EP0426087B1 - Material zur Fixierung von Farbstoffen - Google Patents
Material zur Fixierung von Farbstoffen Download PDFInfo
- Publication number
- EP0426087B1 EP0426087B1 EP90120741A EP90120741A EP0426087B1 EP 0426087 B1 EP0426087 B1 EP 0426087B1 EP 90120741 A EP90120741 A EP 90120741A EP 90120741 A EP90120741 A EP 90120741A EP 0426087 B1 EP0426087 B1 EP 0426087B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dye
- dye fixing
- compounds
- fixing material
- light
- Prior art date
- 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.)
- Expired - Lifetime
Links
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
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- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- XJHABGPPCLHLLV-UHFFFAOYSA-N benzo[de]isoquinoline-1,3-dione Chemical class C1=CC(C(=O)NC2=O)=C3C2=CC=CC3=C1 XJHABGPPCLHLLV-UHFFFAOYSA-N 0.000 claims description 2
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 2
- 125000000332 coumarinyl group Chemical class O1C(=O)C(=CC2=CC=CC=C12)* 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 2
- 150000003219 pyrazolines Chemical class 0.000 claims description 2
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical class C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 claims description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 claims description 2
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- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 7
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
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- 239000003112 inhibitor Substances 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 5
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 5
- 229940007718 zinc hydroxide Drugs 0.000 description 5
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
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- 230000002265 prevention Effects 0.000 description 4
- 150000003378 silver Chemical class 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical compound [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 3
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 3
- INVVMIXYILXINW-UHFFFAOYSA-N 5-methyl-1h-[1,2,4]triazolo[1,5-a]pyrimidin-7-one Chemical compound CC1=CC(=O)N2NC=NC2=N1 INVVMIXYILXINW-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
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- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
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- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 2
- GZVHEAJQGPRDLQ-UHFFFAOYSA-N 6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 GZVHEAJQGPRDLQ-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
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- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
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- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
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- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
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- 239000011591 potassium Chemical group 0.000 description 2
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- HBEDSQVIWPRPAY-UHFFFAOYSA-N 2,3-dihydrobenzofuran Chemical class C1=CC=C2OCCC2=C1 HBEDSQVIWPRPAY-UHFFFAOYSA-N 0.000 description 1
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- WBPWDGRYHFQTRC-UHFFFAOYSA-N 2-ethoxycyclohexan-1-one Chemical compound CCOC1CCCCC1=O WBPWDGRYHFQTRC-UHFFFAOYSA-N 0.000 description 1
- QDACQOOLIVCDNP-UHFFFAOYSA-N 2-nitro-1-oxidopyridin-1-ium Chemical class [O-][N+](=O)C1=CC=CC=[N+]1[O-] QDACQOOLIVCDNP-UHFFFAOYSA-N 0.000 description 1
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- SSOURMYKACOBIV-UHFFFAOYSA-N 3-methyl-4-nitro-1-oxidopyridin-1-ium Chemical compound CC1=C[N+]([O-])=CC=C1[N+]([O-])=O SSOURMYKACOBIV-UHFFFAOYSA-N 0.000 description 1
- YLNKRLLYLJYWEN-UHFFFAOYSA-N 4-(2,2-dibutoxyethoxy)-4-oxobutanoic acid Chemical compound CCCCOC(OCCCC)COC(=O)CCC(O)=O YLNKRLLYLJYWEN-UHFFFAOYSA-N 0.000 description 1
- MXJGWNPVKBVVTM-UHFFFAOYSA-N 5-tert-butyl-1,3-benzoxazole Chemical compound CC(C)(C)C1=CC=C2OC=NC2=C1 MXJGWNPVKBVVTM-UHFFFAOYSA-N 0.000 description 1
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- PLTCLMZAIZEHGD-UHFFFAOYSA-M sodium;quinoline-2-carboxylate Chemical compound [Na+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 PLTCLMZAIZEHGD-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000626 sulfinic acid group Chemical group 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical group [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- KVIIKBGGNBBOEI-UHFFFAOYSA-M tetramethylazanium;2,2,2-trichloroacetate Chemical compound C[N+](C)(C)C.[O-]C(=O)C(Cl)(Cl)Cl KVIIKBGGNBBOEI-UHFFFAOYSA-M 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical group [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- NJPOTNJJCSJJPJ-UHFFFAOYSA-N tributyl benzene-1,3,5-tricarboxylate Chemical compound CCCCOC(=O)C1=CC(C(=O)OCCCC)=CC(C(=O)OCCCC)=C1 NJPOTNJJCSJJPJ-UHFFFAOYSA-N 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/40—Development by heat ; Photo-thermographic processes
- G03C8/4013—Development by heat ; Photo-thermographic processes using photothermographic silver salt systems, e.g. dry silver
- G03C8/4046—Non-photosensitive layers
- G03C8/4066—Receiving layers
-
- 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/24—Photosensitive materials characterised by the image-receiving section
- G03C8/26—Image-receiving layers
Definitions
- This invention relates to a dye fixing material for use in a process of forming an image by heat development.
- JP-A-58-149046 JP-A-58-149047, JP-A-59-152440, JP-A-59-154445, JP-A-59-165054, JP-A-59-180548, JP-A-59-168439, JP-A-59-174832, JP-A-59-174833, JP-A-59-174834, and JP-A-59-174835 (the term "JP-A" as used herein means an "unexamined published Japanese patent application").
- the color image obtained by the above-described image formation methods generally has a high fog density and is apt to suffer from stains on the white background or undergo unevenness on development. Further, the image, when preserved for a long time, undergoes changes in density or an increase of stain on the white background.
- JP-A-61-159644 discloses a method of incorporating a hydroquinone derivative, etc. into a dye fixing material for the purpose of improving dye image stability to light. While the image obtained by this method exhibits improved stability to light, it shows a serious increase in background density when preserved in the dark for a long time.
- JP-A-1-159655 discloses an image formation method using a fluorescent brightening agent without causing unevenness on development, which provides an image free from changes in image density or unevenness even when preserved for a long time.
- a water-soluble fluorescent brightening agent is preferred from the standpoint of production.
- an oil-soluble fluorescent brightening agent is preferred from the standpoint of light stability of the image. It has also turned out, however, that use of an oil-soluble fluorescent brightening agent in a dye fixing material causes deterioration of surface gloss with time.
- EP-A-386761 discloses a heat-developable color photographic material comprising a support having thereon at least a photosensitive silver halide, a binder, and a dye providing compound capable of releasing or forming a diffusible dye in correspondence or counter-correspondence to reduction of the silver halide to silver, said heat developable color photographic material further comprising a compound represented by the formula C 6n (H 2 O) 5n+1 , wherein n represents an integer of 1 or more.
- EP-A-411466 discloses a heat-developable color photographic light-sensitive material comprising at least a light-sensitive silver halide, a binder, a dye-providing non-diffusible compound capable of releasing a diffusible dye on being reduced, and a reducing agent, wherein the light-sensitive material further contains at least one ester or amide derivative of oxalic acid, malonic acid, substituted malonic acid, ⁇ -keto-acid, ⁇ -keto-acid, substituted ⁇ -keto-acid, or substituted ⁇ -keto-acid.
- An object of this invention is to provide a dye fixing material which forms an image having satisfactory light and dark stability while retaining its properties (surface gloss) during preservation.
- a dye fixing material comprising a support and a dye fixing layer capable of receiving a diffusible dye formed in a heat-developable light-sensitive material by heat development, said dye fixing material containing on the side of the support in which the dye fixing layer is provided an oil-soluble fluorescent brightening agent and at least one anionic surface active agent, wherein the total amount of the anionic surface active agent in the layers of the side of the support in which the dye fixing layer is provided ranges from 25 to 150 mg/m 2 .
- An anionic surface active agent is essentially used for stabilization of an emulsion, improvement of coating properties, and improvement of carrying properties or release properties of materials.
- the inventors have found by study that an anionic surface active agent is highly diffusible in a hydrophilic binder and, when preserved, diffuses and migrates to the surface to cause reduction in surface gloss.
