EP0295583B1 - Matériau photographique couleur à l'halogénure d'argent - Google Patents

Matériau photographique couleur à l'halogénure d'argent Download PDF

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Publication number
EP0295583B1
EP0295583B1 EP19880109296 EP88109296A EP0295583B1 EP 0295583 B1 EP0295583 B1 EP 0295583B1 EP 19880109296 EP19880109296 EP 19880109296 EP 88109296 A EP88109296 A EP 88109296A EP 0295583 B1 EP0295583 B1 EP 0295583B1
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EP
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Prior art keywords
group
silver halide
color photographic
photographic material
formula
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EP19880109296
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German (de)
English (en)
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EP0295583A2 (fr
EP0295583A3 (en
Inventor
Nobuo Sakai
Fuyuhiko Mori
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Fujifilm Holdings Corp
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Fuji Photo Film Co Ltd
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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
    • G03C7/3924—Heterocyclic
    • G03C7/39244—Heterocyclic the nucleus containing only nitrogen as hetero atoms
    • G03C7/39256—Heterocyclic the nucleus containing only nitrogen as hetero atoms three nitrogen atoms
    • 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
    • G03C7/3003—Materials characterised by the use of combinations of photographic compounds known as such, or by a particular location in the photographic element
    • G03C7/3005—Combinations of couplers and photographic additives

Definitions

  • the present invention relates to a silver halide color photographic material, and more particularly, to a silver halide color photographic material having a sufficiently high color forming property and containing a blue-sensitive emulsion layer having a reduced amount of coating silver, and further to a silver halide color photographic material which is suitable for rapid processing and excellent in processing stability.
  • a light-sensitive layer comprising three kinds of silver halide emulsion layers which have been selectively sensitized so as to have a sensitivity to blue color, green color and red color, respectively is applied in a multilayer construction onto a support.
  • a so-called color printing paper hereinafter referred to as "color paper”
  • a red-sensitive emulsion layer, a green-sensitive emulsion layer, and a blue-sensitive emulsion layer are provided usually in the order stated, from the side from which exposure to light is carried out, and a color mixing-preventing or ultraviolet light-absorptive interlayer or protective layer is provided between the respective light-sensitive layers.
  • three photographic color couplers of yellow, magenta, and cyan are incorporated in light-sensitive layers and, after exposure to light, the resulting light-sensitive material is subjected to color development processing using a so-called color developing agent. Coupling reaction between an oxidation product of an aromatic primary amine and each coupler provides a colored dye. In such a case, it is required to provide a color density as high as possible within a restricted developing time.
  • the blue-sensitive silver halide emulsion layer is provided on the nearest position to the support as described above, developing speed of the layer is slowest. Accordingly, it is most important to improve developing properties of the blue-sensitive silver halide emulsion layer in order to enable rapid processing.
  • technique (3) or (4) when technique (3) or (4) is employed, although the processing time is shortened, processing stability is poor in the rapid processing and a problem of fog occurs. Also, when a low silver bromide emulsion is used in accordance with technique (2), a problem of low processing stability occurs while a rapid processing can be performed. Further, in the case of using fine grain silver halide according to technique (1), the severe disadvantage of decrease in sensitivity is accompanied, in addition to a problem of low processing stability.
  • coupler having a high coupling activity for the purpose of imparting a rapid processing property.
  • fog increases remarkably as the coupling activity of coupler increases.
  • EP-A-0 213 700 discloses a silver halide photographic light-sensitive material comprising a reflective support, a light-sensitive silver halide emulsion layer and at least two non-light-sensitive layers being provided at a further position from the support than the light-sensitive layer.
  • One of the non-light-sensitive layers contains at least three kinds of UV absorbers. Usual silver halide emulsions are used in this material.
  • US-A-4 668 611 discloses a color photographic light-sensitive material comprising a support having thereon a blue-sensitive silver halide emulsion layer containing a yellow coupler, further color-sensitive silver halide emulsion layers and an ultraviolet light-absorbing layer containing an ultraviolet light-absorbent. Usual silver halide emulsions are also employed in this material,
  • None of the mentioned color photographic light-sensitive materials provide sufficient properties of the color images, especially concerning sensitivity, coloring property (D max ), fluctuation of color image density and developing time.
  • an object of the present invention is to provide at a low cost a silver halide color photographic material capable of processing a rapid processing and excellent in processing stability, wherein a blue-sensitive emulsion layer which has been troublesome with respect to rapid processing aptitude has a sufficiently high color forming property and a reduced amount coating silver.
  • the object of the present invention can be achieved by a silver halide color photographic material comprising a reflective support having provided thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a red-sensitive silver halide emulsion layer and plural light-insensitive layers, wherein at least one light-insensitive layer which is positioned farther from the reflective support than the blue-sensitive silver halide emulsion layer is a hydrophilic colloid layer containing at least one hydrophobic compound represented by formula (I): wherein R5, R6, R7, R8 and R9 each represents a hydrogen atom, a halogen atom, a nitro group, a hydroxy group, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an acyloxy group, an aryloxy group, an alkylthio group, an arylthio group, a mono- or di-alkylamino group, an acyla
  • the average particle size of silver halide grains is from 0.2 ⁇ m to 2 ⁇ m, preferably from 0.55 ⁇ m to 1.3 ⁇ m defined as a diameter of a circle having an area equal to the projected area of the grain.
  • the grain size distribution which represents a degree of monodispersibility is not more than 0.2, preferably not more than 0.15 in terms of a coefficient of variation, i.e., a ratio (S/ d ) of a statistical standard deviation (S) to an average particle size ( d ).
  • Grain size and coefficient variation are measured according to a method disclosed in T.N. James The Theory of the Photographic Process , third Edition (1967), New York, The Macmillan Company, chapter 2, pages 36 to 43 (The Size of the Silver Halide Grains), and page 39, respectively.
  • the monodisperse silver halide emulsion used in the present invention is formed of silver bromide and/or silver chlorobromide each containing no silver iodide, and preferably silver chlorobromide containing from 2 mol% to 80 mol%, more preferably from 2 mol% to less than 50 mol% of silver chloride.
  • Silver halide grains which can be used in the present invention bay have a regular crystal structure, for example, a cubic, octahedral, dodecahedral, or tetradecahedral structure; an irregular crystal structure, for example, a spherical structure; or a composite structure thereof.
  • tabular silver halide grains can be used.
  • a silver halide emulsion can be employed wherein tabular silver halide grains having a ratio of diameter/thickness of at least 5 and preferably at least 8 account for at least 50% of the total projected area of the silver halide grains present.
