摘要:
Disclosed is a silver halide color photographic material having at least one light-sensitive emulsion layer on a support, in which at least 50%, as the total projected area, of all the silver halide grains in at least one light-sensitive emulsion layer are tabular grains having a mean aspect ratio of 2 or more and at least one layer constituting the material contains a coupler of the following formula (I) and/or a coupler of the following formula (II): ##STR1## where X.sup.1 and X.sup.2 each represents an alkyl group, an aryl group, or a heterocyclic group; X.sup.3 represents an organic residue forming a nitrogen-containing heterocyclic group along with >N-- in the formula; Y represents an aryl group or a heterocyclic group; and Z represents a group capable of being released from the formula when the coupler of the formula reacts with an oxidation product of a developing agent. The material preferably contains a compound of formula (A):Q--SM.sup.1 (A)where Q represents a heterocyclic residue having at least one substituent selected from the group consisting of --SO.sub.3 M.sup.2, --COOM.sup.2, --OH and --NR.sup.1 R.sup.2 bonded thereto directly or indirectly; M.sup.1 and M.sup.2 independently represent a hydrogen atom, an alkali metal, a quaternary ammonium group, or a quaternary phosphonium group; and R.sup.1 and R.sup.2 independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group. The material has a high sensitivity and has excellent graininess, pressure resistance, color reproducibility and sharpness.
摘要翻译:公开了一种卤化银彩色照相材料,其在载体上具有至少一个感光乳剂层,其中至少一个感光乳剂层中所有卤化银颗粒的总投影面积的至少50%为 平均纵横比为2以上的片状颗粒和至少一层构成材料的层包含下式(I)的成色剂和/或下式(II)的成色剂:(*化学结构*)(I )(*化学结构*)(II)其中X1和X2各自表示烷基,芳基或杂环基; X3表示式中含有氮原子的有机残基以及> N - Y表示芳基或杂环基; Z表示当式的成色剂与显影剂的氧化产物反应时能够从式中释放的基团。 该材料优选含有式(A)的化合物:Q-SM1(A)其中Q表示具有至少一个选自-SO 3 M 2,-COOM 2,-OH和-NR 1 R 2的取代基的杂环残基直接键合到其上, 间接地 M1和M2独立地表示氢原子,碱金属,季铵基或季鏻基; 并且R 1和R 2独立地表示氢原子或取代或未取代的烷基。 该材料具有高灵敏度,具有优异的颗粒度,耐压性,色彩再现性和清晰度。
摘要:
The present invention relates to a silver halide color photographic photosensitive material which contains a coupler which can be represented by formula (1): ##STR1## wherein X1 and X2 each represent an alkyl group or a heterocyclic group, Y represents an aryl group or a heterocyclic group, and Z represents a group which is eliminated when the coupler which is represented by formula (1) reacts with an oxidized form of a developing agent.
摘要:
A silver halide color photographic material containing at least one coupler compound of the formula (1) in at least one hydrophilic colloid layer which is provided on a support:R.sup.1 OCOCHXCONR.sup.2 R.sup.3 (1)where R.sup.1 represents a branched alkyl group including a cyclic alkyl group and a cyclic alkyl-substituted alkyl group, an aryl group or a heterocyclic group; R.sup.2 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.3 represents an alkyl group, an aryl group or a heterocyclic group; X represents a group which splits off from the coupler compound when the coupler compound is reacted with an oxidation product of an aromatic primary amine developing agent; and R.sup.2 and R.sup.3 may be bonded to each other to form a ring. The coupler has a high dye-forming rate to give a dye having a high color density and a high color fastness. The material has improved sharpness and color fastness and an elevated sensitivity.
摘要:
A silver halide color photographic photosensitive material comprising a yellow image forming photographic coupler, which is capable of forming images having excellent color reproduction and image fastness, and which has a high reactivity with an oxidized form of a developing agent. The aforementioned object has been realized by means of a silver halide color photographic photosensitive material containing a coupler represented by general formula (I): ##STR1## wherein X represents an organic residual group which is required, together with the nitrogen atom, to form a nitrogen containing heterocyclic ring, Y represents an aromatic group or a heterocyclic group, and Z represents a group which is eliminated when the coupler represented by said general formula reacts with the oxidized form of a developing agent.
摘要:
A silver halide color photographic material is disclosed. The photographic material comprises a support having provided thereon at least one light-sensitive emulsion layer containing a coupler represented by the general formula (I) and/or a coupler represented by the general formula (II), silver iodobromide containing 15 to 45 mol % silver iodide in a definite layer structure in the emulsion layer, and chemically sensitized silver halide grains having a total silver iodide content of more than 7 mol %: ##STR1## wherein X.sup.1 and X.sup.2 each represents an alkyl group, an aryl group or a heterocyclic group; X.sup.3 represents an organic residue which forms a nitrogen-containing heterocyclic group together with >N--; Y represents an aryl group or a heterocyclic group; and Z represents a group capable of being separated from the coupler upon the reaction of the coupler with the oxidation product of a developing agent.
摘要:
A silver halide color photographic light-sensitive material includes a support and at least one hydrophilic colloid layer formed on the support. The hydrophilic layer contains a coupler compound which is represented by formula (I) below and has a high dye formation rate and a high color forming density. This silver halide color photographic light-sensitive material can achieve an improved sharpness and a high sensitivity:A--(SO.sub.2 NHCONR.sup.1 R.sup.2).sub.n Formula (I)(wherein A represents a coupler moiety, each of R.sup.1 and R.sup.2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group, and n represents an integer of 1 or more, if n being an integer of 2 or more, respective R.sup.1 's and R.sup.2 's being able to be the same or different, and A and R.sup.1, A and R.sup.2, or R.sup.1 and R.sup.2 being able to combine to form a ring.)
