摘要:
According to this invention a developer has been disclosed having a low pH value between 9.6 and 11.0, preferably between 9.6 and 10.3, and comprising hydroquinone in an amount from 0 to less than 30 g per liter, an auxiliary developing agent, and as silver halide complexing agents alkali metal sulphite salts, preferably sodium salts, in an amount from 0 to less than 50 g per liter, more preferably to less than 40 g per liter, and thiocyanate salts in amounts from 0.1 to 3 g, more preferably from 0.5 to 2.5 g per liter, and at least 1 g of a compound corresponding to the formula (I), a precursor thereof, a derivative thereof and/or a metal salt thereof wherein each of A, B and D independently represents an oxygen atom or NR1; X represents an oxygen atom, a sulphur atom, NR2; CR3R4; C═O; C═NR5 or C═S; Y represents an oxygen atom, a sulphur atom, NR′2; CR′3R′4; C═O; C═NR′5 or C═S; Z represents an oxygen atom, a sulphur atom, NR″2; CR″3R″4; C═O; C═NR″5 or C═S; n equals 0, 1 or 2; each of R1 to R5, R′1 to R′5 and R″1 to R″5, independently represents hydrogen, subsituted or unsubstituted alkyl, aralkyl, hydroxyalkyl, carboxyalkyl; substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl or substituted or unsubstituted heterocyclyl; and wherein R3 and R4, R′3 and R′4, R″3 and R″4, may further form together a ring; and wherein in the case that X═CR3R4 and Y═CR′3R′4, R3 and R′3 and/or R4 and R′4 may form a ring and wherein in the case that Y═CR′3R′4 and Z═CR″3R″4 with n=1 or 2, R′3 and R″3 and/or R′4 and R″4 may form a ring.
摘要翻译:根据本发明,已经公开了具有9.6至11.0之间的低pH值,优选9.6至10.3的显影剂,并且包含量为0至小于30g /升的氢醌,辅助显影剂和卤化银 络合剂碱金属亚硫酸盐,优选钠盐,其量为0至小于50克/升,更优选至少于40克/升,硫氰酸盐的量为0.1至3克,更优选为0.5至 2.5g /升,和至少1g对应于式(I)的化合物,其前体,其衍生物和/或其金属盐,其中A,B和D的独立地表示氧原子或NR 1; X 表示氧原子,硫原子,NR 2; CR3R4; C = O; C = NR5或C = S; Y表示氧原子,硫原子,NR'2; CR'3R'4; C = O; C = NR'5或C = S; Z表示氧原子,硫原子,NR'2; CR''3R''4; C = O; C = NR''5或C = S; n等于0,1或2; R1至R5,R'1至R'5和R'1至R'5各自独立地表示氢,取代或未取代的 烷基,芳烷基,羟基烷基,羧基烷基; 取代或未取代的烯基,取代或未取代的炔基,取代或未取代的环烷基,取代或未取代的环烯基,取代或未取代的芳基或取代或未取代的杂环基; 并且其中R 3和R 4,R'3和R'4,R“3和R”4可进一步一起形成环; 并且在X = CR 3 R 4和Y = CR 3 R 4的情况下,R 3和R'3和/或R 4和R'4可以形成环,并且其中在Y = CR'3R'4和Z = 具有n = 1或2的CR''3R''4,R'3和R'3和/或R'4和R'4可以形成环。
摘要:
A photographic developing solution and a method of developing silver halide materials in the said developing solution is disclosed, the said developing solution comprising hydroquinone in an amount from 0 to 30 g per litre, an auxiliary developer, and silver halide complexing agents in an amount from 0 to 50 g per litre, characterized in that said developer further comprisesin amounts from 0.1 to 5 g per litre a compound corresponding to the formula (I), accompanied by charge compensating anions,Z'N.sup.+ --R--N.sup.+ Z" (I)wherein at least divalent group R contains at least one oxyethylene group and wherein Z' and Z", being the same or different, are composed of enough atoms to form a heterocyclic aromatic 5- or 6-ring;andat least 1 g of a compound corresponding to the formula (II), a precursor thereof, a derivative thereof and/or a metal salt thereof ##STR1## wherein each of A, B and D independently represents an oxygen atom or NR.sup.1 ;X represents an oxygen atom, a sulphur atom, NR.sup.2 ; CR.sup.3 R.sup.4 ;C=O; C=NR.sup.5 or C=S;Y represents an oxygen atom, a sulphur atom, NR.sup.'2 ; CR.sup.'3 R.sup.'4 ; C=O, C=NR.sup.'5 or C=S;Z represents an oxygen atom, a sulphur atom, NR.sup."2 ; CR.sup."3 R.sup."4 ; C=O; C=NR.sup."5 or C=S;n equals 0, 1 or 2;each of R.sup.1 to R.sup.5, R.sup.'1 to R.sup.'5 and R.sup."1 to R.sup."5 independently represents hydrogen, alkyl, aralkyl, hydroxyalkyl, carboxyalkyl; alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl or heterocyclyl;and whereinR.sup.3 and R.sup.4, R.sup.'3 and R.sup.'4, R.sup."3 and R.sup."4, may further form together a ring; andwherein in the case that X=CR.sup.3 R.sup.4 and Y=CR.sup.'3 R.sup.'4, R.sup.3 and R.sup.'3 and/or R.sup.4 and R.sup.'4 may form a ring and wherein in the case that Y=CR.sup.'3 R.sup.'4 and Z=CR.sup."3 R.sup."4 with n=1 or 2, R.sup.'3 and R.sup."3 and/or R.sup.'4 and R.sup."4 may form a ring.