  • mixtures of silver halide grains having different crystal structures may be used.
  • the crystal structure is not particularly restricted, but cubic grains or tetradecahedral grains are preferred.
  • These silver halide emulsions may be those of the surface latent image type in which latent images are formed mainly on the surface thereof and those of the internal latent image type in which latent images are formed mainly in the interior thereof.
  • Photographic emulsions as used in the present invention can be prepared in any suitable manner, for example, by the methods as described in P. Glafkides, Chimie et Physique Photographique , Paul Montel (1967), G.F. Duffin, Photographic Emulsion Chemistry , The Focal Press (1966), and V.L. Zelikman et al., Making and Coating Photographic Emulsion , The Focal Press (1964). That is, any of an acid process, a neutral process, and an ammonia process can be employed.
  • Soluble silver salts and soluble halogen salts can be reacted by techniques such as a single jet process, a double jet process, and a combination thereof.
  • a method a so-called reversal mixing process in which silver halide grains are formed in the presence of an excess of silver ions.
  • a so-called controlled double jet process in which the pAg in a liquid phase where a silver halide is formed is maintained at a predetermined level can be preferably employed. This process gives a silver halide emulsion in which the crystal form is regular and the particle size is nearly uniform.
  • a silver halide emulsion may be employed which is prepared by a so-called conversion method involving a process in which a silver halide previously formed is converted to a silver halide having a lower solubility product before the completion of formation of silver halide grains or in which a silver halide emulsion is subjected to similar halogen conversion after the completion of formation of silver halide grains.
  • cadmium salts zinc salts, lead salts, thallium salts, iridium salts or complex salts thereof, rhodium salts or complex salts thereof, and iron salts or complex salts thereof may be allowed to coexist.
  • the silver halide emulsions are usually subjected to physical ripening, removal of soluble salts, and chemical ripening and then employed for coating.
  • Known silver halide solvents for example, ammonia, potassium thiocyanate, and thioethers or thione compounds as described in U.S. Patent 3,271,157 and Japanese Patent Application (OPI) Nos. 12360/76, 82408/78, 144319/78, 100717/79, and 155828/79
  • OPI Japanese Patent Application
  • a noodle washing process For removal of soluble silver salts from the emulsion after physical ripening, a noodle washing process, a flocculation process, or an ultrafiltration process can be employed.
  • a sulfur sensitization method using active gelatin or compounds containing sulfur capable of reacting with silver or active gelatin for example, thiosulfates, thioureas, mercapto compounds, and rhodanines
  • a reduction sensitization method using reducing substances for example, stannous salts, amines, hydrazine derivatives, formamidinesulfinic acid, and silane compounds
  • a noble metal sensitization method using metal compounds for example, complex salts of Group VIII metals in the Periodic Table, such as Pt, Ir, Pd, Rh, or Fe as well as gold complex salts
  • two or more monodisperse silver halide emulsions which have substantially the same spectral sensitivity but have different grain sizes from each other can be mixed in one emulsion layer or can be coated in the form of superimposed layers (regarding monodispersibility, the coefficient of variation described above is preferred).
  • R1 represents a halogen atom or an alkoxy group
  • R2 represents a hydrogen atom, a halogen atom or an alkoxy group.
  • the alkyl group represented by R3 or R4 may be any of a straight chain and branched chain alkyl group and has preferably from 1 to 32 carbon atoms.
  • the alkoxy group represented by R2 or the alkyl group represented by R3 or R4 may be substituted with one or more groups for example selected from an alkyl group, an aryl group, a heterocyclic group, an alkoxy group (for example, a methoxy group, an ethoxy groups or a 2-methoxyethoxy group), an aryloxy group (for example, a 2,4-di-tert-amylphenoxy group or a 2-chlorophenoxy group), an alkenyloxy group (for example, a 2-propenyloxy group), an acyl group (for example, an acetyl groups or a benzoyl group), an ester group (for example, a butoxycarbonyl group, a phenoxycarbonyl group, an acetoxy group, a benzoyloxy group, a butoxysulfonyl group or a toluenesulfonyloxy group), an amido group (for example, an ace
  • the group which is capable of being released upon a coupling reaction with an oxidation product of a developing agent and is connected to the coupling position through an oxygen atom or a nitrogen atom, represented by Y preferably includes a group represented by formula (III), (IV), (V) or (VI) -OR10 (III) wherein R10 represents an unsubstituted or substituted aryl group or heterocyclic group, wherein R11 and R12 (which may be the same or different) each represents a hydrogen atom, a halogen atom, a carboxylic acid ester group, an amino gorup, an alkyl group, an alkylthio gorup, an alkoxy group, an alkylsulfonyl group, an alkylsulfinyl group, a carboxylic acid group, a sulfonic acid group, an unsubstituted or substituted phenyl group or an unsubstituted or substituted heterocyclic group, wherein W1 represents non-metall
  • R13 and R14 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group or a hydroxyl group
  • R15, R16 and R17 each represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group or an acyl group
  • W2 represents an oxygen atom or a sulfur atom.
  • hydrophobic compounds represented by formula (I ) used in the present invention are described in detail below.
  • R5, R6, R7, R8 and R9 which may be the same or different, each represents a hydrogen atom, a halogen atom (for example, a chlorine atom, a bromine atom, an iodine atom or a fluorine atom), a nitro group, a hydroxy group, an alkyl group (for example, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an aminopropyl group, an n-butyl group, a sec-butyl group, a tert-butyl group, a chlorobutyl group, an n-amyl group, an isoamyl group, a hexyl group, an octyl group, a nonyl group, a methoxycarbonylethyl group, a dodecyl group, a pentadecyl group, a cyclohex
  • the total carbon atoms included in the substituents represented by R5 to R9 is preferably from 5 to 36 and the alkyl group preferably contains from 1 to 18 carbon atoms.
  • R5 and R6 each has the same meaning as defined for formula (I ); and R8 represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or an aryloxy group, each haing the same meaning as defined for formula (I ).
  • a non-volatile organic solvent which can be used for dispersing the hydrophobic compound represented by formula ( I) in the present invention may be any organic solvent having a high boiling point of 175°C or more as far as it is so selected that a relative refractive index of an organic phase containing the hydrophobic compound represented by ( I) with the exception of a volatile organic solvent and an amphipathic solute to a hydrophilic polymer thin film which forms the light-insensitive layer is in a range from 0.9875 to 1.0125.
