Classifications

• • G—PHYSICS
  • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
  • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
  • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
  • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
  • G03C7/3022—Materials with specific emulsion characteristics, e.g. thickness of the layers, silver content, shape of AgX grains
• • G—PHYSICS
  • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
  • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
  • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
  • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
  • G03C7/32—Colour coupling substances
  • G03C7/36—Couplers containing compounds with active methylene groups
  • G03C7/38—Couplers containing compounds with active methylene groups in rings

Definitions

• This invention relates to a processing method for a light-sensitive silver halide photographic material, more particularly to a processing method for light-sensitive silver halide photographic material in which high color reproducibility and whiteness can be obtained uniformly and stably during continuous processing.
• Color reproducibility of a light-sensitive silver halide color photographic material depends upon various factors.
• representative factors to affect to the color reproducibility are spectral sensitivity distributions of respective tight-sensitive emulsion layer, spectral absorption characteristics of a formed dye image (Xmax, sub-absorption, etc.), degree of turbidity between respective dye images at the development, presence of fluorescent brightening agent and the like.
• spectral sensitivity distributions of respective tight-sensitive emulsion layer spectral absorption characteristics of a formed dye image (Xmax, sub-absorption, etc.)
• degree of turbidity between respective dye images at the development presence of fluorescent brightening agent and the like.
• dependency of a color forming dye on the spectral absorption characteristics is extremely high when the respective light-sensitive layer has a suitable spectral sensitivity distribution and turbidity at the develop ment is substantially prevented.
• spectral absorption characteristics of the respective dye image of yellow, magenta and cyan main wavelength and sub-absorption of a spectral transmission curve of respective dye image are particularly important.
• Preferred spectral absorption characteristics of a dye image of a reflective support type are that the main absorption of respective dye image of yellow, magenta and cyan is present at the vicinity of 430 to 460 nm, 530 to 550 nm and 630 to 660 nm, respectively, and unnecessary absorptions at other wavelength regions are not present.
• a dye image which has been used in a light-sensitive silver halide color photographic material for reflective image does not necessarily satisfy concerning the sub-absorption while it almost satisfies the above requirements as to the main wavelength.
• respective dye image of magenta and cyan has considerably high sub-absorption at blue color region (400 nm to 500 nm) and this fact becomes one of large factor of lowering color reproducibility of the light-sensitive silver halide color photographic material for reflective image.
• the blue color which comprises combining dye images of magenta and cyan only a blue color having extremely low saturation can be reproduced due to its high sub-absorption. Such a matter becomes a serious problem at a shadow portion of the blue color having high magenta and cyan concentrations.
• magenta-and cyan couplers which give a little sub-absorption as magenta and cyan couplers.
• magenta-and cyan couplers which give a little sub-absorption as magenta and cyan couplers.
• couplers IH-pyrazolo-[3,2-Cj-S-triazole type magenta couplers are preferred as the magenta coupler and phenol type cyan couplers having acylamino groups at 2-and 5-positions are preferred as the cyan coupler.
• usual iight-sensitive silver halide color photographic material for reflective image has been carried out a color developing treatment in the presence of a water-soluble fluorescent brightening agent in order to increase the whiteness of an uncolor-formed portion.
• the fluorescent brightening agent can be added into a color developing solution or previously be added into a light-sensitive photographic material. By remaining the fluorescent brightening agent in the light-sensitive photographic material after processing, remarkable improvement of the whiteness at the uncolor-formed portion can be accomplished.
• Color reproduction at a high-light portion depends upon not only spectral absorption characteristics but also fluorescent brightening effect and spectral characteristics of the reflective support.
• a technique of bluing a reflective support as disclosed in Japanese Provisional Patent Publication No. 1902111978 and a technique of visually increasing the whiteness by bluing the white portion with a fluorescent brightening agent in order to improve the whiteness color reproduction at the highlight portion has also been moved to a blue color direction.
• the present status is that a technique of uniformly and stably obtaining color reproducibilities at both of the shadow portion and the high-light portion even at the continuous processing cannot be found, and development of such a technique has earnestly been desired.
• An object of the present invention is to provide a processing method for a light-sensitive silver halide photographic material in which high color reproducibility and whiteness at the both of shadow and high-light portions can be obtained uniformly and stably by continuous processing.
• the present inventors have carried out intensive studies in view of the above situation and as a result, they have found that in a processing method of a light-sensitive silver halide photographic material wherein a light-sensitive silver halide photographic material having at least one of silver halide emulsion layers on a reflective support is carried out an image-wise exposure and after a color development processing, immediately performing a bleach-fixing processing without effecting a water washing step, the improvement comprises a magenta coupler represented by the following formula (I) is contained in at least one of the silver halide emulsion layers, wherein Z represents a group of non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent; and R represents a hydrogen atom or a substituent, total gelatin amount contained in the silver halide emulsion layer containing said magenta coupler and a
• magenta coupler represented by the above formula (I) is contained.
• magenta coupler represented by the formula (I) will be explained below.
• Z represent a group of non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring and the ring formed by said Z may have a substituent.
• X represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent.
• R represents a hydrogen atom or a substituent.
• R there may be mentioned, for example, halogen atoms, an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, a sulfinyl group, a phosphonyl group, a carbamoyl group, a sulfamoyl group, a cyano group, a spiro compound residual group, a bridged hydrocarbon compound residual group, an alkoxy group, an aryloxy group, a heterocyclicoxy group, a siloxy group, an .
• halogen atoms an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl
• acyloxy group a carbamoyloxy group, an amino group, an acylamino group, a sulfonamide group, an imide group, an ureido group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylthio group, an arylthio group and a heterocyclicthio group.
• halogen atoms for example, chlorine atom, bromine atom may be used, particularly preferably chlorine atom.
• the alkyl group represented by R may include preferably those having I to 32 carbon atoms, the alkenyl group or the alkynyl group those having 2 to 32 carbon atoms and the cycloalkyl group or the cycloalkenyl group those having 3 to 12 carbon atoms, particularly 5 to 7 carbon atoms.
• the alkyl group, alkenyl group or alkynyl group may be either straight or branched.
• alkyl group, alkenyl group, alkynyl group, cycloalkyl group and cycloalkenyl group may also have substituents [e.g. an aryl group, a cyano group, a halogen atom, a heterocyclic ring, a cycloalkyl group, a cycloalkenyl group, a spiro ring compound residual group, a bridged hydrocarbon compound residual group; otherwise those substituted through a carbonyl group such as an acyl group, a carboxy group, a carbamoyl group, an alkoxycarbonyl group and an aryloxycarbonyl group; further those substituted through a hetero atom, specifically those substituted through an oxygen atom such as of a hydroxy group, an alkoxy group, an aryloxy group, a heterocyclicoxy group, a siloxy group, an acyloxy group, a carbamoyloxy group, etc.; those substituted through a nitrogen
• the aryl group represented by R may preferably be a phenyl group, which may also have a substituent (e.g. an alkyl group, an alkoxy group, an acylamino group, etc.).
• a phenyl group a 4-t-butylphenyl group, a 2,4-di-t-amylphenyl group, a 4-tetradecaneamidophenyl group, a hexadecyloxyphenyl group, a 4'-[ ⁇ -(4"-t-butylphenoxy)-tetradecaneamido]phenyl group and the like.
