EP0520412B1 - Matériau photographique à l'halogénure d'argent sensible à la lumière - Google Patents

Matériau photographique à l'halogénure d'argent sensible à la lumière Download PDF

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EP0520412B1
EP0520412B1 EP92110647A EP92110647A EP0520412B1 EP 0520412 B1 EP0520412 B1 EP 0520412B1 EP 92110647 A EP92110647 A EP 92110647A EP 92110647 A EP92110647 A EP 92110647A EP 0520412 B1 EP0520412 B1 EP 0520412B1
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group
silver halide
silver
formula
groups
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EP0520412A1 (fr
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Motoi Konica Corporation Nishimura
Hirokazu Konica Corporation Sato
Katsmasa Konica Corporation Yamazaki
Shigeto Konica Corporation Hirabayashi
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Konica Minolta Inc
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Konica Minolta Inc
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    • 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
    • G03C7/392—Additives
    • G03C7/39208—Organic compounds
    • G03C7/39212—Carbocyclic
    • G03C7/39216—Carbocyclic with OH groups
    • 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
    • G03C7/392—Additives
    • G03C7/39208—Organic compounds
    • G03C7/3924—Heterocyclic

Definitions

  • the present invention relates to a silver halide photographic light-sensitive material, more specifically a silver halide photographic light-sensitive material which is good in image storage stability and excellent in color developability and color reproducibility and which undergoes little change in the photographic performance thereof in continuous processing.
  • EP - A - 0 393 718 a class of compounds is described which improves the production of a yellow image by combining the yellow coupler with an anilide structure in the same silver halide emulsion layer.
  • the stabilising compounds possess a sulfur-containing ring structure.
  • the compound contained in the emulsion according to the present invention which has an ester group and an oxidation potential of not more than 1800 mV, is described below.
  • Oxidation potential is defined to be obtained by cyclic voltammetry. Oxidation potential can be determined by taking a cyclic voltamogram at a sweeping speed of 50 mV/second in acetonitrile solvent at 20°C, using platinum for a working electrode, an indicator electrode and saturated calomel for a reference electrode and tetra-n-butyl-ammonium perchlorate as a supporting electrolyte.
  • a compound represented by the following formula I or II is desirable.
  • R 11 and R 12 independently represent an alkyl group
  • R 13 represents a divalent binding group
  • R 14 represents a hydrogen atom or a substituent.
  • R 21 and R 22 independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms
  • J represents an alkylene group or a simple bond
  • R 23 represents a heterocyclic residue.
  • R 11 and R 12 independently represent an alkyl group.
  • examples of preferable alkyl groups for R 11 and R 12 include linear or branched alkyl groups having 1 to 24 carbon atoms, such as a methyl group, an ethyl group, an isopropyl group, a t-butyl group, an octyl group, a 2-ethylhexyl group, a dodecyl group, a tetradecyl group, an eicosyl group and a benzyl group, with preference given to branched alkyl groups.
  • R 13 represents a divalent binding group.
  • groups for R 13 include an alkylene group and a phenylene group, which groups may have a substituent.
  • the group for R 13 is preferably a linear alkylene group.
  • the number of carbons contained in R 13 preferably ranges from 1 to 10, more preferably from 2 to 6.
  • R 14 represents a hydrogen atom or a substituent.
  • substituents represented by R14 include alkyl groups, cycloalkyl groups, alkenyl groups, aryl groups, alkylamino groups, alkylthio groups, arylthio groups, alkoxycarbonyl groups and acyloxycarbonyl groups.
  • R 14 preferably has at least one branching point in the molecular structure thereof.
  • alkyl groups for R 21 and R 22 in formula II include a methyl group, an ethyl group, a propyl group, a butyl group and an amyl group, which alkyl groups may be branched.
  • alkylene groups for J include alkylene groups having 1 to 20 carbon atoms, such as a methylene group, an ethylene group, a propylene group and a butylene group, which alkylene groups may be branched.
