EP0546416B1 - Matériau d'enregistrement pour la photographie en couleurs - Google Patents

Matériau d'enregistrement pour la photographie en couleurs Download PDF

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Publication number
EP0546416B1
EP0546416B1 EP92120432A EP92120432A EP0546416B1 EP 0546416 B1 EP0546416 B1 EP 0546416B1 EP 92120432 A EP92120432 A EP 92120432A EP 92120432 A EP92120432 A EP 92120432A EP 0546416 B1 EP0546416 B1 EP 0546416B1
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EP
European Patent Office
Prior art keywords
silver halide
halide emulsion
sensitive
coupler
layer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP92120432A
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German (de)
English (en)
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EP0546416A1 (fr
Inventor
Arno Dr Schmuck
Johannes Dr. Sobel
Hans Dr. Vetter
Günter Dr. Helling
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Agfa Gevaert AG
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Agfa Gevaert AG
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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • 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
    • G03C2200/00—Details
    • G03C2200/35—Intermediate layer
    • 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
    • G03C7/3029—Materials characterised by a specific arrangement of layers, e.g. unit layers, or layers having a specific function
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances

Definitions

  • the invention relates to a color photographic recording material with a improved color separation, improved dark and light stability Exposure and processing.
  • the exposed areas the developer oxidation product (EOP), which in the same layer with the coupler present there to the desired dye couples (usually yellow, purple or teal depending on the layer).
  • EOP developer oxidation product
  • the EOP has but also the tendency to diffuse into the neighboring layers, which leads to Color distortions result when it encounters other color couplers there.
  • Silver halide gelatin layers of different spectral sensitization Intermediate layers cast from gelatin.
  • the effect of the intermediate layers is usually due to the addition of so-called EOP catchers or scavengers increased what is meant by connections that reduce the EOP and themselves are oxidized.
  • EOP catchers or scavengers increased what is meant by connections that reduce the EOP and themselves are oxidized.
  • dialkyl-substituted Hydroquinones e.g. 2,5-dioctylhydroquinone, whose alkyl residues diffuse into prevent other layers of the material and their OH groups from EOP are oxidized, while from the EOP again the developer substance that arises with the rest of the developer during the processing process is watered.
  • EOP catchers that can be used is limited, otherwise much thicker intermediate layers than desired would have to be poured what adverse effects on mechanical properties, adverse Effects on the development kinetics of the bottom color layer and because the increased light scatter also on the sharpness of the material.
  • EP-A-0 207 400 It is also known from EP-A-0 207 400 to improve dark storage stability in at least one red or green sensitive layer of a photographic Materials to introduce a polymeric white coupler.
  • the object of the invention was therefore to provide a color photographic material, without sacrificing sharpness or other required photographic Features better color separation.
  • White couplers are to be understood as those connections that with the EOP in React in the sense of an addition reaction to a product that is visible Range of the spectrum is not absorbed, so it is colorless.
  • the invention therefore relates to a color photographic silver halide material which has on a support at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler and non-light-sensitive intermediate layers Contains silver halide emulsion layers of different spectral sensitization, characterized in that the intermediate layer between a red-sensitive and a green-sensitive silver halide emulsion layer contains at least one EOP scavenger in a total EOP scavenger amount of 0.06 to 0.6 mmol / m 2 and at least one white coupler contains in a total amount of white coupler from 0.01 to 0.08 mmol / m 2 .
  • the Polymers additionally have a polymerized ethylenically unsaturated Compound M included.
  • each in% by weight are contained: Recurring units II 10 - 30% Recurring units III 3 - 20% Polymerized ethylenically unsaturated compound M 87-50%.
  • Suitable polymeric white couplers are listed below:
  • the polymers preferably have one Glass transition temperature of less than 20 ° C.
  • the determination the glass transition temperature takes place according to the differential thermal analysis and differential calorimetry known methods, which are described for example in the book "Polymeranalytik II” by Hoffmann, Krämer and Kuhn, Thieme Verlag, Stuttgart 1977.
  • polymers in photographic materials are surprisingly also the mechanical properties, in particular improved breaking strength.