  • these non-volatile organic solvents those having a refractive index of less than 1.46 are preferred.
  • non-volatile organic solvents used in the present invention are set forth below.
  • the amount of the yellow coupler represented by formula (II) used in the present invention is not particularly restricted, but it is preferably from 0.3 g/m2 to 1.5 g/m2 and from 0.01 mol to 0.5 mols per mol of blue-sensitive silver halide, and more preferably from 0.5 g/m2 to 1.1 g/m2 and from 0.025 mols to 0.45 mols per mol of blue-sensitive silver halide, respectively.
  • the amount of the hydrophobic compound represented by the general formula ( I) used is usually from 0.3 g/m2 to 1.2 g/m2, preferably from 0.45 g/m2 to 1.0 g/m2, since the amount thereof is too large, yellow coloration may occur in unexposed areas (white background areas) of color photographic materials containing it.
  • the amount of the non-volatile organic solvent having a refractive index of less than 1.46 which is used for dispersing the hydrophobic compound represented by the general formula (I ) according to the present invention is also not particularly restricted, but it is usually from 0.1 ml/m2 to 0.8 ml/m2, preferably from 0.2 ml/m2 to 0.5 ml/m2.
  • Each of blue-sensitive, green-sensitive, and red-sensitive emulsions used in the present invention can be spectrally sensitized with methine dyes or other dyes so as to have each color sensitivity.
  • Suitable dyes which can be employed include cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, hemicyanine dyes, styryl dyes, and hemioxonol dyes. Of these dyes, cyanine dyes, merocyanine dyes, and complex merocyanine dyes are particularly useful.
  • nuclei for cyanine dyes are applicable to these dyes as basic heterocyclic nuclei. That is, a pyrroline nucleus, an oxazoline nucleus, a thiazoline nucleus, a pyrrole nucleus, an oxazole nucleus, a thiazole nucleus, a selenazole nucleus, an imidazole nucleus, a tetrazole nucleus, and a pyridine nucleus, and further, nuclei formed by condensing alicyclic hydrocarbon rings with these nuclei and nuclei formed by condensing aromatic hydrocarbon rings with these nuclei, that is, for example an indolenine nucleus, a benzindolenine nucleus, an indole nucleus, a benzoxazole nucleus, a naphthoxazole nucleus, a benzothiazole nucleus, a naph
  • the merocyanine dyes and the complex merocyanine dyes that can be employed contain 5- or 6-membered heterocyclic nuclei such as a pyrazolin-5-one nucleus, a thiohydantoin nucleus, a 2-thioxazolidin-2,4-dione nucleus, a thiazolidon-2,4-dione nucleus, a rhodanine nucleus, and a thiobarbituric acid nucleus as nuclei having a ketomethylene structure.
  • 5- or 6-membered heterocyclic nuclei such as a pyrazolin-5-one nucleus, a thiohydantoin nucleus, a 2-thioxazolidin-2,4-dione nucleus, a thiazolidon-2,4-dione nucleus, a rhodanine nucleus, and a thiobarbituric acid nucleus as nuclei having
  • sensitizing dyes can be employed individually, but can also be employed in combination.
  • a combination of sensitizing dyes is often used particularly for the purpose of supersensitization.
  • Typical examples of supersensitising combinations are described in U.S. Patents 2,688,545, 2,977,229, 3,397,060, 3,522,052, 3,527,641, 3,617,293, 3,628,964, 3,666,480, 3,672,898, 3,679,428, 3,703,377, 3,769,301, 3,814,609, 3,837,862, and 4,026,707, British Patents 1,344,281 and 1,507,803, Japanese Patent Publication Nos. 4936/68 and 12375/78, and Japanese Patent Application (OPI) Nos. 110618/77 and 109925/77.
  • the sensitizing dyes may be present in the emulsion together with dyes which themselves do not give rise to spectrally sensitizing effects but exhibit a supersensitizing effect or materials which do not substantially absorb visible light but exhibit a supersensitizing effect.
  • color couplers which are incorporated into photographic light-sensitive materials are diffusion resistant by means of containing a ballast group or polymerizing. It is also preferred that the coupling active sites of couplers be substituted with a group capable of being released (2-equivalent couplers) rather than with a hydrogen atom (4-equivalent couplers) from the standpoint that the coating amount of silver is reduced. Further, couplers which form dyes having an appropriate diffusibility, non-color-forming couplers, or couplers capable of releasing development inhibitors (DIR couplers) accompanying the coupling reaction or couplers capable of releasing development accelerators accompanying the coupling reaction can be employed.
  • DIR couplers development inhibitors
  • magenta couplers used in the present invention oil protected indazolone type couplers and cyanoacetyl type couplers, preferably 5-pyrazolone type couplers and pyrazoloazole type couplers such as pyrazolotriazoles, are exemplified.
  • 5-pyrazolone type couplers those substituted with an arylamino group or an acylamino group at the 3-position thereof are preferred in view of hue and color density of the dyes formed. Typical examples thereof are described in U.S. Patents 2,311,082, 2,343,703, 2,600,788, 2,908,573, 3,062,653, 3,152,896, and 3,936,015.
  • 5-pyrazolone type couplers containing nitrogen atom-releasing groups as described in U.S. Patent 4,310,619 and arylthio groups as described in U.S. Patent 4,351,897, as releasing groups are preferred. Further, 5-pyrazolone type couplers having a ballast group as described in European Patent 73,636 are advantageous because they provide high color density.
  • pyrazoloazole type couplers examples include pyrazolobenzimidazoles as described in U.S. Patent 3,369,879, and preferably pyrazolo[5,1-c][1,2,4]triazoles as described in U.S. Patent 3,725,067, pyrazolotetrazoles as described in Research Disclosure , RD No. 24220 (June, 1084), and pyrazolopyrazoles as described in Research Disclosure , RD No. 24230 (June, 1984).
  • Imidazo[1,2-b]pyrazoles as described in European Patent 119,741 are preferred, and pyrazolo[1,5-b][1,2,4]triazoles as described in European Patent 119,860 are particularly preferred in view of less yellow subsidiary absorption and light fastness of the dyes formed.
  • oil protected naphthol type and phenol type couplers are exemplified.
  • Typical examples thereof include naphthol type couplers as described in U.S. Patent 2,474,293 and preferably oxygen atom-releasing type 2-equivalent naphthol type couplers as described in U.S. Patents 4,052,212, 4,146,396, 4,228,233, and 4,296,200.
