EP0364845B1 - Procédé photographique d'inversion - Google Patents

Procédé photographique d'inversion Download PDF

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Publication number
EP0364845B1
EP0364845B1 EP89118691A EP89118691A EP0364845B1 EP 0364845 B1 EP0364845 B1 EP 0364845B1 EP 89118691 A EP89118691 A EP 89118691A EP 89118691 A EP89118691 A EP 89118691A EP 0364845 B1 EP0364845 B1 EP 0364845B1
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Prior art keywords
developer
development
primary
bath
alkyl
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German (de)
English (en)
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EP0364845A2 (fr
EP0364845A3 (fr
Inventor
Ubbo Dr. Wernicke
Werner Dr. Berthold
Helmut Häseler
Gustav Tappe
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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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/50—Reversal development; Contact processes

Definitions

  • the invention relates to a method for processing photographic reversal materials, in which washing between the black-and-white and color developing bath is essentially dispensed with.
  • a positive color image is formed by exposing a negative working color reversal paper through a special reversal development.
  • the color reversal paper has at least one blue-sensitive silver-halide layer containing a yellow coupler, at least one green-sensitive layer containing green-sensitive couplers and at least one red-sensitive silver-halide layer containing a cyan coupler.
  • the current state of the art is characterized by the Kodak R3 process.
  • the total processing time for this process is 600 seconds. Of this, 75 seconds are allotted to the initial development; 90 seconds for the absolutely necessary two-stage cascade watering between first and color developer and 135 seconds for color development.
  • the remaining time is taken up by bleaching and washing.
  • Postponement of the first developer would, however, be of minor importance if it were comparable to the structure of the color developer and would not cause any side reactions in the color development bath.
  • DE-OS 2 249 857 describes a process for reverse development in which black-and-white developer substances as well as color developer substances which are impaired in color coupling activities are used simultaneously in the first development bath.
  • the clutch inhibiting effects e.g. canceled by sulfite, ascorbic acid etc.
  • the color coupling can take place.
  • a disadvantage of this process is the competing presence of two types of developers and the resulting coordination and process problems.
  • the object of the invention was to develop a reverse development process in which washing between the first and color development baths can be dispensed with without the disadvantages mentioned above occurring.
  • Hydrophilizing groups are understood to mean the radicals -OH, -COOH and -SO3H.
  • Preferred compounds of the formula (I) are listed below:
  • N, N-diethylhydroxylamine can be mentioned as an example of a hydroxylamine derivative according to formula II.
  • Citrazinic acid is described by E. Klingsberg in The Chemistry of Heteryclic Compounds "Pyridine and Derivates Part one", p. 293, Interscience Publications Inc., New York.
  • the photographic material can be immediately transferred to the following color development bath without watering, in which the diffuse post-exposure also takes place, or the watering can be greatly shortened.
  • the watering times are 1 to 30 seconds, preferably 15 seconds, and can be used for the second exposure.
  • the oxidation protection is carried out by means of hydroxylamines, diketones or ⁇ -hydroxyketones instead of sulfite, rhodanide can be added to the first developer to increase sensitivity, preferably in amounts of 2 ⁇ 10 -3 to 1 ⁇ 10 ⁇ 2 mol / l.
  • Primary aromatic amino developer substances which are particularly suitable for the first and color development bath are p-phenylenediamines and in particular N, N-dialkyl-p-phenylenediamines, in which the alkyl groups and the aromatic nucleus are substituted or unsubstituted.
  • Examples of such compounds are N, N-diethyl-p-phenylenediamine hydrochloride, 4-N, N-diethyl-2-methylphenylenediamine hydrochloride, 4- (N-ethyl-N-2-methanesulfonylaminoethyl) -2-methylphenylenediamine sesquisulfate monohydrate, 4- (N-ethyl-N-2-hydroxyethyl) -2-methylphenylenediamine sulfate and 4-N, N-diethyl-2,2'-methanesulfonylamino-ethylphenylenediamine hydrochloride.
  • CD 3 and CD 4 are preferred.
  • the content of ascorbic acid or its derivatives in the first development bath is 0.3 to 30 g / l, preferably 2 to 15 g / l.
  • Sulfite is used in an amount of 2 to 15 g / l in the first development bath.
  • the concentration of citrazinic acid is in the range from 1 to 25 g / l, preferably 5 to 15 g / l.
  • Colorless coupling compounds are present in amounts of 1 to 25 g / l in the initial development bath, preferably 2 to 15 g / l.
  • the concentrations of the hydroxylamine derivatives are in the range from 3 to 25 g / l, preferably 5 to 15 g / l.
  • the substances can also be combined.
  • the pH in the initial development bath is in the range from 6.5 to 7.5.
  • the concentrations of the developer substances in the first development bath are in the range from 1 to 20 g / l, preferably 4 to 12 g / l.
  • the bromide content of the first development bath is between 0 and 1 g / l, preferably 0-0.5 g / l.
  • the chloride content can vary between 0.3 and 6 g / l, preferably 0.5 to 5 g / l.
  • the black and white development of photographic reversal material performed in the first development bath is completed in less than 60 seconds, preferably in less than 30 seconds.
  • wetting agents and complexing agents to the two developer solutions, which accelerate the penetration of the solutions into the emulsion layers or bind calcium ions from the gelatin and the water.
  • Suitable complexing agents for complexing calcium ions are, for example, aminopolycarboxylic acids, which are well known per se.