  • Preferred EOP catchers correspond to the formula wherein R 4 , R 5 , R 6 and R 7 independently of one another are hydrogen, halogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted alkoxy, optionally substituted alkylthio, optionally substituted arylthio, optionally substituted heterocyclylthio, optionally substituted aryloxy, optionally substituted acyl, optionally substituted acylamino, optionally substituted alkoxycarbonyl, optionally substituted aryloxycarbonyl, alkyl or arylcarbamoyl, alkylsulfamoyl, sulfo or carboxy.
  • R 5 and R 7 are preferably hydrogen, R 4 is C 1 -C 20 -alkyl or C 1 -C 8 -alkoxycarbonyl-C 1 -C 8 -alkyl and R 6 is hydrogen, C 1 -C 20 -alkyl or C1-C 8 alkoxycarbonylC 1 -C 8 alkyl.
  • Suitable compounds are: where tC 8 H 17 and tC 6 H 13 are the formulas to have.
  • the material can also be a substrate layer, further intermediate layers, one or more yellow filter layers and one or more protective or cover layers contain.
  • the intermediate layer between a blue-sensitive and a green-sensitive silver halide emulsion layer preferably also contains 0.1 to 0.8 mmol / m 2 EOP scavenger and 0.03 to 0.08 mmol / m 2 white coupler.
  • the carrier usually follows the red-sensitive in the given order Layer or 2 or 3 red sensitive layers that green sensitive layer or 2 or 3 green sensitive Layers, a yellow filter layer and the blue sensitive Layer or 2 or 3 blue sensitive layers.
  • Other layers are also possible, in particular In the case of multi-layer materials, layers must be the same Awareness does not necessarily have to be adjacent but can also in the specified in DE-A 2 530 645 alternating order.
  • color negative paper is usually on the carrier in the specified order the blue sensitive, the green sensitive and the red sensitive silver halide emulsion layer arranged. There is no yellow filter layer there.
  • silver halides of the silver halide emulsion layers come AgBr, AgBrCl, AgBrI, AgBrClI and AgCl into consideration.
  • the invention Intermediate layer containing combination a blue or green sensitized silver halide emulsion contain whose sensitivity is lower is that of the green sensitive ones containing the coupler Silver halide emulsion layer that the High density red tracing improved.
  • a further preferred embodiment contains the intermediate layer between the green sensitive, a silver halide emulsion layer containing magenta couplers and the red-sensitive one, a cyan coupler containing silver halide emulsion layer a red or red and green sensitized silver halide emulsion
  • the intermediate layer between the green sensitive, a silver halide emulsion layer containing purple coupler and the blue-sensitive one, a yellow coupler containing silver halide emulsion layer can contain a green sensitive silver halide emulsion.
  • the silver halides preferably contain all photosensitive Layers at least 80 mole% chloride, in particular 95 to 100 mol-X chloride, 0 to 5 mol% Bromide and 0 to 1 mol-X iodide.
  • the silver halide emulsions can work directly positive or preferably be negative working emulsions.
  • the silver halide can be predominantly compact Act crystals that e.g. regular cubic or are octahedral or may have transitional forms.
  • twins e.g. B. platelet-shaped crystals are present, their average Ratio of diameter to thickness preferred is at least 5: 1, the diameter being one Grain is defined as the diameter of a circle with a circle content corresponding to the projected Area of the grain.
  • the layers can also be tabular Have silver halide crystals in which the ratio of diameter to thickness greater than 5: 1 is, e.g. 12: 1 to 30: 1.
  • the silver halide grains can also be multi-layered Have grain structure, in the simplest case with an inner and an outer grain area (core / shell), the halide composition and / or other modifications, such as Endowments of the individual Grain areas are different.
  • the middle The grain size of the emulsions is preferably between 0.2 ⁇ m and 2.0 ⁇ m, the grain size distribution can be both be homo- and heterodisperse.
  • the emulsions can in addition to the silver halide, organic silver salts included, e.g. Silver benzotriazolate or silver behenate.
  • Two or more types of silver halide emulsions which are made separately, as a mixture be used.
  • the photographic emulsions can be different Methods (e.g. P. Glafkides, Chimie et Physique Photographique, Paul Montel, Paris (1967), G.F. Duffin, Photographic Emulsion Chemistry, The Focal Press, London (1966), V.L. Zelikman et al, Making and Coating Photographic Emulsion, The Focal Press, London (1966) soluble silver salts and soluble halides will.
  • Methods e.g. P. Glafkides, Chimie et Physique Photographique, Paul Montel, Paris (1967), G.F. Duffin, Photographic Emulsion Chemistry, The Focal Press, London (1966), V.L. Zelikman et al, Making and Coating Photographic Emulsion, The Focal Press, London (1966) soluble silver salts and soluble halides will.
