US3698907A - Light-sensitive silver halide color-photographic material - Google Patents

Light-sensitive silver halide color-photographic material Download PDF

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Publication number
US3698907A
US3698907A US101141A US3698907DA US3698907A US 3698907 A US3698907 A US 3698907A US 101141 A US101141 A US 101141A US 3698907D A US3698907D A US 3698907DA US 3698907 A US3698907 A US 3698907A
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United States
Prior art keywords
absorber
light
silver halide
exemplified
photographic material
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Expired - Lifetime
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US101141A
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English (en)
Inventor
Shui Sato
Sadao Sugita
Tomio Nakajima
Keiji Kasai
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Konica Minolta Inc
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Konica Minolta Inc
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Publication date
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Publication of US3698907A publication Critical patent/US3698907A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/815Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
    • G03C1/8155Organic compounds therefor

Definitions

  • UV-absorber to be used for such purpose as mentioned above should be colorless or substantially colorless, in general, and be inert to other photographic additives and various treating liquids, and are required to be excellent in UV-absorbing property and stable to UV-light.
  • those of the hydroxybenzotriazole type have been known as excellent UV-absorbers.
  • the hydroxybenzotriazole type UV-absorbers display their excellent UV-absorbing properties when dispersed according to the solvent dispersion method into the layers constituting light-sensitive color-photographic materials.
  • the solvent dispersion method is effective for finely and uniformly dispersing a non-diffusing aromatic compound in non-crystalline form into a hydrophilic binder, and is carried out in such a manner that a non-diffusing aromatic compound is added to an organic solvent comprising a difiicultly watersoluble high boiling solvent or a mixture thereof with a low boiling solvent and then dispersed in a hydrophilic binder.
  • the hydroxybenzotriazole type UV-absorber has excellent solubility for the abovementioned organic solvent. For this reason, there has been adopted such a procedure that an oleophilic group of a relatively long chain is introduced into the hydroxybenzotriazole type UV-absorber to enhance the solubility thereof for said organic solvent. Due to introduction of 3,698,907 Patented Oct. 17, 1972 the oleophilic group, however, the UV-absorber is increased in molecular weight, but does not change in fundamental structure for UV-absorption.
  • the UV-absorber cannot display the same UV-absorbing effect as attained before introduction of the oleophilic group, unless the amount of the UV-absorber is increased. If the amount of the UV-absorber is increased, however, there are brought about coloration, staining and the like drawbacks.
  • R R R R and R are individually a hydrogen or a halogen atom, or an alkyl, cycloalkyl, alkoxy, aryl, carbalkoxy or alkylsulfonic group, is used in combination with a compound of the general Formula II,
  • R and R are individually hydrogen, alkyl, alkoxy or acyl group; X is -C() or COO--; and n is 1 or 2, the UV-absorber shows prominent solubility for an organic solvent comprising a diflicultly watermiscible high boiling solvent or a mixture thereof with a low boiling solvent.
  • groups R R and R in the above-mentioned general Formula I may be less in number of carbon atoms, so that when incorporated with the above-mentioned hydroxybenzotriazole type UV-absorber, a lightsensitive silver halide photographic material can be prevented from deterioration in photographic properties due to increase in amount of UV-absorber or organic solvent, can retain the UV-absorber stably and can give a colored dye image which has been improved in light fastness.
  • each of the groups R R and R has 6 or less carbon atoms and the sum of the carbon atoms of R R and R is 8 or less.
  • a hydroxybenzotriazole type UV-absorber containing substituents having such a small number of carbon atoms can also be dissolved quite successfully in the organic solvent used in the solvent dispersion method due to the presence of a compound of the general Formula II.
  • Table 1 set forth below shows the results obtained by comparing the amount, necessary for dissolving 1 g. of a UV-absorber of the general Formula I, of a solvent comprising dibutyl phthalate alone with that of a solvent comprising a 1:1 mixture of dibutyl phthalate and a compound of the general Formula II, and the results obtained by measuring the time required for each of the resulting solution to deposit the UV-absorber when stored at C.
  • Table 2 shows the results obtained by measuring the variation in time required for deposition of UV- fear of deposition of the UV-absorber or no such fear as coloration or staining due to increase in amount of the absorber when each of the solvents set forth in Table 1 UV-absorber; and there is no such fear'that the resulting was used in excess of the required amount.
  • the hydroxybenzotriazole type UV-absorber of the general Formula I when used in the solvent dispersion method in combination with the compound of the general Formula II, there can be attained such advantages that not only the amount of the organic solvent used but also the amount of the UV-absorber can be decreased; the UV-absorber can be stably dispersed without any fear of deposition, so that even during the prepara tion and storage of a light-sensitive silver halide colorphotographic material incorporated therewith, there is no inhibited from penetration of various photographic treating liquids due to increase in amount of the organic solvent used.
