摘要:
An indaniline dye represented by the following formula (1): wherein R1 and R2 represent an unsubstituted linear or branched alkyl group having from 2 to 5 carbon atoms; R3 represents an unsubstituted linear or branched alkyl group having from 1 to 3 carbon atoms; provided that the total number of the carbon atoms of R1, R2 and R3 is 6 or 7.
摘要翻译:由下式(1)表示的茚满苯染料:其中R 1和R 2表示具有2至5个碳原子的未取代的直链或支链烷基; R 3表示具有1至3个碳原子的未取代的直链或支链烷基; 条件是R 1,R 2和R 3的碳原子总数为6或7。
摘要:
An azo dye of the following formula: wherein R1, R2, R4 and R5 represent a hydrogen atom or a substituent; R3 and R6 each independently represent a substituent; n indicates 0 to 3. The dye has an excellent optical characteristic with sharp absorption and excellent fastness.
摘要翻译:下式的偶氮染料:其中R 1,R 2,R 4和R 5代表一个 氢原子或取代基; R 3和R 6各自独立地表示取代基; n表示0〜3。该染料具有优异的光学特性,吸收性好,牢度好。
摘要:
A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, low fog, and minimal dependency of photographic properties on developing temperature.
摘要:
A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide hydrophilic colloid emulsion layer, at least one light-insensitive hydrophilic colloid layer interposed between the support and at least one silver halide emulsion layer, and at least one hydrazine derivative selected from the group consisting of compounds represented by the general formula (1) and (2) contained in the at least one of hydrophilic colloid layers provided in the same side of the support as that coated with the light-sensitive silver halide hydrophilic colloid emulsion layer: ##STR1## wherein their substituents are defined in the specification.
摘要:
A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, at least one layer of the emulsion layer and other hydrophilic colloid layers containing at least one hydrazine-type nucleating agent having, in the vicinity of the hydrazine group, an anionic group or a nonionic group which forms an intramolecular hydrogen bond with a hydrogen atom of the hydrazine, and also containing at least one of the onium salt compounds represented by formulae (a), (b) and (c), or at least one of the amine compounds represented by formulae (d), (e), (f), (g), (h), (i) and (j). Also disclosed is a method for processing, after exposure, the silver halide photographic material described above with a developer containing a reductone-type developing agent and having a pH of 12 or less.
摘要:
A silver halide photographic photosensitive material comprises a compound represented by the following formula (I): ##STR1## The variables in this formula are defined in the specification. Also disclosed is a method for processing this photosensitive material with a developer which has a pH 9.0 to 11.0 and which contains 0.15 to 1.5 mol/liter or more of sulfite ion.
摘要:
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide photographic material contains at least one compound represented by formula (I): ##STR1## wherein ED represents a group capable of releasing (Time).sub.t -Ind upon a reaction with an oxidation product of a developing agent; Time represents a divalent linking group; t represents 0 to 1; and Ind represents a group represented by formula (II): ##STR2## wherein X represents a monovalent group; and s represents an integer of from 0 to 4.The compound represented by formula (I) is excellent in preservability and rapidly releases a development inhibitor.The silver halide photographic material provides an ultrahigh contrast image using a highly stable developing solution and is particularly suitable for use in photomechanical processes.
摘要:
An indaniline dye represented by the following formula (1): wherein R1 and R2 represent an unsubstituted linear or branched alkyl group having from 2 to 5 carbon atoms; R3 represents an unsubstituted linear or branched alkyl group having from 1 to 3 carbon atoms; provided that the total number of the carbon atoms of R1, R2 and R3 is 6 or 7.
摘要:
An ultraviolet absorbent, containing a compound represented by formula (1) or (2); and a polymer material containing the ultraviolet absorbent: wherein R11, R12 and R14 each independently represent a monovalent substituent; R13 represents a hydrogen atom or a substituent having a Hammett substituent constant σp of −0.35 or more; and n represents an integer of 0 to 4; and wherein R21 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms, or a substituted or unsubstituted phenyl group; R22 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms; R23 represents a hydrogen atom or a substituent having a Hammett substituent constant σp of −0.35 or more; R24 represents a monovalent substituent; and m represents an integer of 0 to 4.
摘要翻译:含有式(1)或(2)表示的化合物的紫外线吸收剂; 和含有紫外线吸收剂的高分子材料,其中R11,R12和R14各自独立地表示一价取代基; R13表示氢原子或哈米特取代基常数sigmap为-0.35以上的取代基; n表示0〜4的整数。 并且其中R 21表示取代或未取代的具有1至18个碳原子的烷基,或取代或未取代的苯基; R 22表示取代或未取代的碳原子数1〜18的烷基。 R23表示氢原子或具有-355以上的哈米特取代基常数sigmap的取代基; R 24表示一价取代基; m表示0〜4的整数。
摘要:
A thermographic recording element having an image forming layer contains an organic silver salt, a reducing agent, an optional photosensitive silver halide, and a specific nucleating agent. The element has high Dmax, high sensitivity, satisfactory contrast, low fog, and minimal dependency of photographic properties on developing temperature.