  • heterocyclic residues for R 23 include 5- or 6-membered ring residues containing a heteto atom such as of oxygen, sulfur or nitrogen, e.g., a thienyl group, a furyl group, a pyrrolyl group, a pyrrolidinyl group, a piperidyl group, a piperazinyl group, a morpholino group, a thiacyclohexyl group, a dithiacyclohexyl group, an oxacyclohexyl group and a dioxacyclohexyl group, which heterocyclic residues may have been condensed with another heterocyclic ring or a hydrocarbon ring and may have formed a spiro compound.
  • a heteto atom such as of oxygen, sulfur or nitrogen
  • the oxidation potential of the compound of the present invention is preferably in the range from 800 to 1800 mV, more preferably from 1200 to 1500 mV.
  • the amount of their addition is preferably 5 to 300 mol%, more preferably 10 to 200 mol% relative to the amount of couplers.
  • the cyan coupler for the present invention is represented by the following formula C-I (wherein R C1 represents an alkyl group having 2 to 6 carbon atoms; R C2 represents a ballast group; Z C represents a hydrogen atom or a group capable of splitting off upon coupling with the oxidation product of a developing agent.)
  • the alkyl group represented by R C1 includes those having a substituent.
  • the ballast group represented by R C2 is an organic group having a size and shape which provides the coupler molecule with sufficient bulkiness to make the coupler substantially incapable of diffusing from the layer to which it is applied to another layer.
  • Said ballast group is preferably represented by the following formula: (wherein R C3 represents an alkyl group having 1 to 12 carbon atoms; Ar C represents an aryl group such as a phenyl group, which aryl group includes those having a substituent.)
  • Examples of cyan couplers represented by formula C-I include example compounds PC-1 through PC-19 given in the upper right column, page 30, through upper left column, page 31, Japanese Patent O.P.I. Publication No. 156748/1989, example compounds C-1 through C-28 given in Japanese Patent O.P.I. Publication No. 249151/1987, the cyan couplers described in Japanese Patent Examined Publication No. 11572/1974 and Japanese Patent O.P.I. Publication No. 3142/1986, 9652/1986, 9653/1986, 39045/1986, 50136/1986, 99141/1986 and 105545/1986 and the cyan couplers described below, which are not to be construed as limitative.
  • the cyan couplers can be used in the content range from 1 ⁇ 10 -3 to 1 mol, preferably from 1 ⁇ 10 -2 to 8 ⁇ 10 -1 mol per mol of silver halide.
  • cyan couplers may be used in combination with other kinds of cyan coupler.
  • a yellow coupler represented by formula Y-I is preferred.
  • R 1 represents an alkyl group or a cycloalkyl group
  • R 2 represents an alkyl group, a cycloalkyl group, an aryl group or an acyl group
  • R 3 represents a group capable of substituting a benzene ring
  • n represents 0 or 1
  • X 1 represents a group capable of splitting off upon coupling with the oxidation product of a developing agent
  • Y 1 represents an organic group.
  • Examples of the alkyl group for R 1 in formula Y-I include a methyl group, an ethyl group, an isopropyl group, a t-butyl group and a dodecyl group. These alkyl groups for R 1 may have a substituent. Examples of the substituent include a halogen atom, an aryl group, an alkoxy group, an aryloxy group, an alkylsulfonyl group, an acylamino group and a hydroxyl group.
  • Examples of the cycloalkyl group for R 1 include a cyclopropyl group, a cyclohexyl group and an adamantyl group, with preference given to a branched alkyl group, more specifically a t-butyl group.
  • Examples of the alkyl group or cycloalkyl group for R 2 in formula Y-I include the groups specified for R 1 .
  • Examples of the aryl group for R 2 include a phenyl group. These alkyl groups, cycloalkyl groups and aryl groups for R 2 include those having the same substituent as specified for R 1 .
  • Examples of the acyl group for R 2 include an acetyl group, a propionyl group, a butyryl group, a hexanoyl group and a benzoyl group.