• the heterocyclic group represented by R may preferably be a 5-to 7-membered ring, which may either be substituted or fused. More specifically, a 2-furyl group, a 2-thienyl group, a 2-pyrimidinyl group, a 2-benzothiazolyl group, etc. may be mentioned.
• the acyl group represented by R may be, for example, an alkylcarbonyl group such as an acetyl group, a phenylacetyl group, a dodecanoyl group, an ⁇ -2,4-di-tamylphenoxybutanoyl group and the like; an arytcarbonyt group such as a benzoyl group, a 3-pentadecytoxybenzoyt group, a p-chlorobenzoyl group and the like.
• an alkylcarbonyl group such as an acetyl group, a phenylacetyl group, a dodecanoyl group, an ⁇ -2,4-di-tamylphenoxybutanoyl group and the like
• an arytcarbonyt group such as a benzoyl group, a 3-pentadecytoxybenzoyt group, a p-chlorobenzoyl group and the like.
• the sulfonyl group represented by R may include alkylsulfonyl groups such as a methylsulfonyl group, a dodecylsulfonyl group and the like; arylsulfonyl groups such as a benzenesulfonyl group, a p-toluenesulfonyl group and the like.
• Examples of the sulfinyl group represented by R are alkylsulfinyl groups such as an ethylsulfinyl group, an octylsulfinyl group, a 3-phenoxybutylsulfinyl group and the like; arylsulfinyl groups such as a phenylsul- finyl group, a m-pentadecylphenylsulfinyl group and the like.
• the phosphonyl group represented by R may be exemplified by alkylphosphonyl groups such as a butyloctylphos phony group and the like; alkoxyphosphonyl groups such as an octyloxyphosphonyl group and the like; aryloxyphosphonyl groups such as a phenoxyphosphonyl group and the like; and arylphosphonyl groups such as a phenylphosphonyl group and the like.
• the carbamoyl group represented by R may be substituted by an alkyl group, an aryl group (preferably a phenyl group), etc., including, for example, an N-methylcarbamoyl group, an N,N-dibutylcarbamoyl group, an N-(2-pentadecyloctylethyl)carbamoyl group, an N-ethyl-N-dodecylcarbamoyl group, an N- ⁇ 3-(2,4-di-t-amylphenoxy)propyl)carbamoyl group and the like.
• the sulfamoyl group represented by R may be substituted by an alkyl group, an aryl group (preferably a phenyl group), etc., including, for example, an N-propylsulfamoyl group, an N,N-diethylsulfamoyl group, an N-(2-pentadecyloxyethyl)sulfamoyl group, an N-ethyl-N-dodecylsulfamoyl group, an N-phenylsulfamoyl group and the like.
• the spiro compound residue represented by R may be, for example, spiro[3.3]heptan-I-yl and the like.
• the bridged hydrocarbon residual group represented by R may be, for example, bicyclo[2.2.1]heptan-I-yl, tricyclo[3.3.1.1 3,7 ]decan-1-yl, 7,7-dimethylbicyclo[2.2.1]heptan-1-yl and the like.
• the alkoxy group represented by R may be substituted by those as mentioned above as substituents for alkyl groups, including a methoxy group, a propoxy group, a 2-ethoxyethoxy group, a pentadecyloxy group, a 2-dodecyloxyethoxy group, a phenethyloxyethoxy group and the like.
• the aryloxy group represented by R may preferably be a phenyloxy group- of which the aryl nucleus may be further substituted by those as mentioned above as substituents or atoms for the aryl groups, including, for example, a phenoxy group, a p-t-butylphenoxy group, a m-pentadecylphenoxy group and the like.
• the heterocyclicoxy group represented by R may preferably be one having a 5-to 7-membered hetero ring, which hetero ring may further have substituents, including 3,4,5,6-tetrahydropyranyl-2-oxy group, a I-phenyltetrazole-5-oxy group and the like.
• the siloxy group represented by R may further be substituted by an alkyl group, etc., including a siloxy group, a trimethylsiloxy group, a triethylsiloxy group, a.dimethylbutylsiloxy group and the like.
• the acyloxy group represented by R may be exemplified by an alkylcarbonyloxy group, an arylcarbonyloxy group, etc., which may further have substituents, including specifically an acetyloxy group, an a-chloroacetyloxy group, a benzoyloxy and the like.
• the carbamoyloxy group represented by R may be substituted by an alkyl group, an aryl group, etc., including an N-ethylcarbamoyloxy group, an N,N-diethylcarbamoyloxy group, an N-phenylcarbamoyloxy group and the like.
• the amino group represented by R may be substituted by an alkyl group, an aryl group (preferably a phenyl group), etc., including an ethylamino group, an anilino group, a m-chloroanilino group, a 3-pentadecyloxycarbonylanilino group, a 2-chloro-5-hexadecaneimidoanilino group and the like.
• the acylamino group represented by R may include an alkylcarbonylamino group, an arylcarbonylamino group (preferably a phenylcarbonylamino group), etc., which may further have substituents, specifically an acetamide group, an a-ethylpropaneamide group, an N-phenylacetamide group, a dodecaneamide group, a 2,4-di-t-amylphenoxyacetamide group, an a-3-t-butyl-4-hydroxyphenox- ybutaneamide group and the like.
• the sulfonamide group represented by R may include an alkylsulfonylamino group, an arylsulfonylamino group, etc., which may further have substituents, specifically a methylsulfonylamino group, a pentadecylsulfonylamino group, a benzenesulfonamide group, a p-toluenesulfonamide group, a 2-methoxy-5-t-amylbenzenesulfonamide and the like.
• the imide group represented by R may be either open-chained or cyclic, which may also have substituents, as exemplified by a succinimide group, a 3-heptadecylsuccinimide group, a phthalimide group; a giutarimide group and the like.
• the ureido group represented by R may be substituted by an alkyl group, an aryl group (preferably a phenyl group), etc., including an N-ethylureido group, an N-methyl-N-decylureido group, an N-phenylureido group, an N-p-tolylbreido group and the like.
• the sulfamoylamino group represented by R may be substituted by an alkyl group, an aryl group - (preferably a phenyl group), etc., including an N,N-dibutylsulfamoylamino group, an N-methylsul- famoylamino group, an N-phenylsulfamoylamino group and the like.
• the alkoxycarbonylamino group represented by R may further have substituents, including a methox- ycarbonylamino group, a methoxyethoxycarbonylamino group, an octadecyloxycarbonylamino group and the like.
• the aryloxycarbonylamino group represented by R may have substituents, and may include a phenoxycarbonylamino group, a 4-methylphenoxycarbonylamino group and the like.
• the alkoxycarbonyl group represented by R may further have substituents, and may include a methoxycarbonyl group, a butyloxycarbonyl group, a dodecyloxycarbonyl group, an octadecyloxycarbonyl group, an ethoxymethoxycarbonyloxy group, an benzyloxycarbonyl group and the like.
• the aryloxycarbonyl group represented by R may further have substituents, and may include a phenoxycarbonyl group, a p-chlorophenoxycarbonyl group, a m-pentadecyloxyphenoxycarbonyl group and the like.
