Light-sensitive compositions and articles utilizing a compound or polymer containing an aromatic diazonium salt group and a light-absorbing residue of a sensitizing dye for trichloromethyl-s-triazine or azinium salt photopolymerization initiators
AssigneeFuji Photo Film Co., Ltd.
InventorKouichi Kawamura
Life of this patent
Estimating the term…
Abstract
A light-sensitive composition comprising either an alkali-soluble resin or radical-polymerizable, unsaturated compound, and a diazonium compound represented by general formula (I) or (II): (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I) --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II) wherein D is a diazonium salt group, S is a light absorbing group, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3 ; l, m, n, o and p are integers.
Claims25
A light-sensitive composition, said composition comprising a sensitizing amount of a compound or polymer, wherein said compound is being represented by the following general formula (I):
- (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I);
- and said polymer comprises a moiety represented by the following general formula (II):
- --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II);
- wherein D is an aromatic diazonium salt group, S is a light absorbing group which is a residue of a sensitizing dye for trichloromethyl-s-triazine photopolymerization initiators or azinium salt photopolymerization initiators, and which has an absorption coefficient or more than 1000 at wavelengths longer than 300 nm, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3, l is an integer of 1 to 5, m is an integer of 1 to 5, n is an integer of 1 to 15, o is an integer of 3 to 200, and p is an integer of 3 to 500.
A light-sensitive composition comprising, in admixture, an alkali soluble resin and a sensitizing amount of a compound or polymer, wherein said compound is represented by the following general formula (I):
- (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I);
- and said polymer comprises a moiety represented by the following general formula (II):
- --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II);
- wherein D is an aromatic diazonium salt group, S is a light absorbing group which is a residue of a sensitizing dye for trichloromethyl-s-triazine photopolymerization initiators or azinium salt photopolymerization initiators, and which has an absorption coefficient of more than 1000 at wavelengths longer than 300 nm, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3, l is an integer of 1 to 5, m is an integer of 1 to 5, n is an integer of 1 to 15, o is an integer of 3 to 200, and p is an integer of 3 to 500.
A photopolymerizable light-sensitive composition comprising, together in admixture, a radical polymerizable unsaturated compound and a sensitizing amount of a compound or polymer, wherein said compound is represented by the following general formula (I):
- (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I);
- and said polymer comprises a moiety represented by the following general formula (II):
- --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II);
- wherein D is an aromatic diazonium salt group, S is a light absorbing group which is a residue of a sensitizing dye for trichloromethyl-s-triazine photopolymerization initiators or azinium salt photopolymerization initiators, and which has an absorption coefficient of more than 1000 at wavelengths longer than 300 nm, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3, l is an integer of 1 to 5, m is an integer of 1 to 5, n is an integer of 1 to 15, o is an integer of 3 to 200, and p is an integer of 3 to 500.
A light-sensitive lithographic printing plate comprising a support having provided thereon a light-sensitive layer comprising together, in admixture, a sensitizing amount of a compound or polymer, wherein said compound is represented by the following general formula (I):
- (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I);
- and said polymer comprises a moiety represented by the following general formula (II):
- --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II);
- wherein D is an aromatic diazonium salt group, S is a light absorbing group which is a residue of a sensitizing dye for trichloromethyl-s-triazine photopolymerization initiators or azinium salt photopolymerization initiators, and which has an absorption coefficient of more than 1000 at wavelengths longer than 300 nm, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3, l is an integer of 1 to 5, m is an integer of 1 to 5, n is an integer of 1 to 15, o is an integer of 3 to 200, and p is an integer of 3 to 500;
- and an alkali soluble resin.
A light-sensitive lithographic printing plate comprising a support having provided thereon a light-sensitive layer comprising together, in admixture, a sensitizing amount of a compound or polymer, wherein said compound is represented by the following general formula (I):
- (S).sub.1 --(L.sup.1).sub.m --(D).sub.n (I);
- and said polymer comprises a moiety represented by the following general formula (II):
- --(L.sup.2 (S)).sub.o --(L.sup.3 (D)).sub.P -- (II);
- wherein D is an aromatic diazonium salt group, S is a light absorbing group which is a residue of a sensitizing dye for trichloromethyl-s-triazine photopolymerization initiators or azinium salt photopolymerization initiators, and which has an absorption coefficient of more than 1000 at wavelengths longer than 300 nm, L.sup.1, L.sup.2 and L.sup.3 are connecting groups connecting S and D, provided that S and D are not conjugated by L.sup.1, L.sup.2 and L.sup.3, l is an integer of 1 to 5, m is an integer of 1 to 5, n is an integer of 1 to 15, o is an integer of 3 to 200, and p is an integer of 3 to 500;
- and alkali soluble resin;
- and a radical-polymerizable, unsaturated compound.
Dependencies are inferred from the claim text.