  • the group for R 2 is preferably an alkyl group or an aryl group, more preferably an alkyl group, and still more preferably a lower alkyl group having not more than 5 carbon atoms.
  • Examples of the group capable of substituting a benzene ring, represented by R 3 in formula Y-I, include halogen atoms such as a chlorine atom, alkyl groups such as an ethyl group, an isopropyl group and a t-butyl group, alkoxy groups such as a methoxy group, aryloxy groups such as a phenyloxy group, acyloxy groups such as a methylcarbonyloxy group and a benzoyloxy group, acylamino groups such as an acetamide group and a phenylcarbonylamino group, carbamoyl groups such as an N-methylcarbamoyl group and an N-phenylcarbamoyl group, alkylsulfonylamino groups such as an ethylsulfonylamino group, arylsulfonylamino groups such as a phenylsulfonylmaino group, s
  • Y 1 represents an organic group without limitation, but it is preferably a group represented by the following formula Y-II: Formula Y-II -J-R 4 (wherein J represents -N(R 5 )-CO-, -CON(R 5 )-, -COO-, -N(R 5 )-SO 2 - or -SO 2 -N(R 5 )-; R 4 and R 5 independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.)
  • alkyl groups for R 4 and R 5 include a methyl group, an ethyl group, an isopropyl group, a t-butyl group and a dodecyl group.
  • aryl groups for R 4 and R 5 include a phenyl group and a naphthyl group. These alkyl groups or aryl groups for R 4 and R 5 include those having a substituent.
  • the substituent is not subject to limitation; typical examples thereof include halogen atoms such as a chlorine atom, alkyl groups such as an ethyl group and a t-butyl group, aryl groups such as a phenyl group, a p-methoxyphenyl group and a naphthyl group, alkoxy groups such as an ethoxy group and a benzyloxy group, aryloxy groups such as a phenoxy group, alkylthio groups such as an ethylthio group, arylthio groups such as a phenylthio group, alkylsulfonyl groups such as a ⁇ -hydroxyethylsulfonyl group and arylsulfonyl groups such as a phenylsulfonyl group.
  • halogen atoms such as a chlorine atom
  • alkyl groups such as an ethyl group and a t-butyl
  • Examples also include acylamino groups such as an alkylcarbonylamino group, specifically an acetamide group, and arylcarbonylamino groups, specifically a phenylcarbonylamino group, carbamoyl groups, including those substituted by an alkyl group, an aryl group (preferably a phenyl group) or another substituent, such as an N-methylcarbamoyl group and an N-phenylcarbamoyl group, acyl groups such as an alkylcarbonyl group, specifically an acetyl group and an arylcarbonyl group, specifically a benzoyl group, sulfonamide groups such as an alkylsulfonylamino group and an arylsulfonylamino group, specifically a methylsulfonylamino group and a benzenesulfonamide group, sulfamoyl groups, including those substituted by an alkyl group, an aryl group
  • R' 4 represents an organic group, preferably a linear or branched alkyl group having 1 to 30 carbon atoms, such as a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a t-butyl group, a n-pentyl group, a n-hexyl group, a 2-ethylhexyl group, a n-octyl group, a n-decyl group, a linear or branched dodecyl group, a tridecyl group, a tetradecyl group, a pentadecyl group, a hexadecyl group, a heptadecyl group, an octadecyl group, a nonadecyl group, an eicosyl group,
  • X 1 represents a group splitting off upon coupling reaction with the oxidation product of a developing agent.
  • groups include the group represented by the following formula Y-III or Y-IV, with preference given to the group represented by formula Y-IV.
  • Formula Y-III -OR 6 (wherein R 6 represents an aryl group which may have a substituent or a heterocyclic group.) (wherein Z 1 represents a group of non-metallic atoms necessary to form a 5- or 6-membered ring in cooperation with the nitrogen atom.
  • the yellow coupler represented by formula Y-I may bind at the R 1 , R 3 or Y 1 moiety to form a bis configuration.