- an anionic surface active agent has an effect of accelerating diffusion of an oil-soluble substance in a hydrophilic binder, and reduction in surface gloss is also caused by the migration of such an oil-soluble substance to the surface.
- the amount of the anionic surface active agents should not exceed 200 mg/m 2 from the viewpoint of surface gloss.
- the anionic surface active agent should be present in an amount of at least 20 mg/m 2 for assuring releasability between a dye fixing material and a light-sensitive material.
- the total amount of an anionic surface active agent or agents present in the layers of the side of the support in which the dye fixing layer is provided ranges from 25 to 100 mg/m 2 .
- Anionic surface active agents which can be used in the present invention are surface active agents having an anionic group exclusive of betaine type surface active agents.
- the anionic group herein referred to includes those capable of forming an anion, e.g., a carboxyl group, a sulfo group, a sulfinic acid group, a phospho group, a boric acid group, and a hydroxyl group, and salts thereof.
- the anionic surface active agent may be used in any layer of a dye fixing material. It may be added directly in the form of an aqueous solution or in the form of a dispersion in a high-boiling organic solvent, an oil-soluble compound or a polymer.
- Preferred methods for relatively oil-soluble surface active agents include methods wherein these oil-soluble surface active agents are dissolved and added into a high boiling or a low boiling solvent, or wherein these oil-soluble surface active agents are dissolved in a mixed solvent comprising a water-soluble organic solvent (e.g., methanol) and water.
- Preferred methods for relatively water-soluble surface active agents include methods wherein these water-soluble surface active agents are added in the form of itself or an aqueous solution.
- the anionic surface active agent may be used either individually or, usually, in combinations of two or more thereof as disired.
- Anionic surface active agents which can be preferably used in the present invention are those represented by formulae (I) to (IX) shown below: wherein R 1 represents a fluorine-substituted or unsubstituted saturated or unsaturated hydrocarbon group having from 3 to 20 carbon atoms; R 2 represents a hydrogen atom or a hydrocarbon group having from 1 to 3 carbon atoms; n represents an integer of from 1 to 20; and M represents a monovalent alkali metal.
- examples of R 1 include propyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, octadecyl, pentadecafluoroheptyl, heptadecafluorooctyl, heptacosafluorotridecyl, and tritriacontafluoroheptadecyl groups.
- examples of the hydrocarbon groups represented by R 2 include methyl, ethyl, n-propyl and iso-propyl groups.
- n preferably represents an integer of from 1 to 8.
- M preferably represents Na or K.
- R 1 , M, and n are as defined above; a represents 0, 1 or 2; and m represents an integer of from 1 to 6, and preferably from 2 to 4. wherein R 1 , M, m, and a are as defined above. wherein R 1 and M are as defined above and the two R 1 groups may be the same or different.
- R 1 -O-SO 3 M (V) wherein R 1 and M are as defined above. wherein R 1 and M are as defined above.
- R 2 , M, and m are as defined above.
- R 3 represents a saturated or unsaturated hydrocarbon group having from 3 to 22 carbon atoms which may be partially or completely fluorinated. wherein R 2 , R 3 , and m are as defined above.
- R 3 preferably contains from 7 to 18 carbon atoms and includes, for example, pentadecanefluoroheptyl, heptadecafluorooctyl, heptacosafluorotridecyl, and tritriacontafluoroheptadecyl groups.
- anionic surface active agents which are preferably used in the present invention are shown below.
- Fluorescent brightening agents which can be used in the present invention include those described in K. Veenkataraman (ed.), The Chemistry of Synthetic Dyes , Vol. V, Ch. 8.
- fluorescent brightening agents include stilbene compounds, coumarin compounds, biphenyl compounds, benzoxazolyl compounds, naphthalimide compounds, pyrazoline compounds and carbostyril compounds.
- the fluorescent brightening agents to be used in the present invention are oil-soluble.
- oil-soluble as used herein means that they are substantially water-insoluble. More specifically, they exhibit a water-solubility of not more than 100 mg in 100 g water at 20°C.
- Preferred examples include those of benzoxazole type such as F-10, F-15, F-28, F-29, F-30, F-31, and F-32.
- fluorescent brightening agents may be used either individually or in combinations of two or more thereof.
- the fluorescent brightening agent is incorporated into any of layers in a dye fixing material, such as a protective layer, a dye fixing layer, and a subbing layer, and preferably a dye fixing layer. Where a dye fixing layer contains a mordant, the fluorescent brightening agent may be mordanted with the mordant.
- the fluorescent brightening agent is preferably present in a dye fixing material in an amount of from 0.1 to 200 mg/m 2 , and more preferably of from 5 to 100 mg/m 2 .
- Incorporation of the oil-soluble fluorescent brightening agent into a dye fixing material can be carried out by a dispersion method using a polymer, a method of finely dispersing in a binder, or, preferably, an oil protection method.
- the method described in US-A-2,322,027 can be employed.
- the fluorescent brightening agent is dissolved in a high-boiling organic solvent, such as a phthalic ester (e.g., dibutyl phthalate, dioctyl phthalate), a phosphoric ester (e.g., tricresyl phosphate, dioctylbutyl phosphate), a citric ester (e.g., acetyl tributyl citrate), a benzoic ester (e,g., octyl benzoate), an alkylamide (e.g., diethyllaurylamide), a fatty acid ester (e.g., dibutoxyethyl succinate), a trimesic ester (e.g., tributyl trimesate), and a chlorinated paraffin (e.g., "Empara 40" produced by Ajino
- the dispersion of the fluorescent brightening agent is prepared by using a phthalic ester or a chlorinated paraffin or a combination of two or more of these and the high-boiling organic solvents described above.
- a combination of two or more high-boiling organic solvents means a combination of two or more kinds of high-boiling organic solvents such as those enumerated above (inclusive of two or more isomers thereof).
- the two or more kinds of solvents combined may be entirely different in structure from each other, but it is more effective to use a mixture of alkyl phosphates, alkyl phthalates, alkyl carboxylates or alkyl oxalates differing in alkyl chain length, a mixture of aryl phosphates differing in position of the substituent, a mixture of halogenated paraffins differing in position of the halogen atom, or a like mixture.
- Isomers of the above-described high-boiling organic solvents include those having a double bond in the alkyl chain thereof which form cis-trans isomers, and substituted cyclohexyl phosphates which form structural isomers.
- Examples of the combination of solvents include a mixture of the above-mentioned high-boiling organic solvents and a mixture containing isomers.
- the inventors have found by study that the use of a phthalic ester, a chlorinated paraffin, or a combination of two or more high-boiling organic solvents as a dispersing medium for the oil-soluble fluorescent brightening agent brings about excellent surface gloss, while the reason therefor has not yet been clarified.
- these dispersing media are superior to other media in capability of dissolving an oil-soluble fluorescent brightening agent and are, therefore, considered effective to suppress diffusion of an oil-soluble fluorescent brightening agent.
- these dispersing media inhibit reduction in surface gloss due to diffusion of the fluorescent brightening agent to the surface.
- the dye fixing material of the present invention and a light-sensitive material to be combined therewith may be constructed on the same support or separate supports.
- the relationship of these materials to a support, and the relationship of these materials to a white reflecting layer reference can be made to US-A-4,500,626, Col. 57.
- the dye fixing material is preferably provided on a support separate from that for a light-sensitive material.
- the dye fixing material comprises a support having thereon a dye fixing layer and, if desired, auxiliary layers, such as a protective layer, a release layer, an anticurling layer, and a backing layer.
- auxiliary layers such as a protective layer, a release layer, an anticurling layer, and a backing layer.
- a protective layer and a backing layer are especially useful.
- One or more of these layers may contain, in addition to the fluorescent brightening agent, a hydrophilic thermal solvent, a plasticizer, a discoloration inhibitor, a UV absorbent, a slip agent, a matting agent, an antioxidant and a dispersed vinyl compound as a dimensional stabilizer.
- the dye fixing layer preferably contains a polymer mordant capable of fixing a mobile dye released on development.
- the polymer mordant includes polymers containing a tertiary amino group, a nitrogen-containing heterocyclic moiety, or a quaternarized cationic group derived therefrom. These polymer mordants are preferably used in admixture with other hydrophilic polymers (e.g., gelatin).
