摘要:
A lyotropic liquid crystal composition comprises silver halide grains, silver grains or optically anisotropic grains dispersed in lyotropic liquid crystal. The grains have an aspect ratio of not less than 2.
摘要:
A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide emulsion layer contains a silver halide emulsion sensitized by a methine dye represented by following formula (I) and the total content of calcium in the photographic constituting layers on the support is not more than 10 mg/m.sup.2 ; ##STR1## wherein Q represents a non-metallic atomic group necessary for forming a 5-membered or 6-membered ring; R.sub.1 to R.sub.11 each represents a hydrogen atom or a substituent, however, at least one of R.sub.1 to R.sub.3 represents a group containing an aromatic group and R.sub.4 and R.sub.5 are not a hydrogen atom; L.sub.1 to L.sub.3 each represents a methine group; n represents an integer of from 0 to 6; M represents a counter ion neutralizing an electrostatic charge; and m represents 0 or 1;The material provides an excellent stability showing less deviation of the performance at the production thereof and provides an excellent processing stability and less depositions in processing liquids and thus forms less streaks even in continuous processing.
摘要翻译:一种卤化银彩色照相材料,其包括其上具有至少一个感光卤化银乳剂层的载体,其中所述卤化银乳剂层含有由下式(I)表示的次甲基染料敏化的卤化银乳剂, 载体上的照相构成层中的钙不大于10mg / m 2; (I)其中Q表示形成5元或6元环所必需的非金属原子团; R 1〜R 11各自表示氢原子或取代基,但R 1〜R 3中的至少一个表示含有芳基的基团,且R 4,R 5不是氢原子。 L1〜L3各自表示次甲基; n表示0〜6的整数, M表示中和静电电荷的抗衡离子; m表示0或1; 该材料提供优异的稳定性,其在生产时的性能偏差较小,并且在加工液体中提供优异的加工稳定性和较少的沉积,因此即使在连续加工中也形成较少的条纹。
摘要:
The second silver halide photosensitive material comprises a substrate and at least one photosensitive silver halide emulsion layer formed thereon, the silver halide photosensitive material comprising at least two types of silver halide grains with different projected areas having photosensitivity in the same spectral range; silver halide grains having a larger projected area having a refractive index n1 and an average thickness a, and silver halide grains having a smaller projected area having a refractive index n2 and an average thickness b; and the silver halide grains satisfying the conditions defined by the following equation (1): n2≦n1, and a≦b×(n2/n1) (1).
摘要:
There is disclosed a silver halide photographic emulsion comprising silver halide grains, wherein 50% or more of the projected area of the silver halide grains to be contained is occupied by tabular grains having an aspect ratio of 2 or more and a grain thickness of 0.2 &mgr;m or less, with the tabular grains each having a phase with the content of silver bromide being 10% or more, and wherein in the phase, the tabular grains each contain a metal complex dopant in an amount necessary to increase the density of a dislocation. This emulsion produces high contrast and better granularity while it has high sensitivity. Further, there is also disclosed a silver halide photographic emulsion, wherein the average equivalent-circle diameter of the total tabular grains among the silver halide grains contained is 2.0 to 4.0 &mgr;m, and the tabular grains contain at least one metal complex having, as a ligand, a heterocyclic compound in a number more than half of the coordination number of the metal atom. This emulsion has high sensitivity and excellent photographic characteristics exhibiting little change of gradation upon exposure to high-intensity illumination. In addition, the present invention provides a silver halide color photographic light-sensitive material using the emulsion, and a color image forming process that is simple and rapid and places little load on the environment, using the material.
摘要:
There is disclosed a silver halide photographic light-sensitive which is capable of providing a rapid processing as well as a high sensitivity and in which a change in an aging time in exposing through processing provides less performance fluctuation and therefore an excellent stability. The silver halide photographic light-sensitive material comprises a support and provided thereon at least one light-sensitive silver halide emulsion layer and at least one non-light-sensitive layer, wherein at least one of the above light-sensitive emulsion layers contains a silver halide emulsion grain which comprises silver bromochloride having a silver chloride content of 90% or more or silver chloride each containing substantially no silver iodide and in which 50% or more of a grain surface consists of a (111) plane; and further, at least one of the non-light-sensitive layers contains a compound represented by the following Formula (I): ##STR1## wherein X represents a hydrogen atom, a hydroxyl group, an amino group, or a sulfonamido group; R.sup.11 and R.sup.12 each represent the same group as that defined for X, an alkyl group, an aryl group, an amido group, a ureido group, an alkylthio group, an arylthio group, an alkoxy group, or an aryloxy group, and R.sup.11 and R.sup.12 may cooperate to form a carbon ring or a heterocyle; when X is a hydrogen atom, R.sup.11 represents a hydroxyl group, an amino group, or a sulfonamido group; R.sup.13 represents a hydrogen atom, a halogen atom, a sulfo group, a carboxyl group, an alkyl group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, or a sulfamoyl group; and, the compound represented by Formula (I) has a molecular weight of 390 or more.