  • the yellow couplers represented by formula Y-I relating to the present invention may be used singly or in combination, and may be used in combination with other kinds of yellow couplers.
  • the yellow coupler can be used in the content ratio of about 1 ⁇ 10 -3 to about 1 mol, preferably 1 ⁇ 10 -2 mol to 8 ⁇ 10 -1 mol per mol of silver halide.
  • magenta couplers including 5-pyrazolone couplers, pyrazolobenzimidazole couplers, pyrazolotriazole couplers and chain-opened acylacetonitrile couplers.
  • the compound of the present invention and couplers are used in the same layer, but the compound may be used in a layer adjacent to a coupler-containing layer.
  • the compound of the present invention and couplers and other hydrophobic compounds can be added to the light-sensitive material by various methods, including solid dispersion, latex dispersion and oil-in-water emulsion dispersion.
  • the compound of the present invention, couplers and other substances are dissolved in a high boiling organic solvent having a boiling point of over about 150°C or in a water-insoluble organic-solvent-soluble high molecular compound in the presence of a low boiling and/or water-soluble organic solvent used as necessary, the resulting solution is emulsified and dispersed in a hydrophilic binder such as an aqueous solution of gelatin using a means of dispersion such as a mechanical stirrer, a homogenizer, a colloid mill, a flow jet mixer or an ultrasonicator in the presence of a surfactant, and the resulting emulsion is added to the target hydrophilic colloid layer.
  • Another process may be added wherein the low boiling organic solvent is removed after or simultaneously with disper
  • the high boiling organic solvent preferably has a dielectric constant of less than 6.0.
  • the lower limit of dielectric constant is not subject to limitation, it is preferably not less than 1.9.
  • examples of such high boiling organic solvents include esters such as phthalates and phosphates, organic acid amides, ketones and hydrocarbon compounds, provided that they have a dielectric constant of less than 6.0.
  • high boiling organic solvents having a vapor pressure at 100°C of not more than 0.5 mmHg are preferred.
  • the high boiling organic solvent may be a mixture of two or more kinds.
  • the dielectric constant of the mixture is less than 6.0.
  • dielectric constant is as determined at 30°C.
  • the high boiling organic solvent is a phthalate or phosphate.
  • the phthalate advantageously used for the present invention is represented by the following formula HA: wherein R H1 and R H2 independently represent an alkyl group, an alkenyl group or an aryl group, provided that the total number of carbon atoms in the groups represented by R H1 and R H2 is 9 to 32, more preferably 16 to 24.
  • the alkyl groups for R H1 and R H2 in formula HA may be linear or branched.
  • Examples of aryl groups for R H1 and R H2 include a phenyl group and a naphthyl group;
  • examples of alkenyl groups for R H1 and R H2 include a hexenyl group, a heptenyl group and an octadecenyl group.
  • These alkyl groups, alkenyl groups and aryl groups may have a substituent.
  • the phosphate advantageously used for the present invention is represented by the following formula HB: wherein R H3 , R H4 and R H5 independently represent an alkyl group, an alkenyl group or an aryl group, provided that the total number of carbon atoms in the groups represented by R H3 , R H4 and R H5 is 24 to 54.
  • R H3 , R H4 and R H5 independently represent an alkyl group, an alkenyl group or an aryl group, provided that the total number of carbon atoms in the groups represented by R H3 , R H4 and R H5 is 24 to 54.
  • These alkyl groups, alkenyl groups and aryl groups may have one or more substituents.
  • R H3 , R H4 and R H5 is an alkyl group, specifically a nonyl group, a n-decyl group, a secdecyl group, a sec-dodecyl group and a t-octyl group.
  • Examples of the high boiling organic solvent described above include example organic solvents 1 through 22 given in page 41 of Japanese Patent O.P.I. Publication No. 166331/1987.
  • water-insoluble organic-solvent-soluble polymers used to disperse couplers etc. include the following:
  • the number-average molecular weight of these polymers is not subject to limitation, it is preferably not more than 200000, more preferably 5000 to 100000.