  • Specific examples of phenol type couplers are described in U.S. Patents 2,369,929, 2,801,171, 2,772,162, and 2,895,826.
  • Cyan couplers fast to humidity and temperature are preferably used in the present invention.
  • Typical examples thereof include phenol type cyan couplers having an alkyl group larger than a methyl group at the meta-position of the phenol nucleus as described in U.S. Patent 3,772,002; 2,5-diacylamino-substituted phenol type couplers as described in U.S. Patents 2,772,162, 3,758,308, 4,126,396, 4,334,011, and 4,327,173, West German Patent Application (OLS) No. 3,329,729, and Japanese Patent Application No.
  • couplers capable of forming appropriately diffusible dyes can be used together in order to improve graininess.
  • Specific examples of such dye diffusible types of magenta couplers are described in U.S. Patent 4,366,237 and British Patent 2,125,570, and those of yellow, magenta, and cyan couplers are described in European Patent 96,570 and DE-A-3,234,533.
  • dye-forming couplers and special couplers described above may be used in the form of polymers including dimers or more.
  • Typical examples of dye-forming polymer couplers are described in U.S. Patents 3,451,820 and 4,080,211.
  • Specific examples of magenta polymer couplers are described in British Patent 2,102,173 and U.S. Patent 4,367,282.
  • Two or more kinds of various couplers which can be used in the present invention can be incorporated together into the same layer for the purpose of satisfying the properties required of the color photographic light-sensitive materials, or the same compound can be incorporated into two or more different layers.
  • Couplers which can be used in the present invention may be introduced into the color photographic light-sensitive material using an oil-in-water droplet type dispersing method.
  • an oil-in-water droplet type dispersing method couplers are dissolved in either an organic solvent having a high boiling point of 175°C or more, a so-called auxiliary solvent having a low boiling point, or a mixture thereof, and then, the solution is finely dispersed in an aqueous medium such as water or an aqueous gelatin solution in the presence of a surface active agent.
  • an organic solvent having a high boiling point are described, for example, in U.S. Patent 2,322,027.
  • Preparation of a dispersion may be accompanied by phase inversion.
  • dispersions can be utilized for coating after removing or reducing the auxiliary solvent therein by distillation, noodle washing, or ultrafiltration, if desired.
  • organic solvent having a high boiling point examples include phthalic acid esters (for example, dibutyl phthalate, dicyclohexyl phthalate, di-2-ethylhexyl phthalate, and didecyl phthalate), phosphoric or phosphonic acid esters (for example, triphenyl phosphate, tricresyl phosphate, 2-ethylhexyldiphenyl phosphate, tricyclohexyl phosphate, tri-2-ethylhexyl phosphate, tridecyl phosphate, tributoxyethyl phosphate, trichloropropyl phosphate, and di-2-ethylhexylphenyl phosphonate), benzoic acid esters (for example, 2-ethylhexyl benzoate, dodecyl benzoate, and 2-ethylhexyl-p-hydroxybenzoate), amides (for example, diethyl
  • auxiliary solvent organic solvents having a boiling point of about 30°C or more, preferably from about 50°C to about 160°C, can be used.
  • auxiliary solvents include ethyl acetate, butyl acetate, ethyl propionate, methyl ethyl ketone, cyclohexanone, 2-ethoxyethyl acetate, and dimethylformamide.
  • the color couplers are generally employed in an amount of from 0.001 mol to 1 mol per mol of the light-sensitive silver halide contained in a layer to be added. It is preferred that amounts of yellow couplers, magenta couplers, and cyan couplers used are in ranges of from 0.01 mol to 0.5 mol, from 0.003 mol to 0.3 mol, and from 0.002 mol to 0.3 mol, respectively, per mol of the light-sensitive silver halide.
  • the color photographic light-sensitive material used in the present invention may contain hydroquinone derivatives, aminophenol derivatives, amines, gallic acid derivatives, catechol derivatives, ascorbic acid derivatives, non-color-forming couplers, and sulfonamidophenol derivatives, as color fog preventing agents or color mixing preventing agents.
  • organic color fading preventing agents include hindered phenols, for example, hydroquinones, 6-hydroxychromans, 5-hydroxycoumarans, spirochromans, p-alkoxyphenols, and bisphenols; gallic acid derivatives, methylenedioxybenzenes, aminophenols, hindered amines, or ether or ester derivatives thereof derived from each of these compounds by silylation or alkylation of the phenolic hydroxyl group thereof.
  • metal complexes represented by (bis-salicylaldoxymate) nickel complexes and (bis-N,N-dialkyldithiocarbamate) nickel complexes may be employed.
  • a benzotriazole type ultraviolet light absorbing agent In order to improve preservability, particularly light fastness of cyan dye images, it is preferred to employ together a benzotriazole type ultraviolet light absorbing agent.
  • Such an ultraviolet light absorbing agent may be emulsified together with a cyan coupler.
  • a coating amount of the ultraviolet light absorbing agent represented by formula ( I) is selected so as to sufficiently improve the light stability of cyan dye images.
  • the amount of the ultraviolet light absorbing agent employed is too large, yellow coloration may occur in unexposed areas (white background areas) of color photographic materials containing them. Therefore, usually the amount is preferably determined in a range of from 1x10 ⁇ 4 mol/m2 to 5x10 ⁇ 3 mol/m2 and particularly preferably from 8x10 ⁇ 4 mol/m2 to 3.5x10 ⁇ 3 mol/m2.
  • the ultraviolet light absorbing agent is incorporated into one of two layers adjacent to a red-sensitive emulsion layer containing a cyan coupler and preferably both thereof.
  • the ultraviolet light absorbing agent When the ultraviolet light absorbing agent is incorporated into an interlayer positioned between a green-sensitive emulsion layer and a red-sensitive emulsion layer, it may be emulsified together with a color mixing preventing agent.
  • another protective layer In the case of adding the ultraviolet light absorbing agent to a protective layer, another protective layer may be separately provided thereon as an outermost layer. Into the outermost protective layer, a matting agent having an appropriate particle size can be incorporated.
  • the color photographic light-sensitive material used in the present invention may contain an ultraviolet light absorbing agent in a hydrophilic colloid layer thereof.
  • the color photographic light-sensitive material used in the present invention may contain water-soluble dyes as filter dyes or for irradiation or halation prevention or other various purposes in a hydrophilic colloid layer thereof.
  • the color photographic light-sensitive material used in the present invention may contain in the photographic emulsion layers or other hydrophilic colloid layers a brightening agent of the stilbene series, triazine series, oxazole series, or coumarin series.
