54results about "Stilbene-azo dyes" patented technology

An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I. Direct Yellow 86, C.I. Acid Yellow 23, C.I. Direct Yellow 173, C.I. Direct Yellow 132 and C.I. Direct Yellow 59, and a compound represented by the following the general formula (I) or a salt thereof.

To provide an ink jet yellow ink to be used in combination with ink excellent in light resistance and environmental gas resistance with a color fading balance with respect to light and an environmental gas between the inks uniformized. The ink jet yellow ink is an ink jet yellow ink to be used for forming an image together with a cyan ink comprising a compound represented by a general formula (1) or a compound represented by a general formula (2) as a coloring material, the ink jet yellow ink comprising: at least one kind of coloring material selected from the following A group; and at least one kind of coloring material selected from the following B group.A group: C.I. Direct Yellow 132 and C.I. Direct Yellow 173B group: C.I. Direct Yellow 142, C.I. Direct Yellow 86, and a compound represented by a general formula (3).

To provide an ink jet yellow ink having a favorable color tone and capable of providing an image excellent in humidity resistance. The ink jet yellow ink of the present invention is an ink jet yellow ink to be used in combination with an ink jet light-color ink comprising at least a coloring material and a water-soluble organic solvent, wherein the coloring material of the ink jet yellow ink is a compound represented by the following General Formula (I) or a salt thereof, and wherein the ink jet light-color ink satisfies a specific condition;wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; andY≦2.8X+10.  Expression (1)

An azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for ink-jet recording and which can give records having excellent light fastness, water resistance, and moisture proofness, and such ozone resistance as to control the fading and the discoloration; and water-base yellow inks containing the same. In particular, the azo compound represented by the formula (12) having a content of impurity copper ions of 100 ppm or below or salts thereof, and inks containing the same

An aqueous ink composition which comprises a compound represented by the formula (1) or the salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, a sulfonic acid group, a carboxyl group or an ureido group, m and n independently represent 1 or 2, and M1 represents a cation from a hydrogen atom, an alkali metal, an alkaline earth metal or an organic amine, or an ammonium ion. The composition has a hue and clarity suitable for the ink-jet recording, and can provide a recorded matter which is excellent in light resistance, water resistance and moisture resistance and can be controlled with respect to the degree of the discoloration or fading by the action of ozone.

Disclosed is an azo compound represented by the general formula (1) or a salt thereof:wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.

Disclosed is an azo compound represented by the general formula (1) or a salt thereof:wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.

The invention discloses an active dark blue to black dye composition and a dye product. The active navy blue to black dye composition comprises a component A and a component B. The component A is selected from one or more dye compounds shown as a formula (I) or alkali metal salts thereof, and the component B is selected from one or more dye compounds shown as a formula (II) or alkali metal salts thereof. Based on the component A and the component B, the mass percentage of the component A is 5-50%, and the mass percentage of the component B is 50-95%. The invention provides an active navy blue-to-black dye product. The active navy blue-to-black dye product contains the active navy blue-to-black dye composition. The active navy blue-to-black dye composition and the dye product have the characteristics of good fastness to washing, high fixation rate, good lifting power and the like, and are suitable for printing and dyeing nitrogen-containing and / or hydroxyl-containing fiber materials andblended fabrics of the nitrogen-containing and / or hydroxyl-containing fiber materials.

Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability using the composition, and a polarization plate prepared thereby. The new dichroic dye has a structure of R1-L1-(M,L,D) (where, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures). The composition for a polarization film includes the dichroic dye. In the method for forming the polarization plate, the composition for a polarization film is applied to a substrate and cured to prepare the polarization plate. The polarization plate has excellent dichroic ratio, heat resistance, durability, and polarizing properties.

The invention disclosed in this document is related to the field of pesticides and their use in controlling pests. A compound having the following structure is disclosed.

An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I. Direct Yellow 86, C.I. Acid Yellow 23, C.I. Direct Yellow 173, C.I. Direct Yellow 132 and C.I. Direct Yellow 59, and a compound represented by the following the general formula (I) or a salt thereof.

Disclosed is an azo compound represented by the general formula (1) or a salt thereof:wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.

Provided is a synthesis method for a self-dispersible pigment, including performing ring-opening addition of a lactone-based compound to an acidic group bonded to a surface of a pigment particle directly or via another atomic group to bond a functional group including an ester group to the surface of the pigment particle.

To provide a polarizing element and a polarizing plate which have improved optical characteristics and durability. A polarizing element which is characterized by being formed of a stretched polyvinyl alcohol resin film that adsorbs, as a free acid, at least one dichroic dye that is a compound represented by formula (I) or a salt thereof and which is also characterized in that the polyvinyl alcohol resin has a polymerization degree of from 5,000 to 10,000. (In the formula, A represents a substituted phenyl group or a naphthyl group; each of R1-R6 independently represents a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, a sulfo group or a lower alkoxy group having a sulfo group; X represents an optionally substituted amino group, an optionally substituted benzoylamino group, an optionally substituted phenylamino group, an optionally substituted phenylazo group or an optionally substituted naphthotriazole group; and m represents 0 or 1.)

Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability using the composition, and a polarization plate prepared thereby. The new dichroic dye has a structure of R1-L1-(M,L,D) (where, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures). The composition for a polarization film includes the dichroic dye. In the method for forming the polarization plate, the composition for a polarization film is applied to a substrate and cured to prepare the polarization plate. The polarization plate has excellent dichroic ratio, heat resistance, durability, and polarizing properties.

A polarizing film comprising a substrate, and a photo alignment film and a light absorption anisotropic film laminated on the substrate in this order, wherein the light absorption anisotropic film has a content ratio of 30% by mass or less of a liquid crystalline non-colorable low molecular weight compound and is obtained by fixing the alignment of a dichroic dye composition comprising at least one nematic liquid crystalline azo dichroic dye; in X-ray diffraction measurement thereof, diffraction peaks derived from periodic structure along a vertical direction to the alignment axis are present, the period indicated by at least one of the diffraction peaks is 3.0 to 15.0 Å and an intensity of the diffraction peak does not show a maximum value in the range of ±70° of the film normal line direction in a plane vertical to the alignment axis.