摘要:
A light-sensitive material comprising a light-sensitive layer containing silver halide, a reducing agent, a polymerizable compound and a leuco dye provided on a support, characterized in that the leuco dye is a compound having the following formula (I): ##STR1## in which A is --O-- or ##STR2## and R is a substituent having a positive substituent constant (.sigma.); one of X and Y is nitrogen and the other is carbon; each of R.sup.1 and R.sup.2 is an alkyl group, a cycloalkyl group or an aralkyl group; each of R.sup.3 and R.sup.4 is an alkyl group, an alkoxy group, a cycloalkyl group, an aralkyl group or an aryloxy group; each of l, m and n is 1 or 2.
摘要翻译:一种感光材料,其包含含有卤化银,还原剂,可聚合化合物和设置在载体上的无色染料的感光层,其特征在于所述无色染料是具有下式(I)的化合物:(I)其中A是-O-或,R是具有正取代基常数(sigma)的取代基; X和Y之一是氮,另一个是碳; R1和R2各自为烷基,环烷基或芳烷基; R 3和R 4各自为烷基,烷氧基,环烷基,芳烷基或芳氧基; l,m和n分别为1或2。
摘要:
A light-sensitive material comprising a light-sensitive layer which contains silver halide, a reducing agent and a polymerizable compound provided on a support, characterized in that the light-sensitive layer further contains a silver diazotate having the following formula:Ar--N.dbd.N--O--Ag(L).sub.nin which Ar is an aryl group or a heterocyclic group, each of which may have one or more substituent groups; L is a ligand; and n is 0, 1 or 2. Image-forming methods utilizing the light-sensitive materials are also disclosed.
摘要:
A heat developable light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide, a binder, and a compound capable of ring-closure to produce a benzimidazole ring upon heat development can be developed to an increased maximum density with less fogging at a relatively low temperature in a short period of time.
摘要:
A heat-developable light-sensitive material is described, containing a compound represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted or unsubstituted alkenylene group, a substituted or unsubstituted alkynylene group, a substituted or unsubstituted aralkylene group, a substituted or unsubstituted arylene group, or a substituted or unsubstituted divalent heterocyclic group; R.sub.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group; R.sub.3 represents an alkyl group, an alkoxyl group, a halogen atom, an acylamino group, a sulfonylamino group, an alkylamino group, a dialkylamino group, an alkylsulfonyl group, an arylsulfonyl group, a cyano group, a substituted or unsubstituted carbamoyl group, a substituted or unsubstituted sulfamoyl group or an alkoxycarbonyl group; X represents a divalent group selected from ##STR2## (wherein R.sub.4 represents a hydrogen atom, a substituted or unsubstituted alkyl group), ##STR3## (wherein R.sub.5 represents a substituted or unsubstituted alkyl group), and ##STR4## M represents an alkali metal, an alkaline earth metal, a quaternary ammonium group, or an ammonium group represented by BH (wherein B represents an organic base); l is an integer of 0 to 3; and m and n are each an integer of 1 or 2, such that the electric charge of carboxylate anion is equivalent to that of M.This material is improved in activity and storage stability. That is, the material providing an image of high density and decreased fog, and which even when stored under high temperature/high humidity conditions, maintained good photographic performance.
摘要:
A heat developable light-sensitive material containing a compound represented by formula (I) or (II) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, a heterocyclic group, a carboxyl group or a salt thereof, a halogen atom, a cyano group, an alkylsulfonyl or arylsulfonyl group, a sulfamoyl group, a carbamoyl group, an alkoxycarbonyl or aryloxycarbonyl group, a di- or mono-alkylphosphoryl or arylphosphoryl group, a di- or mono-alkylphosphinyl or arylphosphinyl group, an alkylsulfinyl or arylsulfinyl group, an acyl group, an amino group, an acylamino group, an acyloxy group or a group represented by X; X represents a decarboxylation accelerating group; or any two of R.sub.1, R.sub.2, and X may combine to form a ring; and the groups represented by R.sub.1, R.sub.2 and X may further be substituted with a substituent; B represents an organic base; and n represents 1 when B represents a monoacid base or 2 when B represents a diacid base, provided that when ##STR2## is a free dibasic acid, n is 1/2 of the above described numbers, respectively.The heat developable light-sensitive material containing a base precursor represented by formula (I) or (II) has excellent stability during preservation before use, and provides a color image having a high color density and low fog in a short time.
摘要:
A heat-developable color photographic light-sensitive material comprises a support having thereon at least one layer containing the novel base precursor. This heat-developable color photographic light-sensitive material provides a high maximum density and low fog by heat-developing at a relatively low temperature and for a short period of time.
摘要:
A heat developable light-sensitive material having an excellent stability with time and capable of providing a high quality image is disclosed, which contains a base precursor represented by the following general formula (I): ##STR1## wherein A represents an organic residue represented by the following formula (II): ##STR2## X represents an electron attractive substituent having a Hammett's sigma value of more than 0;l represents an integer of 1 to 5 and, when l represents 2 or more, a plurality of Xs may be the same or different;Y represents a substituent having a Hammett's sigma value of 0 or less;k represents an integer of 0 to 5 and, when k represents 2 or more, a plurality of Ys may be the same or different;Z represents a divalent organic residue selected from the group consisting of --C.dbd.C--, --O--, --S--, and --NR-- (wherein R represents a hydrogen atom or a substituent selected from the group consisting of an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an acyl group);the broken line in the general formula (II) represents that the cyclic compound containing Z may optionally be fused with a benzene ring;B represents a mono- or diacidic base having a pKa value of 7 or more and containing 12 or less carbon atoms; andn and m represent an integer of 1 or 2 and are in such relation that the number of positive charge is equal to that of negative charge.
摘要:
An image forming method is disclosed, comprising forming a latent image by imagewise exposing a recording material including a light-sensitive silver salt, a reducing agent, a polymerizable compound, and a binder, on a support, and subsequently subjecting said recording material to a substantially uniform heating at about 80.degree. C. or more under conditions substantially not containing water, thereby forming a polymeric compound in areas where the latent image of the light-sensitive silver salt has formed.
摘要:
A heat-developable color light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder, a dye releasing redox compound which is capable of reducing the light-sensitive silver halide and is capable of reacting with the light-sensitive silver halide by heating to release a hydrophilic dye and a salt of an alkylcarboxylic acid having a triple bond between the .alpha.-position carbon atom and the .beta.-position carbon atom with an organic base as a base precursor.The heat-developable color light-sensitive material containing the novel base precursor has good stability during preservation and provides a color image having a high color density and low fog in a short time by a simple procedure. A method of forming a color image using the heat-developable color light-sensitive material is also disclosed.