摘要:
A silver halide photographic material is disclosed, comprising a hydrophilic layer containing a dye dispersed in a solid particle form therein on at least one side of a support and at least one silver halide emulsion layer, wherein the coating weight of hydrophilic colloid in said layer containing a dye dispersed in a solid particle form therein is from 0.05 to 0.5 g/m.sup.2 and the total coating weight of hydrophilic colloid on each side of said support is from 0.5 to 3 g/m.sup.2.
摘要:
The present invention provides a photographic element comprising a dimensionally stable hydrophobic transparent polyester film support, at least one light-sensitive silver halide emulsion layer, and at the side of said support opposite to that of said emulsion layer(s), a subbing layer essentially consisting of poly-N-vinyl pyrrolidone, and an antihalation layer comprising carbon black dispersed in a water-insoluble alkali-soluble copolymer of 1 to 65% by weight of a C.sub.1 -C.sub.4 alkyl methacrylate, 10 to 79% by weight of a C.sub.1 -C.sub.8 alkyl acrylate, and 10 to 50% by weight of acrylic acid or methacrylic acid. The present invention also provides a process of manufacturing a dimensionally stable hydrophobic transparent polyester film support carrying a subbing layer and an alkali-soluble carbon black antihalation layer, said process comprising monoaxially stretching an extruded amorphous polyester film, coating it with an aqueous solution of poly-N-vinyl pyrrolidone to form said subbing layer, drying it, stretching it together with said film in a direction perpendicular to that of the first stretching, heat-setting, coating the film support with an aqueous dispersion of carbon black in said above-mentioned water-insoluble alkali-soluble copolymer to form said alkali-soluble antihalation layer.
摘要:
A silver halide light-sensitive photographic material having an improved safe-light insensitivity and, therefore, capability of being easily handled in the light room is disclosed. The material comprises a support; at least one silver halide emulsion layer being provided on one side of the support and containing silver halide grains containing at least 50 mol % of silver chloride, 10.sup.-4 to 10.sup.-8 mol per 1 mol of silver halide of a rhodium salt and a desensitizing dye; and at least one hydrophilic colloidal layer being provided on the other side of the support and containing at least one dye so that the absorbancy of the dye at the maximum spectral sensitivity wavelength (.lambda.max) of the densenitizing dye is not less than 0.3 and the absorbance ratio at the maximum spectral sensitivity wavelength against that at 450 nm is not less than 0.2.
摘要:
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein said emulsion layer or other hydrophilic colloid layer contains a colored polymer matting agent. The colored matting agent comprises a dye adsorbed to a polymer. The dye is selected to adsorb light in the same wavelength region that to which the photographic material is exposed. Use of the present invention inhibits the occurrence of black spots.
摘要:
Method for the preparation of stable aqueous dispersions of finely divided solid spherical polymer beads having an average particle size between about 0.5 and about 5 .mu.m and having a glass transition temperature of at least 40.degree. C. by dissolving in an aqueous solvent mixture at least one .alpha.,.beta.-ethylenically unsaturated monomer capable of forming a polymer that is soluble in the monomer(s) present in said aqueous solvent mixture but which is insoluble in said aqueous solvent mixture, a free radical-forming polymerization initiator, and a graft-polymerizable polymer containing hydrophilic groups, heating the solution to a temperature from 50.degree. C. to the reflux temperature thereof with stirring so as to form said polymer beads. The polymer beads can be used in an antifriction surface layer, an antihalation surface layer, an antistatic surface layer, or in a protective surface layer of a photographic element or in a top layer of a drafting film containing a photosensitive layer.
摘要:
Disclosed is a light-sensitive silver halide color photographic material in which a DIR compound capable of releasing a diffusible development inhibitor or precursor thereof by the reaction with an oxidized form of a color developing agent is employed in combination with a non-diffusible dye and which sastisfies Condition A and B recited in the specification.By using the color light-sensitive material according to the present invention, the sharpness, particularly the edge effect (including the fringe effect and the border effect) of a photographic image has been greatly improved.
摘要:
A silver halide light-sensitive material is described, comprising(1) an emulsion layer containing light-sensitive silver halide grains, and(2) a layer containing metal salt grains on which a dye is adsorbed, which cannot be substantially developed and are sparingly soluble in water,wherein the absorption maximum of said dye is separated by 20 nm or more from the sensitization maximum of an emulsion layer located in a position farther from the light source than the layer containing said dye.
摘要:
A process for preparing an aqueous dispersion of a pigment is disclosed. The process involves providing a surface active agent having a solubility of 0.1% or less in water at a temperature of about 25.degree. C. The agent is also soluble in an organic solvent. The agent is dispersed in water to provide an aqueous dispersion of the agent. The pigment is then dispersed in the aqueous dispersion of the agent to form the aqueous dispersion of the pigment. The dispersion causes less foaming, aggregation and sedimentation of the pigment particles when the dispersion is stored. The dispersion is particularly useful when utilizing carbon black as the pigment and applying the dispersion to the field of photographic materials. The presence of the surface active agent does not have secondary effects on photographic materials.
摘要:
Ultraviolet radiation sensitive photographic film material comprising a silver halide emulsion of at least 50 mole % silver chloride and a yellow filter dye over said silver halide emulsion layer.
摘要:
The color speeds of a multicolor photosensitive element are balanced during the manufacture thereof by continuously introducing into said element optical filter means adapted to modulate the photographic color speed of at least one of the selectively sensitized silver halide emulsions relative to the other(s), and then adjusting the density of said optical filter means during coating to an amount sufficient to obtain the desired color balance.