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US4530746A
Expired / Lapsed
US
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Photosensitive resin composition
Assignee: Hitachi Ltd
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Filing: 1983-05-20
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Granted: 1985-07-23
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Expires: 2003-05-20
Abstract
Abstract A photosensitive resin composition comprising (a) 10 to 90 parts by weight of at least one polymerizable monomer of the formula: <IMAGE> (R is defined in the specification), (b) 90 to 10 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy or methacryloyloxy groups in their molecular end or ends, and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b) shows slight shrinkage and the resulting coating film is good in adhesive properties and mechanical strength.
Inventors
- 👤 Kazufumi Azuma
- 👤 Kazuo Nate
- 👤 Mitsuo Nakatani
- 👤 Hitoshi Yokono
- 👤 Takeshi Endo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:19
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/022; C08F299/024; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
113 words
A photosensitive resin composition comprising: (a) 10 to 90 parts by weight of at least one polymerizable monomer represented by the formula: ##STR17## wherein R represents ##STR18## independently represent hydrogen, an alkyl group having 1-5 carbon atoms, a phenyl group or a substituted phenyl group, (b) 90 to 10 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyoxy groups on their molecular end or ends; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 2
Dependent Claim
113 words
A photosensitive resin composition comprising: (a) 10 to 90 parts by weight of at least one polymerizable monomer represented by the formula: ##STR17## wherein R represents ##STR18## independently represent hydrogen, an alkyl group having 1-5 carbon atoms, a phenyl group or a substituted phenyl group, (b) 90 to 10 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyoxy groups on their molecular end or ends; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 3
Dependent Claim
32 words
A photosensitive resin composition according to claim 1, wherein the polymerizable monomer represented by the formula (1) is 2-methylene-1,3-dioxolane, 2-methylene-1,3-dioxane, 2-methylene-1,3-dioxepane, 2-methylene-4-phenyl-1,3-dioxolane, 2-methylene-4-phenyl-1,3-dioxane, 2-methylene-4-phenyl-1,3-dioxepane, 2-methylene-4-phenoxy-1,3-dioxolane, 2-methylene-4-phenoxy-1,3-dioxane, 2-methylene-4-phenoxy-1,3-dioxepane, 2-methylene-5-phenyl-1,3-dioxane, 2-methylene-5-phenyl-1,3-dioxepane, 2-methylene-5-phenoxy-1,3-dioxane or 2-methylene-5-phenoxy-1,3-dioxepane.
Claim 4
Dependent Claim
21 words
A photosensitive resin composition according to claim 1, wherein said polymerizable monomer represented by formula (1) is 2-methylene-1,3-dioxepane, 2-methylene-1,3-dioxane, or 2-methylene-1,3-dioxolane.
Claim 5
Dependent Claim
126 words
A photosensitive resin composition comprising: (a) 15 to 40 parts by weight of at least one polymerizable monomer represented by the following formula: ##STR19## wherein R represents ##STR20## and R 1 , R 2 , R 3 and R 4 independently represent hydrogen, an alkyl group having 1-5 carbon atoms, a phenyl group or a substituted phenyl group, (b) 85 to 60 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyloxy groups on their molecular end or ends; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 6
Dependent Claim
126 words
A photosensitive resin composition comprising: (a) 15 to 40 parts by weight of at least one polymerizable monomer represented by the following formula: ##STR19## wherein R represents ##STR20## and R 1 , R 2 , R 3 and R 4 independently represent hydrogen, an alkyl group having 1-5 carbon atoms, a phenyl group or a substituted phenyl group, (b) 85 to 60 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyloxy groups on their molecular end or ends; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 7
Dependent Claim
32 words
A photosensitive resin composition according to claim 4, wherein the polymerizable monomer represented by the formula (1) is 2-methylene-1,3-dioxolane, 2-methylene-1,3-dioxane, 2-methylene-1,3-dioxepane, 2-methylene-4-phenyl-1,3-dioxolane, 2-methylene-4-phenyl-1,3-dioxane, 2-methylene-4-phenyl-1,3-dioxepane, 2-methylene-4-phenoxy-1,3-dioxolane, 2-methylene-4-phenoxy-1,3-dioxane, 2-methylene-4-phenoxy-1,3-dioxepane, 2-methylene-5-phenyl-1,3-dioxane, 2-methylene-5-phenyl-1,3-dioxepane, 2-methylene-5-phenoxy-1,3-dioxane or 2-methylene-5-phenoxy-1,3-dioxepane.