  • the silver halide is preferably precipitated in Presence of the binder, e.g. the gelatin and can carried out in the acidic, neutral or alkaline pH range are, preferably silver halide complexing agents can also be used.
  • the latter belong e.g. Ammonia, thioether, imidazole, ammonium thiocyanate or excess halide.
  • the merge the water-soluble silver salts and the halides optionally takes place one after the other after the single-jet or simultaneously using the double-jet process or by any combination of both methods.
  • the pAg range can be changed during the Falling vary widely, preferably uses the so-called pAg-controlled method, in which a certain pAg is kept constant or on Run through the defined pAg profile during the precipitation becomes.
  • a certain pAg is kept constant or on Run through the defined pAg profile during the precipitation becomes.
  • inverse precipitation Silver ion excess possible.
  • the silver halide crystals also by physical Ripening (Ostwaldreifung), in the presence of excess halide and / or silver halide complexing agent to grow.
  • the growth of the emulsion grains can even predominantly through Ostwald ripening take place, preferably a fine-grained, so-called Lippmann emulsion, with a less soluble Emulsion mixed and redissolved on the latter.
  • the silver halide grains can be precipitated in the presence of "growth modifiers" are substances that are influence the growth so that special grain shapes and grain surfaces (e.g. 111 surfaces at AgCl) arise.
  • growth modifiers are substances that are influence the growth so that special grain shapes and grain surfaces (e.g. 111 surfaces at AgCl) arise.
  • the precipitation can also be carried out in the presence of sensitizing dyes respectively.
  • Complexing agent and / or dyes can be any Deactivate the point in time, e.g. by changing the pH or by an oxidative treatment.
  • Gelatin is preferably used as the binder. However, this can be done in whole or in part by others synthetic, semi-synthetic or also naturally occurring Polymers to be replaced. Synthetic gelatin substitutes Examples include polyvinyl alcohol, poly-N-vinyl pyrrolidone, Polyacrylamides, polyacrylic acid and their derivatives, in particular their copolymers. Naturally occurring gelatin substitutes are, for example other proteins like albumin or casein, Cellulose, sugar, starch or alginates. Semi-synthetic Gelatin substitutes are usually modified Natural products.
  • Cellulose derivatives such as hydroxyalkyl cellulose, Carboxymethyl cellulose and phthalyl cellulose as well as gelatin derivatives, which by implementation with alkylating or acylating agents or by Grafting polymerizable monomers obtained are examples of this.
  • the binders should have a sufficient amount of functional groups so that by implementation sufficiently resistant with suitable hardening agents Layers can be created.
  • Such functional Groups are especially amino groups, but also Carboxyl groups, hydroxyl groups and active methylene groups.
  • the gelatin which is preferably used can be acidic or alkaline digestion.
  • the production such gelatin is described, for example, in The Science and Technology of Gelatine, published by A.G. Ward and A. Courts, Academic Press 1977, page 295 ff.
  • the gelatin used in each case should have the lowest possible photographic content contain active impurities (inert gelatine). High viscosity, low swelling gelatins are particularly advantageous.
  • the gelatin can partially or be completely oxidized.
  • the soluble salts are removed at an earlier point in time removed from the emulsion, e.g. by pasta and washing, by flaking and washing, by ultrafiltration or through ion exchangers.
  • the photographic emulsions can be compounds to Prevention of fog or for stabilization the photographic function during production, the Storage or photographic processing included.
  • Azaindenes are particularly suitable, preferably tetra- and penta-azaindenes, in particular those which are substituted by hydroxyl or amino groups.
  • Such connections are e.g. B. von Birr, Z. Wiss. Phot. 47 (1952), pp. 2-58.
  • Salts of metals such as mercury or cadmium, aromatic sulfonic or sulfinic acids such as benzenesulfinic acid, or nitrogen-containing heterocycles such as nitrobenzimidazole, nitroindazole, (subst.) Benzotriazoles or benzothiazolium salts can also be used as antifoggants.
  • Heterocycles containing mercapto groups e.g. B.
  • mercaptobenzthiazoles mercaptobenzimidazoles, mercaptotetrazoles, mercaptothiadiazoles, mercaptopyrimidines, which mercaptoazoles can also contain a water-solubilizing group, for example a carboxyl group or sulfo group. Further suitable compounds are published in Research Disclosure No. 17643 (1978), section VI.
  • the stabilizers can the silver halide emulsions before, during or after their ripening. Of course you can also do the connections other photographic layers, that of a halogen silver layer are assigned.
  • the silver halide emulsions are commonly used chemically matured, for example by exposure to Gold compounds or compounds of the divalent Sulfur.