摘要翻译:公开了一种能够提供快速加工和高灵敏度的卤化银照相感光性,其中通过处理曝光的老化时间的变化提供较少的性能波动并因此具有优异的稳定性。 卤化银照相感光材料包括载体并且在其上提供至少一种感光卤化银乳剂层和至少一种非感光层,其中至少一种上述感光乳剂层含有银 卤化银乳剂颗粒,其包含氯化银含量为90%以上的溴氯化银或各自基本上不含碘化银的氯化银,其中50%以上的颗粒表面由(111)面组成; 另外,至少一个非感光层含有由下式(I)表示的化合物:其中X表示氢原子,羟基,氨基或亚磺酰氨基 组; R 11和R 12各自表示与X,烷基,芳基,酰胺基,脲基,烷硫基,芳硫基,烷氧基或芳氧基所定义的基团相同的基团,R 11和 R12可以配合形成碳环或杂环; 当X是氢原子时,R11表示羟基,氨基或亚磺酰氨基; R 13表示氢原子,卤素原子,磺基,羧基,烷基,酰基,氧羰基,氨基甲酰基,磺酰基或氨磺酰基。 式(I)表示的化合物的分子量为390以上。
摘要:
In a method of manufacturing a silver halide emulsion which comprises a silver chlorobromide having a silver chloride content of 90 mol% or more or silver chloride and said silver halide containing substantially no silver iodide, the improvement which comprises the steps of,(i) adding to a reactor a compound capable of spectrally sensitizing the silver halide emulsion in a wavelength range between 590 nm and 720 nm, and(ii) then adding to the reactor a compound capable of spectrally sensitizing the silver halide emulsion in a wavelength range between 390 nm and 590 nm,prior to the completion of chemical sensitization of the silver halide emulsion, and color photographic material having the emulsion manufactured by the method.
摘要:
A photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, characterized in that the emulsion layer contains silver chlorobromide prepared in such a manner that silver halide regular crystal grains, having no twinning crystal plane and containing 50 mol % or more of silver chloride, are used as host grains, an organic compound is adsorbed on a surface of each of the host grains, and sulfur-plus-gold sensitization is performed, either during or after halide conversion in the presence of a bromide.
摘要:
A photosensitive material of the diazonium type which comprises a support, a precoat layer thereon and a photosensitive layer of a diazonium compound is improved by using a graft copolymer on a cellulose derivative as the precoat layer. A hydrophilic epoxy compound may be used in the precoat layer and a coupler and a benzenediazonium hexafluorophosphate derivative may be used in the photosensitive layer.
摘要:
Disclosed is a silver halide photographic emulsion which comprises silver halide particles containing a polynuclear metal complex in which an organic compound is contained as a bridging ligand, wherein 50% or more of a projected area of the particles is occupied by tabular particles having a particle thickness of 0.3 &mgr;m or less. This photographic emulsion is high in sensitivity, as well as give high contrast and good graininess. Also disclosed are a light-sensitive material for photographing of high image quality, which contains the photographic emulsion, and a simple method for forming a color image wherein the light-sensitive material is used.
摘要:
Disclosed is a ultrahigh speed silver halide color photographic material for picture-taking use, which comprises a support coated with at least three light-sensitive layers comprising blue-sensitive, green-sensitive and red-sensitive silver halide emulsions respectively: with the photographic material having a characteristic speed of at least 800 and the total silver coverage of at most 7.0 g/m2, and satisfying the following relation between the total silver coverage (X) and the characteristic speed (Y); (X)/(Y)½≦0.185, thereby ensuring excellent granularity and storage stability.
摘要翻译:公开了一种用于摄影使用的超高速卤化银彩色照相材料,其包括涂覆有至少三个感光层的载体,所述感光层分别包括蓝色敏感性,绿色敏感性和红色感光卤化银乳剂:与照相材料 具有至少800的特征速度和至多7.0g / m 2的总银覆盖率,并且满足总银覆盖率(X)和特征速度(Y)之间的以下关系; (X)/(Y)1/2 <= 0.185,从而确保优异的粒度和储存稳定性。