摘要:
A process for producing a color filter is disclosed, which comprises the steps of (a) pattern-exposing a light-sensitive material comprising a light-transmitting substrate having thereon at least three silver halide emulsion layers, and (b) subjecting the exposed light-sensitive material to color development processing, bleaching and fixing processing, and washing processing, wherein the at least three silver halide emulsion layers (i) comprise a layer containing at least a cyan coupler, a layer containing at least a magenta coupler and a layer containing at least a yellow coupler and (ii) have different color sensitivity; and the cyan coupler is a compound represented by the following formula (I): ##STR1## A color filter produced by the above-described process is also disclosed.
摘要:
A heat developable light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide, a binder, and a compound capable of ring-closure to produce a benzimidazole ring upon heat development can be developed to an increased maximum density with less fogging at a relatively low temperature in a short period of time.
摘要:
A heat-developable light-sensitive material is described, containing a compound represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted or unsubstituted alkenylene group, a substituted or unsubstituted alkynylene group, a substituted or unsubstituted aralkylene group, a substituted or unsubstituted arylene group, or a substituted or unsubstituted divalent heterocyclic group; R.sub.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group; R.sub.3 represents an alkyl group, an alkoxyl group, a halogen atom, an acylamino group, a sulfonylamino group, an alkylamino group, a dialkylamino group, an alkylsulfonyl group, an arylsulfonyl group, a cyano group, a substituted or unsubstituted carbamoyl group, a substituted or unsubstituted sulfamoyl group or an alkoxycarbonyl group; X represents a divalent group selected from ##STR2## (wherein R.sub.4 represents a hydrogen atom, a substituted or unsubstituted alkyl group), ##STR3## (wherein R.sub.5 represents a substituted or unsubstituted alkyl group), and ##STR4## M represents an alkali metal, an alkaline earth metal, a quaternary ammonium group, or an ammonium group represented by BH (wherein B represents an organic base); l is an integer of 0 to 3; and m and n are each an integer of 1 or 2, such that the electric charge of carboxylate anion is equivalent to that of M.This material is improved in activity and storage stability. That is, the material providing an image of high density and decreased fog, and which even when stored under high temperature/high humidity conditions, maintained good photographic performance.
摘要:
A heat developable light-sensitive material containing a compound represented by formula (I) or (II) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, a heterocyclic group, a carboxyl group or a salt thereof, a halogen atom, a cyano group, an alkylsulfonyl or arylsulfonyl group, a sulfamoyl group, a carbamoyl group, an alkoxycarbonyl or aryloxycarbonyl group, a di- or mono-alkylphosphoryl or arylphosphoryl group, a di- or mono-alkylphosphinyl or arylphosphinyl group, an alkylsulfinyl or arylsulfinyl group, an acyl group, an amino group, an acylamino group, an acyloxy group or a group represented by X; X represents a decarboxylation accelerating group; or any two of R.sub.1, R.sub.2, and X may combine to form a ring; and the groups represented by R.sub.1, R.sub.2 and X may further be substituted with a substituent; B represents an organic base; and n represents 1 when B represents a monoacid base or 2 when B represents a diacid base, provided that when ##STR2## is a free dibasic acid, n is 1/2 of the above described numbers, respectively.The heat developable light-sensitive material containing a base precursor represented by formula (I) or (II) has excellent stability during preservation before use, and provides a color image having a high color density and low fog in a short time.
摘要:
A heat-developable color photographic light-sensitive material comprises a support having thereon at least one layer containing the novel base precursor. This heat-developable color photographic light-sensitive material provides a high maximum density and low fog by heat-developing at a relatively low temperature and for a short period of time.
摘要:
A heat developable light-sensitive material having an excellent stability with time and capable of providing a high quality image is disclosed, which contains a base precursor represented by the following general formula (I): ##STR1## wherein A represents an organic residue represented by the following formula (II): ##STR2## X represents an electron attractive substituent having a Hammett's sigma value of more than 0;l represents an integer of 1 to 5 and, when l represents 2 or more, a plurality of Xs may be the same or different;Y represents a substituent having a Hammett's sigma value of 0 or less;k represents an integer of 0 to 5 and, when k represents 2 or more, a plurality of Ys may be the same or different;Z represents a divalent organic residue selected from the group consisting of --C.dbd.C--, --O--, --S--, and --NR-- (wherein R represents a hydrogen atom or a substituent selected from the group consisting of an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an acyl group);the broken line in the general formula (II) represents that the cyclic compound containing Z may optionally be fused with a benzene ring;B represents a mono- or diacidic base having a pKa value of 7 or more and containing 12 or less carbon atoms; andn and m represent an integer of 1 or 2 and are in such relation that the number of positive charge is equal to that of negative charge.
摘要:
A heat-developable color light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder, a dye releasing redox compound which is capable of reducing the light-sensitive silver halide and is capable of reacting with the light-sensitive silver halide by heating to release a hydrophilic dye and a salt of an alkylcarboxylic acid having a triple bond between the .alpha.-position carbon atom and the .beta.-position carbon atom with an organic base as a base precursor.The heat-developable color light-sensitive material containing the novel base precursor has good stability during preservation and provides a color image having a high color density and low fog in a short time by a simple procedure. A method of forming a color image using the heat-developable color light-sensitive material is also disclosed.
摘要:
A heat-developable color photographic material is disclosed. The material is comprised of a support having thereon at least a light-sensitive silver halide, a hydrophilic binder, a dye releasing compound reductive and capable of releasing a hydrophilic dye and a compound represented by the following general formula (A): ##STR1## wherein A.sub.1, A.sub.2, A.sub.3, and A.sub.4, which may be the same or different, each represents a hydrogen atom or a substituent selected from an alkyl group, a substituted alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, a substituted aryl group and a heterocyclic group, or A.sub.1 and A.sub.2 or A.sub.3 and A.sub.4 may combine with each other to form a ring.The heat-developable color photographic material can easily provide in a short time a clear and stable color image having a high color density and low fog by imagewise exposure and heat development procedure. A method of forming a color image using the heat-developable color photographic material is also disclosed.
摘要:
A heat developable light-sensitive material containing a novel base precursor (I), which is stable during storage and rapidly decomposes to release a basic component upon heating higher than a certain temperature, has excellent storability and provides an image having a good image quality, i.e., a low fog density and a high image density within a short period of developing time.
摘要:
A heat developable photographic material comprising a support having thereon at least a photosensitive silver halide, a binder, and at least on of base precursors represented by following formula (I) or (II): ##STR1## wherein R represents an alkyl group, an alkylene group, an aryl group, an arylene group, a monovalent or divalent heterocyclic group, each of which may be unsubstituted or substituted; B represents a mono- or di-acidic, nitrogen-containing, sulfur-free base having a pKa of not lower than about 7 and containing 12 carbon atoms or less; x is an integer of 1 when R represents a monovalent group or an integer of 2 when R represents a divalent group, y is the same as x when B represents the mono-acidic base or an integer of 1 when B represents the di-acidic base; and z is an integer of 2 when R represents a monovalent group and B represents the di-acidic base or otherwise an integer of 1; R' represents an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group or a heterocyclic group, each of which may be substituted or unsubstituted; X represents a substituent; p represents an integer of 0 to 4; and m' represents the valence number of M whereby stability with the passge of time prior to heat development is improved.