• the alkylthio group represented by R may further have substituents, and may include an ethylthio group, a dodecylthio group, an octadecylthio group, a phenethylthio group, a 3-phenoxypropyithio group and the like.
• the arylthio group represented by R may preferably be a phenylthio group, which may further have substituents, and may include, for example, a phenylthio group, a p-methoxyphenylthio group, a 2-t-octylphenylthio group, a 3-octadecylphenylthio group, a 2-carboxyphenylthio group, a p-acetaminophenyl- thio group and the like.
• the heterocyclicthio group represented by R may preferably be a 5-to 7-membered heterocyclicthio group, which may further have a fused ring or have substituents, including, for example, a 2-pyridylthio group, a 2-benzothiazolylthio group, a 2,4-di-phenoxy-1,3,5-triazole-6-thio group and the like.
• the atom eliminatable through the reaction with the oxidized product of a color developing agent represented by X may include halogen atoms (e.g. a chlorine atom, a bromine atom, a fluorine atom, etc.) and also groups substituted through a carbon atom, an oxygen atom, a sulfur atom or a nitrogen atom.
• halogen atoms e.g. a chlorine atom, a bromine atom, a fluorine atom, etc.
• the group substituted through a carbon atom may include the groups represented by the formula: wherein R" has the same meaning as the above R, Z' has the same meaning as the above Z, R 2 ' and R 3 ' each represent a hydrogen atom, an aryl group, an alkyl group or a heterocyclic group, a hydroxymethyl group and a triphenylmethyl group.
• the group substituted through an oxygen atom may include an alkoxy group, an aryloxy group, a heterocyclicoxy group, an acyloxy group, a sulfonyloxy group, an alkoxycarbonyloxy group, an aryloxycar- bonyloxy group, an alkyloxalyfoxy group, an alkoxyoxalyloxy groups.
• Said alkoxy group may further have substituents, including an ethoxy group, a 2-phenoxyethoxy group, a 2-cyanoethoxy group, a phenethyloxy group, a p-chlorobenzyloxy group and the like.
• Said aryloxy group may preferably be a phenoxy group, which aryl group may further have substituents.
• Specific examples may include a phenoxy group, a 3-methylphenoxy group, a 3-dodecylphenoxy group, a 4-methanesulfonamidophenoxy group, a 4-[a-(3'-pentadecylphenoxy)butaneamido]phenoxy group, a hexadecyfcarbamoylmethoxy group, a 4-cyanophenoxy group, a 4-methanesulfonylphenoxy group, a I-naphthyloxy group, a p-methoxyphenoxy group and the like.
• Said heterocyclicoxy group may preferably be a 5-to 7-membered heterocyclicoxy group, which may be a fused ring or have substituents. Specifically, a l-phenyltetrazolyloxy group, a 2-benzothiazolyloxy group and the like may be included.
• Said acyloxy group may be exemplified by an alkylcarbonyloxy group such as an acetoxy group, a butanoyloxy group, etc.; an alkenylcarbonyloxy group such as a cinnamoyloxy group; an arylcarbonyloxy group such as a benzoyloxy group.
• Said sulfonyloxy group may be, for example, a butanesuffonyloxy group, a methanesulfonyloxy group and the like.
• Said alkoxycarbonyloxy group may be, for example, an ethoxycarbonyloxy group, a benzyloxycar- bonyloxy group and the like.
• Said aryloxycarbonyl group may be, for example, a phenoxycarbony(oxy group and the like.
• Said alkyloxalyloxy group may be, for example, a methyloxalyloxy group.
• Said alkoxyoxalyloxy group may be, for example, an ethoxyoxalyloxy group and the like.
• the group substituted through a sulfur atom may include an alkylthio group, an arylthio group, a heterocyclicthio group, an alkyloxythiocarbonylthio groups.
• Said alkylthio group may include a butylthio group, a 2-cyanoethylthio group, a phenethylthio group, a benzylthio group and the like.
• Said arylthio group may include a phenylthio group, a 4-methanesulfonamidophenylthio group, a 4-dodecylphenethylthio group, a 4-nonafluoropentaneamidophenethylthio group, a 4-carboxyphenylthio group, a 2-ethoxy-5-t-butylphenylthio group and the like.
• Said heterocyclicthio group may be, for example, a I-phenyl-1,2,3,4-tetrazolyi-5-thio group, a 2-benzothiazolylthio group and the like.
• Said alkyloxythiocarbonylthio group may include a dodecyloxythiocarbonylthio group and the like.
• the group substituted through a nitrogen atom may include, for example, those represented by the formula:
• R 4 ' and R s ' each represent a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, a sulfamoyl group, a carbamoyl group, an acyl group, a sulfonyl group, an aryloxycarbonyl group or an alkoxycarbonyl group.
• R 4 ' and R s ' may be bonded to each other to form a hetero ring.
• R.' and R s ' cannot both be hydrogen atoms.
• Said alkyl group may be either straight or branched, having preferably I to 22 carbon atoms.
• the alkyl group may have substituents such as an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylamino group, an arylamino group, an acylamino group, a sulfonamide group, an imino group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkyloxycarbonylamino group, an aryloxycarbonylamino group, a hydroxyl group, a carboxyl group, a cyano group, halogen atoms, etc.
• Typical examples of said alkyl group may include an
• the aryl group represented by R 4 ' or R s ' may preferably have 6 to 32 carbon atoms, particularly a phenyl group or a naphthyl group, which aryl group may also have substituents such as those as mentioned above for substituents on the alkyl group represented by R 4 ' or R s ' and alkyl groups.
• Typical examples of said aryl group may be, for example, a phenyl group, a I-naphtyl group, a 4-methylsulfonylphenyl group and the like.
• the heterocyclic group represented by R4' or R s ' may preferably a 5-or 6-membered ring, which may be a fused ring or have substituents. Typical examples may include a 2-furyl group, a 2-quinolyl group, a 2- pyrimidyl group, a 2-benzothiazolyl group, a 2-pyridyl group and the like.
• the sulfamoyl group represented by R 4 ' or R s ' may include an N-alkylsulfamoyl group, an N,N-dialkylsulfamoyl group, an N-arylsulfamoyl group, an N,N-diarylsulfamoyl group and the like, and these alkyl and aryl groups may have substituents as mentioned above for the alkyl groups and aryl groups.
• Typical examples of the sulfamoyl group are, for example, an N,N-diethylsulfamoyl group, an N-methylsulfamoyl group, an N-dodecylsulfamoyl group, an N-p-tolylsulfamoyl group and the like.
• the carbamoyl group represented by R 4 ' or R s ' may include an N-alkylcarbamoyl group, an N,N-dialkylcarbamoyl group, an N-arylcarbamoyl group, an N,N-diarylcarbamoyl group and the like, and these alkyl and aryl groups may have substituents as mentioned above for the alkyl groups and aryl groups.
• carbamoyl group examples include an N,N-diethylcarbamoyl group, an N-methylcarbamoyl group, an N-dodecylcarbamoyl group, an N-p-cyanocarbamoyl group, an N-p-tolylcarbamoyl group and the like.
• the acyl group represented by R 4 ' or R s ' may include an alkylcarbonyl group, an arylcarbonyl group, a heterocyclic carbonyl group, which alkyl group, aryl group and heterocyclic group may have substituents.