- Polymers containing a vinyl monomer carrying a tertiary amino group are described in JP-A-60643 and JP-A-60-57836. Polymers containing a vinyl monomer carrying a tertiary imidazole group are described in JP-A-60-118834, JP-A-60-122941, Japanese Patent Application Nos. 61-87180 and 61-87181, and US-A-4,282,305, 4,115,124, and 3,148,061.
- Suitable polymers containing a vinyl monomer having a quaternary imidazolium salt are described in GB-A-2,056,101, 2,093,041, and 1,594,961, US-A-4,124,386, 4,115,124, 4,273,853, and 4,450,224, and JP-A-48-28225.
- polymers containing a vinyl monomer having a quaternary ammonium salt are described in US-A-3,709,690, 3,898,088, and 3,958,995, JP-A-60-57836, JP-A-60-60643, JP-A-60-122940, JP-A-60-122942, and JP-A-60-235134.
- the polymer mordant to be used in the present invention preferably has a molecular weight of from 1,000 to 1,000,000, and particularly from 10,000 to 200,000.
- the polymer mordant is used in a mordanted layer of the dye fixing element in combination with a hydrophilic colloid serving as a binder hereinafter described.
- a mixing ratio of polymer mordant to hydrophilic colloid and the amount of the polymer mordant to be coated are easily determined by those skilled in the art depending on the amount of a dye to be mordanted, the kind and composition of the polymer mordant, and the image formation system adopted.
- the mixing ratio of mordant to hydrophilic colloid ranges from 20/80 to 80/20 by weight
- the amount of the mordant to be coated ranges from 0.2 to 15 g/m 2 , and preferably from 0.5 to 8 g/m 2 .
- a combined use of the polymer mordant with a metallic ion in the dye fixing element increases a transferred dye density.
- the metallic ion can be added to a mordanted layer containing a mordant or a layer adjacent thereto (on the side either nearer to or farther from a support having thereon a mordanted layer, etc.).
- the metallic ion which can be used is desirably colorless and stable to heat and light and preferably includes polyvalent ions of transition metals, e.g., Cu 2+ , Zn 2+ , Ni 2+ , Pt 2+ , Pd 2+ , and Co 3+ , with Zn 2+ being particularly preferred.
- These metallic ions are usually added in the form of a water-soluble compound, e.g., ZnSO 4 and Zn(CH 3 CO 2 ) 2 , in an amount of from 0.01 to 5 g/m 2 , and preferably of from 0.1 to 1.5 g/m 2 .
- a hydrophilic polymer can be used as a binder in the layer containing the metallic ion.
- Hydrophilic colloids hereinafter described are useful as a hydrophilic binder for the metallic ion-containing layer.
- the mordanted layer containing the polymer mordant may contain various surface active agents for various purposes, for example, for improving coating properties.
- the dye fixing material of the present invention may contain a base and/or a precursor thereof.
- Suitable bases include inorganic bases, e.g., a hydroxide, a carbonate, a bicarbonate, a borate, a secondary or tertiary phosphate, or a metaborate of an alkali metal or a quaternary alkylammonium; and organic bases, e.g., aliphatic amines, aromatic amines, heterocyclic amines, amidines, cyclic amidines, guanidines and cyclic guanidines, and their carbonates, bicarbonates, borates, and secondary or tertiary phosphates.
- inorganic bases e.g., a hydroxide, a carbonate, a bicarbonate, a borate, a secondary or tertiary phosphate, or a metaborate of an alkali metal or a quaternary alkylammonium
- organic bases e.g., aliphatic amines, aromatic amines, heterocyclic
- Suitable base precursors include precursors of the above-mentioned organic bases.
- base precursor as used herein means a compound capable of releasing a basic component on thermal decomposition or electrolysis.
- Examples of such base precursors include salts of a thermally decomposable organic acid, e.g., trichloroacetic acid, cyanoacetic acid, acetoacetic acid, and ⁇ -sulfonylacetic acid, and the above-mentioned organic base, or 2-carboxycarboxamide described in US-A-4,088,496.
- the base precursors described in GB-A-998,945, US-A-3,220,846, and JP-A-50-22625 are also employable.
- Examples of compounds capable of forming a base on electrolysis include those capable of forming a base on electrolytic oxidation, such as e.g. various fatty acid salts which are electrolytically decomposed to produce a carbonate of an alkali metal, a guanidine and an amidine, with high efficiency; and those capable of forming a base on electrolytic reduction, such as nitro or nitroso compounds which are reduced to produce an amine, nitriles which are reduced to produce an amine, and nitro, azo or azoxy compounds which are reduced to produce a p-aminophenol, a p-phenylenediamine or a hydrazine.
- electrolytic oxidation such as e.g. various fatty acid salts which are electrolytically decomposed to produce a carbonate of an alkali metal, a guanidine and an amidine, with high efficiency
- those capable of forming a base on electrolytic reduction such as nitro or nitroso compounds which are reduced
- P-aminophenols, p-phenylenediamines, and hydrazines can be used not only as a base but a dye image forming substance. It is also useful to electrolytically decompose water in the presence of various inorganic salts to form an alkali component.
- a method in which a sparingly soluble metallic salt (e.g., zinc oxide, basic zinc carbonate, calcium carbonate) and a complexing compound capable of complexing with a metal ion constituting the metallic salt (e.g., a picolinic acid salt) are reacted in the presence of water as a medium to produce a water-soluble base can also be used.
- a dispersion of the sparingly soluble metallic salt is incorporated in a light-sensitive material, while a water-soluble compound capable of complexing with the metal ion is incorporated into a dye fixing material as a base precursor, and they are reacted in the presence of water on intimate contact under heating to produce a base. Therefore, this method is particularly effective from the viewpoint of preservability of a light-sensitive material and a dye fixing material.
- bases and/or base precursors can be used either individually or in combination of two or more thereof.
- the base and/or precursor thereof is used in an amount of from 5 x 10 -4 to 5 x 10 -1 mol/m 2 , and preferably from 2.5 x 10 -3 to 2.5 x 10 -2 mol/m 2 .
- the heat developable light-sensitive material which can be used in combination with the dye fixing material according to the present invention essentially comprises a support having thereon a light-sensitive silver halide, a binder, and a dye donating compound capable of releasing or forming a diffusible dye upon heat development (the dye donating compound sometimes serves as a reducing agent as hereinafter described).
- the light-sensitive material may contain e.g. an organic metal salt oxidizing agent and a reducing agent. These components are usually incorporated into the same layer, but they may be incorporated separately into different layers as far as they are in a reactive state. For example, presence of a colored dye donating compound in a layer beneath a silver halide emulsion layer prevents reduction in sensitivity.
- a reducing agent is preferably incorporated into a heat developable light-sensitive material. It may also be externally supplied through, for example, diffusion from a dye fixing material as hereinafter described.
- At least three silver halide emulsion layers differing in spectral sensitivity should be used in combination.
- a blue-sensitive layer, a green-sensitive layer, and a red-sensitive layer are combined; or a green-sensitive layer, a red-sensitive layer, and an infrared-sensitive layer are combined.
- the order of providing these layers is arbitrarily selected from those known for general color light-sensitive materials. If desired, each light-sensitive layer may be composed of two or more divided layers.
- the heat developable light-sensitive material can further contain auxiliary layers, such as a protective layer, a subbing layer, an intermediate layer, a yellow filter layer, an antihalation layer and a backing layer.
- auxiliary layers such as a protective layer, a subbing layer, an intermediate layer, a yellow filter layer, an antihalation layer and a backing layer.
- Silver halide grains which can be used in the present invention may be, for example, any of silver chloride, silver bromide, silver iodobromide, silver chlorobromide, silver chloroiodide, and silver chloroiodobromide.
- Silver halide emulsions may be either of a surface latent image type emulsion or an internal latent image type emulsion.
- the internal latent image type emulsion is used as a direct reversal emulsion in combination with a nucleating agent or light fog.
- the emulsion may be a so-called core/shell emulsion having different phases between the inside of the grains and the surface layer thereof.