  • a brightening agent of the stilbene series, triazine series, oxazole series, or coumarin series can be employed.
  • water-insoluble brightening agents may be used in the form of a dispersion.
  • the present invention can be applied to a multilayer multicolor photographic light-sensitive material having at least two differently spectrally sensitized silver halide photographic emulsion layers on a support.
  • the multilayer natural color photographic light-sensitive material usually has at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one blue-sensitive silver halide emulsion layer on a support.
  • the order of the disposition of these emulsion layers can be suitably selected depending in demands.
  • each of the above-described emulsion layers may be composed of two or more emulsion layers having different sensitivities. Moreover, between two or more emulsion layers sensitive to the same spectral wavelength range, a light-insensitive layer may be present.
  • a protective layer such as a protective layer, an interlayer, a filter layer, an antihalation layer, and a back layer appropriately, in addition to the silver halide emulsion layers.
  • gelatin is advantageously used, but other hydrophilic colloids can also be used.
  • proteins such as gelatin derivatives, graft polymers of gelatin and other polymers, albumin, and casein; saccharide derivatives such as cellulose derivatives (e.g., hydroxyethyl cellulose, carboxymethyl cellulose, and cellulose sulfate), sodium alginate, and starch derivatives; and various synthetic hydrophilic high molecular weight substances such as homopolymers or copolymers (e.g., polyvinyl alcohol, polyvinyl alcohol semiacetal, poly-N-vinylpyrrolidone, polyacrylic acid, polymethacrylic acid, polyacrylamide, polyvinylimidazole, and polyvinylpyrazole).
  • proteins such as gelatin derivatives, graft polymers of gelatin and other polymers, albumin, and casein
  • saccharide derivatives such as cellulose derivatives (e.g., hydroxyethyl cellulose, carboxymethyl cellulose, and cellulose sulfate), sodium alginate, and starch derivatives
  • gelatin not only lime-processed gelatin but also acid-processed gelatin and enzyme-processed gelatin as described in Bull. Soc. Sci. Phot. Japan , No. 16, page 30 (1966) may be used. Further, hydrolyzed products of gelatin or enzymatically decomposed products of gelatin can also be used.
  • the color photographic light-sensitive material according to the present invention can be incorporated various kinds of stabilizers, contamination preventing agents, developing agents or precursors thereof, development accelerating agents or precursors thereof, lubricants, mordants, matting agent, antistatic agents, plasticizers, or other additives useful for photographic light-sensitive materials in addition to the above-described additives.
  • stabilizers contamination preventing agents, developing agents or precursors thereof, development accelerating agents or precursors thereof, lubricants, mordants, matting agent, antistatic agents, plasticizers, or other additives useful for photographic light-sensitive materials in addition to the above-described additives.
  • Typical examples of these additives are described in Research Disclosure , RD No. 17643 (December, 1978) and ibid. , RD No. 18716 (November, 1979).
  • the term "reflective support" which can be employed in the present invention means a support having an increased reflection property for the purpose of rendering dye images formed in the silver halide emulsion layer clear.
  • the reflective support include a support having coated thereon a hydrophobic resin containing a light reflective substance such as titanium oxide, zinc oxide, calcium carbonate, or calcium sulfate dispersed therein and a support composed of a hydrophobic resin containing a light reflective substance dispersed therein.
  • they include baryta coated paper, polyethylene coated paper, polypropylene type synthetic paper, transparent supports having a reflective layer or having incorporated therein a reflective substance, for example, a glass plate, a polyester film (such as a polyethylene terephthalate film), a cellulose triacetate film, and a cellulose nitrate film, a polyamide film, a polycarbonate film, and a polystyrene film.
  • transparent supports having a reflective layer or having incorporated therein a reflective substance for example, a glass plate, a polyester film (such as a polyethylene terephthalate film), a cellulose triacetate film, and a cellulose nitrate film, a polyamide film, a polycarbonate film, and a polystyrene film.
  • a suitable support can be appropriately selected depending on the purpose of use.
  • a color developing solution which can be used in development processing according to the present invention is an alkaline aqueous solution containing preferably an aromatic primary amine type color developing agent as a main component.
  • an aromatic primary amine type color developing agent preferably an aromatic primary amine type color developing agent.
  • a p-phenylenediamine type compound is preferably employed.
  • Typical examples of the p-phenylenediamine type compounds include 3-methyl-4-amino-N,N-diethylaniline, 3-methyl-4-amino-N-ethyl-N- ⁇ -hydroxyethylaniline, 3-methyl-4-amino-N-ethyl-N- ⁇ -methanesulfonamidoethylaniline, 3-methyl-4-amino-N-ethyl-N- ⁇ -methoxyethylaniline, or a sulfate, a hydrochloride, a phosphate, a p-toluenesulfonate, a tetraphenylborate or a p-(tert-octyl)benzenesulfonate thereof.
  • Aminophenol type derivatives which can be used include, for example, o-aminophenol, p-aminophenol, 4-amino-2-methylphenol, 2-amino-3-methylphenol and 2-oxy-3-amino-1,4-dimethylbenzene.
  • Two or more kinds of color developing agents may be employed in a combination thereof, if desired.
  • the processing temperature of color developing solution used in the present invention is preferably from 30°C to 50°C, and more preferably from 35°C to 45°C.
  • the color developing solution used in the present invention may contain, as an appropriate development accelerator, various compounds including benzyl alcohol.
  • development accelerators include the various pyrimidium compounds and other cationic compounds as described, for example, in U.S. Patent 2,648,604, Japanese Patent Publication No. 9503/69, and U.S. Patent 3,171,247; cationic dyes such as phenosafranine; neutral salts such as thallium nitrate or potassium nitrate; polyethylene glycol and the derivatives thereof as described in Japanese Patent Publication No. 9304/69, U.S.
  • OPI Japanese Patent Application
  • alkali metal halides such as potassium bromide, sodium bromide or potassium iodide, and organic antifoggants are preferred.
  • organic antifoggants include nitrogen-containing heterocyclic compounds such as benzotriazole, 6-nitrobenzimidazole, 5-nitroisoindazole, 5-methylbenzotriazole, 5-nitrobenzotriazole, 5-chlorobenzotriazole, 2-thiazolylbenzimidazole; 2-thiazolylmethylbenzimidazole and hydroxyazaindolizine, mercapto-substituted heterocyclic compounds such as 1-phenyl-5-mercaptotetrazole, 2-mercaptobenzimidazole and 2-mercaptobenzothiazole; and mercapto-substituted aromatic compounds such as thiosalicyclic acid.
