摘要:
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.
摘要:
A photothermographic material comprising, on one side of a support, at least one kind of photosensitive silver halide, a light insensitive silver salt of an organic acid, a reducing agent for silver ions and a binder, wherein the photosensitive silver halide has a mean grain size of 0.001 &mgr;m to 0.06 &mgr;m and the material comprises at least two kinds of organic polyhalogenated compounds at least one of which is an organic polyhalogenated compound represented by the following formula (1): wherein Z1 and Z2 independently represent a halogen atom, X1 represents a hydrogen atom or an electron withdrawing group, Y1 represents —CO— group or —SO2— group, Q represents an arylene group or a divalent heterocyclic group, L represents a bridging group, W1 and W2 independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, and n represents 0 or 1.
摘要:
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).
摘要:
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
摘要翻译: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。
摘要:
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.
摘要:
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.
摘要:
Latex polymer of fine particles having a heterogeneous phase structure which comprises a core of a polymer having repeating units derived from a conjugated diene monomer and a shell of a polymer having repeating units derived from at least one ethylenically unsaturated monomer carrying an active methylene group; a silver halide photographic light-sensitive material comprises a core/shell latex polymer whose shell consists of a polymer having repeating units of an ethylenically unsaturated monomer represented by the formula: CH.sub.2 .dbd.C(R.sup.1)--L--X (wherein R.sup.1 represents H, alkyl or halogen, L represents a single bond or a bivalent coupling group, X represents an active methylene group, provided that L is bonded to X in the form of alkylene; and a method for forming images on a silver halide light-sensitive material which comprises exposing the material which comprises at least one light-sensitive silver halide emulsion layer and at least one hydrophilic colloidal layer either of which comprises a latex polymer having active methylene groups and developing the exposed material with a developer which comprises a dihydroxybenzene developing agent and an auxiliary developing agent showing superadditivity, the pH increase observed when adding 0.1 mole/l developer of NaOH to the developer .ltoreq.0.25; 9.5.ltoreq. initial pH of the developer .ltoreq.11.0; the amount of the developer supplemented .ltoreq.225 ml/m.sup.2.
摘要:
A development processing method comprising developing a silver halide photographic material with a developing solution, (i) wherein the silver halide photographic material comprises a support having thereon at least one light-sensitive silver halide emulsion layer and contains: (a) at least two kinds of light-sensitive silver halide emulsions which are each spectrally sensitized and have sensitivities different from each other with respect to a certain exposure wavelength; and (b) at least one hydrazine derivative in at least one of the silver halide emulsion layer and other hydrophilic colloidal layers, and (ii) wherein the developing solution is substantially free from a dihydroxybenzene compound, has a pH of from 9.0 to 10.5 and contains: (1) at least one ascorbic acid developing agent and (2) at least one auxiliary developing agent represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom or a substituent group; and R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group, an aryl group, an aralkyl group or a heterocyclic group.
摘要翻译:一种显影处理方法,包括用显影液显影卤化银照相材料,(i)其中所述卤化银照相材料包含其上具有至少一种感光卤化银乳剂层的载体,并且包含:(a)至少两种 的感光卤化银乳剂,其各自的光谱增感和相对于一定的曝光波长具有彼此不同的灵敏度; 和(b)至少一种卤化银乳剂层和其它亲水性胶体层中的肼衍生物,和(ii)其中显影液基本上不含二羟基苯化合物,其pH为9.0〜10.5, 含有:(1)至少一种抗坏血酸显影剂和(2)由以下通式(I)表示的至少一种辅助显影剂:y相同或不同,各自表示氢原子或取代基; R 5和R 6可以相同或不同,表示烷基,芳基,芳烷基或杂环基。
摘要:
A method for forming images on a silver halide light-sensitive material includes exposing a material which contains at least one light-sensitive silver halide emulsion layer and at least one hydrophilic colloidal layer, either of which includes a latex polymer having active methylene groups, and developing the exposed material with a developer which contains a dihydroxybenzene developing agent and an auxiliary developing agent showing superadditivity, wherein the following requirements are satisfied: the pH increase observed when adding 0.1 mole/l developer of NaOH to the developer.ltoreq.0.25; 9.5.ltoreq.initial pH of the developer.ltoreq.11.0; and the amount of the developer supplemented.ltoreq.225 ml/m.sup.2.
摘要:
A development processing method is described, which includes the steps of (a) exposing an ultrahigh-contrast silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and (b) developing the exposed silver halide photographic material with a developer while the developer is replenished with a development replenisher, wherein the developer and the development replenisher each contains a dihydroxybenzene developing agent and an auxiliary developing agent exhibiting a superadditive property to the dihydroxybenzene developing agent, and both the developer and the development replenisher have such a property that an increase of the pH is 0.25 or less when 0.1 mol of sodium hydroxide is added to 1 liter thereof; the developer has a pH from 9.5 up to but excluding 11.0; and the developer replenisher is added in an amount of 225 ml/m.sup.2 or less.
摘要翻译:描述了一种显影处理方法,其包括以下步骤:(a)将包含其上的载体上的至少一种感光卤化银乳剂层的超高对比度卤化银照相材料曝光,和(b)将曝光的卤化银照相材料 与显影剂一起补充显影剂,其中显影剂和显影剂补充剂各自含有二羟基苯显影剂和显示对二羟基苯显影剂具有超附加性质的辅助显影剂,显影剂和显影补充剂都具有 当将0.1mol氢氧化钠加入其1升时,pH增加为0.25以下的性质; 显影剂的pH从9.5直到但不包括11.0; 并且以225ml / m 2以下的量添加显影剂补充剂。