摘要:
A method of reproducing an electronically stored medical image on a hardcopy material is disclosed, said material comprising a support and on only one side thereof a silver halide emulsion layer and a hydrophilic colloid layer, wherein said emulsion layer comprises red sensitized homogeneous cubic silver chloride, silver chloroiodide, silver chlorobromide or silver chlorobromoiodide crystals having not less than 70 mole % of chloride ions and preferably not less than 90 mole %; not more than 1 mole % of iodide ions and an average crystal size of from 0.12 to 0.30 .mu.m and more preferred from 0.15 to 0.25 .mu.m; wherein said crystals are coated in an amount, expressed as an equivalent amount of silver nitrate of from 2 to 6 g per sq.m., and wherein said material has a hardening degree corresponding with a water absorption of up to 3 g per gram of gelatin at an emulsion side, the said water absorption being measured by the method disclosed herein; said method of image formation being characterized by the steps of image-wise exposure of said material with an electronically adressed red or infrared laser followed by development processing in a developer free from hardening agents in less than 20 seconds in a total processing time from 30 to 50 seconds from dry to dry, wherein said developer contains a compound corresponding to formula (I) given herein, a precursor thereof, a derivative thereof and/or a metal salt thereof, being more preferably (iso)ascorbic acid; replenishing said developer in an amount of not more than 100 ml per square meter of developed material; fixing said developer in a time from 2 to 10 seconds; rinsing and drying.
摘要:
A method has been disclosed of processing an exposed silver halide photographic material comprising at least one coated hydrophilic silver halide emulsion layer comprising tabular grains rich in chloride, bounded by [100] or [111] major faces, characterized by the steps of developing, followed by fixing, rinsing and drying the said material, wherein developing proceeds in a developer, comprising hydroquinone in an amount from 0 to 30 g per liter, an auxiliary developer, as silver halide complexing agents alkali metal sulphite salts in an amount from 1 to 50 g per liter, at least 1 g of a compound corresponding to the formula (I), a precursor thereof, a derivative thereof and/or a metal salt thereof ##STR1## wherein the substituents are defined in the main embodiment of the specification.
摘要:
A multilayer light-sensitive silver halide photographic negative image type material and a method to prepare said material has been described, said material comprising on at least one side of a support a multilayer composition of at least two layers of negative image type silver halide emulsions adjacent to each other, wherein the emulsion layer closest to the said support comprises tabular emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {111} crystal habit and silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {100} crystal habit and wherein the adjacent layer(s) farther from the said support comprise(s) essentially cubic emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide and silver bromide, wherein the essentially cubic grains are less sensitive than the tabular grains and wherein the said tabular emulsion crystals having {111} or {100} major faces have at least 50 mole % of chloride.
摘要:
A heat-sensitive imaging element includes an IR dye having a structure according to Formula I, wherein at least one of the Rd groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-donor than the Rd; or wherein at least one of the Ra groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-acceptor than the Ra. The imaging element is able to form a visible print-out image with a high contrast directly after image-wise exposure by IR-radiation or heating.
摘要:
A heat-sensitive negative-working lithographic printing plate precursor comprising: a support having a hydrophilic surface or which is provided with a hydrophilic layer; and an image-recording layer comprising hydrophobic thermoplastic polymer particles, an infrared light absorbing dye and a dye; wherein said dye has a specified structure and a most bathochromic light absorption peak between 451 nm and 750 nm.
摘要:
A heat-sensitive negative-working lithographic printing plate precursor include a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles, a binder, and an infrared absorbing dye; wherein the hydrophobic thermoplastic polymer particles have an average particle diameter, measured by Photon Correlation Spectroscopy, of more than 10 nm and less than 40 nm; the amount of the IR-dye, without taking into account an optional counter ion, is more than 0.80 mg per m2 of the total surface of the thermoplastic polymer particles, measured by Hydrodynamic Fraction; and—the amount of hydrophobic thermoplastic polymer particles relative to the total weight of the ingredients of the imaging layer is at least 60-%.
摘要翻译:热敏负性平版印刷版原版包括具有亲水性表面的或具有亲水层的涂层和设置在其上的涂层的涂层,该涂层包括图像记录层,该图像记录层包括疏水性热塑性聚合物颗粒,粘合剂, 和红外吸收染料; 其中所述疏水热塑性聚合物颗粒具有通过光子相关光谱测量的平均粒径大于10nm且小于40nm; 通过流体力学分数测量,不考虑任选的抗衡离子的IR染料的量大于0.80mg / m 2热塑性聚合物颗粒的总表面; 和 - 相对于成像层的成分的总重量,疏水性热塑性聚合物颗粒的量为至少60%。
摘要:
A method for making a lithographic printing plate includes the steps of (i) providing a negative-working, heat-sensitive lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles, a binder, and an infrared absorbing dye, wherein the hydrophobic thermoplastic polymer particles have an average particle diameter, measured by Photon Correlation Spectroscopy, of more than 10 nm and less than 40 nm, and the amount of the IR-dye, without taking into account an optional counter ion, is more than 0.70 mg per m2 of the total surface of the thermoplastic polymer particles, measured by Hydrodynamic Fractionation, and the amount of hydrophobic thermoplastic polymer particles relative to the total weight of the ingredients of the imaging layer is at least 60%; (ii) exposing the precursor to infrared light; and (iii) developing the exposed precursor in an alkaline aqueous solution.
摘要:
A layer configuration on a support, the layer configuration comprising a non-photoactive element exclusive of unsubstituted poly(3,4-alkylenedioxythiophene)s, the element containing at least one polymer selected from the group consisting of polycarboxy-polymers, optionally quaternized polyamine-polymers and poly(vinylphosphonic acid), the surface of one side of the element being contiguous with a positive electrode and the surface on the opposite side of the element being contiguous with a material capable of transporting holes.