  • aminopolycarboxylic acids are nitrilotriacetic acid, ethylenediaminetetraacetic acid (EDTA), 1,3-diamino-2-hydroxypropyltetraacetic acid, diethylenetriaminepentaacetic acid, N, N'-bis- (2-hydroxybenzyl) -ethylenediamine-N, N'-diesiacetic acid, hydroxysethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetic acid, hydroxyethyldiacetamic
  • calcium complexing agents are polyphosphates, phosphonic acids, aminopolyphosphonic acids and hydrolyzed polymaleic anhydride, e.g. Sodium hexametaphosphate, 1-hydroxyethane-1,1-diphosphonic acid, aminotrismethylenephosphonic acid, ethylenediaminetetramethylenephosphonic acid. 1-hydroxyethane-1,1-diphosphonic acid also acts as an iron complexing agent.
  • Special iron complexing agents are e.g. 4,5-dihydroxy-1,3-benzenedisulfonic acid, 5,6-dihydroxy-1,2,4-benzenetrisulfonic acid and 3,4,5-trihydroxybenzoic acid.
  • the iron complexing agent is used in amounts of about 0.02 to about 0.2 moles per mole of developer substance.
  • Optical brighteners e.g. Polyalkylene glycols, surfactants, stabilizers, e.g. heterocyclic mercapto compounds or nitrobenzimidazole and means for adjusting the desired pH in question.
  • the developer solution may also contain less than 5 g / l benzyl alcohol; it is preferably free of benzyl alcohol.
  • the ready-to-use solutions can be prepared from the individual components or from so-called concentrates, the individual components being dissolved in the concentrates in a much higher concentration.
  • the concentrates are adjusted so that they can be used to produce a so-called regenerator, ie a solution that has slightly higher concentrations of the individual components than the ready-to-use solution has, on the one hand, by further dilution and addition of a starter, preferably KCI, a ready-to-use solution and, on the other hand, is constantly added to a developer solution in use in order to replace the chemicals consumed during development or removed from the developer solution by overflow or by the developed material.
  • a starter preferably KCI
  • Chloride ions usually do not need to be added except for the freshly prepared developer, since chloride ions are released from the photographic material by the development.
  • the diffuse second exposure takes effect no earlier than 1 second after the material has entered the color development bath, since particularly good maximum densities are then achieved.
  • the diffuse second exposure takes place 2 to 15 seconds after the material enters the color development bath.
  • the delayed exposure can take place with the aid of a light slot or a division of the second development bath into a dark and a light part.
  • the light slit and light / dark separation are applied in such a way that the color developing bath acts on the non-diffusively exposed material for at least 1 second in the dark.
  • bleaching and fixing can be combined for bleach-fixing, and the washing can be replaced by a stabilizing bath. If the bleaching or bleach-fixing bath is sufficiently acidic, the stop bath can also be dispensed with.
  • a color photographic recording material which is suitable for the processing method according to the invention was produced by applying the following layers in the order given to a layer support on paper coated on both sides with polyethylene.
  • the quantities given relate to 1 m2.
  • the corresponding amounts of AgNO3 are given.
  • samples were watered fluently for 15 seconds or immediately added to the color developer (examples a).
  • CD 4 can also be used.
  • the development time in the color developer was 30 seconds at room temperature.
  • color wedges were developed with the first developers described in the examples for comparison and testing to determine to what extent an undesired color coupling takes place, then rinsed and fixed for 5 minutes in a commercially available fixing bath based on ammonium thiosulfate and finally rinsed. Negative images are obtained and these can be evaluated with regard to maximum densities and the undesired color coupling.
  • the desired suppression of the color coupling in the first developer is adequately achieved by adding antioxidants or competitive couplers at pH values of 6.5-7.5 by adding sulfite, white coupler and citrazinic acid. This ensures a good reversal with good D-Min, D-Max, clean colors and sufficient development.
  • a color photographic recording material which is suitable for the processing method according to the invention was produced by applying the following layers in the order given to a layer support on paper coated on both sides with polyethylene.
  • the quantities given relate to 1 m2.
  • the corresponding amounts of AgNO3 are given.
  • the couplers used were the same as in Examples 1 to 10.
  • This example shows the sensitometric effects that result from the direct transition of the exposed photographic recording material from the first developer to the second developer in comparison to a processing sequence in which intermediate washing is carried out after the first development in order to wash out the first developer components.
  • the processing is as follows:
  • the processing baths had the following composition:
  • pH adjustment to pH 9 with KOH or H2SO4 fill up to 1 liter with water.
  • the following example shows the sensitometric effect that results from the direct transition of the exposed photographic reversal material from a first developer according to the invention to the second developer compared to a processing sequence in which washing is carried out between the first and second developer.
  • a step wedge is exposed on a photographic material described in Example 11.
  • the processing sequence corresponds to that from Example 11.
  • Test sequence A is carried out with intermediate washing; the test sequence B without intermediate washing.
  • the individual baths have the following composition
  • Table 6 shows the sensitometric results of the densitometer measurements:
  • a color photographic material according to Example 1 is processed according to the following processing variants I, II and III.
  • the maximum densities show that it is advantageous not to carry out the diffuse second exposure immediately after entering the color developer, but only after a delay of 5 seconds.