  • halides are particularly preferred.
  • the color developing solution used in the present invention can, for example further contain pH buffering agents, such as carbonates, borates, or phosphates of alkali metals; preservatives such as hydroxylamine, triethanolamine, the compounds as described in DE-A-2,622,950, sulfites and bisulfites; organic solvents such as diethylene glycol; dye forming couplers; competing couplers; nucleating agents such as sodium borohydride; auxiliary developing agents such as 1-phenyl-3-pyrazolidone; viscosity imparting agents; and chelating agents including aminopolycarboxylic acids as represented by ethylenediaminetetraacetic acid, nitrilotriacetic acid, cyclohexanediaminetetraacetic acid, iminodiacetic acid, N-hydroxymethylethylenediaminetriacetic acid, diethylenetriaminepentaacetic acid, triethylenetetraminehexaacetic acid and the compounds as described in Japanese Patent Application (OPI) No.
  • organic phosphonic acids such as 1-hydroxyethylidene-1,1'-diphosphonic acid and those as described in Research Disclosure , RD No. 18170 (May, 1979); aminophosphonic acids such as aminotris-(methylenephosphonic acid) and ethylenediamine-N,N,N',N'-tetramethylene enephosphonic acid; and phosphonocarboxylic acids as described in Japanese Patent Application (OPI) Nos. 102726/77, 42730/78, 121127/79, 4024/80, 4025/80, 126241/80, 65955/80 and 65956/80, Research Disclosure , No. 18170 (May, 1979).
  • OPI Japanese Patent Application
  • the color development bath can be divided into two or more baths, if desired, and a replenisher for color developing solution may be supplied from the first bath or the last bath in order to shorten the developing time or reduce the amount of replenisher required.
  • the silver halide color photographic material is usually subjected to a bleach processing.
  • the bleach processing may be performed simultaneously with a fix processing (bleach-fixing), or they may be performed independently.
  • Bleaching agents which can be used include compounds of polyvalent metals, for example, iron (III), cobalt (III), chromium (VI), and copper (II), peracids, quinones and nitroso compounds.
  • ferricyanides for example, ferricyanides; dichromates; organic complex salts of iron (III) or cobalt (III), for example, complex salts of aminopolycarboxylic acids (e.g., ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid or 1,3-diamino-2-propanoltetraacetic acid) or organic acids (e.g., citric acid, tartaric acid or malic acid); persulfates; permanganates; and nitrosophenol can be used.
  • aminopolycarboxylic acids e.g., ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, nitril
  • potassium ferricyanide sodium iron (III) ethylenediaminetetraacetate, ammonium iron (III) ethylenediaminetetracetate, ammonium iron (III) triethylenetetraminepentaacetate, and a persulfate are particularly preferred.
  • ethylenediaminetetraacetic acid iron (III) complex salts are useful in both an independent bleaching solution and a mono-bath bleach-fixing solution.
  • various kinds of accelerators may be employed together, if desired.
  • accelerators include bromine ions, iodine ions, thiourea type compounds as for example described in U.S. Patent 3,706,561, Japanese Patent Publication Nos. 8506/70 and 26586/74, Japanese Patent Application (OPI) Nos. 32735/78, 36233/78 and 37016/78; thiol type compounds as for example described in Japanese Patent Application (OPI) Nos. 124424/78, 95631/78, 57831/78, 32736/78, 65732/78 and 52534/79, U.S.
  • Patent 3,893,858 heterocyclic compounds as for example described in Japanese Patent Application (OPI) Nos. 59644/74, 140129/75, 28426/78, 141623/78, 104232/78 and 35727/79; thioether type compounds as for example described in Japanese Patent Application (OPI) Nos. 20832/77, 25064/80 and 26506/80; quaternary amines as described for example in Japanese Patent Application (OPI) No. 84440/73; and thiocarbamoyls as for example described in Japanese Patent Application (OPI) No. 42349/74.
  • fixing agents which can be used in a bleach-fixing solution or a fixing solution
  • thiosulfates, thiocyanates, thioether type compounds, thioureas or a large amount of iodides are suitable.
  • Thiosulfates can be generally employed.
  • sulfites, bisulfites or carbonylbisulfite adducts are preferably employed as preservatives.
  • water washing processing is usually carried out.
  • various known compounds may be employed for the purpose of preventing precipitation or saving water, etc.
  • a water softener such as an inorganic phosphoric acid, an aminopolycarboxylic acid or an organic phosphoric acids for preventing the formation of precipitates
  • a sterilizer or antimold for preventing the propagation of various bacteria, algae and molds
  • a hardening agent such as a magnesium salt or an aluminum salt
  • a surface active agent for reducing drying load or preventing drying marks may be added, if desired.
  • compounds as described in L.E. West, Photo. Sci. and Eng. , Vol. 9, No. 6 (1965) may be added. Particularly, the addition of chelating agents and antimolds is effective.
  • the water washing step may be carried out using a multi-stage countercurrent water washing processing (for example, with two to five tanks) in order to save water.
  • a multi-stage countercurrent water washing processing for example, with two to five tanks
  • the increase in the residence time of the water in tanks causes propagation of bacteria and other problems, for example, adhesion of floatage formed on the photographic materials occur.
  • a method for reducing amounts of calcium and magnesium as described in Japanese Patent Application (OPI) No. 288838/87 can be particularly effectively employed in the processing of the color photographic light-sensitive material of the present invention.
  • a multi-stage countercurrent stabilizing processing step as described in Japanese Patent Application (OPI) No. 8543/82 may be conducted.
  • two to nine tanks of countercurrent bath is required.
  • various kinds of compounds are added for the purpose of stabilizing images formed.
  • Representative examples of the additives include buffers (for example, borates, metaborates, borax, phosphates, carbonates, potassium hydroxide, sodium hydroxide, aqueous ammonia, monocarboxylic acids, dicarboxylic acids or polycarboxylic acids being used in combination) for the purpose of adjusting the pH of layers; and formalin.
  • water softeners for example, inorganic phosphoric acids, aminopolycarboxylic acids, organic phosphoric acids, aminopolyphosphonic acids or phosphonocarboxylic acids
  • sterilizers for example, proxel, isothiazolones, 4-thiazolylbenzimidazoles, halogenated phenols or benzotriazoles
  • surface active agents for example, fluorescent whitening agents or hardening agents
  • ammonium salts such as ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium phosphate, ammonium sulfite or ammonium thiosulfate, as a pH adjusting agent for the layers after processing.