- the silver halide emulsions may be either mono-dispersed or poly-dispersed. A mixture of mono-dispersed emulsions may also be used.
- Silver halide grains have a mean grain size of from 0.1 to 2 ⁇ m, and preferably from 0.2 to 1.5 ⁇ m.
- the grains may have a regular crystal form, such as a cubic form, an octahedral form, and a tetradecahedral form, or an irregular crystal form, such as a tubular form having a high aspect ratio.
- Silver halide emulsions may be used in the primitive (unripened) state but are usually used after being chemically sensitized by known techniques, such as sulfur sensitization, reduction sensitization, and novel metal sensitization, either alone or in combination thereof. Chemical sensitization may be performed in the presence of a nitrogen-containing heterocyclic compound as suggested in JP-A-62-253159.
- the light-sensitive silver halide emulsion is usually coated on a support to a silver coverage of from 1 mg to 10 g/m 2 .
- an organic metal salt can be used as an oxidizing agent in combination with light-sensitive silver halide emulsions.
- organic metal salts organic silver salts are particularly preferred.
- Organic compounds forming organic silver salt oxidizing agents include benzotriazoles, fatty acids, and other compounds as described in US-A-4,500,626, Cols. 52-53.
- silver salts of alkynyl-containing carboxylic acids e.g., silver phenylpropiolate, as described in JP-A-60-113235 and acetylene silver as described in JP-A-61-249044 are also useful. These organic silver salts may be used either individually or in combination of two or more thereof.
- the organic silver salt is usually used in an amount of from 0.01 to 10 mol, and preferably from 0.01 to 1 mol, per mol of light-sensitive silver halide.
- the total silver coverage of the light-sensitive silver halide and the organic silver salt suitably ranges from 50 mg to 10 g/m 2 .
- various antifoggants or stabilizers can be used.
- these compounds include azoles or azaindenes described in Research Disclosure 17643, pp. 24-25 (1978), nitrogen-containing carboxylic acids or phosphoric acids described in JP-A-59-168442, mercapto compounds and metal salts thereof described in JP-A-59-111636, and acetylene compounds described in JP-A-62-87957.
- Silver halides which can be used in the present invention may be spectrally sensitized with methine dyes or other sensitizing dyes.
- Usable sensitizing dyes include cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, hemicyanine dyes, styryl dyes, and hemioxonol dyes. Specific examples of these sensitizing dyes are described in US-A-4,617,257, JP-A-59-180550, JP-A-60-140335, and Research Disclosure 17029 (1978), pp. 12-13.
- the sensitizing dyes may be used either individually or in combination thereof. Combinations of sensitizing dyes are often used for the purpose of supersensitization.
- Photographic emulsions may contain a compound which exhibits no spectral sensitizing effect by itself or absorbs substantially no visible light but which shows supersensitizing effect in combination with the sensitizing dye. Examples of such a compound are described, e.g., in US-A-2,615,641 and JP-A-63-23145.
- the sensitizing dyes may be added to an emulsion during, before or after chemical ripening. They may also be added before or after nucleation of silver halide grains as taught in US-A-4,183,756 and 4,225,666.
- the amount of the sensitizing dye to be added generally ranges from 1 x 10 -8 to 1 x 10 -2 mol, per mol of silver halide.
- Binders to be used in layers constituting each of the light-sensitive material and the dye fixing material are preferably hydrophilic.
- suitable hydrophilic binders are described in JP-A-62-253159, pp. 26-28.
- transparent or semi-transparent binders are preferred.
- Included in such hydrophilic binders are naturally occurring compounds, such as proteins (e.g., gelatin and derivatives thereof), cellulose derivatives, and polysaccharides (e.g., starch, gum arabic, dextran, and pullulan); and synthetic high polymers, such as polyvinyl alcohol, polyvinylpyrrolidone, and acrylamide polymers.
- binder Also useful as a binder are highly water-absorbing polymers described in JP-A-62-245260 including homo- or copolymers of a vinyl monomer(s) having -COOM or -SO 3 M (wherein M is a hydrogen atom or an alkali metal) and copolymers of such a vinyl monomer and other vinyl monomer(s) (e.g., sodium methacrylate, ammonium methacrylate, and Sumikagel L-5H (produced by Sumitomo Chemical Co., Ltd.)). These binders may be used in combinations of two or more thereof.
- use of the above-described highly water-absorbing polymer expedites absorption of water. Further, use of the highly water-absorbing polymer in a dye fixing layer or a protective layer thereof is effective to prevent the transferred dye from being re-transferred from the dye fixing material to other materials.
- the binder is preferably coated in an amount of not more than 20 g/m 2 , more preferably not more than 10 g/m 2 , and most preferably not more than 7 g/m 2 .
- Layers constituting the light-sensitive material or dye fixing material inclusive of a backing layer may contain various polymer latices for improvement of film properties, for example, improvement in dimensional stability, prevention of curling, blocking or cracking, and prevention of pressure sensitization or desensitization.
- any of the polymer latices described in JP-A-62-245258, JP-A-62-136648, and JP-A-62-110066 can be used.
- incorporation of a polymer latex having a low glass transition point (e.g., 40°C or lower) into a mordanted layer is effective to prevent cracking of the mordanted layer, while incorporation of a polymer latex having a high glass transition point into a backing layer produces anticurling effects.
- a polymer latex having a low glass transition point e.g. 40°C or lower
- Reducing agents which can be used in the heat-developable light-sensitive material are selected from those conventional in the field of heat developable light-sensitive materials. Reducing dye donating compounds hereinafter described are also included in reducing agents. The reducing dye donating compound may be used in combination with other reducing agents. In addition, reducing agent precursors which have no reducing effect per se but are capable of exhibiting a reducing effect on reaction with a nucleophilic reagent or on heating at the time of development can also be used.
- an electron transfer agent and/or a precursor thereof may be used in combination to thereby accelerate electron transfer between the non-diffusible reducing agent and the developable silver halide.
- Such an electron transfer agent or a precursor thereof can be selected from the above-described reducing agents or precursors thereof. It is desirable that the electron transfer agent or its precursor has greater mobility than the non-diffusible reducing agent (i.e., electron donor).
- Particularly useful electron transfer agents are 1-phenyl-3-pyrazolidones or aminophenols.
- the non-diffusible reducing agent (electron donor) to be combined with the electron transfer agent is selected from the above-described reducing agents as long as it is substantially immobile in the layer where they belong.
- Suitable examples of such a non-diffusible reducing agent include hydroquinones, sulfonamidophenols, sulfonamidonaphthols, compounds described as electron donors in JP-A-53-110827, and non-diffusible reducing dye donating compounds as hereinafter described.
- the amount of the reducing agent to be used in the present invention usually ranges from 0.001 to 20 mol, and preferably from 0.01 to 10 mol, per mol of silver.
- Typical examples of the dye donating compounds which can be used in the present invention include 2-equivalent couplers having a non-diffusion group as a releasable group and capable of forming a diffusible dye on coupling reaction with an oxidation product of a color developing agent.
- the non-diffusion group may comprise a polymer chain.
- color developing agents and couplers are described in T.H. James, The Theory of the Photographic Process (4th Ed.), pp. 291-334 & 354-361, JP-A-58-123533, JP-A-58-149046, JP-A-58-149047, JP-A-59-111148, JP-A-59-124399, JP-A-59-174835, JP-A-59-231539, JP-A-59-231540, JP-A-60-2950, JP-A-60-2951, JP-A-60-14242, JP-A-60-23474, and JP-A-60-66249.
- dye donating compounds include compounds having a function of imagewise releasing or diffusing a diffusible dye.
- Such compounds can be represented by formula (LI): (Dye-Y) n -Z (LI) wherein Dye represents a dye group, a dye group which has been temporarily shifted to a short wavelength region, or a dye precursor group; Y represents a mere bond or a linking group; Z represents a group which produces a difference in diffusibility of the compound represented by (Dye-Y) n -Z or releases Dye to produce a difference in diffusibility between the thus released Dye and (Dye-Y) n -Z in correspondence or counter-correspondence to light-sensitive silver salts having an imagewise distributed latent image; and n represents 1 or 2.
