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EP0379200A2
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Photopolymerizable composition
Assignee: Mitsubishi Chemical Corp
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Filing: 1990-01-18
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Granted: —
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Expires: 2010-01-18
Abstract
Abstract A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye, and (b) a triazine compound having at least one halogenated methyl group.
Inventors
- 👤 Hideki Nagasaka
- 👤 Katsuko Ohta
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 10:35
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; G03F7/029; G03F7/0295
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
37 words
A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye, and (b) a s-triazine compound having at least one halogenated methyl group.
Claim 2
Dependent Claim
37 words
A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye, and (b) a s-triazine compound having at least one halogenated methyl group.
Claim 3
Dependent Claim
19 words
The photopolymerizable composition according to Claim 1, wherein the ethylenically unsaturated compound is an ethylenically unsaturated carboxylic acid ester.
Claim 4
Dependent Claim
27 words
The photopolymerizable composition according to Claim 1 or 2, wherein the ethylenically unsaturated compound is a monomer of an acrylic acid ester or a methacrylic acid ester.
Claim 5
Dependent Claim
39 words
The photopolymerizable composition according to Claim 1, 2 or 3 wherein the squarylium dye has the formula: wherein each of R₁ and R₂ is a substituted or unsubstituted aminophenyl group or Y=CH- wherein Y= is a nitrogen-containing heterocyclic group.
Claim 6
Dependent Claim
41 words
The photopolymerizable composition according to Claim 4, wherein each of R₁ and R₂ is represented by the formula: wherein A is an alkyl group or an aryl group, and B is a group of atoms necessary for forming a hetero ring.
Claim 7
Dependent Claim
27 words
The photopolymerizable composition according to Claim 4, wherein each of R₁ and R₂ is an (indolin-2-ylidene)methyl group, a (benzothiazolylidene)methyl group, a (naphtho[1,2-d]thiazol-2(3H)-ylidene)methyl group or a (2(1H)-quinolinylidene)methyl group.
Claim 8
Dependent Claim
40 words
The photopolymerizable composition according to any one of the preceding Claims, wherein the s-triazine compound is a s-triazine compound having at least two groups selected from the group consisting of a trichloromethyl group, a tribromomethyl group and a combination thereof.
Claim 9
Dependent Claim
18 words
The photopolymerizable composition according to Claim 7, wherein the s-triazine compound is 2,4,6-tris(trichloromethyl)-s-triazine, 2-phenyl-4,6-bis(trichloromethyl)-s-triazine, 2-methyl-4,6-bis(trichloromethyl)-s-triazine, 2-phenylthio-4,6-bis(trichloromethyl)-s-triazine or 2,4,6-tris(tribromomethyl)-s-triazine.
Claim 10
Dependent Claim
32 words
The photopolymerizable composition according to any one of the preceding Claims, wherein the weight ratio of the squarylium dye to the s-triazine compound is within a range of from 1:30 to 10:1.
Claim 11
Dependent Claim
20 words
The photopolymerizable composition according to any one of the preceding Claims, which contains an organic polymer material as a binder.
Claim 12
Dependent Claim
37 words
The photopolymerizable composition according to any one of the preceding Claims, which contains at least one member selected from the group consisting of a heat polymerization preventing agent, a coloring agent, a sensitivity-improving agent and a plasticizer.
Claim 13
Dependent Claim
16 words
The photopolymerizable composition according to any one of the preceding Claims, which contains a colorant precursor.
References Cited (Backward Citations)
No citation records indexed.
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