US4258121A
Expired / Lapsed
US
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Photopolymerizable compositions
Assignee: Fujifilm Holdings Corp
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Filing: 1980-03-06
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Granted: 1981-03-24
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Expires: 2000-03-06
Abstract
Abstract A photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups, which can be photopolymerized by actinic radiation, a photopolymerization initiator represented by the formula: ##STR1## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group, and optionally a linear organic high molecular weight polymer and a sensitizer. The composition is useful for photosensitive layers of photosensitive printing plates, photoresists, etc.
Inventors
- 👤 Teruo Kojima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:08
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; C; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/109; Y10S430/111; Y10S430/114; Y10S430/12; Y10S430/121
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
72 words
A photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups capable of being photopolymerized by actinic irradiation and a photopolymerization initiator represented by the formula: ##STR34## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
Claim 2
Dependent Claim
72 words
A photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups capable of being photopolymerized by actinic irradiation and a photopolymerization initiator represented by the formula: ##STR34## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
Claim 3
Dependent Claim
37 words
The photopolymerizable composition of claim 1, wherein the proportion of the photopolymerization initiator is from about 0.01% by weight to 20% by weight based on the amount of the monomer having at least two ethylenically unsaturated groups.
Claim 4
Dependent Claim
28 words
The photopolymerizable composition of claim 1, wherein said monomer having at least two ethylenically unsaturated groups is an acrylic acid ester or methacrylic acid ester of a polyol.
Claim 5
Dependent Claim
19 words
The photopolymerizable composition of claim 1, wherein said monomer having at least two ethylenically unsaturated groups is a bisacrylamide.
Claim 6
Dependent Claim
58 words
The photopolymerizable composition of claim 1, wherein said monomer having at least two ethylenically unsaturated groups is a vinylurethane compound prepared by reacting a polyisocyanate compound having at least two isocyanate groups with a vinyl monomer represented by the formula: CH.sub.2 ═C(R.sub.1)COOCH.sub.2 CH(R.sub.2)OH wherein R 1 and R 2 each represents a hydrogen atom or a methyl group.
Claim 7
Dependent Claim
30 words
The photopolymerizable composition of claim 1, wherein said monomer having at least two ethylenically unsaturated groups is a polyester polyacrylate, a polyester polymethacrylate, an epoxy acrylate or an epoxy methacrylate.
Claim 8
Dependent Claim
38 words
The photopolymerizable composition of claim 1, wherein A represents an o-phenylene group, a 1,8-naphthylene group, a 2,3-naphthylene group, or one of said groups substituted by a bromine atom, a chlorine atom, a nitro group, or an acetylamino group.
Claim 9
Dependent Claim
28 words
The photopolymerizable composition of claim 1, wherein A represents a methylene group, an ethylene group, a propylene group, a cyclobutylene group, a cyclohexylene group, or a phenylethylene group.
Claim 10
Dependent Claim
22 words
The photopolymerizable composition of claim 1, wherein A represents a vinylidene group, a butenylene group, a phenylvinylidene group, or a diphenylvinylidene group.
Claim 11
Dependent Claim
15 words
The photopolymerizable composition of claim 1 additionally comprising a linear organic high molecular weight polymer.
Claim 12
Dependent Claim
20 words
The photopolymerizable composition of claim 1, which is developable by water, a weak aqueous alkali solution, or an organic solvent.
Claim 13
Dependent Claim
56 words
The photopolymerizable composition of claim 10, wherein said linear organic high molecular weight polymer is a polymer having carboxylic acid groups in the side chains thereof, a reaction product of a cyclic acid anhydride and an addition polymer containing hydroxy groups, an alcohol soluble nylon, a polyether of 2,2-bis-(4-hydroxyphenyl)propane and epichlorohydrin, polyvinyl pyrrolidone, or polyethylene oxide.
Claim 14
Dependent Claim
19 words
The photopolymerizable composition of claim 1 additionally comprising a sensitizer capable of increasing the photopolymerization speed of the composition.
Claim 15
Dependent Claim
50 words
The photopolymerizable composition of claim 13, wherein said sensitizer is selected from the group consisting of benzoin, benzoin methyl ether, benzoin ethyl ether, 9-fluorenone, 2-chloro-9-fluorenone, 2-methyl-9-fluorenone, 9-anthrone, 2-bromo-9-anthrone, 2-ethyl-9-anthrone, 9,10-anthraquinone, 2-ethyl-9,10-anthraquinone, 2-t-butyl-9,10-anthraquinone, 2,6-dichloro-9,10-anthraquinone, xanthone, 2-methylxanthone, 2-methoxyxanthone, p-(dimethylamino)phenylstyryl ketone, benzil, dibenzalacetone, p-(dimethylamino)phenyl-p-methylstyryl ketone, benzophenone, p-(dimethylamino)benzophenone (or Michler's ketone), p-(diethylamino)benzophenone, and benzanthrone.
Claim 16
Dependent Claim
58 words
The photopolymerizable composition of claim 13, wherein said sensitizer is represented by the formula (IV): ##STR35## wherein R 3 represents an alkyl group or a substituted alkyl group, R 4 represents an alkyl group, or an aryl group and Z represents the non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring such as usually occurs in cyanine dyes.
Claim 17
Dependent Claim
13 words
The photopolymerizable composition of claim 1, which additionally comprises a thermal polymerization inhibitor.