  • the ratio by weight of the polymer to the hydrophobic compounds is preferably 1:20 to 20:1, more preferably 1:10 to 10:1.
  • polymers which are preferably used for the present invention are given below.
  • ratio of monomer is given by weight.
  • the light-sensitive material of the present invention is applicable to color negative films, color positive films, color printing paper, etc., with the effect of the invention enhanced when the light-sensitive material is used for color printing paper undergoing direct viewing.
  • the silver halide for the present invention may be any silver halide, including silver chloride, silver bromide, silver iodide, silver chlorobromide, silver iodobromide and silver chloroiodide.
  • the silver halide grains preferably used for the present invention have a silver chloride content of not less than 90 mol%, a silver bromide content of not more than 10 mol% and a silver iodide content of not more than 0.5 mol%, with more preference given to a silver chlorobromide having a silver bromide content of 0.1 to 2 mol%.
  • Said silver halide grains may be used singly or in combination with other kinds of silver halide grains with different composition, and may also be used in combination with silver halide grains having a silver chloride content of not more than 90 mol%.
  • the silver halide emulsion layers containing silver halide grains having a silver chloride content of not less than 90 mol% the silver halide grains having a silver chloride content of not less than 90 mol% account for not less than 60% by weight, preferably not less than 80% by weight of the total silver halide grain content of said emulsion layers.
  • the composition of the silver halide grains may be uniform from inside to outside, or may be different between inside and outside. In cases where there is a difference between inside and outside, the composition change may be continuous or not.
  • the grain size of silver halide grains is not subject to limitation, it is preferable in view of other photographic performance requirements such as rapid processing and sensitivity that the grain size be in the range from 0.2 to 1.6 ⁇ m, more preferably from 0.25 to 1.2 ⁇ m.
  • the grain size can be determined by various methods in common use in the relevant field. Typical methods are described in "Particle-Size Measurement", ASTM Symposium on Light Microscopy, R.P. Loveland, pp. 94-122 (1955), or Chapter 2 of "The Theory of the Photographic Process", edited by Meath and James, 3rd edition, MacMillan (1966).
  • the grain size can be determined on the basis of either the projected area of the grain or an approximated diameter.
  • the grain size distribution of silver halide grains may be polydispersed or monodispersed.
  • Preferred silver halide grains are monodispersed silver halide grains having a coefficient of variance of silver halide grain distribution of not more than 0.22, more preferably not more than 0.15.
  • ri represents the diameter of each grain
  • ni represents the number of grains.
  • Grain size means the diameter of a grain, provided that the grain is a spherical silver halide grain, or the diameter of the circle with the same area converted from the projected area, provided that the grain is a cubic or otherwise non-spherical grain.
  • the silver halide grains used for the present invention may be prepared by any of the acidic method, the neutral method and the ammoniacal method. These grains may be grown at once or grown after seed grain formation.
  • the method of preparing the seed grains and the method of growing them may be identical or not.
  • any of the normal precipitation method, the reverse precipitation method, the double jet precipitation method and combinations thereof may be used, but the grains obtained by the simultaneous precipitation method are preferred.
  • the pAg controlled double jet method which is described in Japanese Patent O.P.I. Publication No. 48521/1979, can also be used.
  • a silver halide solvent such as thioether may be used.
  • a compound containing a mercapto group, a nitrogen-containing heterocyclic compound or a sensitizing dye compound may be added at the time of silver halide emulsion formation or after completion of said grains.
  • the shape of the silver halide grains for the present invention may be any one.
  • a preferred shape is a cube having ⁇ 100 ⁇ planes to form the crystal surface. It is also possible to use octahedral, tetradecahedral, dodecahedral or other forms of grains prepared by the methods described in US Patent Nos. 4,183,756 and 4,225,666, Japanese Patent O.P.I. Publication No. 26589/1980, Japanese Patent Examined Publication No. 42737/1980 and the Journal of Photographic Science, 21 , 39 (1973). Grains having twin crystal planes may also be used.