- n is 2
- two Dye-Y moieties may be the same or different.
- dye donating compounds represented by formula (LI) include the following compounds (i) to (v).
- Compounds (i) to (iii) form a diffusible dye image (positive dye image) in counter-correspondence to development of silver halide, while compounds (iv) and (v) form a diffusible dye image (negative dye image) in correspondence to development of silver halide.
- Preferred examples of the compounds of this type include compounds having an N-X bond (wherein X represents an oxygen, sulfur or nitrogen atom) and an electrophilic group per molecule as described in EP-A-220,746, Technical Disclosure Bulletin 87-6199, US-A-4,783,396, JP-A-63-201653, and JP-A-63-201654, compounds having an SO 2 -X (wherein X is as defined above) and an electrophilic group per molecule as disclosed in US-A-4,840,887 (corresponding to Japanese Patent Application No.
- these compounds are the compounds having an N-X bond and an electrophilic group per molecule.
- Specific examples of the compounds are Compound Nos. (1) to (3), (7) to (10), (12), (13), (15), (23) to (26), (31), (32), (35), (36), (40), (41), (44), (53) to (59), (64), and (70) described in EP-A-220,746 or US-A-4,783,396 and Compound Nos. (11) to (23) described in Technical Disclosure Bulletin 87-6199.
- dye donating compounds which can be used in the present invention include silver dye compounds comprised of an organic silver salt bound to a dye as disclosed in Research Disclosure , Issue of May, 1978, pp. 54-58; azo dyes for use in heat development silver dye bleach process as disclosed in US-A-4,235,957 and Research Disclosure , Issue of Apr., 1976, pp. 30-32; and leuco dyes as described in US-A-3,985,565 and 4,022,617.
- Hydrophobic additives such as dye donating compounds and non-diffusible reducing agents can be introduced into layers of light-sensitive materials by known techniques as described in US-A-2,322,027.
- high-boiling organic solvents e.g., those described in JP-A-59-83154, JP-A-59-178451 to 178455, and JP-A-59-178457, may be used either alone or, if desired, in combination with low-boiling organic solvents having a boiling point of from 50 to 160°C.
- the high-boiling organic solvent is usually used in an amount not more than 10 g, and preferably not more than 5 g, per gram of the dye donating compound; and not more than 1 ml, preferably not more than 0.5 ml, and more preferably not more than 0.3 ml, per gram of the binder.
- the dispersion method using polymerization products as described in JP-B-51-39853 and JP-A-51-59943 is also employed for incorporation of the hydrophobic additives.
- the additive to be introduced is substantially water-insoluble, it may be incorporated into the binder in the form of a finely divided dispersion as well.
- various surface active agents can be made use of.
- surface active agents described in JP-A-59-157636, pp. 37-38 as well as the above-described anionic surface active agents are suitably used.
- the light-sensitive material can contain a compound which serves both to accelerate development and to stabilize an image.
- a compound which can be preferably used are described in US-A-4,500,626, Cols. 51-52.
- Constituent layers of the light-sensitive material and dye fixing material may contain a high-boiling organic solvent as a plasticizer, a slip agent, or an agent for improving releasability between the light-sensitive material and the dye fixing material.
- a high-boiling organic solvent as a plasticizer, a slip agent, or an agent for improving releasability between the light-sensitive material and the dye fixing material.
- suitable high-boiling organic solvents are described in JP-A-62-253159 (p. 25) and JP-A-62-245253.
- silicone oils inclusivee of from dimethyl silicone oil to modified silicon oils comprising dimethylsiloxane having introduced thereinto various organic groups
- silicone oils examples include modified silicone oils of various kinds, and particularly carboxyl-modified silicone oil ("X-22-3710" produced by Shin-Etsu Silicone Co., Ltd.) described in pp. 6-8 of "Modified Silicone Oil", technical data reported by Shin-Etsu Silicone Co., Ltd. Silicone oils described in JP-A-62-215953 and JP-A-63-46449 are also effective.
- the light-sensitive material and dye fixing material may further contain a discoloration inhibitor, such as antioxidants, ultraviolet absorbents, and a certain kind of metal complexes.
- a discoloration inhibitor such as antioxidants, ultraviolet absorbents, and a certain kind of metal complexes.
- antioxidants examples include chroman compounds, coumaran compounds, phenol compounds (e.g., hindered phenols), hydroquinone derivatives, hindered amine derivatives, and spiroindane compounds.
- chroman compounds e.g., chroman compounds
- coumaran compounds e.g., hindered phenols
- hydroquinone derivatives e.g., hindered phenols
- hindered amine derivatives e.g., spiroindane compounds.
- Compounds described in JP-A-61-159644 are also effective.
- ultraviolet absorbents examples include benzotriazole compounds (e.g., those described in US-A-3,533,794), 4-thiazolidone compounds (e.g., those described in US-A-3,352,681), benzophenone compounds (e.g., those described in JP-A-46-2784), and compounds described in JP-A-54-48535, JP-A-62-136641, and JP-A-61-88256.
- Ultraviolet absorbing polymers as described in JP-A-62-260152 are also effective.
- Metal complexes useful as discoloration inhibitors include compounds described in US-A-4,241,155, 4,245,018 (Cols. 3-36), and 4,254,195 (Cols. 3-8), JP-A-62-174741, JP-A-61-88256 (pp. 27-29), JP-A-63-199248, JP-A-1-75568, and JP-A-1-74272.
- the discoloration inhibitor for preventing the dye transferred to a dye fixing material from discoloring may be previously incorporated into the dye fixing material or may be supplied to the dye fixing material externally from, for example, a light-sensitive material.
- antioxidants ultraviolet absorbents and metal complexes may be used in combinations thereof.
- Hardening agents which can be used in layers constituting the light-sensitive material or dye fixing material include those described in US-A-4,678,739 (Col. 41), JP-A-59-116655, JP-A-62-245261, and JP-A-61-18942.
- suitable hardening agents are aldehyde hardening agents (e.g., formaldehyde), aziridine hardening agents, epoxy hardening agents (e.g., vinylsulfone hardening agents (e.g., N,N'-ethylenebis(vinylsulfonylacetamido)ethane), N-methylol hardening agents (e.g., dimethylolurea), and high-molecular weight hardening agents (e.g., the compounds described in JP-A-62-234157).
- aldehyde hardening agents e.g., formaldehyde
- aziridine hardening agents e.g., epoxy hardening agents (e.g., vinylsulfone hardening agents (e.g., N,N'-ethylenebis(vinylsulfonylacetamido)ethane), N-methylol hardening agents (e.g., dimethylolurea), and high-mol
- Layers constituting the light-sensitive material or dye fixing material can contain various surface active agents for the purpose of coating aid, improvement of release, improvement of slip properties, prevention of static charge, and acceleration of development.
- the amount of the anionic surface active agent is adjusted based on the description described above in the present invention.
- Layers constituting the light-sensitive material or dye fixing material can further contain organofluoro compounds for the purpose of improvement of slip properties, prevention of static charge, and improvement of release.
- organofluoro compounds are fluorine-containing surface active agents as described in JP-B-57-9053 (Cols. 8-17), JP-A-61-20944, and JP-A-62-135826, and hydrophobic fluorine compounds, such as oily fluorine compounds (e.g., fluorine oil) and solid fluorine compound resins (e.g., tetrafluoroethylene resin).
- oily fluorine compounds e.g., fluorine oil
- solid fluorine compound resins e.g., tetrafluoroethylene resin
- the light-sensitive material or dye fixing material may also contain a matting agent, such as the compounds described in JP-A-61-88256 (p. 29) (e.g., silicon dioxide, polyolefins, and polymethacrylates), and the compounds described in JP-A-63-274944 and JP-A-63-274952 (e.g., benzoguanamine resin beads, polycarbonate resin beads, and AS resin beads).
- a matting agent such as the compounds described in JP-A-61-88256 (p. 29) (e.g., silicon dioxide, polyolefins, and polymethacrylates), and the compounds described in JP-A-63-274944 and JP-A-63-274952 (e.g., benzoguanamine resin beads, polycarbonate resin beads, and AS resin beads).