Claim 8
Dependent Claim
22 words
A photosensitive resin composition according to claim 4, wherein said polymerizable monomer represented by the formula (1) is 2-methylene-1,3-dioxepane, 2-methylene-1,3-dioxane, or 2-methylene-1,3-dioxolane.
Claim 9
Dependent Claim
23 words
A photosensitive resin composition according to claim 1, wherein the compound of the component (b) has a molecular weight of 400 to 10,000.
Claim 10
Dependent Claim
37 words
A photosensitive resin composition according to claim 1, wherein the polymerizable monomer (a) is 2-methylene-1,3-dioxepane and the compound (b) is an epoxy-acrylate resin having at least one acryloyloxy group or methacryloyloxy group on a molecular end thereof.
Claim 11
Dependent Claim
19 words
A photosensitive resin composition according to claim 1, wherein compound (b) has a molecular weight of 400 to 10,000.
Claim 12
Dependent Claim
19 words
A photosensitive resin composition according to claim 1, wherein compound (b) has a molecular weight of 400 to 10,000.
Claim 13
Dependent Claim
19 words
A photosensitive resin composition according to claim 4, wherein compound (b) has a molecular weight of 400 to 10,000.
Claim 14
Dependent Claim
115 words
A photosensitive resin composition consisting essentially of: (a) 15 to 40 parts by weight of at least one polymerizable monomer selected from the group consisting of 2-methylene-1,3-dioxolane, 2-methylene-1,3-dioxane, 2-methylene-1,3-dioxepane, 2-methylene-4-phenyl-1,3-dioxolane, 2-methylene-4-phenyl-1,3-dioxane, 2-methylene-4-phenyl-1,3-dioxepane, 2-methylene-4-phenoxy-1,3-dioxolane, 2-methylene-4-phenoxy-1,3-dioxane, 2-methylne-4-phenoxy-1,3-dioxepane, 2-methylene-5-phenyl-1,3-dioxane, 2-methylene-5-phenyl-1,3-dioxepane, 2-methylene-5-phenoxy-1,3-dioxane and 2-methylene-5-phenoxy-1,3-dioxepane; (b) 85 to 60 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadienes, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyloxy groups on their molecular end or ends and a molecular weight of 400 to 10,000; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 15
Dependent Claim
115 words
A photosensitive resin composition consisting essentially of: (a) 15 to 40 parts by weight of at least one polymerizable monomer selected from the group consisting of 2-methylene-1,3-dioxolane, 2-methylene-1,3-dioxane, 2-methylene-1,3-dioxepane, 2-methylene-4-phenyl-1,3-dioxolane, 2-methylene-4-phenyl-1,3-dioxane, 2-methylene-4-phenyl-1,3-dioxepane, 2-methylene-4-phenoxy-1,3-dioxolane, 2-methylene-4-phenoxy-1,3-dioxane, 2-methylne-4-phenoxy-1,3-dioxepane, 2-methylene-5-phenyl-1,3-dioxane, 2-methylene-5-phenyl-1,3-dioxepane, 2-methylene-5-phenoxy-1,3-dioxane and 2-methylene-5-phenoxy-1,3-dioxepane; (b) 85 to 60 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadienes, polyester resins and organopolysiloxanes, all having one or more acryloyloxy groups or methacryloyloxy groups on their molecular end or ends and a molecular weight of 400 to 10,000; and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b).
Claim 16
Dependent Claim
23 words
A photosensitive resin composition according to claim 12, wherein the polymerizable monomer (a) is 2-methylene-1,3-dioxephane and the compound (b) is an epoxy-acrylate resin.
Claim 17
Dependent Claim
41 words
A photosensitive resin composition according to claim 1, wherein the substituted phenyl group is substituted with at least one substituent selected from the group consisting of a lower alkyl group, a lower alkoxy group, a halogen atom and an oxygen atom.
Claim 18
Dependent Claim
39 words
A photosensitive resin composition according to claim 1, wherein the photosensitizer is benozoin, a benzoin alkyl ether, a benzil, anthraquinone, an acetophenone, a benzophenone, diacetyl dithiocarbamate, α-chloromethyl naphthalene, anthracene, diphenyldisulfide and an aryl diazonium salt or a mixture thereof.
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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) | 1988-07-22 | 1989-01-21 | 1989-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-22 | 1993-01-21 | 1993-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-22 | 1997-01-21 | 1997-07-23 | $7700.00 | Window Closed / Lapsed |