  • the silver halide grains for the present invention may be of a single shape or a combination of various shapes.
  • the silver halide grains used for the present invention may be supplemented with metal ions using a cadmium salt, a zinc salt, a lead salt, a thallium salt, an iridium salt or a complex salt thereof, a rhodium salt or a complex salt thereof or an iron salt or a complex salt thereof to contain such metal elements in and/or on the grains during formation and/or growth of silver halide grains.
  • metal ions using a cadmium salt, a zinc salt, a lead salt, a thallium salt, an iridium salt or a complex salt thereof, a rhodium salt or a complex salt thereof or an iron salt or a complex salt thereof to contain such metal elements in and/or on the grains during formation and/or growth of silver halide grains.
  • reduction sensitization specks can be provided in and/or on the grains by bringing the grains in an appropriate reducing atmosphere.
  • the emulsion containing silver halide grains may be treated to remove the undesirable soluble salts after completion of growth of silver halide grains or may retain said soluble salts. Removal of said salts can be achieved in accordance with the method described in Research Disclosure No. 17643.
  • the silver halide grains used in the emulsion for the present invention may be grains wherein latent images are formed mainly on the surface thereof or grains wherein latent images are formed mainly therein, with preference given to grains wherein latent images are formed mainly on the surface thereof.
  • the emulsion is chemically sensitized by a conventional method.
  • sulfur sensitization which uses either a compound containing sulfur capable of reacting with silver ion or active gelatin, selenium sensitization, which uses a selenium compound, reduction sensitization, which uses a reducing substance, noble metal sensitization, which uses gold or another noble metal, and other sensitizing methods can be used singly or in combination.
  • the emulsion can also be optically sensitized in the desired wavelength band using a sensitizing dye.
  • Sensitizing dyes which can be used for the present invention include cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, hemicyanine dyes, styryl dyes and hemioxanol dyes.
  • gelatin as a binder (or protective colloid) for the silver halide photographic light-sensitive material of the present invention
  • gelatin derivatives, graft polymers of gelatin and another polymer and other hydrophilic colloids such as proteins, sugar derivatives, cellulose derivatives and synthetic hydrophilic polymer substances in the form of homo- or copolymer.
  • the silver halide photographic light-sensitive material of the present invention may optionally incorporate other additives such as hardeners, antistaining agents, image stabilizer, UV absorbents, plasticizers, latices, surfactants, matting agents, lubricants and antistatic agents.
  • additives such as hardeners, antistaining agents, image stabilizer, UV absorbents, plasticizers, latices, surfactants, matting agents, lubricants and antistatic agents.
  • the total amount of gelatin coated on the support of the silver halide photographic light-sensitive material of the present invention is preferably less than 7 g/m 2 .
  • the lower limit is not subject to limitation, the total amount is generally preferably not less than 3 g/m 2 from the viewpoint of physical properties or photographic performance.
  • the amount of gelatin is determined as the weight of gelatin containing 11.0% water as determined by the PAGI method.
  • the gelatin contained in the silver halide photographic light-sensitive material of the present invention is hardened with a hardener.
  • a hardener can be used without limitation, including hardeners known in the photographic industry, such as aldehyde hardeners, active vinyl hardeners, active halogen hardeners, epoxy hardeners, ethyleneimine hardeners, methanesulfonate hardeners, carbodiimide hardeners, isoxazole hardeners and high molecular hardeners.
  • the effect of the present invention is enhanced when the silver halide photographic light-sensitive material of the invention is a light-sensitive material undergoing direct viewing, such as color printing paper or a light-sensitive material for color copying, which are open to strict requirements for image storage stability.
  • the light-sensitive material of the present invention permits image formation by a color developing process known in the relevant field.
  • the color developing agent used in the color developer is a primary amine based color developing agent in wide use in various color photographic processes, such as an aminophenol or p-phenylenediamine derivative.
  • known developer component compounds may be added to the color developer used to process the light-sensitive material of the present invention.
