摘要:
A color light-sensitive material comprising a support provided thereon at least one light-sensitive silver salt layer combined with an image forming compound represented by formula (I) ##STR1## wherein Dye represents a cyan dye group or a precursor thereof represented by formula (II) defined in the specification;X represents a chemical bond or a linking group;Y represents a group which releases Dye corresponding to or countercorresponding to light-sensitive silver salt having an imagewise latent image and makes a difference in diffusibility between the dye thus released and the compound represented by formula (I), provided that Dye and X are linked to each other by A or E in formula (II); andq represents an integer of 1 or 2, provided that when q is 2, the two groups (Dye--X) may be the same or different.
摘要:
A novel method for formation of an image comprising a heating step, comprising the heating carried out in the presence of a compound of general formula (I):X--SO.sub.2 (DI) (I)wherein X represents a reducing group capable of reducing a silver salt and capable of being oxidized by heating and in its oxidized state capable of releasing a compound represented by (DI)--SO.sub.2 NH.sub.2 by reaction with a nucleophilic agent; and (DI) represents a development inhibiting group capable of inhibiting the oxidation reduction reaction of the silver salt and a reducing aent.The compound of the formula (I) functions to inhibit development after a certain period of time from the beginning of heat development.The present method provides a stable image with reduced fog and image mottle.
摘要:
The present invention is directed towards a betaine-type monoazo dye for dying and printing fibrous materials, represented by formula (I):Dye--X--Y (I)wherein Dye represents a cyan dye anion represented by formula (II);X represents a bond or linking group;Y represents quaternary ammonium; andDye and X are bonded to each other via A, B.sup.1, B.sup.2, B.sup.3, B.sup.4 or B.sup.5 in formula (II): ##STR1## wherein B.sup.1, B.sup.2, B.sup.3, B.sup.4 and B.sup.5 are the same or different, and each represents a member selected from the group consisting of a bond, hydrogen, alkyl, halogen, --OR.sup.4, --CO.sub.2 R.sup.4, ##STR2## wherein R.sup.4 and R.sup.5 are the same or different and each represents a member selected from the group consisting of hydrogen, alkyl and aryl, or R.sup.4 and R.sup.5 are taken together to form 5- or 6-membered heterocyclic ring containing oxygen, nitrogen, sulfur or combinations thereof as heteroatoms;A represents a member selected from the group consisting of hydrogen, alkyl, aryl, cycloalkyl, a 5- or 6-membered heterocyclic ring containing oxygen, nitrogen, sulfur or combinations thereof as heteroatoms and ##STR3## wherein A.sup.2 and A.sup.3 have the same meaning as A, or A.sup.2 and A.sup.3 are bonded to each other to form a 5- or 6-membered heterocyclic ring containing oxygen, nitrogen, sulfur or combinations thereof as heteroatoms;E represents a member selected from the group consisting of hydrogen, halogen, cyano, hydroxyl, carboxyl, alkyl, aryl, a 5- or 6-membered heterocyclic ring containing oxygen, nitrogen, sulfur or combinations thereof as heteroatoms, alkoxy, aryloxy, alkylthio, arylthio, carbacylamino, sulfonylamino, carbamoyl, amino, alkylsulfonyl and phenylsulfonyl;G represents a member selected from the group consisting of cyano, alkylsulfonyl and phenylsulfonyl;J represents a member selected from the group consisting of hydrogen, halogen, cyano, alkylsulfonyl and phenylsulfonyl; andR.sup.1 represents a member selected from the group consisting of hydrogen and alkyl.
摘要:
A method for forming an image, which comprises heating a light-sensitive material in the presence of a compound capable of forming a 2-mercaptobenzazole ring by a ring closing reaction when heated.In accordance with the method of the present invention, development is stopped at an appropriate time of development whereby an image having a high maximum density and low fog is obtained.A heat-developable light-sensitive material containing the compound is also disclosed.
摘要:
A heat developable light-sensitive material containing a compound represented by general formula (I) described below in a light-sensitive layer or an image receiving layer thereof: ##STR1## wherein X represents an atomic group necessary to complete a benzene ring or a naphthalene ring; R represents a group convertible to a hydroxy group or a dissociation form thereof at the time of heat development; Y represents an atomic group necessary to complete a 5-membered or 6-membered heterocyclic group containing at least one nitrogen atom; Q represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group; TIME represents a timing group; and n represents 0 or a positive integer. The heat developable light-sensitive material containing the compound represented by general formula (I), which is stable at room temperature and releases a development inhibitor to stop the development at the time of heat development, can provide a color image having a high S/N ratio and a high density.