• Typical examples of the acyl group are a hexafluorobutanoyl group, a 2,3,4,5,6-pentafluorobenzoyl group, an acetyl group, a benzoyl group, a naphthoyl group, a 2-furylcarbonyl group and the like.
• the sulfonyl group represented by R 4 ' or R s ' may be, for example, an alkylsulfonyl group, an arylsulfonyl group or a heterocyclic sulfonyl group, which may also have substituents, including specifically an ethanesulfonyl group, a benzenesulfonyl group, an octanesulfonyl group, a naphthalenesulfonyl group, a p-chlorobenzenesulfonyl group and the like.
• the aryloxycrbonyl group represented by R 4 ' or R s ' may have substituents as mentioned for the above aryl group, including specifically a phenoxycarbonyl group and the like.
• the alkoxycarbonyl group represented by R 4 ' or R 5 ' may have substituents as mentioned for the above alkyl group, and its specific examples are a methoxycarbonyl group, a dodecyloxycarbonyl group, a benzyloxycarbonyl group and the like.
• the heterocyclic ring formed by bonding between R 4 ' and R s ' may preferably be a 5-or 6-membered ring, which may be either saturated or unsaturated, either has aromaticity or not, or may also be a fused ring.
• Said heterocyclic ring may include, for example, an N-phthalimide group, an N-succinimide group, a 4-N-urazolyl group, a I-N-hydantoinyl group, a 3-N-2,4-dioxooxazolidinyl group, a 2-N-1,1-dioxo-3-(2H)-oxo-1,2- benzthiazolyl group, a I-pyrrolyl group, a I-pyrrolidinyl group, a I-pyrazolyl group, a I-pyrazolidinyl group, a I-piperidinyl group, a I-pyrrolinyl group, a I-imidazolyl group, a 1-imidazolinyl group, a 1-indolyl group, a I-isoindolinyl group, a 2-isoindolyl group, a 2-isoindolinyl group, a I-benz
• heterocyclic groups may be substituted by an alkyl group, an aryl group, an alkyloxy group, an aryloxy group, an acyl group, a sulfonyl group, an alkylamino group, an arylamino group, an acylamino group, a sulfonamino group, a carbamoyl group, a sulfamoyl group, an alkylthio group, an arylthio group, an ureido group, an alkoxycarbonyl group, an aryloxycarbonyl group, an imide group, a nitro group, a cyano group, a carboxyl group or halogen atoms.
• the nitrogen-containing heterocyclic ring formed by Z and Z' may include a pyrazole ring, a imidazole ring, a triazole ring or a tetrazole ring, and the substituents which may be possessed by the above rings may include those as mentioned for the above R.
• the substituent (e.g. R, R, to R 8 ) on the heterocyclic ring in the formula (I) and the formulae (II) to (VII) as hereinafter described has a moiety of the formula: (wherein R", X and Z" have the same meanings as R, X and Z in the formula (I)), the so-called bis-form type coupler is formed, which is of course included in the present invention.
• the ring formed by Z, Z', Z" and Z, as hereinafter described may also be fused with another ring (e.g. a 5-to 7-membered cycloalkene).
• R s and R 6 in the formula [V], R 7 and R 8 in the formula (VI) may be bonded to each other to form a ring (e.g. a 5-to 7-membered rings).
• the compounds represented by the formula (I) can be also represented specifically by the following formulae (II) through (VII).
• R, to R 8 and X have the same meanings as the above R and X.
• magenta couplers represented by the formulae (II) to (VII) are particularly preferred.
• R in the formula - (I) and R, in the formulae (II) to (VIII) should preferably satisfy the following condition I, more preferably satisfy the following conditions I and 2, and particularly preferably satisfy the following conditions 1, 2 and 3:
• a root atom directly bonded to the heterocyclic ring is a carbon atom
• Condition 2 only one of hydrogen atom is bonded to said carbon atom or no hydrogen atom is bonded to it, and
• each of R., R, o and R represents a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, a sulfinyl group, a phosphonyl group, a carbamoyl group, a sulfamoyl group, a cyano group, a spiro compound residual group, a bridged hydrocarbon compound residual group, an alkoxy group, an aryloxy group, a heterocyclicoxy group, a siloxy group, an acyloxy group, a carbamoyloxy group, an amino group, an acylamino group, a sulfonamide group, an imide group, an ureido group, a
• R., R, o and R,, for example, R 9 and R 10 may be bonded together to form a saturated or unsaturated ring (e.g. cycloalkane ring, cycloalkene ring or heterocyclic ring), and further to form a bridged hydrocarbon compound residual group by bonding R,, to said ring.
• a saturated or unsaturated ring e.g. cycloalkane ring, cycloalkene ring or heterocyclic ring
• the groups represented by R 9 to R may have substituents, and examples of the groups represented by R 9 to R,, and the substituents which may be possessed by said groups may include examples of the substituents which may be possessed by the R in the above formula (I), and substituents which may be possessed by said substituents.
• examples of the ring formed by bonding between R 9 and R 10 , the bridged hydrocarbon compound residual group formed by R 9 to R 11 and the substituents which may be possessed thereby may include examples of cycloalkyl, cycloalkenyl and heterocyclic groups as mentioned for substituents on the R in the aforesaid formula (I) and substituents thereof.
• R 9 to R are alkyl groups and the other one is a hydrogen atom or an alkyl group.
• said alkyl and said cycloalkyl may further have substituents, and examples of said alkyl, said cycloalkyl and substituents thereof may include those of alkyl, cycloalkyl and substituents thereof as mentioned for the substituents on the R in the formula (I) and the substituents thereof.
• the substituents which the ring to be formed by Z in the formula (I) and the ring to be formed by Z, in the formula (VIII) may have, and the substituents R 2 to R 8 in the formulae (II) to (VI), are preferably those represented by the formula (X) shown below: wherein R' represents an alkylene group, R 2 represents an alkyl group, a cycloalkyl group or an aryl group.
• the alkylene represented by R' preferably has 2 or more, and more preferably 3 to 6 carbon atoms at the straight chain portion, and may be of straight chain or branched structure. Also, this alkylene may have a substituent.
• substituents may include those shown as the substituents which the alkyl group when R in the formula (I) may have.
• Preferable substituents may include a phenyl.
• the alkyl group represented by R 2 may be of straight chain or branched structure.
• it may include methyl, ethyl, propyl, iso-propyl, butyl, 2-ethylhexyl,, octyl, dodecyl, tetradecyl, hexadecyl, octadecyl, 2-hexyldecyl, etc.
• the cycloalkyl group represented by R is preferably of 5 to 6 members, and may include, for example, a cyclohexyl group.
• the alkyl group and the cycloalkyl group represented by R may each have a substituent including, for example, those exemplified as the substituents for the above R'.
• the aryl group represented by R may specifically include a phenyl group, and a naphthyl group.
• the aryl group may have a substituent.
• Such a substituent may include, for example, a straight chain or branched alkyl group, and besides, those exemplified as the substituents for the above R'.
• substituents when there are two or more substituents, they may be the same or different substituents.
• magenta coupler of the present invention examples are enumerated, which are not limitative of the present invention.