  • the photographic emulsion layers or other hydrophilic Colloid layers of the one produced according to the invention Photosensitive material can be surface active Contain funds for various purposes, such as coating aids, to prevent electrical charging Improvement of the sliding properties, for emulsifying the Dispersion, to prevent adhesion and to improve the photographic characteristics (e.g. acceleration of development, high contrast, sensitization etc.).
  • Sensitizers can be dispensed with if for intrinsic sensitivity in a certain spectral range of the silver halide is sufficient, for example the blue sensitivity of silver bromide iodides.
  • the differently sensitized emulsion layers become non-diffusing monomeric or polymeric color couplers assigned which is in the same shift or in a layer adjacent to it.
  • Color coupler for generating the blue-green partial color image are usually couplers of the phenol or ⁇ -naphthol type.
  • Color coupler for generating the purple partial color image are usually couplers of the 5-pyrazolone type Indazolons or the pyrazoloazole.
  • Color coupler for generating the yellow partial color image are usually couplers with an open chain ketomethylene grouping, in particular couplers of the type ⁇ -acylacetamids; suitable examples are ⁇ -benzoylacetanilide couplers and ⁇ -pivaloylacetanilide couplers.
  • the color couplers can be 4-equivalent couplers, but also act as 2-equivalent couplers. Latter are derived from the 4-equivalent couplers in that they contain a substituent in the coupling point, which is split off at the clutch.
  • the couplers usually contain a ballast residue, diffusion within the material, i.e. either within a shift or from shift to shift, impossible to make instead of couplers with one Ballast residues can also be used with high molecular weight couplers will.
  • High molecular weight color couplers are for example in DE-C-1 297 417, DE-A-24 07 569, DE-A-31 48 125, DE-A-32 17 200, DE-A-33 20 079, DE-A-33 24 932, DE-A-33 31 743, DE-A-33 40 376, EP-A-27 284, US-A-4 080 211 described.
  • the high molecular color couplers are used in usually by polymerization of ethylenically unsaturated monomeric color couplers. You can but also obtained by polyaddition or polycondensation will.
  • Hydrophobic compounds can also be made using high-boiling solvents, so-called oil formers, be introduced into the casting solution.
  • Appropriate methods are for example in US-A-2 322 027, US-A-2 801 170, US-A-2 801 171 and EP-A-O 043 037.
  • the compounds can also be in the form of loaded latices be introduced into the casting solution. Is referred for example on DE-A-25 41 230, DE-A-25 41 274, DE-A-28 35 856, EP-A-0 014 921, EP-A-0 069 671, EP-A-O 130,115, U.S. 4,291,113.
  • anionic water-soluble Compounds e.g. from dyes
  • cationic polymers so-called pickling polymers respectively.
  • Suitable oil formers are e.g. Alkyl phthalate, Phosphonic acid esters, phosphoric acid esters, citric acid esters, Benzoic acid esters, amides, fatty acid esters, trimesic acid esters, Alcohols, phenols, aniline derivatives and Hydrocarbons.
  • oil formers examples include dibutyl phthalate, Dicyclohexyl phthalate, di-2-ethylhexyl phthalate, decyl phthalate, Triphenyl phosphate, tricresyl phosphate, 2-ethylhexyl diphenyl phosphate, Tricyclohexyl phosphate, tri-2-ethylhexyl phosphate, Tridecyl phosphate, tributoxyethyl phosphate, Trichloropropyl phosphate, di-2-ethylhexylphenyl phosphate, 2-ethylhexyl benzoate, dodecyl benzoate, 2-ethylhexyl p-hydroxybenzoate, Diethyldodecanamide, N-tetradecylpyrrolidone, Isostearyl alcohol, 2,4-di-tert-amylphenol, Dioctyl acylate,
  • the photographic material can also contain UV light-absorbing compounds, whiteners, spacers, filter dyes, formalin scavengers, light stabilizers, antioxidants, D min dyes, additives to improve dye, coupler and white stabilization and to reduce the color fog, plasticizers (latices), Contain biocides and others.
  • Ultraviolet absorbing couplers such as Cyan couplers of the ⁇ -naphthol type
  • ultraviolet absorbing Polymers are used. These ultraviolet absorbents can be done by pickling in a special Layer fixed.
  • Suitable whiteners are e.g. in Research Disclosure 17,643 (Dec. 1978), Chapter V, in US-A-2,632,701, 3 269 840 and in GB-A-852 075 and 1 319 763 described.
  • Certain layers of binder especially that of Carrier most distant layer, but also occasionally Intermediate layers, especially if they during the manufacturing process the furthest from the wearer represent removed layer, can be photographically inert Contain particles of inorganic or organic nature, e.g. as a matting agent or as a spacer (DE-A-33 31 542, DE-A-34 24 893, Research Disclosure 17 643, (Dec. 1978), Chapter XVI).
  • the average particle diameter of the spacers is in particular in the range from 0.2 to 10 ⁇ m.
  • the spacers are insoluble in water and insoluble in alkali or be alkali-soluble, the alkali-soluble generally in an alkaline development bath the photographic material are removed.