Claim 18
Dependent Claim
83 words
A photosensitive material comprising a support having thereon a layer of a photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups capable of being photopolymerized by actinic irradiation and a photopolymerization initiator represented by the formula: ##STR36## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
Claim 19
Dependent Claim
83 words
A photosensitive material comprising a support having thereon a layer of a photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups capable of being photopolymerized by actinic irradiation and a photopolymerization initiator represented by the formula: ##STR36## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
Claim 20
Dependent Claim
37 words
The photosensitive material of claim 17, wherein the proportion of the photopolymerization initiator is from about 0.01% by weight to 20% by weight based on the amount of the monomer having at least two ethylenically unsaturated groups.
Claim 21
Dependent Claim
28 words
The photosensitive material of claim 17, wherein said monomer having at least two ethylenically unsaturated groups is an acrylic acid ester or methacrylic acid ester of a polyol.
Claim 22
Dependent Claim
19 words
The photosensitive material of claim 17, wherein said monomer having at least two ethylenically unsaturated groups is a bisacrylamide.
Claim 23
Dependent Claim
58 words
The photosensitive material of claim 17, wherein said monomer having at least two ethylenically unsaturated groups is a vinylurethane compound prepared by reacting a polyisocyanate compound having at least two isocyanate groups with a vinyl monomer represented by the formula: CH.sub.2 ═C(R.sub.1)COOCH.sub.2 CH(R.sub.2)OH wherein R 1 and R 2 each represents a hydrogen atom or a methyl group.
Claim 24
Dependent Claim
30 words
The photosensitive material of claim 17, wherein said monomer having at least two ethylenically unsaturated groups is a polyester polyacrylate, a polyester polymethacrylate, an epoxy acrylate or an epoxy methacrylate.
Claim 25
Dependent Claim
38 words
The photosensitive material of claim 17, wherein A represents an o-phenylene group, a 1,8-naphthylene group, a 2,3-naphthylene group, or one of said groups substituted by a bromine atom, a chlorine atom, a nitro group, or an acetylamino group.
Claim 26
Dependent Claim
28 words
The photosensitive material of claim 17, wherein A represents a methylene group, an ethylene group, a propylene group, a cyclobutylene group, a cyclohexylene group, or a phenylethylene group.
Claim 27
Dependent Claim
22 words
The photosensitive material of claim 17, wherein A represents a vinylidene group, a butenylene group, a phenyvinylidene group, or a diphenylvinylidene group.
Claim 28
Dependent Claim
15 words
The photosensitive material of claim 17 additionally comprising a linear organic high molecular weight polymer.
Claim 29
Dependent Claim
19 words
The photosensitive material of claim 17, which is developable by water, a weak aqueous alkali, or an organic solvent.
Claim 30
Dependent Claim
56 words
The photosensitive material of claim 26, wherein said linear organic high molecular weight polymer is a polymer having carboxylic acid groups in the side chains thereof, a reaction product of a cyclic acid anhydride and an addition polymer containing hydroxy groups, an alcohol soluble nylon, a polyether of 2,2-bis(4-hydroxyphenyl)propane and epichlorohydrin, polyvinyl pyrrolidone, or polyethylene oxide.
Claim 31
Dependent Claim
19 words
The photosensitive material of claim 17 additionally comprising a sensitizer capable of increasing the photopolymerization speed of the composition.
Claim 32
Dependent Claim
50 words
The photosensitive material of claim 29, wherein said sensitizer is selected from the group consisting of benzoin, benzoin methyl ether, benzoin ethyl ether, 9-fluorenone, 2-chloro-9-fluorenone, 2-methyl-9-fluorenone, 9-anthrone, 2-bromo-9-anthrone, 2-ethyl-9-anthrone, 9,10-anthraquinone, 2-ethyl-9,10-anthraquinone, 2-t-butyl-9,10-anthraquinone, 2,6-dichloro-9,10-anthraquinone, xanthone, 2-methylxanthone, 2-methoxyxanthone, p-(dimethylamino)phenylstyryl ketone, benzil, dibenzalacetone, p-(dimethylamino)phenyl-p-methylstyryl ketone, benzophenone, p-(dimethylamino)benzophenone (or Michler's ketone), p-(diethylamino)benzophenone, and benzanthrone.
Claim 33
Dependent Claim
57 words
The photosensitive material of claim 29, wherein said sensitizer is represented by formula (IV): ##STR37## wherein R 3 represents an alkyl group or a substituted alkyl group, R 4 represents an alkyl group or an aryl group and Z represents the non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring such as usually occurs in cyanine dyes.
Claim 34
Dependent Claim
13 words
The photosensitive material of claim 17, which additionally comprises a thermal polymerization inhibitor.
Claim 35
Dependent Claim
69 words
In a photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups, the improvement which comprises a photopolymerization initiator represented by the formula: ##STR38## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
Claim 36
Dependent Claim
69 words
In a photopolymerizable composition comprising a monomer having at least two ethylenically unsaturated groups, the improvement which comprises a photopolymerization initiator represented by the formula: ##STR38## wherein A represents an arylene group, a substituted arylene group, an alkylene group, a substituted alkylene group, an alkenylene group, or a substituted alkenylene group and R represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.
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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) | 1984-03-23 | 1984-09-22 | 1985-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-23 | 1988-09-22 | 1989-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-23 | 1992-09-22 | 1993-03-24 | $7700.00 | Window Closed / Lapsed |