• the coupler of the present invention can be used in an amount generally within the range of from I x 10- 3 mole to 5 x 10- t mole, preferably from I x10 -2 to 5 X 10 -1 mole, per mole of the silver halide.
• the coupler of the present invention can be used in combination with other kinds of magenta couplers.
• magenta coupler of the present invention As the method for adding the magenta coupler represented by the formula (I) (hereinafter referred to as the magenta coupler of the present invention) to the light-sensitive silver halide photographic material, the same as in the additional method of the general hydrophobic compounds, there may be employed various methods such as the solid dispersing method, latex dispersing method, oil droplet-in-water type emulsifying method, etc. These methods can suitably be selected depending on the chemical structures of the hydrophobic compounds such as the coup the couplers.
• a conventional method of dispersing a hydrophobic compound such as a coupler may be applied, which method may usually comprise dissolving in a high boiling point organic solvent boiling at about 150 °C or higher a low boiling point organic solvent and/or a water soluble organic solvent which may be optionally used in combination, and carrying out emulsification dispersion by using a surface active agent in a hydrophilic binder such as a gelatin solution and by using a dispersion means such as a stirrer, a ultrasonic device, etc., followed by adding a resultant dispersion to the aimed hydrophilic colloid layer. After dispersion or at the time of the dispersion, a step to remove the low boiling point organic solvent may be included.
• an organic solvent boiling at 150 °C or higher comprising a phenol derivative, a phthalate, a phosphate, a citrate, a benzoate, an alkylamide, an aliphatic acid ester, a trimesic acid ester, etc. which do not react with the oxidized product of a developing agent.
• the high boiling point organic solvent which can be preferably used when the magenta coupler according to the present invention is dispersed includes a compound having the dielectric constant of 6.0 or less, for example, esters such as phthalates and phosphates, organic amides, ketones, hydrocarbon compounds, etc., which have the dielectric constant of 6.0 or less.
• organic solvents may be used generally in a proportion of of 10 to 150 % by weight, preferably 20 to 100 % by weight, based on the magenta coupler of the present invention.
• an anionic surface active agent As a dispersing aid to be used when the hydrophobic compound such as a coupler is dissolved in the solvent employing a high boiling point solvent alone or in combination with the low boiling point solvent to carry out the dispersion by use of a mechanical means or an ultrasonic wave, there may be used an anionic surface active agent, a nonionic surface active agent and cationic surface active agent.
• the layer constitution in the light-sensitive silver halide color photographic material to be used in the present invention may assume any layer number and layer sequence, but preferably such that layers constituted of, on a reflective support, (I) a silver halide emulsion layer containing a yellow coupler, (2) a silver halide emulsion layer containing a magenta coupler according to the present invention and (3) a silver halide emulsion layer containing a cyan coupler are provided in the order of (I) -(2) -(3) from the support side, intermediate layers are provided between (I) and (2), and (2) and (3), respectively, and a non-light- sensitive layer is provided at a side more distant to (3) viewed from the support, and preferably ultraviolet absorbers are contained in the intermediate layer between said (2) and (3) and in the non-light-sensitive layer adjacent to (3).
• the ultraviolet absorber is contained in the non-light-sensitive layer adjacent to the above (3), it is preferred to further provide a protective layer adjacent to the layer.
• phenol type or naphthol type tetraequivalent or diequivalent type cyan couplers are representative, and specific examples thereof are described in, for example, U.S. Patents No. 2,306,410, No. 2,356,475, No. 2,362,589, No. 2,367,531, No. 2,369,929, No. 2,423,730, No. 2,474,293, No. 2,476,008, No. 2,498,466, No. 2,545,687, No. 2,728,660, No. 2,772,162, No. 2,895,826, No. 2,976,146, No. 3,002,836, No. 3,419,390, No.
• the compounds represented by the following formulae [CC -I] and [CC -2] are preferred.
• R I represents an alkyl group or an aryl group
• R 2 represents an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group
• R 3 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, and R 3 may form a ring combined with R'
• Z represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent.
• R 4 represents a straight of branched alkyl group having I to 4 carbon atoms
• R 5 represents a ballast group
• Z have the same meaning as defined in the formula [CC -I]; and particularly preferred R' is a straight or branched alkyl group having 2 to 4 carbon atoms.
• the alkyl group represented by R' of the formula [CC -I] is a straight or branched one, such as, for example, a methyl group, an ethyl group, an iso-propyl group, a butyl group, a pentyl group, an octyl group, a nonyl group, a tridecyl group, etc.
• the aryl group may include, for example, a phenyl group, a naphthyl group, etc.
• R' may include those having single or plural number of substituents, and for example, as the substituent introduced in the phenyl group, there may be mentioned, as the representative examples, a halogen atom (e.g., each atom of fluorine, chlorine, bromine, etc.), an alkyl group (e.g., a methyl group, an ethyl group, a propyl group, a butyl group, a dodecyl group, etc.), a hydroxyl group, a cyano group, a nitro group, an alkoxy group (e.g., a methoxy group, an ethoxy group), an alkylsulfonamide group (e.g., a methylsulfonamide group, an octylsulfonamide group, etc.), an arylsulfonamide group (e.g., a phenylsulfonamide group, a naphthylsulfon
• the halogen atom represented by R 3 may be, for example, each atom of fluorine, chlorine, bromine, etc.
• the alkyl group may be, for example, a methyl group, an ethyl group, a propyl group, a butyl group, a dodecyl group, etc.
• the alkoxy group may be, for example, a methoxy group, an ethoxy group, a propyloxy group, a butoxy group, etc.
• R 3 may form a ring combined with R'.
• the alkyl group represented by R 2 of the above formula [CC -2] may be, for exam ple, a methyl group, an ethyl group, a butyl group, a hexyl group, a tridecyl group, a pentadecyl group, a heptadecyl group, a so-called polyfluoroalkyl group substituted by fluorine atoms, and the like.
• the aryl group represented by R 2 may be, for example, a phenyl group, a naphthyl group, preferably a phenyl group.
• the heterocyclic group represented by R 2 may be, for example, a pyridyl group, a furan group, etc.
• the cycloalkyl group represented by R may be, for example, a cyclopropyl group, a cyclohexyl group, etc.
• R may also include those having single or plural number of substituents, and for example, as the substituents introduced into the phenyl group, there may be mentioned, as the representative examples, a halogen atom (e.g., each atom of fluorine, chlorine, bromine, etc.), an alkyl group (e.g., a methyl group, an ethyl group, a propyl group, a butyl group, a dodecyl group, etc.), a hydroxyl group, a cyano group, a nitro group, an alkoxy group (e.g., a methoxy group, an ethoxy group, etc.), an alkylsulfonamide group (e.g., a methylsulfonamide group, an octylsulfonamide group, etc.), an arylsulfonamide group (e.g., a phenylsulfonamide group, a naphthyl
• R 2 there may be mentioned a polyfluoroalkyl group, a phenyl group or a phenyl group having one or more substituents such as a halogen atom, an alkyl group, an alkoxy group, an alkylsulfonamide group, an arylsulfonamide group, an alkylsulfamoyl group, an arylsulfamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylcarbonyl group, an arylcarbonyl group or a cyano group.
