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
  • G03C1/00—Photosensitive materials
  • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
  • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
  • G03C1/08—Sensitivity-increasing substances
  • G03C1/10—Organic substances
• • 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
  • G03C1/00—Photosensitive materials
  • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
  • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
  • G03C1/08—Sensitivity-increasing substances
  • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

Definitions

• the compound of formula (I) has two or more substituted groups, these groups can either be identical or different.
• two substituted groups are ones substituted on adjacent carbon atoms of benzene ring, they are combined, forming 5-, 6- or 7-membered carbon ring or heterocyclic ring which is either saturated or unsaturated.
• R2 and R3 are hydrogen atoms, substituted or unsubstituted alkyl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted heterocyclicsulfonyl group, substituted or unsubstituted heterocycliccarbonyl group, substituted or unsubstituted sulfamoyl group, or substituted or unsubstituted carbamoyl group.
• R2 and R3 can either be identical or different. They can be combined, thus forming nitrogen-containing hetero ring. (For example, they are: morpholino group, pyperrilidino group, pyrrolidino group, or imidazolyl group.)
• the substituent group can be one described for R2, R3, or R4.
• R1, Y, L, and m are identical to those included in formula (I)
• X3 is identical to X1 and X2 included in formula (I)
• R5 is a hydrogen atom or a group which can substitute the hydrogen atom on a benzene ring.
• the group, which can substitute, is selected from those substituting groups represented for A .
• R5s is either identical or different.
• the ring formed by R8 and R9, the ring formed by R9 and R10, the ring formed by R10 and R11, and the ring formed by R11 and R8 are preferably 4- to 8-membered rings.
• R8, R9, R10, and R11 are preferably hydrogen atoms, substituted or unsubstituted alkyl group, substituted or unsubstituted aryl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted acyl group, and substituted or unsubstituted carbamoyl group.
• sulfur sensitization it is desirable that sulfur sensitization be applied, too.
• known labile sulfur compounds such as thiosulfates (e.g., hypo), thioureas (e.g., diphenylthiourea, triethylthiourea, arylthiourea), and rhodanines, can be used in an amount of 10 ⁇ 7 to 10 ⁇ 2 mol per mol of silver halide.
• stannous chloride aminoiminomethanesulfonic acid, hydrazine derivaltive, borane derivative, silane compound, polyamine compound, and the like can be used.
• active halogen compounds e.g., 2,4-dichlor-6-hydroxy-1,3,5-triazine and its soldium salt
• active vinyl compounds e.g., 1,3-bisvinylsulfonyl-2-propanol, 1,2-bis(vinylsufonyl acetoamide) ethane, bis(vinylsulfonyl methyl) eter, and vinyl-series polymer having vinylsulfonyl group at side chains
• Nuclei having a ketomethylene structure can be used in a merocyanine dye or a composite merocyanine dye.
• these nuclei are 5- or 6-membered heterocyclic nuclei, such as a pyrazoline-5-one nucleus, a thiohydantoin nucleus, a 2-thioxazolidine-2,4-dione nucleus, a thiazolidine-2,4-dione nucleus, a rhodanine nucleus, and a thiobarbituric acid nucleus can be used as a nucleus having a ketomethylene structure.
• the light-sensitive material according to the invention can contain a coating aid and one or more sufactants.
• Surfactants are used for various purposes, for preventing electric charging, for improving sliping property, for dispersing the emulsion, for preventing adhesion, and for improving photographic properties (e.g., development speed, degree of contrast, degree of sensitization).
• emulsion layers sensitive to the same color can be each formed of two or more layers having different sensitivities, to have an increased sensitivity. Further, three emulsion layers can be combined, thereby forming a layer having an improved graininess. Moreover, a non-light-sensitive layer can be interposed between any two adjacent emulsion layers sensitive to the same color. Still further, an emulsion layer sensitive to a color can be interposed between any adjacent emulsion layers sensitive to another color. Furthermore, a reflection layer containing fine silver halide grains can be provided below a high-sensitive layer, particularly, a layer highly sensitive to blue, thereby to improve the photographic properties of the photographic light-sensitive material.
• a compound which can react with, and can set, formaldehyde described in U.S. Patent 4,411,987 or 4,435,503, is preferably added to the light-sensitive material.
• Satabilization is performed in some cases, after the water-washing, in, for example, a formalin bath which is used as final bath of the color photographic light-sensitive materials.
• an aqueous silver nitrate solution (AgNO3, 3.2 g) and a KI aqueous solution (KI, 2.3 g) were added to the cooled solution, over a period of 5 minutes by the double jet method. Further, an aqueous silver nitrate solution (AgNO3, 25.4 g) and a KI aqueous solution were added to the solution, over a period of 5.35 minutes by the double jet method, while maintaining the silver potential at -50 mV with respect to the saturated calomel electrode, thereby preparing an emulsion. The emulsion was desalted and added with gelatin.
• emulsion E contained tabular grains having an average sphere-equivalent diameter of 1.21 ⁇ m, an average thickness of 0.197 ⁇ m, an average aspect ratio of 6.14, and a variation coefficient in circule equivalent diameter of 17%.
• All layers mentioned above contained W-1, W-2, W-3, B-4, B-5, F-1, F-2, F-3, F-4, F-5, F-6, F-8, F-9, F-10, F-11, F-12, F-13, iron salt, lead salt, gold salt, platinum salt, iridium salt, and rhodium salt, so that they may have improved storage stability, pressure-resistance, antifugal property, antibacterial property, anti-charging property and coating property.
• Samples 101 to 107 were left to stand for 14 hours at 40°C at reltive humidity of 70%. Thereafter, they were exposed to white light for 1/100 second, using a wedge. Samples 101 to 107, thus exposed, were developed by the method specified below, and subjected to density measuring. The results were as is shown in Table 2.
• Samples 101 to 107 were subjected to pressure-resistance test in the following manner. The samples were left to stand for at least 3 hours in an atmosphere having relative humidity of 55%. Then, in the same atmosphere, a load of 4 g was applied to each sample with a stylus having a diameter of 0.1 mm, and the stylus was moved at speed of 1 cm/sec, thereby scratching the surface of the emulsion layer. Samples 101 to 107 were develop and subjected to density measuring, which was performed by means of an aperture having a diameter of 25 ⁇ m.

Landscapes

• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• General Physics & Mathematics (AREA)
• Silver Salt Photography Or Processing Solution Therefor (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=18018516

Family Applications (1)

Country Status (3)

Cited By (4)

Families Citing this family (1)

Citations (5)

Family Cites Families (3)

• 1990
  • 1990-11-19 JP JP2311544A patent/JP2641982B2/ja not_active Expired - Fee Related
• 1991
  • 1991-11-19 DE DE1991626405 patent/DE69126405T2/de not_active Expired - Fee Related
  • 1991-11-19 EP EP91119735A patent/EP0488029B1/fr not_active Expired - Lifetime

Patent Citations (5)

Also Published As

Similar Documents

Legal Events