- Layers constituting the light-sensitive material or dye fixing material may further contain other additives, such as thermal solvents, defoaming agents, antiseptic biocides, and colloidal silica. Specific examples of these additives are described in JP-A-61-88256, pp. 26-32.
- the light-sensitive material or dye fixing material may furthermore contain image formation accelerators.
- Image formation accelerators have functions to accelerate reduction-oxidation reaction between a silver salt oxidizing agent and a reducing agent, to accelerate dye formation, dye decomposition or release of a diffusible dye from a dye donating compound, and to accelerate transfer of a dye from a light-sensitive layer to a dye fixing layer.
- image formation accelerators are classified into bases or base precursors, nucleophilic compounds, high-boiling organic solvents (oils), thermal solvents, surface active agents, and compounds interacting with silver or silver ion. Note that these groups of substances generally have composite functions to exhibit some of the above-described accelerating effects combined. For details, reference can be made to US-A-4,678,739, Cols. 38-40.
- the light-sensitive material and/or dye fixing material may contain various development stopping agents for the purpose of obtaining images of constant quality irrespective of variations in temperature and time of development.
- development stopping agent means a compound which, after proper development, rapidly neutralizes a base or reacts with a base to reduce the base concentration in the film to thereby stop development or a compound which, after proper development, interacts with silver or a silver salt to inhibit development.
- Examples of such a development stopping agent include acid precursors which release an acid on heating, electrophilic compounds which undergo substitution reaction with a co-existing base on heating, and nitrogen-containing heterocyclic compounds, mercapto compounds and precursors thereof.
- JP-A-62-253159 pp. 31-32 for details, reference can be made to JP-A-62-253159 pp. 31-32.
- Supports which can be used in the light-sensitive material and/or dye fixing material should withstand a processing temperature and generally include paper and synthetic resin films.
- suitable supports are films of polyethylene terephthalate, polycarbonate, polyvinyl chloride, polystyrene, polypropylene, polyimide, and cellulose derivatives (e.g., triacetyl cellulose), films of these synthetic resins having incorporated therein pigments, e.g., titanium oxide, synthetic paper films made of e.g. polypropylene, mixed paper prepared from a synthetic resin pulp (e.g., polyethylene) and a natural pulp, Yankee paper, baryta paper, coated paper (particularly cast coat paper), metals, fabrics and glass.
- a synthetic resin pulp e.g., polyethylene
- coated paper particularly cast coat paper
- These supports may be used either alone or in the form of a sheet laminated with a synthetic high polymer, e.g., polyethylene, on one or both sides thereof.
- a synthetic high polymer e.g., polyethylene
- the surfaces of the support may be coated with a hydrophilic binder and a semiconducting metal oxide (e.g., alumina sol and tin oxide), carbon black or other antistatic agents.
- a hydrophilic binder e.g., alumina sol and tin oxide
- a semiconducting metal oxide e.g., alumina sol and tin oxide
- Image formation or recording on the light-sensitive material by exposure is performed by a process comprising directly photographing scenery or persons with a camera, etc., a process comprising exposing the light-sensitive material to light through a reversal film or a negative film by using a printer or an enlarger, a process comprising exposing an original by scanning through a slit by using an exposing means of a copying machine, etc., a process comprising exposing the light-sensitive material to light emitted from a light-emitting diode (LED) or a laser by electrical signals converted from image information, and a process comprising putting image information into an image display device, e.g., a CRT, a liquid crystal display, an electroluminescence display, and a plasma display, and exposing the light-sensitive material to light emitted therefrom directly or via an optical system.
- an image display device e.g., a CRT, a liquid crystal display, an electroluminescence display, and a plasma display, and
- Light sources for recording images on the light-sensitive material include natural light, a tungsten lamp, an LED, a laser light source, and a CRT light source as described in US-A-4,500,626, Col. 56.
- Imagewise exposure may also be carried out by using a wavelength conversion element comprising a combination of a nonlinear optical material and a coherent light source such as a laser.
- a wavelength conversion element comprising a combination of a nonlinear optical material and a coherent light source such as a laser.
- nonlinear optical material as used herein means a material capable of exhibiting nonlinearity between polarization and an electrical field when a strong opto-electrical field, such as a laser beam, is applied thereto.
- Suitable examples of such a material include inorganic compounds, e.g., lithium niobate, potassium dihydrogenphosphate (KDP), lithium iodate, and BaB 2 O 4 ; urea derivatives; nitroaniline derivatives; nitropyridine-N-oxide derivatives, e.g., 3-methyl-4-nitropyridine-N-oxide (POM), and compounds described in JP-A-61-53462 and JP-A-62-210432.
- Known wavelength conversion elements include a single crystal optical waveguide mode and a fiber mode, both of which can be used in the present invention.
- Image information which can be recorded on the light-sensitive material includes picture signals obtained from a video camera, an electron still camera, etc., TV signals according to Nippon Television Signal Code (NTSC), picture signals obtained by dividing an original into many pixels, and picture signals produced by means of a computer represented by CG or CAD.
- NTSC Nippon Television Signal Code
- the light-sensitive material and/or dye fixing material may have an electrically conductive heating element layer as a heating means for heat development or dye diffusion transfer.
- an electrically conductive heating element layer as a heating means for heat development or dye diffusion transfer.
- transparent or opaque heating elements described in JP-A-61-145544 can be utilized.
- the electrically conductive layer also serves as an antistatic layer.
- the heating temperature for heat development is from 50°C to 250°C and preferably from 80°C to 180°C.
- the dye diffusion transfer process may be carried out simultaneously with or after heat development. In the latter case, transfer can be effected at a temperature of from room temperature up to the heat developing temperature, particularly from 50°C to a temperature about 10°C lower than the heat developing temperature.
- Migration of a dye can be effected only by heat application.
- a solvent may be used to accelerate migration of a dye.
- the light-sensitive material is heated, either after or simultaneously with imagewise exposure, in the presence of a small amount of water as a solvent and a base and/or a base precursor thereby to conduct development and simultaneously or successively transfer a diffusible dye formed on the area corresponding or counter-corresponding to a developed silver image to the dye fixing layer.
- a dye image of high density can be obtained in a short time since formation or release of a diffusible dye proceeds very rapidly, and transfer of the formed or released diffusible dye to a dye fixing layer also proceeds rapidly.
- the amount of water to be used in the above-described embodiment is at least 1/10 the weight of the total coated films of the light-sensitive material and dye fixing material and preferably as small as not more than the weight of water corresponding to the maximum swollen volume of the total coated films, particularly not more than the amount obtained by subtracting the weight of the total coated films from the weight of water corresponding to the maximum swollen volume of the total coated films.
- the amount of water supplied is preferably not more than the weight corresponding to the water volume of the total coated films of both the light-sensitive material and the dye fixing material swollen to the maximum degree. More specifically, water is preferably used in an amount of from 1 to 50 g, more preferably from 2 to 35 g, and most preferably from 3 to 25 g, per m 2 of the total area of the light-sensitive material and the dye fixing material.
- the base and/or base precursor which can be used in this embodiment may be incorporated into either of the light-sensitive material and the dye fixing material. It may also be supplied as dissolved in water to be supplied.
- image formation reaction system means a region where an image formation reaction takes place and includes layers belonging to each of the light-sensitive material and the dye fixing material. When there are two or more layers, any of these layers may be called "image formation reaction system”.
- these two compounds should be added to different layers preferably with at least one layer being interposed therebetween.
- the two compounds are added to different layers each separately provided on the respective support.
- the complexing compound may be supplied as dissolved in water which is supplied as a solvent for image formation.
- the sparingly soluble metallic compound is preferably added as a finely divided dispersion prepared by the method described in JP-A-56-174830 and JP-A-53-102733.
- the dispersion preferably has an average particle size of 50 ⁇ m or less, and more preferably 5 ⁇ m or less.
- the sparingly soluble metallic compound may be added to any one or more layers of the light-sensitive material, such as a light-sensitive layer, an intermediate layer, and a protective layer.