• substituents such as a halogen atom, an alkyl group, an alkoxy group, an alkylsulfonamide group, an arylsulfonamide group, an alkylsulfamoyl group, an arylsulfamoyl group, an alkylsulfonyl group, an arylsulfony
• preferred cyan coupler represented by the formula [CC -1] is a compound represented by the following formula [CC -3]:
• R 6 represents a phenyl group.
• This phenyl group may include those having single or plural number of substituents, and for example, as the substituents introduced into the phenyl group, there may be mentioned, as the representative examples, a halogen atom (e.g., each atom of fluorine, chlorine, bromine, etc:), an alkyl group (e.g., a methyl group; an ethyl group, a propyl group, a butyl group, a dodecyl group, etc.), a hydroxyl group, a cyano group, a nitro group, an alkoxy group (e.g., a methoxy group, an ethoxy group, etc.), an alkylsulfonamide group (e.g., a methylsulfonamide group, an octylsulfonamide group, etc.), an arylsulfonamide group (e.g., a halogen
• the phenyl group may be substituted by two or more kinds of these substituents.
• a phenyl group or a phenyl group having one or more substituents such as a halogen atom (preferably each atom of fluorine, chlorine, bromine), an alkylsulfonamide group (preferably an o-methylsulfonamide group, a p-octylsulfonamide group, an o-dodecylsulfonamide group), an arylsulfonamide group (preferably a phenylsulfonamide group), an alkylsulfamoyl group (preferably a butylsulfamoyl group), an arylsulfamoyl group (preferably a phenylsulfamoyl group), an alkyl group (preferably a methyl group, a trifluoromethyl group) and an alkoxy group (preferably a me
• a halogen atom preferably each
• R' represents an alkyl group or an aryl group.
• the alkyl group and the aryl group may include those having single or plural numbers of substituents, and as the representative examples, there may be mentioned a halogen atom (e.g., each atom of fluorine, chlorine, bromine, etc.), a hydroxyl group, a carboxyl group, an alkyl group (e.g., a methyl group, an ethyl group, a propyl group, a butyl group, an octyl group, a dodecyl group, etc.), an aralkyl group, a cyano group, a nitro group, an alkoxy group (e.g., a methoxy group, an ethoxy group, etc.), an aryloxy group, an alkylsulfonamide group (e.g., a methylsulfonamide group, an octylsulfonamide group, etc.),
• R is an alkyl group when n, is 0 and an aryl group when n, is I more more.
• R" represents an alkylene group.
• the alkylene group may be a straight or branched one having I to 20 carbon atoms, preferably those having I to 12 carbon atoms.
• R' represents a hydrogen atom or a halogen atom (each atom of fluorine, chlorine, bromine or iodine, etc.). Preferred is a hydrogen atom.
• n is 0 or a positive integer, preferably 0 or I.
• X represents a divalent group such as -O-, -CO-, -COO-, -OCO-, -SO,NR-, -NR'SO 2 NR"-, -S-, -SO-or - SO 2 -groups.
• R' and R" each represent an alkyl group and each of the R' and R" may include those having substituents.
• Preferred X are -0-, -S-, -SO-and SO 2 -groups.
• Z have the same meaning with Z as defined in the formula [CC -I].
• said straight or branched alkyl group having I to 4 carbon atoms represented by R in the formula [CC - 2] may be, for example, an ethyl group, a propyl group, a butyl group, an iso- propyl group, an iso-butyl group, a sec-butyl group or a tert-butyl group and they may include those having substituents.
• substituents there may be mentioned an acylamino group (e.g., an acetylamino group), an alkoxy group (e.g., a methoxy group), and the like.
• R * may preferably be an alkyl group having 2 to 4 carbon atoms.
• the ballast group represented by R S is an organic group having a bulk and a shape for providing a sufficient bulk size to a coupler molecule to substantially inhibit diffusion of the coupler from a layer applied said coupler to other layers.
• ballast group there may be mentioned an alkyl group or an aryl group each having 8 to 32 total carbon atoms.
• alkyl group and the aryl group may include those having substituents.
• substituents for the aryl group there may be mentioned, for example, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a carboxy group, an acyl group, an ester group, a hydroxy group, a cyano group, a nitro group, a carbamoyl group, a carbonamide group, an alkylthio group, an arylthio group, a sulfonyl group, a sulfonamide group, a sulfamoyl group and a halogen atom.
• substituents for-the alkyl group the aforesaid substituents other than the alkyl group mentioned for the aryl group may be mentioned.
• ballast group may be those represented by the following formula [CC -4]:
• R'° represents a hydrogen atom or an alkyl group having I to 12 carbon atoms
• Ar represents an aryl group such as a phenyl group and the aryl group may include those having substituents.
• substituents there may be mentioned an alkyl group, a hydroxy group, an alkylsulfonamide group, etc., but the most preferred is a branched alkyl group such as a t-butyl group, etc.
• a halogen atom typified by chlorine and fluorine, a substituted or unsubstituted alkoxy group, an aryloxy group, an arylthio group, a carbamoyloxy group, an acyloxy group, a sulfonyloxy group, a sulfonamide group, a heteroylthio group, a heteroyloxy group and the like.
• Particularly preferred Z is a hydrogen atom or a chlorine atom.
• the compound represented by following formula [Y] is preferred.
• R" represents an alkyl group (e.g., a methyl group, an ethyl group, a propyl group, a butyl group, etc.) or an aryl group (e.g., a phenyl group, a p-methoxyphenyl group, etc.);
• R' 2 represents an aryl group;
• Y' represents a hydrogen group or a group eliminatable through a processing of a color developing reaction.
• R" represents a halogen atom, an alkoxy group or an aryloxy group
• R 15 and R 16 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, an aryl group, an aryloxy group, a carbonyl group, a sulfonyl group, a carboxyl group, an alkoxycarbonyl group, a carbamyl group, a sulfone group, a sulfamyl group, a sulfonamide group, an acylamide group, an ureido group or an amino group; and Y' have the same meaning as defined above.
• Amounts of these cyan coupler and yellow coupler to be added are each in the range of 0.05 to 2 moles, preferably 0.1 to I mole per mole of silver halide.
• the addition method of these cyan coupler and yellow coupler to a light-sensitive silver halide photographic material may be employed the aforesaid addition method of the magenta coupler according to the present invention as well.
• total amount of gelatin contained in the silver halide emulsion layer containing the magenta coupler according to the present invention and photographic constituent layers more distant to said layer viewed from reflective support may be 5.0 to 15.0 g/m 2 , and in the range of 5.2 to 10.0 g/m 2 is particularly preferred. If the amount is less than 5.0 g/ M 2 , it causes a tendency of wearing a reddish at from the white ground (non-colored portion) to the high-light portion which would be caused by magneta color foming generated during the early stage of a bleach-fixing process after a color development. On the other hand, it exceed 15.0 g. M 2 , lowering in curling characteristic or development progress as the light-sensitive material would be caused.