  • suitable polymers are polymethyl methacrylate, copolymers from acrylic acid and methyl methacrylate as well Hydroxypropylmethyl cellulose hexahydrophthalate.
  • Additives to improve the dye, coupler and White stability and to reduce the color fog can belong to the following chemical substance classes: Hydroquinones, 6-hydroxychromanes, 5-hydroxycoumarans, Spirochromanes, spiroindanes, p-alkoxyphenols, steric hindered phenols, gallic acid derivatives, methylenedioxybenzenes, Aminophenols, sterically hindered amines, derivatives with esterified or etherified phenolic hydroxyl groups, Metal complexes.
  • the layers of the photographic material can with the usual hardening agents are hardened.
  • Suitable Hardening agents are e.g. Formaldehyde, glutaraldehyde and similar aldehyde compounds, diacetyl, cyclopentadione and similar ketone compounds, bis (2-chloroethyl urea), 2-hydroxy-4,6-dichlorl, 3,5-triazine and others Compounds containing reactive halogen (US-A-3 288,775, US-A-2,732,303, GB-A-974,723 and GB-A-1 167 207) Divinyl sulfone compounds, 5-acetyl-1,3-diacryloylhexahydro-1,3,5-triazine and other connections, which contain a reactive olefin bond (US-A-3 635,718, U.S.-A-3,232,763 and GB-A-994,869); N-hydroxymethyl phthalomide and other
  • the hardening can be effected in a known manner by that the hardening agent of the casting solution for the hardening layer is added, or in that the Layer to be hardened is covered with a layer which contains a diffusible hardening agent.
  • hardening agents that react very quickly with gelatin is it e.g. carbamoylpyridinium salts, those with free carboxyl groups of gelatin able to react, so that the latter with free amino groups gelatin to form peptide bonds and crosslinking of the gelatin react.
  • the color photographic materials according to the invention are usually processed by developing, bleaching, fixing and washing or stabilizing without subsequent washing, whereby bleaching and fixing can be combined into one processing step.
  • All developer compounds which have the ability to react in the form of their oxidation product with color couplers to form azomethine or indophenol dyes can be used as the color developer compound.
  • Suitable color developer compounds are aromatic compounds of the p-phenylenediamine type containing at least one primary amino group, for example N, N-dialkyl-p-phenylenediamines such as N, N-diethyl-p-phenylenediamine, 1- (N-ethyl-N-methanesulfonamidoethyl) -3 -methyl-p-phenylenediamine, 1- (N-ethyl-N-hydroxyethyl) -3-methyl-p-phenylenediamine and 1- (N-ethyl-N-methoxyethyl) -3-methyl-p-phenylenediamine.
  • Other useful color developers are described, for example, in J. Amer. Chem. Soc. 73, 3106 (1951) and G. Haist, Modern Photographic Processing, 1979, John Wiley and Sons, New York, page 545 ff.
  • bleaching agents e.g. Fe (III) salts and Fe (III) complex salts such as ferricyanides, Dichromate, water-soluble cobalt complexes used will.
  • Iron (III) complexes are particularly preferred of aminopolycarboxylic acids, especially e.g. from Ethylenediaminetetraacetic acid, propylenediaminetetraacetic acid, Diethylenetriaminepentaacetic acid, nitrilotriacetic acid, Iminodiacetic acid, N-hydroxyethyl-ethylenediamine triacetic acid, Alkyliminodicarboxylic acids and of corresponding phosphonic acids.
  • bleach persulfates and peroxides e.g. Hydrogen peroxide
  • the bleach-fixing bath or fixing bath is usually followed by one Irrigation, which is carried out as countercurrent irrigation or consists of several tanks with their own water supply.
  • the watering can be completed by a stabilizing bath to be replaced, usually in countercurrent to be led.
  • This stabilizing bath takes over when formaldehyde is added also the function of a final bath.
  • the color photographic material according to the invention can are also subject to a reversal trend.
  • the color development go with a first development Developer who has no dye with the couplers forms, and a diffuse second exposure or chemical veil ahead.
  • it is useful as a silver halide emulsion for color coupler-free Layer adjacent to at least one Coloring silver halide emulsion layer such to choose their sensitivity greater, in particular is 0.6 to 2.5 log H units larger than that Sensitivity of the coloring layer.
  • a color photographic recording material which is suitable for a rapid processing process was produced by applying the following layers in the order given to a paper coated on both sides with polyethylene.
  • the quantities given relate to 1 m 2 .
  • the corresponding amounts of AgNO 3 are given for the silver halide application.
  • a color photographic recording material was produced which differs from Example 6 in that the amount of gelatin in the 3rd layer was reduced to 0.6 g and in the 5th layer the amount of gelatin was reduced to 1.0 g.
  • the layer thickness of the 3rd layer decreased by 40 X compared to Example 1, that of the 5th layer by 8 X.
  • Samples 6 and 7 show greater color purity than the comparison samples.
  • Examples 6 and 7 show better dark stability than the comparative examples.