  • the pH level of the color developer is normally not less than 9, preferably about 10 to 13.
  • Color developing temperature is normally over 15°C, specifically in the range from 20 to 50°C. For rapid processing, it is preferable to carry out the color developing process at a temperature of over 30°C.
  • developing time is normally 10 seconds to 4 minutes, it is preferable to carry out development in the range from 10 to 30 seconds when rapid processing is desired. When more speed-up is required, it is preferable to carry out development in the range from 10 to 30 seconds.
  • the amount of color developer replenisher is preferably 20 to 150 ml, more preferably 20 to 120 ml, and more preferably 20 to 100 ml per m 2 of light-sensitive material.
  • the effect of the present invention is enhanced when the running processing is carried out using such a low level of replenishment.
  • the light-sensitive material of the present invention is subjected to bleach-fixation after color development.
  • Bleach-fixation is normally followed by washing or stabilization or a combination thereof.
  • Each silver halide emulsion was supplemented with the following emulsion stabilizer STB-1 in an amount of 5 ⁇ 10 -4 mol per mol of silver halide after completion of chemical sensitization.
  • This dispersion was mixed with a blue-sensitive silver chlorobromide emulsion Em-1 (containing 8.71 g of silver) and a gelatin solution for coating to yield a first layer coating solution.
  • the fifth layer coating solution was prepared in the following manner:
  • a cyan coupler (comparative coupler C-1), 0.33 g of an antistaining agent HQ-1, 6.7 g of a high boiling organic solvent DOP and 6.7 g of HBS-1 were dissolved in 60 ml of ethyl acetate. This solution was emulsified and dispersed in 215 ml of a 10% aqueous solution of gelatin containing 10 ml of 10% sodium triisopropylnaphthalenesulfonate SU-1 using a homogenizer to yield a cyan coupler dispersion.
  • sample Nos. 302 through 315 were prepared in the same manner as above except that the cyan coupler C-1 for layer 5 was replaced as shown in Tables 9 and 10 and 0.1 mmol/m 2 of each of the dye image stabilizers shown in Tables 9 and 10 was added to layer 5.
  • the resulting samples were each subjected to red light exposure through an optical wedge using the sensitometer KS-7 (produced by Konica Corporation) and continuously processed using a paper processor in the following procedures until the amount of replenisher became 2 times the capacity of the color developer tank.
  • Light fastness was also evaluated by determining the residual rate of density in a dye image with an initial density of 1.0 after 10 weeks of storage of each processed sample under direct sunlight (exposure table).

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Claims (8)

  1. Matière photographique photosensible à halogénure d'argent comprenant:
    un support sur lequel est fournie une couche d'émulsion à halogénure d'argent contenant un agent de couplage cyan représenté par la formule C-1,
    Figure 00910001
    dans laquelle Rc1 représente un groupe alkyle ayant 2 à 6 atomes de carbone; Rc2 représente un groupe ballast; Zc représente un atome d'hydrogène ou un groupe capable de se séparer après couplage avec le produit d'oxydation d'un agent révélateur, dans laquelle ladite émulsion contient un composé choisi dans le groupe formé par les formules I et II,
    Figure 00910002
    dans laquelle R11 et R12 représentent indépendamment un groupe alkyle; R13 représente un groupe alkylène ou phénylène, qui peut avoir un substituant; R14 représente un atome d'hydrogène ou un groupe alkyle, cycloalkyle, alcényle, aryle, alkylamino, alkylthio, arylthio, alcoxycarbonyle ou acyloxycarbonyle.
    Figure 00920001
    dans laquelle R21 et R22 représentent indépendamment un atome d'hydrogène ou un groupe alkyle ayant 1 à 5 atomes de carbone; J représente un groupe alkylène ou une simple liaison; R23 représente un résidu hétérocyclique, et le composé ayant un potentiel d'oxydation ne dépassant pas 1800 mV.
