US4481276A
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Photopolymerizable composition containing a combination of photoinitiators
Assignee: Fujifilm Holdings Corp
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Filing: 1983-11-14
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Granted: 1984-11-06
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Expires: 2003-11-14
Abstract
Abstract A photopolymerizable composition having an improved sensitivity, which comprises a polymerizable compound having an ethylenically unsaturated bond and a photopolymerization initiator, wherein said photopolymerization initiator comprises a compound represented by general formula I ##STR1## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; X represents a substituent having a Hammett's value of not more than 0.7; and Y represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, or an alkoxycarbonyl group and a 1,3,5-triazine compound represented by general formula II ##STR2## wherein R 3 , R 4 , and R 5 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; at least one of them being a mono-, di-, or tri-halogen-substituted methyl group.
Inventors
- 👤 Shun-ichi Ishikawa
- 👤 Koji Tamoto
- 👤 Masayuki Iwasaki
- 👤 Akira Umehara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:45
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; G03F7/0295; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/12; Y10S430/121; Y10S430/122; Y10S430/123
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
157 words
A photopolymerizable composition comprising a polymerizable compound having an ethylenically unsaturated bond and a photopolymerization initiator, wherein said photopolymerization initiator comprises a compound represented by general formula I ##STR29## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; X represents a substituent having a Hammett's value of not more than 0.7; and Y represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, or an alkoxycarbonyl group and a 1,3,5-triazine compound represented by general formula II ##STR30## wherein R 3 , R 4 , and R 5 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; at least one of them being a mono-, di-, or tri-halogen-substituted methyl group.
Claim 2
Dependent Claim
157 words
A photopolymerizable composition comprising a polymerizable compound having an ethylenically unsaturated bond and a photopolymerization initiator, wherein said photopolymerization initiator comprises a compound represented by general formula I ##STR29## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; X represents a substituent having a Hammett's value of not more than 0.7; and Y represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, or an alkoxycarbonyl group and a 1,3,5-triazine compound represented by general formula II ##STR30## wherein R 3 , R 4 , and R 5 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; at least one of them being a mono-, di-, or tri-halogen-substituted methyl group.
Claim 3
Dependent Claim
18 words
A photopolymerizable composition as claimed in claim 1, wherein X has a Hammett's value of -0.9 to 0.5.
Claim 4
Dependent Claim
75 words
A photopolymerizable composition as claimed in claim 1, wherein R 1 and R 2 each represents a hydrogen atom, an alkyl or substituted alkyl group of straight chain or branched chain having 1 to 18 carbon atoms, a cycloalkyl or substituted cycloalkyl group having 5 to 10 carbon atoms, an aryl or substituted aryl group having 6 to 10 carbon atoms or an aralkyl group having an alkyl moiety having 1 to 10 carbon atoms.
Claim 5
Dependent Claim
152 words
A photopolymerizable composition as claimed in claim 1, wherein Y represents a hydrogen atom, an alkyl or substituted alkyl group of straight chain or branched chain having 1 to 18 carbon atoms, a cycloalkyl or substituted cycloalkyl group having 5 to 10 carbon atoms, an aryl or substituted aryl group having 6 to 10 carbon atoms, an aralkyl group having an alkyl moiety having 1 to 10 carbon atoms, an acyl group which is a residue of carbonyl group having bonded thereto a hydrogen atom, a straight chain or branched chain alkyl group having 1 to 10 carbon atoms, a cyclic alkyl group having 5 to 10 carbon atoms, a phenyl group or a naphthyl group, or an alkoxycarbonyl group which is a residue having bonded thereto a straight chain or branched chain alkyl group having 1 to 10 carbon atoms or a cyclic alkyl group having 5 to 10 carbon atoms.