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  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Claims (7)

  1. Matériau photographique couleur à l'halogénure d'argent qui contient, sur un support, au moins une couche d'émulsion d'halogénure d'argent sensible au bleu, contenant au moins un coupleur jaune, au moins une couche d'émulsion d'halogénure d'argent sensible au vert contenant au moins un coupleur pourpre et au moins une couche d'émulsion d'halogénure d'argent sensible au rouge, contenant au moins un coupleur bleu-vert ainsi que des couches intermédiaires entre les couches d'émulsions d'halogénure d'argent sensibles à la lumière de sensibilisation spectrale différente, caractérisé en ce que la couche intermédiaire qui se trouve entre une couche d'émulsion d'halogénure d'argent sensible au rouge et une couche d'émulsion d'halogénure d'argent sensible au vert contient au moins un piégeur de EOP (piégeur du produit d'oxydation du développateur) en une quantité totale de piégeur de EOP de 0,06 à 0,6 mmol/m2 et au moins un coupleur blanc en une quantité totale de coupleur blanc de 0,01 à 0,08 mmol/m2.
  2. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, caractérisé en ce que la couche intermédiaire située entre une couche d'émulsion d'halogénure d'argent sensible au bleu et une couche d'émulsion d'halogénure d'argent sensible au vert contient aussi 0,1 à 0,8 mmol/m2 de piégeur de EOP et 0,03 à 0,08 mmol/m2 de coupleur blanc.
  3. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, caractérisé en ce que les halogénures d'argent des couches d'émulsion d'halogénure d'argent contiennent au moins 80 mol % de chlorure d'argent.
  4. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, caractérisé en ce que les halogénures d'argent des couches d'émulsion d'halogénure d'argent contiennent 95 à 100 mol % de chlorure d'argent, 0 à 5 mol % de bromure d'argent et 0 à 1 mol % d'iodure d'argent.
  5. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, caractérisé en ce que les halogénures d'argent des couches d'émulsion d'halogénure d'argent fonctionnent de manière négative.
  6. Matériau photographique couleur à l'halogénure d'argent selon la revendication 1, caractérisé en ce que la couche intermédiaire située entre une couche d'émulsion d'halogénure d'argent sensible au vert contenant un coupleur pourpre et une couche d'émulsion d'halogénure d'argent sensible au rouge contenant un coupleur bleu-vert contient une émulsion d'halogénure d'argent sensibilisée au bleu ou au vert ou une émulsion d'halogénure d'argent sensibilisée au bleu et au vert dont la sensibilité est plus faible que celle de la couche d'émulsion d'halogénure d'argent sensible au vert contenant le coupleur.
  7. Procédé de production d'images photographiques couleur opaques, caractérisé en ce qu'un matériau photographique couleur selon la revendication 1 est soumis aux étapes de développement, blanchiment, fixage et lavage, le lavage pouvant être remplacé par une stabilisation et le blanchiment et le fixage pouvant être regroupés dans une étape.
EP92120432A 1991-12-12 1992-11-30 Matériau d'enregistrement pour la photographie en couleurs Expired - Lifetime EP0546416B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4140946 1991-12-12
DE4140946A DE4140946A1 (de) 1991-12-12 1991-12-12 Farbfotografisches aufzeichnungsmaterial

