12results about "Isoindoline dyes" patented technology

Provided is a biomass-derived isoindoline compound (such as KII or DII) which is safe and can be obtained in a clean and carbon neutral approach. An isoindoline compound containing a radioactive carbon atom 14C and being represented by the following formula (I): in which, in the formula (I), A and B each independently represent an oxygen atom or NH, and R1 to R4 each independently represent a hydrogen atom, a linear or branched alkyl group having 1 to 12 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or a phenyl group which is optionally substituted with an alkyl group, wherein R2 and R3 optionally undergo ring closure to form a 5- to 8-membered ring.

To provide a colored composition for color filters that exhibits high contrast ratio due to low aggregation of pigments, fewer film defects in the coating even when stored for a long period under temperature fluctuations, and good pattern characteristic dependence with respect to the time from application to exposure when used as a colored curable composition. To provide a colored curable composition for color filters, a color filter, a solid-state image sensor, and an image display device using the colored composition for color filters. [Solution] A coloring composition for color filters comprising a pigment (A), a dye derivative (B), a resin-type dispersant (C), and an organic solvent (D), wherein the dye derivative (B) comprises a compound having a heterocycle (B1), a compound having a heterocycle (B2), and a compound having a heterocycle (B3), and the mass ratio of compounds (B1) to (B3) satisfies a specific range.

An isoindoline derivative of formulawhereinX is N, C—CN or C—COR2;Y is a radical having an acidic group or a basic group;R1 is independently from one another halogen or C1-C4-alkyl, said alkyl is unsubstituted or substituted with halogen;R2 is C1-C4-alkyl, said alkyl is unsubstituted or substituted with halogen; andn is 0, 1, 2, 3 or 4,with the proviso that Y does not include an acidic group if X is C—CN or C—COR2, and compositions containing the same are provided. The isoindoline derivative and the pigment composition are suitable, for example, for coloring high molecular mass organic material, especially paints, printing inks, resist formulations for color filter applications, electrophotographic toners, cosmetics, plastics, films or fibers.

The pigment composition contains the isoindoline compound represented by formula (1) below and the isoindoline compound represented by formula (2) below. In the formulae (1) and (2), R1 to R4 represent hydrogen atoms, R5 and R6 each independently represent alkyl groups, and A and A′ represent a group represented by formula (3) below or formula (5) below. In the formula (3) and (5), X represents —O— or —NH—, R7 represents an alkyl group or an aryl group, and R10 to R14 each independently represent hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, thioalkyl groups, or thioaryl groups,

To provide a coloring agent including a methylated diketo-pyrrolo-pyrrole pigment, having an excellent spectral characteristic, a high contrast ratio, a viscosity stability, and a solvent resistance, and causes less generation of foreign materials due to defective dispersion and less generation of foreign material due to a heating process.SOLUTION: The present invention relates to a coloring agent containing a methylated diketo-pyrrolo-pyrrole pigment expressed by a chemical formula (1). The X-ray diffraction pattern of a CuKα-ray has its peak when the Bragg angle 2θ is 2θ(±0.3)=15.7° and 27.0°. The coloring agent has a crystal type in which the intensity ratio (H2 / H1) when the diffraction intensity of 15.7° is denoted by H1 and the diffraction intensity of 27.0° is denoted by H2 is in the range of 1.5 to 2.6, both inclusive.SELECTED DRAWING: None

The object of this invention is to provide a color-curable resin composition that can reduce crosstalk in color filters. [Solution] The present invention relates to a colored curable resin composition comprising a colorant, a resin, a polymerizable compound, and a polymerization initiator, wherein the colorant comprises a first pigment composed of at least one selected from an orange pigment and a red pigment, and a yellow pigment, the first pigment comprises a diketopyrrolopyrrole pigment and an azo pigment, and the yellow pigment comprises CI Pigment Yellow 180.

An object of the present invention is to provide a coloring curable resin composition capable of reducing crosstalk of color filters.SOLUTION: The present invention relates to a coloring curable resin composition including a colorant, a resin, a polymerizable compound, and a polymerization initiator, in which the colorant includes C. I. Pigment Yellow 185, a xanthene colorant, and at least one selected from the group consisting of a red pigment and an orange pigment.SELECTED DRAWING: None

An object of the present invention is to provide a compound having excellent heat resistance. 【Solution means】The above problem can be solved by a compound represented by the following formula (I). TIFF2026081544000021.tif6595 [In the formula, A 1 ~A 4 each independently represents a cyano group, a nitro group, a C(O)R x group, a C(O)OR x group, a S(O)R x group and the like. R 1 and R 2 each independently represents a substituted / unsubstituted aromatic hydrocarbon group having 6 to 20 carbon atoms, or a substituted / unsubstituted heterocyclic group.]

Provided are a bio-derived isoindoline compound that can be used as an isoindoline-based yellow pigment and obtained by a safe, clean and green, and carbon-neutral approach, and a composition containing the isoindoline compound. The isoindoline compound contains a radiocarbon atom 14C and has a group represented by the following formula (A) . (In the formula (A), R1 to R4 each independently represent a hydrogen atom, a linear or branched alkyl group having 1 to 12 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or a phenyl group that is optionally substituted with an alkyl group. Note that R2 and R3 are optionally ring-closed to form a 5- to 8-membered ring. R7 and R8 each independently represent a hydrogen atom, a linear or branched alkyl group having 1 to 12 carbon atoms, or a phenyl group that is optionally substituted with an alkyl group. * represents a bonding hand.)

The present invention provides a composition, film, optical filter, solid-state image sensor, image display device, infrared sensor, camera module, and near-infrared absorbing dye capable of forming a film in which the occurrence of foreign matter defects is suppressed. [Solution] A composition comprising a near-infrared absorbing dye having an inclusion compound structure a1 in which a compound represented by formula (1) is a guest and a cyclic compound that encloses the aforementioned guest is a host, or an inclusion compound structure a2 in which a compound having a pigment structure derived from a compound represented by formula (1) is a guest and a cyclic compound that encloses the pigment structure of the aforementioned guest is a host, a curable compound, and a solvent. JPEG2026049421000090.jpg30170

To provide a bio-derived isoindoline compound which can be used as an isoindoline-based yellow pigment and is produced by a safe, clean, green and carbon-neutral approach; and a composition containing the isoindoline compound.SOLUTION: An isoindoline compound contains a radiocarbon atom 14C and has a group represented by formula (A).SELECTED DRAWING: None

Provided is a pigment composition that includes an isoindoline compound, has excellent dispersibility, weather resistance and heat resistance, and good storage stability, and is capable of forming images having high chroma and the like, the pigment composition including an isoindoline compound represented by formula (1) and an isoindoline compound represented by formula (2). Also provided are a colorant composition, a coating material, an ink, an ink set, a printed matter, and a packaging material.