Abstract:
A black and white photothermographic material including, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a silver salt of a fatty acid, a reducing agent for silver ions, and a binder, wherein the black and white photothermographic material includes a compound represented by the following formula (I) as the reducing agent and a compound represented by the following formula (BC-1) as a coupler: A black and white photothermographic material which exhibits low fog, high image density, excellent image tone, and excellent raw stock storability is provided.
Abstract:
A color photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a coupler which reacts with an oxidation product of the reducing agent to form a dye, wherein the photosensitive silver halide has an average silver iodide content of 40 mol % or higher, and the color photothermographic material contains a compound represented by the following formula (I) as the reducing agent. A color photothermographic material which exhibits low fog and excellent storage stability is provided.
Abstract:
A photothermographic material including, on at least one surface of a support, at least a photosensitive silver halide containing a silver iodide at 40 mol % or more, a non-photosensitive organic silver salt, and a reducing agent, wherein the photothermographic material contains two or more kinds of the reducing agent at the mixing ratio to satisfy at least one of a), b), c) and d): a) a difference between a sensitivity or b) a difference between a maximum density is 0.10 or less, when developed at 120° C. for 10 sec and a sensitivity when developed at 120° C. for 14 sec; c) a difference between a sensitivity or d) a difference between a maximum density is 0.10 or less, when developed at 117° C. for 12 sec and a sensitivity when developed at 123° C. for 12 sec. An image forming method using the photothermographic material is also provided.
Abstract:
Disclosed is a silver halide color photographic light-sensitive material having at least three silver halide emulsion layers different in color sensitivity from each other on a reflective support, wherein said reflective support is one selected from the group consisting of the following (a), (b) and (c):(a) the reflective support is a water-resistant resin-coated support, and at least one layer of the water-resistant resin layers between the support and the silver halide emulsion layers is a biaxially oriented polyolefin layer having micropores, (b) the reflective support is a water-resistant resin-coated support, and at least one layer of the water-resistant resin layers between the support and the silver halide emulsion layers is a biaxially oriented polyolefin layer having micropores, and between the polyolefin layer and the silver halide emulsion layers, a polyolefin layer having no micropore is provided, and (c) the reflective support is one prepared by coating onto at least the side of the emulsion-coated surface of the support with a composition having a white pigment mixed and dispersed in a resin containing at least 50 wt % of a polyester synthesized by polycondensation of a dicarboxylic acid with a diol, and wherein the silver halide emulsions in the silver halide emulsion layers each comprise silver halide emulsion grains with a silver chloride content of 95 mol % or more. Further, a method of forming a color image by the use of this silver halide color photographic light-sensitive material is also disclosed.
Abstract:
The present invention provides a silver halide photosensitive material and a photothermographic material having, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for the organic silver salt, wherein the silver halide photosensitive material and the photothermographic material contain a phthalocyanine compound represented by the following formula (PC-1): wherein, M represents a hydrogen atom or a metal atom; R1, R4, R5, R8, R9, R12, R13, and R16 each independently represent a hydrogen atom or a substituent; at least one of R1, R4, R5, R8, R9, R12, R13, and R16 represents an electron-attracting group; and R2, R3, R6, R7, R10, R11, R14, and R15 each independently represent a hydrogen atom or a substituent.
Abstract translation:本发明提供一种卤化银感光材料和光热敏成像材料,其至少在载体的一侧至少含有感光卤化银,非感光性有机银盐和有机银盐的还原剂,其中 卤化银感光材料和光热敏成像材料含有由下式(PC-1)表示的酞菁化合物:其中,M表示氢原子或金属原子; R 1,R 4,R 5,R 8,R 9, R 12,R 13和R 16各自独立地表示氢原子或取代基; R 1,R 4,R 5,R 8,R 9,R 9, R 12,R 12,R 16和R 16表示吸电子基团; 和R 2,R 3,R 6,R 7,R 10, R 11,R 14和R 15各自独立地表示氢原子或取代基。
Abstract:
A photothermographic material, which includes: a support; and image forming layers containing a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, a polyhalogen compound, and a binder, on the support, wherein the number of the image forming layers provided is at least 2, at least one layer of the image forming layers contains a reducing agent represented by the following formula (I), and at least one layer of the other image forming layers contains a reducing agent represented by the following formula (II):
Abstract:
The present invention provides a photothermographic material including at least a photosensitive silver halide, a non-photosensitive silver-supplying compound, a reducing agent and a binder on at least one surface of a support. The photothermographic material further includes at least one kind of halogen releasing compound having a water-solubilizing group and at least one kind of halogen releasing compound having no water-solubilizing group, and a gradation of a characteristic curve is 2.5 to 4.0. The photothermographic material of the invention is excellent in storability, and particularly excellent in storability of high quality images used for image recording for medical diagnosis.
Abstract:
A photothermographic material is described, which comprises a support having provided on at least one side thereof a photosensitive silver halide, a photo-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein at least one layer constituting the photothermographic material comprises an oxazoline compound, by which sufficiently high image density is developed within practically feasible reaction time and temperature, and sufficiently suppressed background coloration is exhibited when stored for a prolonged period after development processing.
Abstract:
Disclosed is a photothermographic material comprising, on one side of a support, a photosensitive silver halide, a non-photosensitive silver salt of an organic acid, a reducing agent for silver ions and a binder, which is characterized by containing one or more phenol compounds as the reducing agent and one or more compounds satisfying at least one of the following requirements A and B in combination: A: the hydrogen bond formation rate constant Kf is 20-4000, B: the chemical structure is represented by the following formula (II), (III), (IV) or (V) (R21 and others represent an alkyl group etc.), or has a phosphoryl group. According to the present invention, there is provided a photothermographicmaterial that can provide sufficient image density at practical reaction temperatures (specifically 100-140° C.) with practical reaction times (specifically 1-30 seconds), and can sufficiently suppress coloration of blank portions during storage in the dark after development.
Abstract:
A silver halide color photographic light-sensitive material comprising a support having provided thereon: at least one yellow-color-forming light-sensitive silver halide emulsion layer; at least one magenta-color-forming light-sensitive silver halide emulsion layer; at least one cyan-color-forming light-sensitive silver halide emulsion layer; and at least one light-insensitive non-color-forming hydrophilic colloid layer, wherein at least one layer of said at least one cyan-color-forming light-sensitive silver halide emulsion layer contains at least one cyan-dye-forming coupler having a pKa of not more than 8.7, and wherein said at least one light-insensitive non-color-forming hydrophilic colloid layer contains at least one compound represented by the following formula (I): wherein R1, R2, R3 and R4, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group; and R5 represents an aryl group; provided that the total number of carbon atoms included in R1, R2, R3, R4 and R5 is not less than 14.