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EP0104863A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Light-sensitive planographic printing plate

Assignee: Fujifilm Holdings Corp
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Filing: 1983-09-19
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Granted: —
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Expires: 2003-09-19
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Abstract

Abstract A layer of a photo-polymerizable composition is provided on at least one side of a base, wherein said photopolymerizable composition comprises:… (A) a polymer having at least one group represented by the general formula (I) …<CHEM>… wherein R1 to R5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl group; and a carboxyl group on the side chain;… (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds;… (C) a photo-polymerization initiator, and… (D) a diazo resin.

Inventors

  • 👤 Tadao Toyama
  • 👤 Kesanao Kobayashi
  • 👤 Mitsuru Koike
  • 👤 Koji Tamoto

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 09:55
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; G03F7/033; G03F7/09; G03F7/095; G03F7/0955

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 152 words
A light-sensitive planographic printing plate comprising a layer of a photo-polymerizable composition provided on at least one side of a base, wherein said photo-polymerizable composition comprises: (A) a polymer having at least one group represented by the general formula (I) wherein R 1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl group; and a carboxyl . group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; (C) a photo-polymerization initiator, and (D) a diazo resin.
Claim 2
Dependent Claim 152 words
A light-sensitive planographic printing plate comprising a layer of a photo-polymerizable composition provided on at least one side of a base, wherein said photo-polymerizable composition comprises: (A) a polymer having at least one group represented by the general formula (I) wherein R 1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl group; and a carboxyl . group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; (C) a photo-polymerization initiator, and (D) a diazo resin.
Claim 3
Dependent Claim 157 words
A light-sensitive planographic printing plate comprising a diazo resin layer provided on at least one side of a base and a layer of a photo-polymerizable composition adjacent to said diazo resin layer, wherein said photo-polymerizable composition comprises: (A) a polymer having at least one group represented by the general formula (I) wherein R 1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl.group; and a carboxyl group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; and (C) a photo-polymerization initiator.
Claim 4
Dependent Claim 157 words
A light-sensitive planographic printing plate comprising a diazo resin layer provided on at least one side of a base and a layer of a photo-polymerizable composition adjacent to said diazo resin layer, wherein said photo-polymerizable composition comprises: (A) a polymer having at least one group represented by the general formula (I) wherein R 1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or NR, wherein R represents an alkyl.group; and a carboxyl group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; and (C) a photo-polymerization initiator.
Claim 5
Dependent Claim 162 words
A light-sensitive planographic printing plate comprising a diazo resin layer provided on at least one side of a base and a layer of a photo- polymerizable composition adjacent to said diazo resin layer, wherein said photo-polymerizable composition comprises: (A) a polymer having at least a group represented by the general formula (I) wherein R1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl grdup, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or. NR, wherein R represents an alkyl group, and a carboxyl group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; (C) a photo-polymerization initiator; and (D) a diazo resin.
Claim 6
Dependent Claim 162 words
A light-sensitive planographic printing plate comprising a diazo resin layer provided on at least one side of a base and a layer of a photo- polymerizable composition adjacent to said diazo resin layer, wherein said photo-polymerizable composition comprises: (A) a polymer having at least a group represented by the general formula (I) wherein R1 to R 5 each represent a member selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl grdup, a sulfo group, a nitro group, a cyano group, an amido group, an amino group and a substituted or unsubstituted alkyl group, aryl group, alkoxy group, aryloxy group, alkylamino group, arylamino group, alkylsulfonyl group and arylsulfonyl group and Z represents an oxygen atom, a sulfur atom, NH or. NR, wherein R represents an alkyl group, and a carboxyl group on the side chain; (B) a monomer or oligomer having at least two polymerizable ethylenically unsaturated double bonds; (C) a photo-polymerization initiator; and (D) a diazo resin.
Claim 7
Dependent Claim 39 words
The light-sensitive planographic printing plate as in Claims 1 or 3 wherein said diazo resin (D) is homogenously blended with components (A)-(C) in an amount of from 1-30% by weight based on the total amount of the photo-polymerizable composition.
Claim 8
Dependent Claim 31 words
The light-sensitive planographic printing plate as in Claims 2 or 3 wherein said diazo resin is used as an undercoating in an amount of from '0.01 to 1 g/m 2 .
Claim 9
Dependent Claim 31 words
The light-sensitive planographic printing plate as in Claims 1, 2 or 3 wherein the weight ratio of component (B) to polymer (A) is in the range of from 1:9 to 7:3.
Claim 10
Dependent Claim 31 words
The light-sensitive planographic printing plate as in Claims 1, 2 or 3 wherein the weight ratio of component (B) to polymer (A) is in the range of from 1:3 to 1:1.
Claim 11
Dependent Claim 39 words
The light-sensitive planographic printing plate as in Claims 1, 2 or 3 wherein the amount of component (C) employed is from about 0.5% by weight to about 15% by weight based on the total weight of the photo-polymerizable composition.
Claim 12
Dependent Claim 33 words
The light-sensitive planographic printing plate as in Claims 1, 2 or 3 where the said photo-polymerizable composition is coated on said base in an amount of from 0.1 to 10 g/m 2 .

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