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

Claims (8)

  1. Procédé photographique par inversion pour la préparation d'images photographiques positives par exposition en forme d'image d'un matériau photosensible contenant au moins une couche d'émulsion à l'halogénure d'argent, par un premier développement noir et blanc du matériau, par voilage chimique ou par une seconde exposition en lumière diffuse et par un développement chromogène ultérieur, caractérisé en ce que
    1. dans le premier développement, on utilise exclusivement au moins un dérivé de la N,N-dialkyl-p-phénylènediamine comme révélateur,
    2. le premier bain de développement contient au moins un composé qui empêche une copulation du produit d'oxydation de révélateur, qui se forme lors du premier développement, avec les copulants chromogènes se trouvant dans le matériau inversible pour photographie en couleurs pour donner des colorants d'images, et qui appartient à une des classes des composés a), b), c), d) ou e) ci-après :
    a) du sulfite en une quantité de 2 à 15 g/l,
    b) de l'acide citrazinique en une quantité de 1 à 25 g/l,
    c) des copulants contenant un groupe méthylène activé dans lequel un atome d'hydrogène est remplacé par un groupe alkyle, par un groupe cycloalkyle, par un groupe aryle ou par un groupe aralkyle, et qui réagissent avec le produit d'oxydation d'un révélateur chromogène en formant des produits réactionnels incolores, en une quantité de 1 à 25 g/l,
    d) des composés de formule (I) en une quantité de 0,3-30 g/l,
    Figure imgb0041
     dans laquelle
    R   représente H, un groupe alkyle en C₁-C₆ et un groupe aryle en C₆-C₁₀ éventuellement substitué par un groupe qui rend hydrophile,
    e) des dérivés d'hydroxylamine répondant à la formule générale (II) en une quantité de 3 à 25 g/l
    Figure imgb0042
     dans laquelle
    R¹, R²   représentent H, un groupe alkyle en C₁-C₄,
    3. la valeur de pH dans le premier bain de développement se situe entre 6,5 et 7,5,
    4. les couches d'émulsion à l'halogénure d'argent du matériau photographique présentent une teneur en chlorure d'au moins 80 moles %.
  2. Procédé selon la revendication 1, caractérisé en ce que, entre le premier développement et le développement chromogène, on ne procède à aucun lavage intermédiaire.
  3. Procédé selon la revendication 1, caractérisé en ce que, entre le premier développement et le développement chromogène, on procède à un lavage intermédiaire, les temps de lavage s'élevant de 1 à 30 secondes.
  4. Procédé selon la revendication 1, caractérisé en ce que les composés copulant dans le premier bain de développement pour donner des produits réactionnels incolores répondent à la formule générale (III)
    Figure imgb0043
     dans laquelle
    R⁶, R⁷   représentent un groupe alkyle, un groupe alcoxy, un groupe aryle, un groupe carboxyle, un groupe carboxyalkyle,
    R⁸   représente un atome d'halogène, -CN, -CF₃, un groupe acylamino, un groupe sulfamoyle, un groupe alkylsulfamyle, -SO₃H, un groupe carboxyle, un groupe carboxylalkyle,
    n   représente 0-3.
  5. Procédé selon la revendication 1, caractérisé en ce que le dérivé de la N,N-dialkyl-p-phénylènediamine dans le premier bain de développement répond à la formule (IV)
    Figure imgb0044
     dans laquelle
    R³, R⁴   représentent un groupe alkyle en C₁-C₄ éventuellement substitué, un groupe aryle en C₆-C₁₀ et un groupe alcoxy en C₁-C₃,
    R⁵   représente H, un groupe alkyle en C₁-C₄ éventuellement substitué, un groupe aryle en C₆-C₁₀ et un groupe alcoxy en C₁-C₃, un atome d'halogène,
    n   représente 1 ou 2.
  6. Procédé selon la revendication 1, caractérisé en ce que les dérivés de la N,N-dialkyl-p-phénylènediamine répondent aux formules (V) et/ou (VI)
    Figure imgb0045
    Figure imgb0046
  7. Procédé selon la revendication 1, caractérisé en ce que les substances développatrices selon les formules (V) et/ou (VI) sont présentes en une quantité de 1 à 20 g/l dans le premier bain de développement.
  8. Procédé selon la revendication 1, caractérisé en ce que la teneur en bromure dans le premier bain de développement s'élève de 0 à 1,0 g/l et la teneur en chlorure dans le premier bain de développement s'élève de 0,3 à 6,0 g/l.
EP89118691A 1988-10-20 1989-10-07 Procédé photographique d'inversion Expired - Lifetime EP0364845B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3835661 1988-10-20
DE3835661 1988-10-20
DE3843264 1988-12-22
DE3843264 1988-12-22