  • hydroxybenzotriazole type UV- absorbers of the general Formula I are as follows:
  • a light-sensitive silver halide color-photographic material incorporated with said compounds may be prepared by dissolving a mixture of the compounds of the Formula I and II in suitable proportions in a difficultly water-riscible high boiling solvent, if necessary in admixture with a low boiling solvent as an auxiliary solvent, dispersing the resulting solution into an aqueous gelatin solution by use of a suitable surface active agent, adding the thus formed dispersion to an aqueous gelatin solution for forming a silver halide photographic emulsion layer or other layer, and then subjecting the resulting mixture to ordinary process for preparing a light-sensitive silver halide color-photographic material.
  • a low boiling solvent has been used as the auxiliary solvent, it may be removed by the water-washing treatment carried out after cooling, setting and finely dividing the dispersion, by the heating of the dispersion or by the drying treatment carried out during preparation of the photographic material.
  • the silver halide photographic emulsion to he employed in the above case may be any of silver chloride, silver bromide and silver iodobromide emulsions. These emulsions may have been subjected to gold, sulfur or the like chemical sensitization and to color sensitization, and may have been incorporated with stabilizers, vehicles, hardeners, couplers, anti-stain agents, brightening agents and antioxidants.
  • the amount of the UV-absorber of the general Formula I is adequately 1 to mg. per 100 cm. of the area to be coated, and the amount of the compound of the general Formula II is desirably 0.1 to 2 parts per part of the UV-absorber. Further, the amount of the organic solvent necessary to dissolve said compounds is preferably substantially equal to that of the compound of the general Formula II.
  • the organic solvent used in the solvent dispersion method may be any of the conventional solvents.
  • Typical examples of the difiicultly water-miscible high boiling solvent include di-n-butyl phthalate, benzyl phthalate, triphenyl phosphate, tri-o-cresyl phosphate, diphenyl-monop-t-butylphenyl phosphate, monophe'nyl-di-p-t-bu-tylphenyl phosphate, diphenyl-mono-o-chlorophenyl phosphate and tri-p-t-butyl phenyl phosphate.
  • Typical examples of the low boiling solvent include methyl acetate, ethyl acetate, propyl acetate, n-butyl acetate, ethyl propionate, carbon tetrachloride, chloroform, methanol, ethanol, dimethylformamide, dioxane and methyl Cellosolve acetate.
  • Light-sensitive silver halide color-photographic materials of the present invention which are prepared in the above manner have such excellent characteristics as mentioned previously and, when subjected to ordinary color development, can give colored dye images which have been markedly improved in light fastness.
  • EXAMPLE 1 A green-sensitive gelatinous silver chlorobromide emulsion containing a magenta coupler was coated on a photographic baryta paper and then dried to form a light-sensitive emulsion layer.
  • samples (1) to (6) were prepared. (Provided that the sample (1) contained only the gelatin solution, and the sample (2) contained only the UV-absorber.)
  • Trio-eresy1 phosphate 0.5 cc. Exempllfied UV-absorder 3..-. 1 g. 4 - ⁇ Exemplified compound 12.-... 0.5 g. 89 0.03 0.06 Do.
  • Tri-o-cresyl phosphate 0.5 cc.
  • Tri-o-cresyl phosphate 0.5 cc.
  • This gelatin dispersion ner as in Example 1 the exemplified UV-absorber (5) of was coated on the aforesaid green-sensitive emulsion laythe Formula I and each of the exemplified compounds (6), er so that the amount of the UV-absorber became 0.5 mg. 13), (18) and (26) of the Formula II. Subsequently, per 100 cmfi, and then dried to form an interlayer. the emulsion was coated on a photographic baryta pa- On this interlayer was further coated a blue-sensitive per so that the amount of the UV-absorber (5) besilver chlorobromide emulsion containing a yellow coucame 8.2 mg.
  • sample (13) was a so-called blank sample which had only a gelatin inter- TABLE 5 Fade-O-meter exposure Green density lowerltng Strain density ra o Amount (D/DoXlOO), Before After State of Sample number Content of emulsion added percent test test surface 7 gon-adlliigltignfi.g -.fi ns 15 0. 04 0. l4 Unchanged.
  • Tri-o-cresyl phosphate 0.5 cc.
  • Trl-o-oresyl phosphate 0.5 cc.
  • Trl-o-cresyl phosphate 0.5 cc.
  • Trl-ocresyl phosphate 0.5 cc.
  • Exempllfied UV-absorber 1 1 g. 16
  • a light-sensitive silver halide color-photographic material characterized by having a layer incorporated with a dispersion, in an organic solvent comprising a diflicultly water-miscible high boiling solvent or a mixture thereof with a low boiling solvent, of at least one UUV-absorber of the general Formula I wherein R R R R and R are individually a hydrogen or halogen atom or an alkyl, cycloalkyl, alkoxy, aryl, carbalkoxy or alkylsulfonic group, and at least one compound of the general Formula II alkoxy, or acyl group; X is CO or -C00-: and n is 1 or 2.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
US101141A 1969-12-29 1970-12-23 Light-sensitive silver halide color-photographic material Expired - Lifetime US3698907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44105148A JPS4830493B1 (enrdf_load_stackoverflow) 1969-12-29 1969-12-29