  2. Matière selon la revendication 1, dans laquelle le composé est représenté par la formule I.
  3. Matière selon la revendication 1, dans laquelle le composé est représenté par la formule II.
  4. Matière selon la revendication 1, dans laquelle la matière photographique photosensible à halogénure d'argent comprend de plus une couche d'émulsion à halogénure d'argent comprenant un agent de couplage jaune.
  5. Matière selon la revendication 4, dans laquelle l'agent de couplage jaune est l'agent de couplage jaune représenté par la formule Y-I,
    Figure 00920002
    dans laquelle R1 représente un groupe alkyle ou un groupe cycloalkyle; R2 représente un groupe alkyle, cycloalkyle, aryle ou acyle; R3 représente un groupe capable d'être un substituant d'un noyau benzénique; n vaut 0 ou 1; X1 représente un groupe capable de se séparer après couplage avec le produit d'oxydation d'un agent révélateur; Y1 représente un groupe organique.
  6. Matière selon la revendication 1, dans laquelle la couche à halogénure d'argent comprend de plus un agent de couplage cyan représenté par la formule C-II,
    Figure 00930001
    dans laquelle RC1 représente un groupe alkyle, un groupe cycloalkyle, aryle ou hétérocyclique; RC3 représente un atome d'hydrogène, un atome d'halogène, un groupe alkyle ou alcoxy; RC1 et RC3 peuvent coopérer pour former un cycle; ZC représente un atome d'hydrogène ou un atome ou un groupe capable de se cliver après couplage avec le produit d'oxydation d'un agent révélateur.
  7. Matière selon les revendications 1 ou 2 à 6, dans laquelle la couche d'émulsion à halogénure d'argent contient un grain d'halogénure d'argent ayant une teneur en chlorure d'argent par rapport à la totalité d'halogénure d'argent pas inférieure à 90% en moles, une teneur en bromure d'argent pas inférieure à 10% en moles et une teneur en iodure d'argent pas inférieure à 0,5% en moles.
  8. Matière selon la revendication 7, dans laquelle la teneur en bromure d'argent est de 0,1 à 2% en moles.
EP92110647A 1991-06-28 1992-06-24 Matériau photographique à l'halogénure d'argent sensible à la lumière Expired - Lifetime EP0520412B1 (fr)

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JP18511491 1991-06-28
JP185114/91 1991-06-28
JP3185114A JP2914790B2 (ja) 1991-06-28 1991-06-28 ハロゲン化銀写真感光材料

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EP0520412B1 true EP0520412B1 (fr) 1999-08-25

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Publication number Priority date Publication date Assignee Title
EP0585679A1 (fr) * 1992-09-01 1994-03-09 Konica Corporation procédé de formation d'une image photographique couleur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540658A (en) * 1982-06-29 1985-09-10 Konishiroku Photo Industry Co. Ltd. Silver halide color photographic products
EP0111448B1 (fr) * 1982-12-08 1988-01-13 Ciba-Geigy Ag Matériel d'enregistrement photographique couleur
JPS60222853A (ja) * 1984-04-20 1985-11-07 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光材料
JPS60250344A (ja) * 1984-05-26 1985-12-11 Fuji Photo Film Co Ltd カラ−写真感光材料
JPH0621949B2 (ja) * 1986-01-23 1994-03-23 富士写真フイルム株式会社 カラ−画像形成法
JPH0814690B2 (ja) * 1987-09-17 1996-02-14 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
EP0309957B1 (fr) * 1987-09-28 1992-05-27 Ciba-Geigy Ag Stabilisateurs pour matériaux de reproduction photographique couleur
JPH087406B2 (ja) * 1987-10-14 1996-01-29 富士写真フイルム株式会社 ハロゲン化銀カラー写真感光材料の処理方法
US5091294A (en) * 1989-04-21 1992-02-25 Konica Corporation Silver halide color photographic material

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JPH0627617A (ja) 1994-02-04
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USH1429H (en) 1995-04-04
DE69229848D1 (de) 1999-09-30

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