Publications (2)

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EP0546416A1 EP0546416A1 (fr) 1993-06-16
EP0546416B1 true EP0546416B1 (fr) 1998-03-18

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EP92120432A Expired - Lifetime EP0546416B1 (fr) 1991-12-12 1992-11-30 Matériau d'enregistrement pour la photographie en couleurs

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EP (1) EP0546416B1 (fr)
JP (1) JP2825720B2 (fr)
DE (2) DE4140946A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0862663A (ja) * 1994-08-23 1996-03-08 Olympus Optical Co Ltd カメラ
EP0802453A1 (fr) * 1996-04-18 1997-10-22 Agfa-Gevaert N.V. Produit photographique à l'halogénure d'argent comportant une couche intermédiaire spécifique
EP1024952B1 (fr) * 1997-10-24 2002-06-26 Agfa-Gevaert Stratifie comportant un substrat mince de verre a base de borosilicate comme couche constitutive
EP1914594A3 (fr) 2004-01-30 2008-07-02 FUJIFILM Corporation Matériau photographique couleur à l'halogénure d'argent sensible à la lumière et procédé de formation d'image

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1193129A (fr) * 1982-06-18 1985-09-10 Robert E. Ross Elements photographiques renfermant des purificateurs pour agents developpateurs oxydes
DE3523395A1 (de) * 1985-06-29 1987-01-08 Agfa Gevaert Ag Fotografisches aufzeichnungsmaterial mit verbesserter stabilitaet und verfahren zur herstellung fotografischer bilder
DE3626221A1 (de) * 1986-08-02 1988-02-04 Agfa Gevaert Ag Farbfotografisches aufzeichnungsmaterial zur herstellung farbiger aufsichtsbilder
DE69129782T2 (de) * 1990-10-15 1998-11-19 Fuji Photo Film Co Ltd Farbphotographisches Silberhalogidmaterial

Also Published As

Publication number Publication date
DE4140946A1 (de) 1993-06-17
EP0546416A1 (fr) 1993-06-16
JPH05249637A (ja) 1993-09-28
JP2825720B2 (ja) 1998-11-18
DE59209236D1 (de) 1998-04-23

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