Publications (3)

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EP0364845A2 EP0364845A2 (fr) 1990-04-25
EP0364845A3 EP0364845A3 (fr) 1991-09-25
EP0364845B1 true EP0364845B1 (fr) 1995-01-04

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US (1) US5110715A (fr)
EP (1) EP0364845B1 (fr)
JP (1) JPH02170158A (fr)
DE (1) DE58908850D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920084A1 (de) * 1989-06-20 1991-01-10 Agfa Gevaert Ag Verfahren zur herstellung von farbfotografischen kopien
DE4104292A1 (de) * 1991-02-13 1992-08-20 Agfa Gevaert Ag Bleichbad fuer fotografisches material
JP2802695B2 (ja) * 1991-11-20 1998-09-24 富士写真フイルム株式会社 カラー反転画像形成方法
DE4217022A1 (de) * 1992-05-22 1993-11-25 Agfa Gevaert Ag Verarbeitung von Umkehrmaterialien
US5695914A (en) * 1995-09-15 1997-12-09 Eastman Kodak Company Process of forming a dye image

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449919A (en) * 1947-07-05 1948-09-21 Eastman Kodak Co 3-methylsulfonamido-4-amino dimethyl aniline photographic developer
BE560907A (fr) * 1956-09-18
BE637358A (fr) * 1962-09-15
BE789928A (fr) * 1971-10-12 1973-02-01 Minnesota Mining & Mfg Procede et revelateur d'inversion des couleurs
US4194911A (en) * 1973-01-22 1980-03-25 Minnesota Mining And Manufacturing Company Inhibitor removing bath for direct positive color photographic development
US4258117A (en) * 1979-02-09 1981-03-24 Eastman Kodak Company Dye image reversal processes and image transfer film units
JPH07117712B2 (ja) * 1985-11-18 1995-12-18 コニカ株式会社 カラ−リバ−サル写真感光材料の処理方法
JPS63129341A (ja) * 1986-11-19 1988-06-01 Fuji Photo Film Co Ltd ハロゲン化銀カラ−反転写真感光材料の処理方法
JPH07109497B2 (ja) * 1987-04-06 1995-11-22 コニカ株式会社 ハロゲン化銀カラ−感光材料の処理方法
EP0370348A1 (fr) * 1988-11-24 1990-05-30 Agfa-Gevaert AG Procédé photographique par inversion

Also Published As

Publication number Publication date
US5110715A (en) 1992-05-05
JPH02170158A (ja) 1990-06-29
EP0364845A2 (fr) 1990-04-25
EP0364845A3 (fr) 1991-09-25
DE58908850D1 (de) 1995-02-16

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