Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them
AssigneeFUJIFILM Corporation
InventorsTerukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
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Abstract
Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.
Claims18
A mercapto group-containing polymer compound represented by the following formula (2-A):
- wherein R11 represents a hydrogen atom or methyl group;
- R12 and R13 each independently represents a hydrogen atom or a substituent;
- X1 represents a unit of a monomer having an ethylenic unsaturated bond, and (X1)n optionally comprises two or more monomers;
- m and n represent weight ratios of the monomer units, and m+n=100;
- the copolymer of the monomer unit in the formula is optionally in the form of any of a random copolymer, a block copolymer and an alternating copolymer;
- and
- Y1 and Y2 represent an end group, and at least one of them represents a mercapto group represented as HS-Z-L1— where Z represents a nitrogen-containing aromatic ring, and L1 represents a divalent bridging group selected from the group consisting of
A mercapto group-containing polymer compound represented by the following formula (2-B):
- wherein R11 represents a hydrogen atom or methyl group;
- X1 represents a unit of a monomer having an ethylenic unsaturated bond, and (X1)n optionally comprises two or more monomers;
- m and n represent weight ratios of the monomer units, and m+n=100;
- the copolymer of the monomer unit in the formula is optionally in the form of any of a random copolymer, a block copolymer and an alternating copolymer;
- and
- Y11 and Y12 represent an end group, and at least one of them represents a group represented by the following formula (3):
- wherein L1A represents a divalent bridging group or a single bond selected from the group consisting of
- and Q represents N, CH or C—SH.
A mercapto group-containing polymer compound represented by the following formula (2-C):
- wherein R11 represents a hydrogen atom or methyl group;
- R21 represents a hydrogen atom or methyl group;
- L2 represents a divalent bridging group or a single bond;
- m2 and n2 represent weight ratios of the monomer units, and m2+n2=100;
- M represents a hydrogen atom or a cation;
- the copolymer of the monomer unit in the formula is optionally in the form of any of a random copolyrner, a block copolymer and an alternating copolymer;
- Y11 and Y12 represent an end group, and at least one of them represents a group represented by the following formula (3):
- wherein L1A represents a divalent bridging group selected from the group consisting of
- and Q represents N, CH or C—SH.
A mercapto group-containing polymer compound represented by the following formula (2-D):
- wherein R21 represents a hydrogen atom or methyl group;
- X1 represents a unit of a monomer having an ethylenic unsaturated bond, and (X1)m1 optionally comprises two or more monomers;
- m1 and n1 represent weight ratios of the monomer units, and m1+n1=100;
- L2 represents a divalent bridging group or a single bond;
- T represents —SO3M or —P(O)—(OM)2 where M represents a hydrogen atom or a monovalent cation;
- the copolymer of the monomer unit in the formula is optionally in the form of any of a random copolyrner, a block copolymer and an alternating copolymer;
- Y11 and Y12 represent an end group, and at least one of them represents a group represented by the following formula (3):
- wherein L1A represents a divalent bridging group selected from the group consisting of
- and Q represents N, CH or C—SH.
Dependencies are inferred from the claim text.