Claim 6
Dependent Claim
78 words
A photopolymerizable composition as claimed in claim 1, wherein R 3 , R 4 and R 5 each represents a hydrogen atom, an alkyl or substituted alkyl group of straight chain or branched chain having 1 to 18 carbon atoms, a cycloalkyl or substituted cycloalkyl group having 5 to 10 carbon atoms, an aryl or substituted aryl group having 6 to 10 carbon atoms or an aralkyl group having an alkyl moiety having 1 to 10 carbon atoms.
Claim 7
Dependent Claim
34 words
A photopolymerizable composition as claimed in claim 1, wherein the weight ratio of said compound represented by the general formula I to said compound represented by the general formula II is 1:10 to 10:1.
Claim 8
Dependent Claim
30 words
A photopolymerizable composition as claimed in claim 1, wherein said initiator is contained in an amount of 0.1% to 20% by weight based on the weight of the polymerizable compound.
Claim 9
Dependent Claim
68 words
A photopolymerizable composition as claimed in claim 1, wherein said polymerizable compound is a compound selected from the group consisting of unsaturated carboxylic acids, salts thereof, unsaturated carboxylates, esters of unsaturated carboxylic acids and aliphatic polyhydroxy compounds or aromatic polyhydric compounds, and oligoesters obtained by the ester reaction of a divalent or more polyvalent carboxylic acid, a dihydric or more polyhydric polyhydroxy compound, and an unsaturated carboxylic acid.
Claim 10
Dependent Claim
29 words
A photopolymerizable composition as claimed in claim 1, wherein the composition further contains at least one of a binder, a thermal polymerization inhibitor, a coloring agent and a plasticizer.
Claim 11
Dependent Claim
32 words
A photopolymerizable composition as claimed in claim 9, wherein said thermal polymerization inhibitor is contained in an amount of 0.001% to 5% by weight based on the weight of the polymerization compound.
Claim 12
Dependent Claim
40 words
A photopolymerizable composition as claimed in claim 9, wherein said coloring agent is contained in an amount of 0.1 part to 30 parts by weight per 100 parts by weight of the sum of the polymerizable compound and the binder.
Claim 13
Dependent Claim
35 words
A photopolymerizable composition as claimed in claim 9, wherein said composition further contains a plasticizer in an amount of up to 200 parts by weight based on 100 parts by weight of the polymerizable compound.
Claim 14
Dependent Claim
31 words
A photopolymerizable composition as claimed in claim 9, wherein said binder is contained in an amount of up to 90% by weight based on the total amount of the photopolymerizable composition.
Claim 15
Dependent Claim
169 words
A photopolymerizable photosensitive material comprising a support having thereon a layer of a photopolymerizable composition comprising a polymerizable compound having an ethylenically unsaturated bond and a photopolymerization initiator, wherein said photopolymerization initiator comprises a compound represented by general formula I ##STR31## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; X represents a substituent having a Hammett's value of not more than 0.7; and Y represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, or an alkoxycarbonyl group and a 1,3,5-triazine compound represented by general formula II ##STR32## wherein R 3 , R 4 , and R 5 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; at least one of them being a mono-, di-, or tri-halogen-substituted methyl group.
Claim 16
Dependent Claim
169 words
A photopolymerizable photosensitive material comprising a support having thereon a layer of a photopolymerizable composition comprising a polymerizable compound having an ethylenically unsaturated bond and a photopolymerization initiator, wherein said photopolymerization initiator comprises a compound represented by general formula I ##STR31## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; X represents a substituent having a Hammett's value of not more than 0.7; and Y represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, an aralkyl group, an acyl group, or an alkoxycarbonyl group and a 1,3,5-triazine compound represented by general formula II ##STR32## wherein R 3 , R 4 , and R 5 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or an aralkyl group; at least one of them being a mono-, di-, or tri-halogen-substituted methyl group.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-06 | 1988-05-07 | 1988-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-06 | 1992-05-07 | 1992-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-06 | 1996-05-07 | 1996-11-06 | $7700.00 | Window Closed / Lapsed |