Abstract:
The present invention is directed to a heat-developable photosensitive material and an image-forming process using the heat-developable photosensitive material. The material generally includes at least one photosensitive silver halide, a reducing agent for silver ions, a binder, and non-photosensitive organic silver salt particles on one surface of a support. The non-photosensitive organic silver salt particles are specified and the reducing agent is specified. The material may include specific non-photosensitive organic silver salt particles and a development accelerator.
Abstract:
An object of the present invention is to provide a novel heat-developable photosensitive material which hardly exerts an influence on the image color tone and exhibits high sensitivity.Disclosed is a heat-developable photosensitive material comprises, on the same surface of a substrate, at least (a) photosensitive silver halide, (b) a reducible silver salt, (c) a compound represented by the general formula (5), (d) a binder, (e) a compound represented by the general formula (6) or (7), and (f) a compound represented by the general formula (3).
Abstract:
A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following general formula (1), and (d) a binder: Q1—NHNH—R1: Formula (1) wherein, in the general formula (1), Q1 represents a 5- to 7-membered unsaturated ring bonding to NHNH—R1 at a carbon atom, and R1 represents a carbamoyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group or a sulfamoyl group, provided that when R1 is propylcarbamoyl group, Q1 is not 2,3,5,6-tetrachloro-4-cyanophenyl group. According to the present invention, there is provided a novel photothermographic materials showing high sensitivity, high development speed and little fluctuation of performance due to heat development temperature variation.
Abstract:
An image forming method using a photothermographic material including, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a first non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer disposed on the same side as the image forming layer and farther from the support than the image forming layer, wherein the non-photosensitive layer contains a second organic silver salt which is different from the first non-photosensitive organic silver salt, and the photothermographic material is thermally developed for 3 seconds to 20 seconds after imagewise exposure. An image forming method with excellent resistance to stain before exposure, raw stock storability, and resistance to defects after processing is provided.
Abstract:
The present invention provides a 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 first reducing agent for silver ions, and a first binder, and a non-photosensitive outermost layer which is disposed on the same side of the support as the side having thereon the image forming layer, wherein the photothermographic material further has a non-photosensitive intermediate layer A between the image forming layer and the outermost layer, and the non-photosensitive intermediate layer A includes at least a second reducing agent for silver ions and a second binder. A photothermographic material which gives an image with high image quality and has improved film physical properties is provided.
Abstract:
The present invention provides a black and white 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 silver ions, wherein the reducing agent for silver ions is a compound represented by the following formula (PP) and having a molecular weight of from 450 to 3000, and the black and white photothermographic material further comprises a compound represented by the following formula (II).
Abstract:
The present invention provides a black and white photothermographic material including, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, a color developing agent, and a coupler which reacts with an oxidation product of the color developing agent to form a dye, wherein a total amount of ammonia included on one side of the support having thereon the photosensitive silver halide is from 5 mg/m2 to 25 mg/m2, and an optical density of an image formed by imagewise exposing and thermally developing the black and white photothermographic material satisfies the following equation (A): 0.02
Abstract translation:本发明提供黑色和白色光热敏成像材料,其至少在支持体一侧包括感光卤化银,非感光性有机银盐,银离子还原剂,彩色显影剂和 成色剂与彩色显影剂的氧化产物反应形成染料,其中在其上具有光敏卤化银的载体的一侧上包含的氨的总量为5mg / m 2 至25mg / m 2,并且通过成像曝光和热显影黑白光热敏成像材料形成的图像的光密度满足以下等式(A):<?在线公式描述 =“在线公式”end =“lead”?> 0.02 其中D表示 光密度在1至2范围内,Dc表示通过染料在光密度中获得的光密度 图像的ity。
Abstract:
A photothermographic material having an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer on at least one side of a support, in which the binder is a hydrophilic binder, the non-photosensitive layer contains gelatin or a gelatin derivative, the reducing agent is a compound represented by the following formula (R), and at least one compound represented by the following formula (I) or (II) is contained: (wherein in formula (R), R11 and R11′ each independently represent an alkyl group and at least one of R11 and R11′ is a secondary or tertiary alkyl group); (wherein in the formula (I), Q represents an atomic group necessary for forming a 5 or 6-membered imide ring); and (wherein in the formula (II), R5 independently represents a hydrogen atom or a substituent, r represents 0, 1, 2, 3 or 4, and X represents O, S, Se or N(R6)). A photothermographic material that is excellent in coated surface state and has high image quality, and an image forming method are provided.
Abstract:
The invention provids a black-and-white photothermographic material comprising a support and an image-forming layer containing a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder on one side of the support, wherein a hydrophilic binder constitutes 50 mass % or more of the binder. The non-photosensitive organic silver salt contains at least one kind selected from the group consisting of a silver salt of a nitrogen-containing heterocyclic compound and a silver salt of a mercapto compound. The photothermographic material comprises a fluorine compound having a fluorinated alkyl group with at least 2 carbon atoms and at most 12 fluorine atoms.
Abstract:
A photothermographic element comprising on a support (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing agent, (d) an ultrahigh contrast-providing agent, (e) a binder, (f) a specific salicylic acid type antifoggant, and optionally (g) phosphoric acid or a salt thereof has a low fog, high sensitivity, high contrast, and storage stability.