• the 5-membered heterocyclic ring represented by Q there may be mentioned, for example, an imidazole ring, a tetrazole ring, a thiazole ring, an oxazole ring, a selenazole ring, a benzoimidazole ring, a naphthoimidazole ring, a bvenzothiazole ring, a naphthothiazole ring, a benzoselenazole ring, a naphthoselenazole ring and a benzoxazole ring; and as the 6-membered heterocyclic ring represented by Q, there may be mentioned a pyridine ring, a pyrimidine ring and a quinoline ring; and these 5-or 6-membered heterocyclic ring may contain those having a substituent or substituents.
• R A represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a halogen atom, a carboxyl group or its salt, a sulfo group or its salt, or an amino group
• Z represents -NH-, -0-or -S-
• M has the same meaning as the M in the formula [S]
• Ar represents R B represents an alkyl group, an alkoxy group, a carboxyl group or its salt, a sulfo group or its salt, a hydroxyl group, an amino -group, an acylamino group, a carbamoyl group or a sulfonamide group
• n is an integer of 0 to 2
• M has the same meaning as the M in the formula [S].
• alkyl group, alkoxy group, aryl group, amino group, acylamino group, carbamoyl group, sulfonamide group etc. may further contain those having a substituent or substituents.
• compound [S] includes the compounds disclosed in, for example, Japanese Patent Publication No. 28496/1965; Japanese Provisional Patent Publication No. 89034/1975; Journal of Chemical Society, Vo. 49, p. 1748 (1927); Ibid., p. 4237 (1952), Journal of Organic Chemistry, Vol. 39, p. 2469 (1965); U.S. Patent No. 2,824,001; Journal of Chemical Society, p. 1723 (1951); Japanese Provisional Patent Publication No. 111846/1981; GB-A-1,275,701; U.S. Patent No. 3,266,897 and No. 2,403,927, etc. and can be synthesized in accordance with the methods as disclosed in the above references.
• the method of existing the compound [S] at the color developing there are a method of adding it to a color developing solution and a method of previously adding it to the light-sensitive silver halide photographic material and dissolving out by a continuous processing to exist therein, and either method can be employed. From the viewpoint of uniformity of concentration during the continuous processing, it is preferred to add to the light-sensitive silver halide photographic material.
• the layer to be added there may be either or both of light-sensitive layers and non-light-sensitive layers.
• the compound [S] may be used singly or may be used combinedly with the other compounds represented by the formula [S], or stabilizers or antifoggants which are others than the compound [S].
• the time of adding the compound [S] it may be an optional period of before formation of silver halide grains, during formation of silver halide grains, during the course between the completion of formation of silver halide grains and before starting of chemical ripening, during the course of chemical ripening, after completion of chemical ripening, and during the course between after the completion of chemical ripening and before coating.
• it is added thereto during chemical ripening, at the completion of chemical ripening, or during the course between after the completion of chemical ripening and before coating.
• the addition may be carried out at one period with whole amount or may be carried out with plural time by dividing it to be added.
• the compound [S] may be added directly to a silver halide emulsion or a coating solution of the silver halide emultion, or may be contained in the silver halide emulsion layer of the present invention by adding it to a coating solution for an adjacent non-light-sensitive hydrophilic colloidal layer to diffuse it during multi-layer coating.
• An amount of the compound [S] to be contained is not particularly limited, but it is generally used, when it is added to the light-sensitive silver halide photographic material, within the range of I x 10-' mole to I x 10- 1 mole, preferably I x 10- 5 mole to I X 10- 2 mole per mole of the silver halide, and when it is added to the color developing solution, within the range of I x 10 -10 mole/I to I x 10- 2 mole/I, preferably I x 10 -9 mole/I to I x 10- 3 mole/I.
• gelatin In the total amount of gelatin, an amount of gelatin derivatives is contained when the gelatin derivatives are contained in photographic constituent layers as a binder.
• the binder for the photographic constituent layers of the light-sensitive silver halide photographic material to be used in the present invention gelatin is usually employed, but in addition thereto, gelatin deriva tives, a graft polymer of gelatin and other polymers, protein, saccharid derivatives, cellulose derivatives, or hydrophilic colloids such as synthetic hydrophilic polymer materials, e.g., homo-or copolymers may be used.
• the light-sensitive silver halide photographic material to be used in the present invention may have a swelling degree at the terminating point of a color development processing is within the range of 220 % to 350 %, preferably within the range of 230 % to 340 %.
• the swelling degree can be defined by the ratio of a film thickness (um) of a light-sensitive silver halide photographic material at the terminating point of the color development processing step and a film thickness (u.m) of the light-sensitive silver halide photographic material before the color development processing step and indicated by the following equation:
• the aforesaid swelling degree is generally determined by a light-sensitive material and color development processing conditions. Any combination of the preparative method of a light-sensitive material and conditions of the color development processing may be employed so long as the swelling degree of the present invention is within the range of 220 % to 350 %.
• Total amount of gelatin contained in the aforesaid light-sensitive material is 5.0 to 30 g/m 2 and an amount of a hardening agent is 5 to 50 mg per gram of the gelatin, and hardening the film can be promoted by heating and humidifying said light-sensitive material.
• the color development processing conditions of said light-sensitive material it can be carried out by, for example, effecting at a pH of 10.0 to 11.0, a temperature of 30 °C to 40 °C for a development time of 30 seconds or more.
• a silver halide emulsion layer and other hydrophilic colloidal layers of the light-sensitive silver halide photographic material to be used in the present invention can be hardened by cross-linking binder molecules (or protective colloids) and singly or combinedly using a hardening agent which heighten film strength. According to this process, improvement of the above swelling degree can be effected.
• the hardening agent may desirably be added thereto with an amount capable of hardening the light-sensitive material and such a degree that the hardening agent does not necessary be added to a processing solution, but the hardening agent can be added in the processing solution.
• kinds of the hardening agent many kinds of them have been known.
• any kinds of hardening agent may be employed, but vinylsulfon type hardening agents and/or chlorotriazine type hardening agent may preferably be used.
• any reflective support having surface reflective characteristics may be used, but preferably a reflective support having surface reflective characteristics of L ⁇ 88, -1.0 ⁇ a ⁇ 1.5 and -5.0 S b ⁇ -2.0, more preferably in the range of L Z 88, -1.0 ⁇ a ⁇ 0.5 and -4.5 S b ⁇ -2.0 may be used.
• the surface reflective characteristics L, a and b, of the reflective support herein mentioned means a value measured by a method prescribed in JIS-Z-8722-82 and indicated by a method prescribed in JIS-Z-8730-80, and L represents brightness. Higher numerical value of L indicates higher brightness. Also, a represents a tinge of red and higher numerical value thereof indicates stronger tinge of red. b represents a tinge of yellow and higher numerical value thereof indicates stronger tinge of yellow.
• a whiteness of the reflective support generally depends on three parameters of L, a and b, but in a reflective support having a low L value which shows brightness characteristics, the whiteness greatly depends on not only a and b values which show the hue but also L value. However, in the reflective support having a large L value, the whiteness is almost decided by the values of a and b and the whiteness becomes to substantially depend on the hue of the reflective support.
• a whiteness of a non-color formed portion of a color development processed light-sensitive silver halide photographic material is influenced by, in addition to the whiteness of the reflective support itself, a fluorescent brightening agent in photographic constituent layers of the light-sensitive silver halide photographic material remaining therein after processing, fog or stain generating at the color development processing, and gelatin, an ultraviolet absorber, a filter dye, etc. which are not decolored by processing, while there exists various kinds as factors.
