摘要:
An ink includes at least one coloring matter represented by a formula (1): wherein X1 represents one of —CR1═ and a nitrogen atom; X2 represents one of —CR2═ and a nitrogen atom; X3 represents one of —CR3═ and a nitrogen atom; R1, R2 and R3 each independently represents one of a hydrogen atom and a substituent; when R1, R2 and R3 each represents a substituent, the substituent may have a substituent; A represents one group selected from a prescribed pyridine ring group, pyrimidine ring group and quinoline ring group.
摘要:
A novel ink composition, which has an absorption characteristic excellent in color reproducibility as a yellow color of one of the three primary colors, which has enough fastness against light, heat and humidity, and which does not cause bronze phenomenon, is provided. The ink composition contains water, a yellow dye having an oxidation potential nobler than 1.0 V, and an aromatic compound, aliphatic compound and/or a salt thereof having at least one of carboxyl group, sulfo group and phosphoric acid group.
摘要:
Problem to be Solved:To provide an ink composition capable of giving printed matter excellent in gas fastness and light fastness and free from generation of a bronzing phenomenon, an inkjet recording method using the ink composition, and recorded matter which is recorded by the recording method.Means to Solve the Problem:An ink composition comprising at least water, a cyan dye represented by the formula shown below and an aromatic compound having a carboxyl group and/or a salt thereof; an inkjet recording method using the composition; and recorded matter which is recorded by the recording method. [wherein M represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide or a metal halide, R1 to R4 each independently represents —SO2Z, and Z represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, provided that at least one of four Z's has an ionic hydrophilic group as a substituent].
摘要:
A phthalocyanine dye mixture having a specific structure, an ink using the dye mixture, an inkjet recording ink, an inkjet recording method and a method for improving preservability of image formed are provided.
摘要:
A novel ink composition, which has an absorption characteristic excellent in color reproducibility as a yellow color of one of the three primary colors, which has enough fastness against light, heat and humidity, and which does not cause bronze phenomenon, is provided. The ink composition contains water, a yellow dye having an oxidation potential nobler than 1.0 V, and an aromatic compound, aliphatic compound and/or a salt thereof having at least one of carboxyl group, sulfo group and phosphoric acid group.
摘要:
To provide an ink stock solution excellent in handleability, a method for producing the same, an ink composition using the ink stock solution, particularly suitable for an ink for inkjet recording, and a method for producing the same, the ink stock solution includes a dye and a viscosity reducing agent, wherein the ink stock solution has a solid concentration of the dye of 7% or more by weight; the method for producing the ink stock solution includes adding a dye to a water and dissolving the dye in the water, and then, adding a viscosity reducing agent to control the viscosity; the method for producing the ink stock solution includes dissolving a dye, a water and a viscosity reducing agent all together; and the ink composition includes the ink stock solution and has a viscosity of 1 to 30 mPa·s.
摘要:
A silver halide color photographic lightsensitive material contains a coupler represented by formula (I) below in at least one layer on a support (in this formula, X represents a hydrogen atom or a group which can split off by a coupling reaction with an oxidized form of an aromatic primary amine color developing agent, each of R1 and R2 represents an electron-attracting group having a Hammett's substituent constant &sgr;p value of 0.20 or more, and the sum of the &sgr;p values of R1 and R2 is 0.65 or more, and each of G1 and G2 represents a nitrogen atom or a substituent). A pyrrolotriazble compound represented by formula (I) below is also provided.
摘要:
An ink composition having a suitably-adjusted hue and causing no decomposition of dyes during storage is provided. The ink composition contains a compound (a) represented by the following formula (1), an ingredient (c) and moisture-retentive agents, characterized by being from 0.1 mass % to lower than 7.0 mass % in content of the compound represented by the formula (1), 10.0 mass % or lower in content of a moisture-retentive agent having 3 or more hydroxyl groups (b) and lower than 30.0 in molar ratio of the moisture-retentive agent having 3 or more hydroxyl groups to the compound represented by the formula (1): wherein each of Ar1 and Ar2 preferably represents an aromatic heterocyclic group, each of A1 and A2 represents a hydrogen atom or a substituent, Y represents —OM or —NR1R2, M represents a hydrogen atom or a metal ion and each of R1 and R2 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group or the like. The ingredient (c) is at least one compound selected from C.I. Direct Yellow 59, id. 86, id. 132 or the like.
摘要翻译:提供了具有适当调节的色调并且在储存期间不会分解染料的油墨组合物。 油墨组合物含有由下式(1)表示的化合物(a),成分(c)和保湿剂,其特征在于,由以下化合物表示的化合物的含量为0.1质量%以上且低于7.0质量% 式(1),具有3个以上羟基(b)且低于30.0的具有3个以上羟基的保湿剂的保湿剂相对于所表示的化合物的保湿剂的含量为10.0质量%以下 式(1)中,Ar 1和Ar 2优选表示芳香族杂环基,A 1和A 2分别表示氢原子或取代基,Y表示-OM或-NR 1 R 2,M表示氢原子或金属离子 R 1和R 2各自表示氢原子,烷基,芳基,杂环基等。 成分(c)是选自C.I.的至少一种化合物。 直接黄色59,id。 86,id。 132等。
摘要:
To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution in contact with a diazonium salt (8) derived from a heterocyclic amine,
摘要:
An ink set including at least a yellow ink composition, a magenta ink composition and a cyan ink composition, wherein the yellow ink composition contains, as the yellow colorant, at least one member selected from the group consisting of a compound represented by a specific structure and a salt thereof, each of the yellow colorant, the magenta colorant and the cyan colorant contained in the yellow ink composition, the magenta ink composition and the cyan ink composition, respectively, has at least one ionic hydrophilic group, the counter ion of the ionic hydrophilic group contains a lithium ion, and the lithium ion concentration is 70 mol % or more based on all cations in each ink composition.