  • silver halide color photographic material which can be subjected to rapid processing and which is excellent in processing stability can be provided at a low cost.
  • the coating solution were prepared in the following manner.
  • a silver chlorobromide emulsion having a bromide content of 80.0 mol% and containing 70 g of silver per kg of the emulsion
  • a blue-sensitive sensitizing dye shown below per mol of silver was added to prepare a blue-sensitive emulsion.
  • the above described emulsified dispersion was mixed with the blue-sensitive silver chlorobromide emulsion, with the concentration of the resulting mixture being controlled, to form the composition shown below, i.e., the coating solution for the first layer.
  • Coating solutions for the second layer to the seventh layer were prepared in a similar manner as described for the coating solution for the first layer.
  • 1-Oxy-3,5-dichloro-s-triazine sodium salt was used as a gelatin hardener in each layer.
  • the following dyes were added to the emulsion layers.
  • composition of each layer is shown below.
  • the numerical value denote the coating amounts of components in the unit of g/m2.
  • the coating amount of silver halide emulsion is indicated in terms of silver coating amount.
  • Silver halide emulsion (1) used in the blue-sensitive emulsion layer according to the present invention was prepared in the following manner.
  • Solution 1 was heated at 75°C, Solution 2 and Solution 3 were added thereto and then Solution 4 and Solution 5 were added simultaneously over a period of 9 minutes thereto. After 10 min , Solution 6 and Solution 7 were added simultaneously over a period of 45 min . After 5 min , the temperature was dropped and the mixture was de-salted. Water and gelatin for dispersion were added thereto and pH was adjusted to 6.2 whereby a monodispersed cubic silver chlorobromide emulsion (having an average grain size of 1.01 ⁇ m, a coefficient of variation [a value obtained by dividing the standard deviation by an average grain size: s/ d ] 0.08 and a silver bromide content of 80 mol%) was obtained. The emulsion was subjected to optimum chemical sensitization using sodium thiosulfate.
  • Silver halide emulsion (2) used in the blue-sensitive emulsion layer according to the present invention was prepared in the same manner as described above, except changing the amounts of chemicals, temperature, and time.
  • Silver halide emulsion (3) used in the blue-sensitive emulsion layer for comparison was prepared in the following manner.
  • Solution 9 Sulfuric Acid (1N) 10 ml Solution 10 KBr 78.4 g K2IrCl6(0.001%) 0.7 ml H2O to make 800 ml
  • Solution 8 was heated at 75°C, Solution 9 was added thereto. Then, Solution 10 was added over a period of 40 min thereto, and 1 min after the beginning of the addition of Solution 10 Solution 11 was added thereto over a period of 40 min .
  • Samples No. 1 to No. 11 were wedgewise exposed for sensitometry through a three-color separation filter using a sensitometer (FWH type, manufactured by Fuji Photo Film Co., Ltd.) equipped with a light source of color temperature 3200°K. The amount of exposure was 250 CMS for an exposure time of 0.1 s . Then, the samples were subjected to development processing according to Processing Step (A) shown below. Further, another processing wherein the developing time was shortened from the standard processing time of 3 min and 30 s to 2 min and 30 s was conducted. From the sensitivities and maximum color densities (D max ) thus-obtained, a rapid processing ability was evaluated. The sensitivity was shown using a relative value to the sensitivity of Sample No. 1 processed at the developing time of 3 min and 30 s
  • Processing Step (B) wherein the amount of potassium bromide in the color developing solution used in Processing Step (A) was changed to 1.2 g/l was performed, and changes in densities due to Processing Step (B) at the points providing densitites of 0.5 and 1.5 with Processing Step (A) respectivily were determined.
  • composition of each processing solution used was as follows. Color Developing Solution: Water 800 ml Diethylenetriaminepentaacetic acid 1.0 g Nitrilotriacetic acid 1.5 g Benzyl alcohol 15 ml Diethylene glycol 10 ml Sodium sulfite 2.0 g Potassium bromide 0.5 g Potassium carbonate 30 g N-Ethyl-N-( ⁇ -methanesulfonamidoethyl)-3-methyl-4-aminoaniline sulfate 5.0 g Hydroxylamine sulfate 4.0 g Fluorescent brightening agent (WHITEX 4B manufactured by Sumitomo Chemical Co., Ltd.) 1.0 g Water to make 1000 ml pH (25°C) 10.20 Bleach-Fixing Solution: Water 400 ml Ammonium thiosulfate (70%) 150 ml Sodium sulfite 18 g Iron (III) ammonium ethylenediaminetetraacetate 55
  • a multilayer color printing paper was prepared in the same manner as described in Example 1 except that the irradiation preventing dyes, the third layer, the fourth layer, the fifth layer and the sixth layer was changed to those shown below.

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Claims (16)

  1. Matériau photographique couleur à l'halogénure d'argent comprenant un support réfléchissant portant une couche d'émulsion d'halogénure d'argent sensible au bleu, une couche d'émulsion d'halogénure d'argent sensible au vert, une couche d'émulsion d'halogénure d'argent sensible au rouge et plusieurs couches insensibles à la lumière, dans lequel :
       au moins une couche insensible à la lumière qui est plus éloignée du support réfléchissant que la couche d'émulsion d'halogénure d'argent sensible au bleu est une couche colloïdale hydrophile contenant au moins un composé hydrophobe représenté par la formule (I) :
    Figure imgb0087
     dans laquelle R₅, R₆, R₇, R₈ et R₉ représentent chacun un atome d'hydrogène ou d'halogène, un groupe nitro, un groupe hydroxy, un groupe alkyle, un groupe alcényle, un groupe aryle, un groupe alcoxy, un groupe acyloxy, un groupe aryloxy, un groupe alkylthio, un groupe arylthio, un groupe mono- ou dialkylamino, un groupe acylamino ou un groupe hétérocyclique à 5 ou 6 chaînons contenant un atome d'oxygène ou un atome d'azote; ou bien R₈ et R₉ sont reliés ensemble pour former un noyau carboné aromatique à 5 ou 6 chaînons; et la couche d'émulsion d'halogénure d'argent sensible au bleu contient un coupleur pour jaune représenté par la formule (II) :
    Figure imgb0088
     dans laquelle R₁ représente un atome d'halogène ou un groupe alcoxy; R₂ représente un atome d'hydrogène ou d'halogène ou un groupe alcoxy ; A représente -NHCOR₃, -NHSO₂R₃, -SO₂NHR₃, -COOR₃ ou
    Figure imgb0089
     R₃ et R₄ représentent chacun un groupe alkyle substitué ou non; et Y représente un groupe éliminable dans une réaction de couplage avec le produit d'oxydation d'un agent développateur et Y est relié par un atome d'oxygène ou d'azote à la position de couplage ; caractérisé en ce que
       dans ladite couche insensible à la lumière, l'indice de réfraction relatif de la phase organique contenant le composé hydrophobe, à l'exception d'un solvant organique volatil et d'un soluté amphiphile, par rapport à un film colloïdal hydrophile qui forme la couche insensible à la lumière, est dans la gamme de 0,9875 à 1,0125; et on utilise un solvant organique non volatil pour disperser le composé hydrophobe ayant un indice de réfraction de moins de 1,46, pourvu que ledit solvant ne soit pas (iso-C₉H₁₉O)₃P=O,
       et ladite couche d'émulsion d'halogénure d'argent sensible au bleu contient une émulsion d'halogénure d'argent monodispersée ayant une dimension moyenne de particule, définie comme le diamètre d'un cercle ayant une surface égale à la surface projetée du grain, de 0,2 à 2 µm et un coefficient de variation de pas plus de 0,2.