Publications (1)

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US3698907A true US3698907A (en) 1972-10-17

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US (1) US3698907A (enrdf_load_stackoverflow)
JP (1) JPS4830493B1 (enrdf_load_stackoverflow)
DE (1) DE2063861A1 (enrdf_load_stackoverflow)
GB (1) GB1336300A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923519A (en) * 1972-01-03 1975-12-02 Polaroid Corp U.V. light absorbers in supports of integral diffusion transfer film units
US4009038A (en) * 1974-05-23 1977-02-22 Fuji Photo Film Co., Ltd. Silver halide color photographic materials
US4148648A (en) * 1977-02-16 1979-04-10 Polaroid Corporation Diffusion transfer elements comprising U V light absorbers
US4456681A (en) * 1982-05-28 1984-06-26 Konishiroku Photo Industry Co., Ltd. Color photographic materials
US4518686A (en) * 1982-06-05 1985-05-21 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material containing UV filter compounds
US4540656A (en) * 1982-06-01 1985-09-10 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material
US4865957A (en) * 1985-10-17 1989-09-12 Fuji Photo Film Co., Ltd. Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers
US5455152A (en) * 1994-09-27 1995-10-03 Eastman Kodak Company Benzotriazole based UV absorbing monomers and photographic elements containing polymers formed from them
US5538842A (en) * 1993-07-02 1996-07-23 Fuji Photo Film Co., Ltd. Silver halide color photographic light-sensitive material
USRE37693E1 (en) * 1982-06-05 2002-05-07 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material containing UV filter compounds

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547584A (en) * 1983-12-29 1985-10-15 General Foods Corporation 3-Hydroxy-4-methoxyphenyl benzoates

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923519A (en) * 1972-01-03 1975-12-02 Polaroid Corp U.V. light absorbers in supports of integral diffusion transfer film units
US4009038A (en) * 1974-05-23 1977-02-22 Fuji Photo Film Co., Ltd. Silver halide color photographic materials
US4148648A (en) * 1977-02-16 1979-04-10 Polaroid Corporation Diffusion transfer elements comprising U V light absorbers
US4456681A (en) * 1982-05-28 1984-06-26 Konishiroku Photo Industry Co., Ltd. Color photographic materials
US4540656A (en) * 1982-06-01 1985-09-10 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material
US4518686A (en) * 1982-06-05 1985-05-21 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material containing UV filter compounds
USRE37693E1 (en) * 1982-06-05 2002-05-07 Konishiroku Photo Industry Co., Ltd. Color photographic light-sensitive material containing UV filter compounds
US4865957A (en) * 1985-10-17 1989-09-12 Fuji Photo Film Co., Ltd. Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers
US5538842A (en) * 1993-07-02 1996-07-23 Fuji Photo Film Co., Ltd. Silver halide color photographic light-sensitive material
US5455152A (en) * 1994-09-27 1995-10-03 Eastman Kodak Company Benzotriazole based UV absorbing monomers and photographic elements containing polymers formed from them
US5554759A (en) * 1994-09-27 1996-09-10 Eastman Kodak Company Benzotriazole based uv absorbing monomers and photographic elements containg polymers formed them

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Publication number Publication date
DE2063861A1 (de) 1971-07-01
GB1336300A (en) 1973-11-07
JPS4830493B1 (enrdf_load_stackoverflow) 1973-09-20

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