摘要:
A silver halide color light-sensitive material comprising a support having thereon at least a silver halide and an infrared-absorbing image-forming compound represented by formula (I):(Dye --X).sub.q --Y (I)wherein Dye represents an infrared-absorbing dye group or an infrared-absorbing dye precursor group derived from a compound represented by formula (II)A, (II)B or (II)C; X represents a chemical bond or a connecting group; Y represents a group capable of making a difference in the diffusibility of the dye component of said compound represented by formula (I) between before and after the reaction with the silver halide having a latent image in correspondence or counter correspondence to the silver halide; having a latent image and q represents an integer 1 or 2, and when q is 2, the two (Dye-X) groups may be the same or different: ##STR1## wherein R.sup.1A and R.sup.2A may be the same or different and each represents a substituent as defined in the specification; and Ar represents an aryl group or a heterocyclic group, which substituents may be further substituted by other substituents; ##STR2## wherein R.sup.1B has the same meaning as R.sup.1A ; R.sup.2B represents a substituent selected from the group consisting of an alkyl group, an aryl group, a heterocyclic group, an alkoxy group and an amino group; and R.sup.3B represents a substituent as defined in the specification; ##STR3## wherein R.sup.1C and R.sup.2C may be the same or different and each has the same meaning as R.sup.1A ; and m and n each represents an integer of from 0 to 4, with the proviso that if m and n each is 2 to 4, the plurality of substituents may be the same or different, these substituents may be further substituted by other substituents;Dye and X may be bonded to each other in any position in formulas (II)A, (II)B and (II)C.
摘要:
An image-forming process involving a heating step is disclosed, which comprises conducting the heating in the presence of a compound represented by the following general formula (I): ##STR1## wherein: R.sup.1 and R.sup.2, which may be the same or different, each represents a group selected from an aryl group, a substituted aryl group, a heterocyclic group, and a substituted heterocyclic group;R.sup.3 represents a hydrogen atom, an alkyl group, a substituted alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aralkyl group, a substituted aralkyl group, or a group selected from those which are referred to with respect to R.sup.1 and R.sup.2 ;R.sup.1, R.sup.2, and R.sup.3 may form a ring structure via a hydrocarbon chain, a hetero atom-containing hydrocarbon chain or a hetero atom, or may be directly bound to each other to form a ring structure; andPUG represents a photographically useful group.
摘要:
A color light-sensitive material is provided, having at least one image forming compound of the following formula (I) on a support(Dye--X).sub.q --Y (I)wherein Dye represents a magenta dye residue or a dye precursor residue represented by the following formula (II); X represents a bond or a binding group; Y represents a group capable of yielding a difference in diffusibility of a dye component before and after the reaction with a photographic silver salt imagewise having a latent image, corresponding to or reversely corresponding to said photographic silver salt; q is 1 or 2, and when q is 2, Dye-X may be the same or different; ##STR1## wherein the symbols are defined in the specification and claims.
摘要:
A process of forming images by heat developing a heat developable light-sensitive material after imagewise exposure is described, comprising heating a heat developable light-sensitive material in the presence of a compound represented by general formula (I) ##STR1##
摘要:
A method for forming an image which has a step of heating an image-forming material in the presence of a compound represented by formula (I), whereby unevenness of image density and increase in fog due to fluctuation of development temperature, which have so far been caused in heat-developable photosensitive materials, can be prevented from occurring: ##STR1## wherein R represents a hydrogen atom, or a group selected from a class consisting of groups represented by formulae (A) to (C) ##STR2## wherein R.sup.11 and R.sup.12 each represents a substituted or unsubstituted alkyl group, a cycloalkyl group, a substituted or unsubstituted alkenyl group, an aralkyl group, a substituted or unsubstituted aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, an alkylthio group, an arylthio group, or a substituted or unsubstituted amino group, or R.sup.11 and R.sup.12 combine with each other to form a 5- or 6-membered ring;Q represents a hydrogen atom, an alkyl group, or an aryl group; TIME represents a timing group; PUG represents a photographically useful agent moiety; n represents 0 or an integer; and Z represents atoms forming a benzene ring.