摘要:
A silver halide photographic light-sensitive materials are described. In silver halide photographic printing paper comprising at least one silver halide photographic emulsion layer applied to a water impermeable reflective base, the printing paper of the present invention is in the improvement wherein said silver halide emulsion layer is spectrally sensitized with at least one cyanine dye represented by general formulae I and II, and an emulsified dispersion or latex dispersion of a water insoluble fluorescent whitening agent contained in a hydrophilic vehicle of at least one layer applied to the base on the same side as said silver halide emulsion layer: ##STR1## wherein Y.sub.1 and Y.sub.2 each represents an O atom, --N--R.sub.7 or a S atom, wherein R.sub.7 represents a lower alkyl group, A represents H or a lower alkyl group having 4 or less carbon atoms, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents --H, --CH.sub.3, --OCH.sub.3, --C.sub.2 H.sub.5, --OC.sub.2 H.sub.5, --CN, --Cl, --F, --CF.sub.3, --COOH, --COOCH.sub.3 or --COOC.sub.2 H.sub.5, R.sub.5 and R.sub.6 each represents substituted or non-substituted lower alkyl group, but at least one of R.sub.5 and R.sub.6 is substituted by a sulfo group, and X represents an anionic residue.
摘要翻译:描述了卤化银照相感光材料。 在包含施加到不透水的反射基底上的至少一个卤化银照相乳剂层的卤化银照相印刷纸中,本发明的印刷纸的改进在于其中所述卤化银乳剂层用至少一种花青染料代表光谱增感 通过通式I和II,以及在与所述卤化银乳剂层相同的一侧施加到基底上的至少一层的亲水载体中包含的水不溶性荧光增白剂的乳化分散体或胶乳分散体: 其中Y1和Y2各自表示O原子,-N-R7或S原子,其中R7表示低级烷基,A表示H或碳原子数4以下的低级烷基,R1,R2, R 3和R 4各自表示-H,-CH 3,-OCH 3,-C 2 H 5,-OC 2 H 5,-CN,-Cl,-F,-CF 3,-COOH,-COOCH 3或-COOC 2 H 5, 取代的低级烷基,但是至少一个 R5和R6被磺基取代,X表示阴离子残基。
摘要:
A silver halide photographic printing paper is described, comprising a support and a photographic layer containing a silver halide developing agent, wherein a dispersion of an oil-soluble brightening agent in a high boiling point organic solvent having a specific inductive capacity of 7.5 or less is contained in the photographic layer. This printing paper yields a background of high whiteness even when processed under rapid processing conditions.
摘要:
Photopolymerization initiator compositions having high photosensitivity to light sources giving visible rays and the other rays in the longer wavelengths. The compositions containing polymerizable compounds having at least one ethylenic unsaturated bond and organic boron compound anionic salts of indolenine dye compounds having at least one electron-attracting group in the nuclei can be used for the production of planographic plates, resin letterpress printing plates and photoresists or photomasks for printed circuit substrates. The polymerizable compounds having at least one ethylenic unsaturated bond can be encapsulated to obtain microcapsules to be used for the formation of black and white or color images.
摘要:
A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer with the silver halide photographic material containing, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, provided that the both of R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms, and further, R.sub.1 and R.sub.2 can combine and form a cyclic amino group; R.sub.3 represents a carboxyl group, --COOR.sub.5, --COR.sub.5 or --SO.sub.2 R.sub.5, and R.sub.4 represents a carboxyl group, --COOR.sub.6, or --COR.sub.6 wherein R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms and further, R.sub.5 and R.sub.6 can combine together and form a 1,3-dioxocyclohexane nucleus, a barbituric acid nucleus, a 1,2-diaza-3,5-dioxocyclopentane nucleus, or a 2,4-diazo-1-alkoxy-3,5-dioxocyclohexene nucleus; n is an integer of 1 or 2 and when n is 2, at least one of R.sub.1, R.sub.2 and R.sub.6 may represent an alkylene or arylene group whereby the compound is a dimer; and a method of preventing the effects of ultraviolet light on a silver halide photographic material comprising incorporating into the silver halide photographic material, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) above.
摘要:
A silver halide light-sensitive material is described, comprising(1) an emulsion layer containing light-sensitive silver halide grains, and(2) a layer containing metal salt grains on which a dye is adsorbed, which cannot be substantially developed and are sparingly soluble in water,wherein the absorption maximum of said dye is separated by 20 nm or more from the sensitization maximum of an emulsion layer located in a position farther from the light source than the layer containing said dye.
摘要:
A direct positive silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer of the internal latent image type and being capable of forming a direct positive image, in which at least one hydrophilic colloid layer contains at least one heterocyclic quaternary salt compound represented by the following general formula (I) ##STR1## wherein Z represents an atomic group necessary for forming a 5- or 6-membered heterocyclic nucleus, R.sub.1 represents an aliphatic group, R.sub.2 represents a hydrogen atom or an aliphatic group, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, a halogen atom, an aliphatic group, an alkoxy group, a hydroxy group or an aromatic group, and at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents a propargyl group, a butynyl group or a substituent containing a propargyl or butynyl group, X.crclbar. represents an anion, n is 1 or 2, with n being 1 in the case that the compound forms an inner salt; in such an amount as to exert a fogging effect on the silver halide emulsion of the internal latent image type.
摘要:
The compounds in a preferred form are represented by general formula (I): ##STR1## wherein A and A' are each a group which can be hydrolyzed by hydrogen or alkali; X, Y and Z are each hydrogen, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a thioalkyl group or an electron-withdrawing group; PUG is a group released by a reaction with a light-exposed silver halide and/or the oxidized product of the developing agent, Time is a timing group; Time.sub.t PUG is a group released as .crclbar.TimePUG first when the oxidation-reduction moiety causes a cross reaction during the development and becomes an oxidized product, and is bonded to the benzene nucleus via a sulfur atom, a nitrogen atom or a selenium atom; and t is 0 or 1.
摘要:
A gas sensor including: a cylindrical metal shell; a detection element having a detection portion provided on a front end side thereof, the detection element being fixed inside the metal shell while the detection portion of the detection element protrudes from a front end side of the metal shell; and an element protection cap having ventholes, the element protection cap being fixed to the metal shell so that the detection portion of the detection element is covered with the element protection cap. A crimping cylindrical portion is provided which extends to a front end side of the metal shell. A protrusion portion of the element protection cap which abuts a metal ring packing is provided with concave and convex portions outward along an outer circumferential direction. As such, the metal ring packing is deformed so as to be interlocked with the concave and convex portions when the crimping cylindrical portion is compressively deformed.
摘要:
A processing apparatus for alithographic printing plate, which has a photosensitive material coated thereon and has an image formed with an FM screen or a high definition AM screen, by a developing part and a rinsing part in this order, in which a concavo-convex part or grooves are provided on a lower roller of a pair of feeding roller at a feeding port of the rinsing part.
摘要:
The present invention related to an ink for an ink jet comprising: a coloring composition containing coloring particulates dispersed in a water-based medium, the coloring particulates containing an oil-soluble polymer and an oil-soluble dye represented by at least one of following formulae (I), (II), (III), (IV), wherein R1, R2, R3 and R4 each represent a hydrogen atom or a non-metallic atomic group; X represents —OH or NR5R6; R5 and R6 each represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R7, R8 and R9 each represent a hydrogen atom or a non-metallic atomic group; at least one of R1 and R2, or R2 and R5, or R5 and R6, or R6 and R3, or R3 and R4 may form a ring structure; and R7 and R8 may bind together to form a ring structure