摘要翻译:卤化银彩色照相感光材料包括载体和形成在载体上的至少一个亲水胶体层。 亲水层包含由下式(I)表示的成色剂化合物,并且具有高染料形成速率和高成色密度。 该卤化银彩色摄影感光材料可以获得改善的清晰度和高灵敏度:A-(SO 2 NHCO R R 2)n型(I)(其中A表示成色剂部分,R 1和R 2各自独立地表示氢原子,烷基 ,烯基,炔基,芳基或杂环基,n表示1以上的整数,n为2以上的整数时,R 1及R 2可以相同或不同, ,和A和R1,A和R2,或R1和R2能够结合形成环。
摘要:
A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer is disclosed, wherein said light-sensitive material contains a DIR coupler represented by formula (I): ##STR1## wherein A represents a coupler residue; R represents an alkyl group having from 1 to 4 carbon atoms or a pyridyl group; and n represents 1 when A represents a phenol type or naphthol type coupler residue, or n represents 0 when A represents other coupler residues, and said emulsion layer contains chemically sensitized silver halide grains which individually have a distinct layer comprising silver iodobromide containing from 7 to 45 mol % of silver iodide and which individually have an overall silver iodide content of more than 4 mol %. The photographic material is excellent in sensitivity, graininess, sharpness, color reproducibility, and preservability and is less liable to variation in photographic performance properties even when continuously processed under replenishment.
摘要:
The present invention relates to a silver halide color photographic material having at least one light-sensitive silver halide emulsion layer or light-insensitive layer on a support, wherein the light-sensitive silver halide emulsion layer or a light-insensitive layer contains a yellow coupler selected from the group consisting of a yellow coupler represented by the following formula (I), a yellow coupler represented by the following formula (II) and combinations thereof, and a cyan coupler selected from the group consisting of a phenolic cyan coupler having a phenylureido group at the 2-position and a carbonamido group at the 5-position, a naphtholic cyan coupler having an amino group at the 5-position and combinations thereof; ##STR1## wherein X.sub.1 and X.sub.2 each represents an alkyl group, an aryl group, or a heterocyclic group; X.sub.3 represents an organic group capable of forming a nitrogen-containing heterocyclic group with >N--; Y represents an aryl group or a heterocyclic group; and Z represents a group capable of being released at the reaction of the coupler shown by the foregoing formula and the oxidation product of a developing agent.
摘要:
A silver halide color photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein the emulsion layer contains a coupler represented by the following general formula (I) ##STR1## wherein X represents a non-metallic atomic group required for forming a heterocyclic ring together with a residue of the formula ##STR2## Y represents a group which is eliminated by coupling and has substantially no photographic effect and Z represents an electron attractive group (a substituent group having a value of at least 0.2 in terms of Hammett's .sigma.m substituent constant).
摘要:
A silver halide color photographic material is disclosed, which comprises a support having provided thereon at least one hydrophilic colloidal layer, wherein the hydrophilic colloidal layer contains a novel coupler compound having a high dye forming rate and a high color density represented by general formula (I):(R.sup.1 COCHXCONR.sup.2 R.sup.3)--(CONHSO.sub.2 R.sup.4).sub.n(I)wherein R.sup.1 represents an alkyl group, an aryl group, a heterocyclic group, --NR.sup.5 R.sup.6 or --OR.sup.7 ; R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.4 represents an alkyl group, aryl group, heterocyclic group or --NR.sup.8 R.sup.9 ; R.sup.5, R.sup.6, R.sup.8 and R.sup.9 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.7 represents an alkyl group, an aryl group or a heterocyclic group; X represents a group capable of being released as an anion (X.sup.-) when the coupler compound reacts with an oxidation product of an aromatic primary amine developing agent; and n represents an integer of 1 or more, with the proviso that R.sup.1 and R.sup.4, R.sup.2 and R.sup.4, R.sup.3 and R.sup.4, R.sup.2 and R.sup.3, R.sup.5 and R.sup.6, or R.sup.8 and R.sup.9 may be connected to each other to form a ring. The silver halide color photographic material using the novel coupler compound provides a higher sharpness and a higher sensitivity.
摘要翻译:公开了一种卤化银彩色照相材料,其包括其上提供有至少一个亲水性胶体层的载体,其中亲水性胶体层含有由通式(I)表示的高染料形成速率和高色密度的新型成色剂化合物 ):(R1COCHXCONR2R3) - (CONHSO2R4)n(I)其中R1表示烷基,芳基,杂环基,-NR5R6或-OR7; R2和R3各自独立地表示氢原子,烷基,芳基或杂环基; R 4表示烷基,芳基,杂环基或-NR 8 R 9; R5,R6,R8和R9各自独立地表示氢原子,烷基,芳基或杂环基; R 7表示烷基,芳基或杂环基; X表示当成色剂化合物与芳族伯胺显影剂的氧化产物反应时能够作为阴离子(X-)释放的基团; 并且n表示1或更大的整数,条件是R 1和R 4,R 2和R 4,R 3和R 4,R 2和R 3,R 5和R 6或R 8和R 9可彼此连接形成环。 使用新型耦合剂化合物的卤化银彩色照相材料提供更高的清晰度和更高的灵敏度。