3 , R 2 is H or C 1 -C 8 alkyl, and R 3 is C 1 -C 8 alkyl, and which has a molecular weight of 4,000-200,000 and 20-95% by weight of a compound having polymerizable unsaturated groups and said top coating layer (4) is a cured layer of an ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound or an epoxy modified polyvinyl compound and 10-60% by weight of a polyvinyl compound which has a molecular weight of 170-1,000 and contains at least 2 polymerizable unsaturated groups per molecule.
Claim 2
Dependent Claim
176 words
A metallized plastic molded product which comprises a molded plastic substrate and (1) a base coat layer, (2) a dry metal film layer, (3) an inter coating layer and (4) a top coating layer, characterized in that said inter coating layer (3) is a cured layer of an ultraviolet curing composition comprising 5-80% by weight of a resin which contains 5-50% by weight of the repeating unit represented by the formula I: ##STR5## wherein R 1 is H or CH 3 , R 2 is H or C 1 -C 8 alkyl, and R 3 is C 1 -C 8 alkyl, and which has a molecular weight of 4,000-200,000 and 20-95% by weight of a compound having polymerizable unsaturated groups and said top coating layer (4) is a cured layer of an ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound or an epoxy modified polyvinyl compound and 10-60% by weight of a polyvinyl compound which has a molecular weight of 170-1,000 and contains at least 2 polymerizable unsaturated groups per molecule.
Claim 3
Dependent Claim
38 words
The metallized plastic molded product of claim 1, wherein said resin used in said inter coating layer has the repeating unit of said formula I wherein R 1 and R 2 are hydrogen and R 3 is octyl.
Claim 4
Dependent Claim
64 words
The metallized plastic molded product of claim 1, wherein said compound having polymerizable unsaturated groups and used in said inter coating layer is at least one compound selected from the group consisting of unsaturated polyester compounds, urethane modified polyvinyl compounds, epoxy modified polyvinyl compounds and polyvinyl compounds obtained by condensation of compounds having at least 2 hydroxyl groups and vinyl monomers having carboxyl groups.
Claim 5
Dependent Claim
32 words
The metallized plastic molded product of claim 1, wherein said compound having polymerizable unsaturated groups and used in said inter coating layer has 1.5-11.5 polymerizable unsaturated groups per 1,000 molecular weight units.
Claim 6
Dependent Claim
30 words
The metallized plastic molded product of claim 1, wherein said epoxy modified polyvinyl compound used in said top coating layer has 2-10 polymerizable unsaturated groups per 1,000 molecular weight units.
Claim 7
Dependent Claim
30 words
The metallized plastic molded product of claim 1, wherein said urethane modified polyvinyl compound used in said top coating layer has 1.8-10 polymerizable unsaturated groups per 1,000 molecular weight units.
Claim 8
Independent Claim
201 words
A method for producing a metallized plastic molded product comprising subjecting a molded plastic substrate to (1) a base coating treatment, (2) a dry type metal film forming treatment, (3) an inter coating treatment and (4) a top coating treatment, characterized in that said inter coating treatment (3) comprises coating said base coated, metallized substrate with an ultraviolet curing composition comprising 5-80% by weight of a resin which contains 5-50% by weight of the repeating unit represented by the formula I: ##STR6## wherein R 1 is H or CH 3 , R 2 is H or C 1 -C 8 alkyl, and R 3 is C 1 -C 8 alkyl, and which has a molecular weight of 4,000-200,000, and 20-95% by weight of a compound having polymerizable unsaturated groups, and irradiating said coating with ultraviolet rays; and said top coating treatment (4) comprises coating said inter coated substrate with an ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound or an epoxy modified polyvinyl compound and 10-60% by weight of a polyvinyl compound which has a molecular weight of 170-1,000 and contains at least 2 polymerizable unsaturated groups per molecule, and irradiating said coating with ultraviolet rays.
Claim 9
Independent Claim
201 words
A method for producing a metallized plastic molded product comprising subjecting a molded plastic substrate to (1) a base coating treatment, (2) a dry type metal film forming treatment, (3) an inter coating treatment and (4) a top coating treatment, characterized in that said inter coating treatment (3) comprises coating said base coated, metallized substrate with an ultraviolet curing composition comprising 5-80% by weight of a resin which contains 5-50% by weight of the repeating unit represented by the formula I: ##STR6## wherein R 1 is H or CH 3 , R 2 is H or C 1 -C 8 alkyl, and R 3 is C 1 -C 8 alkyl, and which has a molecular weight of 4,000-200,000, and 20-95% by weight of a compound having polymerizable unsaturated groups, and irradiating said coating with ultraviolet rays; and said top coating treatment (4) comprises coating said inter coated substrate with an ultraviolet curing composition comprising 40-90% by weight of a urethane modified polyvinyl compound or an epoxy modified polyvinyl compound and 10-60% by weight of a polyvinyl compound which has a molecular weight of 170-1,000 and contains at least 2 polymerizable unsaturated groups per molecule, and irradiating said coating with ultraviolet rays.
Claim 10
Dependent Claim
35 words
The method of claim 7, wherein said resin used in said inter coating layer has the repeating unit of said formula I wherein R 1 and R 2 are hydrogen and R 3 is octyl.
Claim 11
Dependent Claim
61 words
The method of claim 7, wherein said compound having polymerizable unsaturated groups and used in said inter coating layer is at least one compound selected from the group consisting of unsaturated polyester compounds, urethane modified polyvinyl compounds, epoxy modified polyvinyl compounds and polyvinyl compounds obtained by condensation of compounds having at least 2 hydroxyl groups and vinyl monomers having carboxyl groups.
Claim 12
Dependent Claim
29 words
The method of claim 7, wherein said compound having polymerizable unsaturated groups and used in said inter coating layer has 1.5-11.5 polymerizable unsaturated groups per 1,000 molecular weight units.
Claim 13
Dependent Claim
27 words
The method of claim 7, wherein said epoxy modified polyvinyl compound used in said top coating layer has 2-10 polymerizable unsaturated groups per 1,000 molecular weight units.
Claim 14
Dependent Claim
27 words
The method of claim 7, wherein said urethane modified polyvinyl compound used in said top coating layer has 1.8-10 polymerizable unsaturated groups per 1,000 molecular weight units.
References Cited (Backward Citations)
US3850770A
Cited
US3871908A
Cited
US4025407A
Cited
US3959521A
Cited
US3953309A
Cited
US3953309B1
Cited
US3895171A
Cited
US3929935A
Cited
US4038164A
Cited
US4070398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |