1172results about "Organic dyes" patented technology

To provide a composition for forming a green coating film which exhibits excellent dispersibility and demonstrates excellent brightness and contrast ratio upon formation of the green coating film.SOLUTION: A composition for forming a green coating film of the present invention comprises: C.I. Pigment Yellow 150 and / or a derivative thereof; a phthalocyanine-based green pigment; a derivative represented by formula 1; an acidic dispersant having an acid value of 40 mgKOH / g or more and 90 mgKOH / g or less; and a solvent. R1 and R2 are independently hydrogen, an alkyl group, a benzyl group, a phenyl group, or the like.SELECTED DRAWING: None

An aqueous ultraviolet-absorbing resin emulsion, and an aqueous resin emulsion composition containing the emulsion is provided, wherein the emulsion is excellent in compatibility with a synthetic resin and light resistance. Also, the emulsion improves stability in blending with an aqueous emulsion of the synthetic resin, and prevents bleed out of the ultraviolet-absorbing resin on the surface of a coating film. Further, the aqueous ultraviolet-absorbing resin emulsion imparts excellent alkali or solvent resistance to a synthetic resin poor in alkali or solvent resistance. More specifically, an aqueous resin emulsion composition comprising (I) an aqueous ultraviolet-absorbing resin emulsion and (II) an other aqueous resin emulsion is provided, wherein the emulsion (I) is obtained by urethanizing (A) a polyol component having an ultraviolet-absorbing group {e.g., 1,1-bis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzeneethanol]methane}, (B) a polyol if necessary, (C) an alkyl or aryl dialkanolamine compound, and (D) an organic polyisocyanate in (E) an organic solvent, diluting the reaction mixture with (F) an organic solvent having a boiling point lower than 100° C. to give a resin solution, neutralizing the resin solution with (G) a neutralizing agent, and dispersing the resultant in water.

Bead-in-particles formats and their use in cytometric applications are described. In one aspect, the disclosure provides a bead-in-particle comprising an outer hydrogel body and an inner hydrogel bead. As described herein, the bead-in-particle is selectively tuned to have at least one morphological property substantially similar to subcellular macrostructures of interest present in a target cell. In one aspect of the disclosure, the bead-in-particle are used as a calibration reagent for the detection of a target cell in a sample, such as by image-based flow cytometry.

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L1, L2, L3, L4, M1, M2, m and n are as defined herein. Methods associated with preparation and use of such compounds is also provided.

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I), or a stereoisomer, tautomer or salt thereof, wherein R1, R2, R3, R4, R5, L1, L2, L3, L4, M1, M2, m and n are as defined herein. Methods associated with preparation and use of such compounds is also provided.

The invention relates to the technical field of data processing, in particular to a liquid disperse dye for polyester fabrics and a use method thereof, and the dye comprises an azo or anthraquinone disperse dye main agent subjected to superfine grinding, a nonionic and anionic compound dispersant system, a fiber plasticizer and a stabilizer. According to the preparation method, molecular dynamics simulation and mesoscale dissipative particle dynamics simulation are combined, the synergistic effect of a dispersant adsorption configuration and double electric layer potential is quantified, and a nonlinear association rule of dynamic particle size control and dispersion stability is established; a multi-physics field coupling model is adopted to integrate fiber humidity, temperature gradient and pressure distribution parameters, and cross-scale collaborative optimization of microscopic interface action and macroscopic process parameters is achieved. According to the method, repetitive experiment iteration is replaced by digital design, the formula development period is remarkably shortened, the dyeing uniformity and the batch-to-batch reproducibility are improved, and the method is suitable for continuous dyeing production of high-density and superfine polyester fabrics.

The invention relates to a gray dye composition, which consists of at least one yellow dichroic dye, at least one red dichroic dye, at least one purple dichroic dye and at least one blue dichroic dye, and has uniform total absorption in a visible light region when being mixed with a parent liquid crystal composition for use. The liquid crystal composition has high contrast when applied to light valves, switchable windows, switchable mirrors and guest-host displays.

The invention relates to polyester resin as well as a preparation method and application thereof. The polyester resin is prepared from the following raw materials: polybasic acid, polyhydric alcohol, an unsaturated monomer and a grafting modified monomer, the polybasic acid is selected from one or more of dimer acid, sebacic acid, adipic acid, dodecanedioic acid, 1, 4-cyclohexanedicarboxylic acid and hexahydrophthalic anhydride; the polyhydric alcohol is selected from one or more of neopentyl glycol, 1, 2-propylene glycol, 2-methyl-1, 3-propylene glycol, 2-butyl-2-ethyl-1, 3-propylene glycol, 2, 2, 4-trimethyl-1, 3-pentanediol, 1, 4-cyclohexanedimethanol, 1, 6-hexanediol and trimethylolpropane, and the polyhydric alcohol is selected from one or more of neopentyl glycol, 1, 2-propylene glycol, 2-methyl-1, 3-propylene glycol, 2-butyl-2-ethyl-1, 3-propylene glycol, 2, 2, 4-trimethyl-1, 3-pentanediol, 1, 4-cyclohexanedimethanol, 1, 6-hexanediol and trimethylolpropane. The polyester resin disclosed by the invention has excellent compatibility with acrylic resin.

To provide a resin-treated pigment which enables production of a pigment dispersion liquid useful as a raw material for preparing ultraviolet curable inkjet ink that has low viscosity and excellent storage stability, in which a pigment is finely dispersed, even if a monomer having a comparatively small SP value is contained as a liquid medium.SOLUTION: A resin-treated pigment is obtained by adding a resin A having a constitutional unit (ii) represented by general formula (3) and having a quaternary chloride rate of 30 mol% or more, to a mixture containing an inorganic black pigment and a pigment derivative represented by general formula (1), and precipitating a resin B in which at least a part of the constitutional unit (ii) is converted into a constitutional unit (iv) represented by general formula (4). In the formulae, M is Na or the like, E is an organic pigment skeleton, C is O or NH, D is an ethylene group or the like, and X is Cl or the like.SELECTED DRAWING: None

The present invention provides a colored resin composition capable of forming high-brightness pixels. The colored resin composition of the present invention contains: (A) a colorant, (B) a solvent, (C) an alkali-soluble resin, and (D) a photopolymerization initiator, wherein the colorant (A) contains a zinc phthalocyanine dye (a1), and in a thin film X-ray diffraction spectrum of the zinc phthalocyanine dye (a1) using CuKα rays after heating at 230°C, the zinc phthalocyanine dye (a1) has a maximum peak in the range of a diffraction angle (2θ) of 2 to 5°.

The present invention provides a composite pigment, which comprises a first cholesteric liquid crystal pigment and a second cholesteric liquid crystal pigment. The above-mentioned first cholesteric liquid crystal pigment is a pigment having a center wavelength of a selective reflection band in the range of 400 nm or more and 800 nm or less and a selective reflection bandwidth of 150 nm or less. The above-mentioned second cholesteric liquid crystal pigment is a pigment having a selective reflection bandwidth of 200 nm or more in the range of 400 nm or more and 800 nm or less. At least a part of the selective reflection band of the above-mentioned first cholesteric liquid crystal pigment overlaps with the selective reflection band of the above-mentioned second cholesteric liquid crystal pigment. With respect to the total amount of the above-mentioned first cholesteric liquid crystal pigment and the above-mentioned second cholesteric liquid crystal pigment, the content of the above-mentioned first cholesteric liquid crystal pigment is more than 0% by weight and 30% by weight or less.

The invention belongs to the field of medical instrument coloring agents, and provides a natural anthocyanin endoscope coloring agent. According to the invention, the innovative design of combining a ternary color-stabilizing compound formed by anthocyanin, a co-chromophore and hydroxypropyl beta cyclodextrin with a chitosan sodium alginate polysaccharide system and a composite buffer system is adopted, and the viscosity is controlled to be 200-320 millisecond, the particle size of spray droplets is 40-60 microns, and the thickness of a thin film is 10-30 microns through specific molar ratio compatibility and a genipin crosslinking technology. Through accurate regulation and control, the excellent performance that a double-network thin layer is formed under the calcium ion environment that the absorbance retention rate at 520 nanometers is not lower than 90% and the elution rate is not lower than 90% under the irradiation of hundred thousand lux white light is achieved, the technical problems that a traditional endoscope coloring agent is poor in safety, low in stability and insufficient in mucous membrane contrast ratio are solved, and the wide clinical application value is achieved.

The invention discloses a low-staining low-viscosity waterborne polyurethane macromolecular coloring agent and a preparation method of the low-staining low-viscosity waterborne polyurethane macromolecular coloring agent. Comprising the following components in parts by weight: 15 to 30 parts of aliphatic diisocyanate, 15 to 30 parts of micromolecular dye, 10 to 30 parts of polypropylene glycol and / or dihydroxy silicone oil, 25 to 50 parts of polyethylene glycol, 1 to 3 parts of micromolecular dihydroxy compound chain extender, 0.05 to 0.3 part of catalyst, 90 to 140 parts of acetone and 50 to 300 parts of water. By designing the hydrophilicity and proportion of the soft and hard segments of the polyurethane coloring agent, the waterborne polyurethane macromolecular coloring agent color paste which is low in staining, easy to clean, less than 1000mpas in product viscosity, more than 5% in color concentration and more than 5% in dye equivalent and good in compatibility is finally obtained, and the waterborne polyurethane macromolecular coloring agent color paste can meet the requirements of liquid product coloring agents such as clothing care and household cleaning agents. The cleaning agent can also be used for liquid cleaning agent products for body care and catering.

Present application provides a renewable, modified natural oil that exhibits improved physical properties, comprising a reaction product of (A) a maleated natural oil, comprising a natural oil with maleated functionality; (B) a lactam moiety having at least one hydroxyl, thiol or amine functional group, and (C) a base; and compositions comprising the reaction product thereof. Present application also relates to a reaction product of (A) a maleated natural oil, comprising a natural oil with maleated functionality; and (B) a lactam moiety having at least one amine functional group, and compositions comprising the reaction product thereof. Present application further relates to reaction product of (A) a maleated natural oil, comprising a natural oil with maleated functionality; (B) a lactam moiety having at least one hydroxyl, thiol or amine functional group; (C) a functionalized or unfunctionalized moiety selected from the group consisting of hydrophobic moieties, hydrophilic moieties, and combinations thereof, wherein the maleated functionality has been partially reacted with the functionalized or unfunctionalized moiety; and, (D) optionally, a base; and compositions comprising the reaction product thereof.

The invention relates to the technical field of polymer dye synthesis, in particular to a polymer coloring agent based on a binary acid chromophoric monomer, a color master batch, a fiber and a preparation method of the polymer coloring agent. The structural formula of the diacid chromophoric monomer is as follows: # imgabs0. The chromophoric monomer has extremely high thermal stability, and can maintain the chemical structural integrity and chromophoric performance in a high-temperature environment (250 DEG C). The heat-resistant characteristic is mainly derived from a highly stable aromatic skeleton formed by a parent nucleus through an expanded conjugated system and a rigid plane structure, and heat vibration energy is effectively dispersed; in addition, a thermal stable group (an all-carbon skeleton) is introduced through side chain modification to form a steric hindrance effect, and molecular movement at high temperature is inhibited. Due to the unique heat resistance of the monomer, the monomer can be completely matched with a high-temperature processing window (240-300 DEG C) of a polyester melt polymerization process, and a polymer-dye composite system with a stable structure is constructed through covalent bonding in ester exchange and polycondensation processes.

To provide a printing ink containing an isoindoline pigment, in which discoloration of the printing ink is suppressed over time and storage stability is excellent.SOLUTION: The problem is solved by a printing ink containing an isoindoline pigment and at least one amine (A) selected from the group consisting of primary amines and secondary amines, where the amine (A) has a molecular weight of 1000 or less. The amine (A), however, does not include alkanolamines, amides, and melamine.SELECTED DRAWING: None

To provide a colored resin molding containing a coloring agent in a transparent resin which exhibits a dichromic effect of changing the color of a black substrate and the color of a white substrate without requiring a brilliant agent, a fluorescent dye and a pigment.SOLUTION: A colored resin molding has a transparent resin, a red coloring agent which is contained in the transparent resin and has high scattering property, and a blue coloring agent which is contained in the transparent resin and has low scattering property. A hue angle on the black substrate in a 10° visual field using a D65 light source is 0° to 70°, and the hue angle on the white substrate is 200° to 270° .SELECTED DRAWING: Figure 1

An “inverse” precipitation route to precipitate aqueous soluble species with copolymers as nanoparticles having a hydrophilic, polar core and a less polar shell is described.

The invention discloses a preparation method of a high-performance organic pigment for water-based printing ink, which comprises the following steps: dispersing an organic pigment in deionized water, and adding an emulsifier to prepare an organic pigment dispersion liquid; adding a hydrophilic monomer and a cross-linking monomer into the organic pigment dispersion liquid, stirring, uniformly emulsifying, adding an initiator, and stirring to react; after the reaction is finished, cooling, centrifuging and washing to obtain a first layer of coated organic pigment; the preparation method comprises the following steps: mixing a hydrophobic monomer and a functional monomer, and adding an emulsifier and deionized water to prepare microemulsion; dispersing the first-layer coated organic pigment in deionized water, dropwise adding the microemulsion and an initiator, and stirring for reaction; and after the reaction is finished, cooling, centrifuging, washing and drying to obtain the high-performance organic pigment for the water-based printing ink. According to the method disclosed by the invention, the performance of the organic pigment is optimized through a double-layer coating structure, so that the organic pigment has the advantages of dispersity, light resistance, high tinting strength, water and oil resistance and acid and alkali resistance.

The invention discloses a reversible thermosensitive polymer functional dye and a preparation method thereof, and belongs to the technical field of thermosensitive color-changing dyes, the reversible thermosensitive polymer functional dye comprises a color-changing core material and a transparent microcapsule, and the transparent microcapsule coats the color-changing core material. The color-changing core material is prepared from the following components: 8 to 12 parts of color-changing dye ODB, 15 to 28 parts of a color developing agent BFPA, 210 to 400 parts of a solvent benzyl phenyl ether, 6 to 15 parts of an antioxidant, 125 to 220 parts of montmorillonite subjected to surface treatment by an organosilane modified organic cationic surfactant, 56 to 82 parts of a nonionic polymer suspending aid and 5 to 12 parts of an ultraviolet light absorber; the capsule wall of the transparent microcapsule is prepared from a transparent polymer. The reversible thermosensitive polymer functional dye can improve the acting force of a color developing agent BFPA and a solvent benzyl phenyl ether, so that a complex of BFPA and thermosensitive black ODB is separated as soon as possible, and the color contrast of the reversible thermosensitive polymer functional dye in two states of color development and decoloration is improved.

To provide an optical filter having high permeability of visible light and high shieldability of near infrared light and ultraviolet light, specifically with high permeability of blue light, while suppressing a deterioration in shieldability of ultraviolet light at a high incident angle.SOLUTION: An optical filter includes: a substrate satisfying prescribed spectral characteristics; and a dielectric multilayer laminated at least on one principal side of the substrate. The substrate includes a resin film including: a pigment (U) having a maximum absorption wavelength at 360-395 nm in dichloromethane; a pigment (A) having a maximum absorption wavelength at 600-800 nm in dichloromethane; and a resin.SELECTED DRAWING: Figure 1

The present application provides biodegradable microcapsules, based on specific poly ß-amino ester shells that can encapsulate and retain cargoes such as, lipophilic, or hydrophobic core materials comprising fragrances, butters, essential or other oils; or oil solubilized ingredients, process of making said biodegradable microcapsules and their applications in various industries. Present application further provides biodegradable shell materials that show evidence of biodegradation or non-persistence in aquatic based and / or soil or compost based environments, and which are stable on storage before use.

The invention relates to the technical field of dye preparation data processing, in particular to a liquid disperse dye suitable for high-temperature and high-pressure dyeing and a preparation method thereof.The dye comprises a composite dye matrix, a dispersion stabilizing system and a solvent medium, disperse black dye is formed by compounding disperse purple 93, disperse orange 288 and disperse blue 291 in the ratio of 1, and the disperse black dye is a liquid disperse dye suitable for high-temperature and high-pressure dyeing. And a nano-scale dispersion system is constructed by combining the synergistic effect of hexadecylamine / octadecylamine polyoxyethylene ether and lauryl amine polyoxyethylene ether. According to the preparation method, on the basis of a dynamic behavior prediction model, micelle formation dynamic data in a premixing stage, viscosity and particle size associated data in a shearing stage and thixotropic index change data in a homogenizing stage are integrated, and a surfactant proportion optimization instruction is generated; according to the invention, the stability of the dispersoid structure is controlled, the dyeing uniformity and color fastness are improved, and the wastewater COD discharge load and the production cost are reduced.

The invention provides an acid-resistant gardenia blue colorant preparation and an acid-resistant gardenia blue colorant preparation capable of inhibiting foaming. The present invention provides an acid resistant gardenia blue colorant preparation comprising (A) a gardenia blue colorant and (B) at least one selected from the group consisting of propylene glycol alginate, carboxymethyl cellulose, carboxymethyl cellulose salt, and soybean polysaccharide, where the proportions of the components (B) are as follows in terms of a gardenia blue colorant having a color value of 30: (1) 0.2 to 3 mass% of propylene glycol alginate; (2) 0.5 to 2 mass% of carboxymethyl cellulose; and (3) soybean polysaccharide: 5 to 20 mass%.

The invention belongs to the technical field of pigments for water-based systems, and particularly relates to a pigment modifier for a water-based system and application of the pigment modifier for the water-based system, 4-aminobenzylphosphonic acid is adopted as the pigment modifier for the water-based system, and-PO3H2 hydrophilic groups are grafted to the surfaces of pigment particles through specific diazotization reaction of the pigment modifier for the water-based system, so that the pigment modifier for the water-based system is obtained. The organic pigment is endowed with electrostatic stability in a water-based system, so that the pigment can form a stable water-based dispersion under the condition of not using an additional dispersing auxiliary agent, and the brilliance and tinting strength of the pigment are further improved.

The problem to be solved by the present invention is to provide an aqueous pigment dispersion that can maintain superior dispersibility and long-term storage stability, and that can be used for producing printed matter superior in color development in printing on plain paper. The present invention relates to an aqueous pigment dispersion that contains a pigment including C.I. pigment red 150, a water soluble organic solvent, and a radical polymer having an aromatic ring structure or a heterocyclic structure and having an acid value of 50 to 120 mgKOH / g, acid groups in the radical polymer being partially or entirely neutralized with a basic compound, the radical polymer being contained at a mass ratio to the pigment in the range of 0.001 to 0.1.

A slurry composition comprising (i) a reaction product of (a) a maleated natural oil; and (b) base; (ii) at least one dispersed particle; and (iii) at least one solvent is disclosed in the present disclosure. Also disclosed is a ceramic coated separator; an energy storage device comprising the present ceramic coated separator, such as fuel cells, electrochemical cells, batteries, and capacitors; coating compositions; personal care composition; and agriculture compositions comprising the slurry composition of the present disclosure.

The invention relates to the technical field of dimming films, in particular to a black dichroic dye composition, a PDLC (Polymer Dispersed Liquid Crystal) dimming film as well as a preparation method and application of the PDLC dimming film. Comprising a compound of formula D1, a compound of formula D2 and a compound of formula D3; formula D1; formula D2; formula D3; the black dichroic dye composition is a total anthraquinone black dye composition, the value a of the prepared dimming film is-5-5 and the value b of the prepared dimming film is-5-5 at 0V, and Eab is smaller than or equal to 2 at 0V and 48V, and compared with azo dichroic dye, the black dichroic dye composition has better heat insulation and sun protection performance and meets the use requirements in automobile panoramic skyscreens, skylight dimming glass and building glass.

The present invention provides a dark red disperse dye, which comprises a dye composition and an auxiliary agent, the weight ratio of the dye composition to the auxiliary agent is 1: 0.5-5, and the dye composition comprises the following components by weight: 35-85% of a component A composed of one or two of compounds represented by a formula (I); 5-40% of a component B composed of a compound represented by a formula (II); the component C is composed of one or two of the compounds shown in the formula (III), and the auxiliary agent is selected from one or a mixture of more of a dispersing agent, a dispersing agent and a surfactant. # imgabs0 # wherein X is chlorine or bromine, # imgabs1 # imgabs2 # wherein R and R'are each independently a methyl group or a benzyl group and are different.

The invention provides a reactive dye with a high fixation rate and a preparation method thereof. The reactive dye is prepared from the following raw materials in parts by mass: 25 parts of modified reactive dye, 0.3-0.7 part of a metal ion agent and 60-80 parts of water, wherein the modified reactive dye is obtained by inclusion of reactive dye molecules with beta-cyclodextrin-pyridine carboxylic acid, and beta-cyclodextrin and pyridine carboxylic acid in the beta-cyclodextrin-pyridine carboxylic acid are connected through an alkyl chain; metal ions provided by the metal ion agent can be chelated with the picolinic acid. Reactive dye molecules and beta-cyclodextrin-pyridine carboxylic acid form an inclusion structure, the hydrolysis probability of active groups is reduced, and an alkyl chain regulates steric hindrance and molecular spacing, so that pyridine nitrogen and carboxylic acid more efficiently form a more stable chelate with metal ions and further form coordinate bonds with hydroxyl groups on the fiber surface, and the fixation rate of the reactive dye is improved.