- the amount each of the sparingly soluble metallic compound and complexing compound to be added depends on the kind of the compound, the particle size of the sparingly soluble metallic compound, the rate of complexing, and the like. Usually, it is not more than 50% by weight, preferably from 0.01 to 40% by weight, based on the weight of the coating.
- a preferred concentration ranges from 0.005 to 5 mol/l, and particularly from 0.05 to 2 mol/l.
- the ratio of complexing compound to sparingly soluble metallic compound in the reaction system usually ranges from 1/100 to 100, and preferably from 1/10 to 20, by mole.
- Water can be supplied to a light-sensitive layer or a dye fixing layer in accordance with the method described in JP-A-61-147244.
- Heating for development and/or dye transfer can be carried out by using a heating means, e.g., a heated block or plate, a heating plate, a hot presser or a heat roller, as described in JP-A-61-147244.
- the light-sensitive element and/or dye fixing element may be directly heated by providing a conductive layer made of a conductive material, e.g., graphite, carbon black, and a metal, and passing electricity through the conductive layer.
- JP-A-61-147244 With respect to pressure conditions and processes of pressure application in bringing the light-sensitive material and the dye fixing material into intimate contact, the disclosure of JP-A-61-147244 can be referred to.
- any of various heat developing apparatus can be employed for photographic processing of the photographic element of the present invention.
- suitable apparatus are described in JP-A-59-75247, JP-A-59-177547, JP-A-59-181353, JP-A-60-18951, and JP-A-U-62-25944 (the term "JP-A-U" as used herein means an "unexamined published Japanese utility model application").
- Benzoguanamine resin average particle size: 15 ⁇ m
- the fluorescent brightening agent was used in the form of a gelatin dispersion prepared as follows.
- Fluorescent brightening agent (1) Five grams was dissolved in 140 g of High-boiling organic solvent (2) and 50 ml of ethyl acetate under heating to prepare a uniform solution. The resulting solution was mixed with 300 g of a 20% aqueous solution of lime-processed gelatin and 10.0 g of Surface active agent (1) with stirring, and the mixture was dispersed by means of a ultrasonic dispersing machine.
- Dye fixing materials (1) to (3) and (5) to (32) were prepared in the same manner as for Dye fixing material (4), except that the gelatin dispersion of Fluorescent brightening agent F-30 was replaced with a dispersion prepared in the same manner as described above by using each of the fluorescent brightening agents and high-boiling organic solvents shown in Table 3 below and Surface active agent (1), (4) or (6) for the 2nd layer of the amount shown in Table 3.
- Ratio of positional isomers (o:m:p) 40:12:48
- the multilayer light-sensitive material prepared in Reference Example was exposed to light of a tungsten lamp (5,000 lux) through a gray filter having a continuously varying density.
- the exposed light-sensitive material was forwarded on a line at a linear speed of 20 mm/s while supplying water to the emulsion surface thereof at a rate of 15 ml/m 2 with a wire bar and, immediately thereafter, each of Dye fixing materials (1) to (32) was brought into intimate contact with the light-sensitive material in such a manner that the coated surfaces faced to each other.
- the film unit was heated for 15 seconds by means of a heat roller set at such a temperature that the film having absorbed water was heated to 80°C.
- the light-sensitive material was then stripped off the dye fixing material to thereby obtain a gray image on the dye fixing material.
- the maximum density D max of the image formed on the dye fixing material was measured with a densitometer ("FCD-3" manufactured by Fuji Photo Film Co., Ltd.). Then, the dye fixing material was allowed to stand under a fluorescent lamp (15,000 lux) for 4 weeks, and the maximum density D' max was measured again. A D' max to D max ratio was obtained.
- Releasability between the light-sensitive material and dye fixing material was systemically evaluated from how much force was required for releasing, whether or not the surface of the dye fixing material suffered from peeling on releasing, or whether or not the film of the light-sensitive material remained on the dye fixing material after releasing.
- the dye fixing materials according to the present invention in which a total amount of anionic surface active agents used falls within a specific range exhibit satisfactory releasability and surface gloss.
- the total amount of surface active agents is less than the specified range (Sample Nos. 1 and 20)
- the dye fixing materials have deteriorated releasability.
- the surface gloss of these samples is reduced with time. The reason to which these results are ascribed is not clear, but it is believed that the stability of the fluorescent brightening agent dispersion is reduced thereby to accelerate precipitation of oil-soluble components.
- a gelatin aqueous solution was prepared from 800 ml of water, 20 g of gelatin, 3 g of potassium bromide, and 0.3 g of HO(CH 2 ) 2 S(CH 2 ) 2 S(CH 2 ) 2 OH, and the solution was kept at 55°C with stirring. Solutions (I) and (II) shown below were simultaneously added to the gelatin aqueous solution over 30 minutes. Then, Solutions (III) and (IV) shown below were added thereto over 20 minutes. After 5 minutes from the start of the addition of Solutions (III) and (IV), a dye solution prepared by dissolving 0.12 g each of Dyes (a) and (b) shown below in 160 ml of methanol was added thereto over 18 minutes.
- Emulsion (I) After washing with water and desalting, 20 g of lime-processed osseous gelatin was added thereto, and the emulsion was adjusted to a pH of 6.2 and a pAg of 8.5. To the emulsion were added sodium thiosulfate, 4-hydroxy-6-methyl-1,3,3a,7-tetraazaindene, and chloroauric acid to conduct optimal chemical sensitization to prepare 600 g of a mono-dispersed tetradecahedral silver iodobromide emulsion having a mean grain size of 0.40 ⁇ m. The resulting emulsion was designated Emulsion (I).
- An aqueous gelatin solution was prepared from 730 ml of water, 20 g of gelatin, 0.30 g of potassium bromide, 6 g of sodium chloride, and 0.015 g of Compound (A) shown below, and the solution was kept at 60.0°C under stirring.
- To the gelatin aqueous solution were added simultaneously Solutions (I) and (II) shown below at constant flow rates over 60 minutes.
- 77 ml of a methanol solution containing 0.23 g of Sensitizing Dye (c) shown below was added thereto to obtain a mono-dispersed cubic grain emulsion having a mean grain size of 0.45 ⁇ m.
- a gelatin aqueous solution was prepared from 800 ml of water, 20 g of gelatin, 1 g of potassium bromide, and 0.5 g of OH(CH 2 ) 2 S(CH 2 ) 2 OH, and the solution was kept at 50°C under stirring.
- Solutions (I), (II), and (III) shown below were simultaneously added Solutions (I), (II), and (III) shown below at constant feed rates over a period of 30 minutes to prepare a mono-dispersed emulsion of silver bromide grains having a mean grain size of 0.42 ⁇ m having dyes adsorbed thereon.
- Emulsion (III) After washing with water and desalting, 20 g of lime-processed osseous gelatin was added to the emulsion, and the emulsion was adjusted to a pH of 6.4 and a pAg of 8.2. To the emulsion kept at 60°C were added 9 mg of sodium thiosulfate, 190 mg of 4-hydroxy-6-methyl-1,3,3a,7-tetraazaindene, and 6 ml of a 0.01% aqueous solution of chloroauric acid to conduct chemical sensitization for 45 minutes. The yield of the emulsion was 635 g. The resulting emulsion was designated Emulsion (III).
- Solution I Solution II Solution III AgNO 3 100 g - - KBr - 70 g - Dye (d) - - 40 mg Dye (e) - - 80 mg Water to make 450 ml 400 ml - Methanol to make - - 60 ml
- a mixture of a yellow, magenta or cyan dye donating compound, an electron donor, a high-boiling organic solvent, and an electron transfer agent precursor as formulated below was dissolved in 50 ml of ethyl acetate under heating at about 60°C to form a uniform solution.
- the resulting solution was mixed with 100 g of a 10% aqueous solution of lime-processed gelatin, 50 ml of water, and 0.6 g of sodium dodecylbenzenesulfonate by stirring, and the mixture was dispersed in a homogenizer at 10,000 rpm for 10 minutes to prepare a gelatin dispersion of the respective dye donating compound.
- Electron Transfer Agent Precursor (3) (1):
- Electron donor (4) shown below To 30 ml of ethyl acetate were added 23.6 g of Electron donor (4) shown below and 8.5 g of High-boiling solvent (2) shown above to form a uniform solution.