  2. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel l'émulsion d'halogénure d'argent monodispersée utilisée dans la couche d'émulsion d'halogénure d'argent sensible au bleu est composée de chlorobromure d'argent ne contenant pratiquement pas d'iodure d'argent et contenant de 2 à 80 mol % de chlorure d'argent.
  3. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel le groupe alcoxy représenté par R₂ ou le groupe alkyle représenté par R₃ ou R₄ peut être substitué par un ou plusieurs substituants choisis parmi un groupe alkyle, un groupe aryle, un groupe hétérocyclique, un groupe alcoxy, un groupe aryloxy, un groupe alcényloxy, un groupe acyle, un groupe ester, un groupe amido, un groupe carbamoyle, un groupe sulfamoyle, un groupe imido, un groupe uréido, un groupe sulfonyle aliphatique ou aromatique, un groupe thio aliphatique ou aromatique, un groupe hydroxy, un groupe cyano, un groupe carboxy, un groupe nitro, un groupe sulfo et un atome d'halogène.
  4. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel le groupe éliminable représenté par Y est un groupe représenté par la formule (III), (IV), (V) ou (VI) :



            -OR₁₀   (III)



    dans laquelle R₁₀ représente un groupe aryle hétérocyclique subtitué ou non,
    Figure imgb0090
     dans lesquelles R₁₁ et R₁₂ représentent chacun un atome d'hydrogène ou d'halogène, un groupe ester carboxylique, un groupe amino, un groupe alkyle, un groupe alkylthio, un groupe alcoxy, un groupe alkylsulfonyle un groupe alkylsulfinyle un groupe acide carboxylique, un groupe acide sulfonique, un groupe phényle substitué ou non ou un groupe hétérocyclique substitué ou non,
    Figure imgb0091
     dans laquelle W₁ représente les atomes non métalliques nécessaires pour former un cycle à 4,5 ou 6 chaînons
    avec la portion
    Figure imgb0092
     de la formule (VI).
  5. Matériau photographique couleur à l'halogénure d'argent selon la revendication 4, dans lequel le groupe représenté par la formule (VI) est un groupe représenté par la formule (VII), (VIII) ou (IX)
    Figure imgb0093
     dans lesquelles R₁₃ et R₁₄ représentent chacun un atome d'hydrogène, un groupe alkyle, un groupe aryle, un groupe alcoxy, un groupe aryloxy ou un groupe hydroxy; R₁₅, R₁₆ et R₁₇ représentent chacun un atome d'hydrogène, un groupe alkyle, un groupe aryle, un groupe aralkyle ou un groupe acyle; et W₂ représente un atome d'oxygène ou de soufre.
  6. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel le composé hydrophobe représenté par la formule (I) est un composé représenté par la formule (X):
    Figure imgb0094
     dans laquelle R₅ et R₆ ont chacun la même signification que pour la formule (I); et R₈ représente un atome d'hydrogène ou d'halogène, un groupe alkyle, un groupe alcoxy, un groupe aryle ou un groupe aryloxy, chacun ayant la même signification que pour la formule (I).
  7. Matériau photographique couleur à l'halogénure d'argent selon la revendication 6, dans lequel R₈ est un atome d'halogène.
  8. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel la phase organique contenant le composé hydrophobe représenté par la formule (I) contient en outre un solvant organique non volatil ayant un point d'ébullition de 175°C ou plus.
  9. Matériau photographique couleur à l'halogénure d'argent selon la revendication 8, dans lequel le solvant organique non volatil a un indice de réfraction de moins de 1,46.
  10. Matériau photographique couleur à l'halogénure d'argent selon la revendication 8, dans lequel le solvant organique non volatil est choisi parmi un ester d'alkyle d'acide phosphorique, un ester d'acide citrique, un ester d'acide gras, un ester d'acide carbonique, un amide et un ester ou un éther d'alcool fluoré.
  11. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel la quantité du coupleur pour jaune représenté par la formule (II) est dans la gamme de 0,3 à 1,5 g/m².
  12. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel la quantité du composé hydrophobe représenté par la formule (I) est dans la gamme de 0,3 à 1,2 g/m².
  13. Matériau photographique couleur à l'halogénure d'argent selon la revendication 8, dans lequel la quantité du solvant organique non volatil est dans la gamme de 0,1 à 0,8 ml/m².
  14. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, dans lequel la couche d'émulsion d'halogénure d'argent sensible au vert et la couche d'émulsion d'halogénure d'argent sensible au rouge contiennent un coupleur pour magenta et un coupleur pour cyan, respectivement.
  15. Matériau photographique couleur à l'halogénure d'argent selon la revendication 14, dans lequel le coupleur pour magenta est un coupleur du type 5-pyrazolone ou un coupleur du type pyraroloazole.
  16. Matériau photographique couleur à l'halogénure d'argent selon la revendication 14, dans lequel le coupleur pour cyan est un coupleur du type naphtol ou un coupleur du type phénol.
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Publication number Publication date
JPS63311251A (ja) 1988-12-20
DE3883623T2 (de) 1993-12-16
EP0295583A2 (fr) 1988-12-21
JP2517288B2 (ja) 1996-07-24
DE3883623D1 (de) 1993-10-07
EP0295583A3 (en) 1989-02-22

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