• a fluorescent brightening agent in photographic constituent layers of the light-sensitive silver halide photographic material remaining therein after processing, fog or stain generating at the color development processing and gelatin, an ultraviolet absorber, a filter dye, etc. which are not decolored by processing, while there exists various kinds as factors.
• the surface reflective characteristics of the reflective support is particularly important.
• the surface reflective characteristics in the present invention is measured by obtaining a surface reflectivity with the use of Hitachi 607 Type Color Analyzer (trade name, produced by Hitachi Co., Ltd., light source: halogen lamp) and carried out a colorimetry calculation under the conditions of 2° visual field and C light source.
• Hitachi 607 Type Color Analyzer trade name, produced by Hitachi Co., Ltd., light source: halogen lamp
• the reflective support to be used in the lightsensitive silver halide photographic material according to the present invention anyone may be used but a paper support coated with a polyolefin resin is preferred.
• the reflective support with respect to the present invention can be obtained by, for example, adding a white pigment and other colorants to a polyolefin resin.
• titanium dioxide is preferred and an anatase type one is particularly preferred.
• colorants such as blue, red, magenta, etc. may preferably be added.
• colorants to be used in the polyolefin resin known inorganic or organic pigments used for photography may be used.
• examples of such colorants may include compounds as described in U.S. patents No. 3,501,298 and No. 3,743,531; Japanese Provisional Patent Publications No. 117/1978 and No. 19021/1978; "Plastic Handbook", revised new edition, pp. 693 to 701 (1969); and "Paint Handbook", edited by Nikkan Kogyo Shinbunsha, pp. I to 84 (1969).
• Such compounds may be mentioned ultramarine, prussian blue, cobalt blue, phthalocyanine blue, manganese blue, cerulean blue, tungsten blue, molybdenum blue, anthraquinone blue, indanthrene blue, ultramarine blue, antimony blue, egyptian blue, manganese violet, mars violet, ultramarine violet, ultramarine red, cobalt red, anthraquinone red, isoindolinone red, ultra marine red, ultramarine pink and the like.
• These colorants may be used singly or in combination of two or more, and particularly preferably a blue pigment and a red pigment are combinedly used.
• An amount of colorants to be used may be 0.0001 to I % by weight, preferably 0.001 to 0.1 % by weight based on the polyolefin resin.
• a fluorescent brightening agent may further be contained.
• known compounds such as stilbene type, imidazole type, carbostyryl type, oxadiazole type, coumarin type, triazole type, carbazole type, imidazolone type, etc., and these may optionally be selected depending on the purposes.
• an amount of the fluorescent brightening agent may preferably be about 0.005 to 10 % by weight, more preferably about 0.02 to 5 % by weight based on the polyolefin resin.
• the silver halide (hereinafter referred to as silver halide emulsion) to be used in the light-sensitive silver halide photographic material used for the present invention may include any of those conventionally used for silver halide emulsions such as silver bromide, silver iodobromide, silver iodochloride, silver chlorobromide, silver chloride, etc.
• a compound known in the photographic field as an antifoggant or a stabilizer may be added during the course of chemical ripening and/or after completion of chemical ripening, but before coating of a silver halide emulsion, for the purpose of preventing fogs and/or keeping stable photographic performances during the course of the preparation of photographic materials, during storage thereof or during the course of photographic processing.
• a plasticizer may be added for the purpose of enhancing the flexibility of the silver halide emulsion layer and/or other hydrophilic colloid layer in the lightsensitive material.
• a dispersion of water-insoluble or hardly soluble synthetic polymer may be contained for the purpose of improving the silver halide photographic emulsion layer or for the purpose of improving the dimensional stability in an aqueous colloid layer.
• a color fog preventive agent may be used.
• the color fog preventive agent may be used in the emulsion layer itself, or an intermediate layer may be provided between contiguous layers to use it in the intermediate layer.
• an image stabilizer may be used in order to prevent deterioration of a dye image.
• an ultraviolet absorbing agent may be contained for the purpose of preventing fog due to discharge which is caused by charging the light-sensitive material due to friction, etc., or preventing deterioration of an image due to UV-ray.
• auxiliary layer such as a filter layer, anfihalation layer and/or an antiirradiation layer.
• a dyestuff may also be contained, which is either flow out of a light-sensitive color material or bleached, during the course of developing processing.
• a matting agent may be added in order to decrease gloss of the light-sensitive material, enhance inscribability on the light-sensitive material, prevent light-sensitive materials from sticking to each other, and so on.
• a lubricant may be added to decrease sliding friction of the light-sensitive silver halide photographic material.
• an antistatic agent may be added thereto.
• the antistatic agent may sometimes be used in an antistatic layer which is on the side of a support which is not provided with emulsion layers, or may be used also in a protective colloid layer other than the emulsion layers or in emulsion layers which are on the side provided with emulsion layers.
• various surface active agents may be used for the purpose of improvement in coating property, prevention of electrostatic discharge, improvement in lubricity, emulsification dispersion, prevention of sticking and improvement in other photographic properties (such as development acceleration, achievement of high contrast, sensitization, etc.).
• Coating solutions for the respective layers were prepared so as to become the constitution shown in Table 1, and coated successively from a support side to prepare mufti-layer light-sensitive silver halide color photographic materials.
• a polyethylene coated paper is prepared as shown below and to make A to F.
• a coated layer was provided on a surface of a fine quality paper (water content of 8.0 % by weight) having a basis weight of 180 g/m 2 with a thickness of 0.040 mm by the extrusion coating method. Also, a back surface of the support was coated with polyethylene containing no titanium dioxide and colorant with a thickness of 0.045 mm. Spectral reflective characteristics of the surface of the resulting polyethylene laminated papers are shown in Table 2.
• a swelling degree can be varied.
• Samples I to 27 were obtained. Further, Sample 28 was obtained in the same manner as in Sample 27 except that the hardening agent used in Sample 27 was changed with equivalent mole of the following H-1.
• compositions of processing solutions :
• a solution mixing I liter of the bleach-fixing solution A and 300 ml of the color developing solution is made as the bleach-fixing solution B.
• the bleach-fixing solution B is a model bleach-fixing solution supposed a continuous processing.
• Sample 29 was prepared.
• Sample 30 was prepared.
• Sample 31 was prepared.
• Sample 32 was prepared.
• Sample 33 was prepared. Further, by changing amount of gelatin at the fourth layer of Sample 17 to 1.0 g/m 2 , at the sixth layer to 0.8 g/m 2 and at the seventh layer to 0.5 g/ M 2 , respectively, Sample 34 was prepared.
• Samples No. 28, No. 35 to No. 39 according to this invention show excellent results, particularly, in Samples No. 35 to No. 38, the whiteness and color reproducibility of the high-light poriton when using the bleach-fixing solution B are improved.
• Samples No. 40 to No. 42 which are out of the present invention the whiteness and color reproducibility of the high-light poriton when using the bleach-fixing solution B are inferior to those of the present invention.

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• 1987
  • 1987-03-06 EP EP19870103258 patent/EP0236986B2/de not_active Expired - Lifetime
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