- the resulting solution was mixed with 100 g of a 10% aqueous solution of lime-processed gelatin, 0.25 g of sodium hydrogensulfite, 0.3 g of sodium dodecylbenzenesulfonate, and 30 ml of water with stirring, and the mixture was dispersed in a homogenizer at 10,000 rpm for 10 minutes.
- Electron transfer agent (8) shown below To a 5% gelatin aqueous solution were added 10 g of Electron transfer agent (8) shown below, 0.5 g of polyethylene glycol nonylphenyl ether as a dispersing agent, and 0.5 g of Anionic surface active agent (6) shown below, and the mixture was ground in a mill by using glass beads of 0.75 mm in diameter for 60 minutes. The glass beads were separated to obtain a dispersion of the electron transfer agent having an average particle size of 0.3 ⁇ m.
- a heat developable color light-sensitive material having the following layer structure was prepared by using the above prepared silver halide emulsions and dispersions of various additives.
- Emulsion (I) 380 mg of Ag/m 2 Yellow dye donating compound (1) 400 mg/m 2 Gelatin 600 mg/m 2 Electron donor (1) 308 mg/m 2 High-boiling solvent (2) 200 mg/m 2 Electron transfer agent precursor (3) 15 mg/m 2 Zinc hydroxide 330 mg/m 2 Antifoggant (6) 0.6 mg/m 2 Surface active agent (7) 18 mg/m 2 Water-soluble polymer 13 mg/m 2
- Emulsion (II) 220 mg of Ag/m 2 Magenta dye donating substance (2) 365 mg/m 2 Gelatin 310 mg/m 2 Electron donor (1) 158 mg/m 2 High-boiling solvent (2) 183 mg/m 2 Electron transfer agent precursor (3) 15 mg/m 2 Electron transfer agent (8) 27 mg/m 2 Surface active agent (7) 13 mg/m 2 Water-soluble polymer 11 mg/m 2 Antifoggant (6) 0.8 mg/m 2
- Antifoggant (6)
- Example 1 The dye fixing materials obtained in Example 1 were tested in the same manner as in Example 1, except for replacing the light-sensitive material of Reference Example with the light-sensitive material of Example 1 of JP-A-63-316848. As a result, substantially the same results as in Example 1 were obtained.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Paper (AREA)
Claims (7)
- Material zum Fixieren von Farbstoffen, umfassend einen Träger und eine Schicht zum Fixieren von Farbstoffen, die einen diffusionsfähigen Farbstoff aufnehmen kann, der bei der Wärmeentwicklung in einem wärmeentwickelbaren lichtempfindlichen Material gebildet wurde, wobei das Material zum Fixieren von Farbstoffen auf der Seite des Trägers, auf der die Schicht zum Fixieren von Farbstoffen aufgebracht ist, einen öllöslichen Fluoreszenzaufheller und mindestens ein anionisches oberflächenaktives Mittel enthält, wobei die Gesamtmenge des anionischen oberflächenaktiven Mittels in den Schichten auf der Seite des Trägers, auf der die Schicht zum Fixieren der Farbstoffe aufgebracht ist, im Bereich von 25 bis 150 mg/m2 liegt.
- Material zum Fixieren von Farbstoffen nach Anspruch 1, worin der öllösliche Fluoreszenzaufheller in Form einer Dispersion in einem Dispersionsmedium vorliegt, umfassend ein hochsiedendes organisches Lösungsmittel.
- Material zum Fixieren von Farbstoffen nach Anspruch 2, worin das Dispersionsmedium zwei oder mehrere hochsiedende organische Lösungsmittel umfaßt.
- Material zum Fixieren von Farbstoffen nach Anspruch 2, worin das hochsiedende organische Lösungsmittel Phthalsäureester oder chlorierte Paraffine umfaßt.
- Material zum Fixieren von Farbstoffen nach Anspruch 1, worin der Fluoreszenzaufheller in dem Material zum Fixieren von Farbstoffen in einer Menge von 0,1 bis 200 mg/m2 vorliegt.
- Material zum Fixieren von Farbstoffen nach Anspruch 1, worin der Fluoreszenzaufheller ausgewählt ist aus der Gruppe, bestehend aus Stilbenverbindungen, Cumarinverbindungen, Biphenylverbindungen, Benzoxazolylverbindungen, Naphthalimidverbindungen, Pyrazolinverbindungen und Carbostyrilverbindungen.
- Material zum Fixieren von Farbstoffen nach Anspruch 1, worin das oder die anionische(n) oberflächenaktive(n) Mittel durch mindestens eine der Formeln (I) bis (IX) dargestellt ist/sind:
R1-O-SO3M (V)
worin R1 und M die gleiche Bedeutung wie oben haben;
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP282316/89 | 1989-10-30 | ||
JP1282316A JP2714699B2 (ja) | 1989-10-30 | 1989-10-30 | 色素固定材料 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0426087A2 EP0426087A2 (de) | 1991-05-08 |
EP0426087A3 EP0426087A3 (en) | 1992-01-02 |
EP0426087B1 true EP0426087B1 (de) | 1997-01-22 |
Family
ID=17650827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90120741A Expired - Lifetime EP0426087B1 (de) | 1989-10-30 | 1990-10-29 | Material zur Fixierung von Farbstoffen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0426087B1 (de) |
JP (1) | JP2714699B2 (de) |
DE (1) | DE69029783T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5254433A (en) * | 1990-05-28 | 1993-10-19 | Fuji Photo Film Co., Ltd. | Dye fixing element |
JP2700738B2 (ja) * | 1991-12-10 | 1998-01-21 | 富士写真フイルム株式会社 | 色素固定要素 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386761A2 (de) * | 1989-03-09 | 1990-09-12 | Fuji Photo Film Co., Ltd. | Wärmeentwickelbares lichtempfindliches Farbmaterial |
EP0411466A2 (de) * | 1989-08-01 | 1991-02-06 | Fuji Photo Film Co., Ltd. | Wärmeentwickelbares farbphotographisches lichtempfindliches Material |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845014B2 (ja) * | 1977-08-16 | 1983-10-06 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
JPS60134232A (ja) * | 1983-12-22 | 1985-07-17 | Fuji Photo Film Co Ltd | ハロゲン化銀写真印画紙 |
JPS61124939A (ja) * | 1984-11-22 | 1986-06-12 | Fuji Photo Film Co Ltd | ハロゲン化銀感光材料 |
JPS61143752A (ja) * | 1984-11-24 | 1986-07-01 | Fuji Photo Film Co Ltd | 色素固定材料 |
JPS62173463A (ja) * | 1986-01-28 | 1987-07-30 | Fuji Photo Film Co Ltd | 画像形成方法 |
JP2561824B2 (ja) * | 1986-12-10 | 1996-12-11 | コニカ株式会社 | 白さが改良された熱転写用受像要素 |
JPH01159655A (ja) * | 1987-12-17 | 1989-06-22 | Fuji Photo Film Co Ltd | 画像形成方法 |
-
1989
- 1989-10-30 JP JP1282316A patent/JP2714699B2/ja not_active Expired - Fee Related
-
1990
- 1990-10-29 EP EP90120741A patent/EP0426087B1/de not_active Expired - Lifetime
- 1990-10-29 DE DE1990629783 patent/DE69029783T2/de not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386761A2 (de) * | 1989-03-09 | 1990-09-12 | Fuji Photo Film Co., Ltd. | Wärmeentwickelbares lichtempfindliches Farbmaterial |
EP0411466A2 (de) * | 1989-08-01 | 1991-02-06 | Fuji Photo Film Co., Ltd. | Wärmeentwickelbares farbphotographisches lichtempfindliches Material |
Also Published As
Publication number | Publication date |
---|---|
DE69029783D1 (de) | 1997-03-06 |
JPH03144447A (ja) | 1991-06-19 |
DE69029783T2 (de) | 1997-05-07 |
JP2714699B2 (ja) | 1998-02-16 |
EP0426087A2 (de) | 1991-05-08 |
EP0426087A3 (en) | 1992-01-02 |
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