37 results about "Triarylmethane dye" patented technology

An object of the present invention is to provide a material for more easily and accurately detecting treatment status using gas exposure. The present invention relates to an ink composition for detecting an oxidizing gas, or the like, comprising at least one type of azo dye, methine dye, triarylmethane dye and thiazine dye.

An organic EL device includes an organic EL emitter (2) that emits blue light and a blue color filter (8B) through which the light emitted from the organic EL emitter passes. The blue color filter contains a coloring material selected from the group consisting of a triarylmethane dye, a lake pigment, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment. The chromaticity of the light, the light that has passed through the blue color filter after emitted from the organic EL emitter, is in the range defined by lines connecting three chromaticity coordinates (0.150, 0.060), (0.143, 0.031), and (0.130, 0.049) on the CIE chromaticity diagram.

The invention relates to a method for making a lithographic printing plate which comprises imagewise exposing a lithographic printing plate precursor comprising one or more layers at least one of which is associated with one or more unsubstituted or substituted triarylmethane dyes and at least one of which layers is radiation-sensitive, and developing the imagewise exposed printing plate precursor with an aqueous alkaline developing composition, wherein the composition comprises at least one amphoteric surfactant of formula (I):—wherein R₁ is an unsubstituted alkyl group; each R₂ and each R₃ are independently selected from H, hydroxy and an unsubstituted or substituted alkyl group; R₄ and R₅ are independently selected from an unsubstituted alkyl group or one Of R₄ and R₅ may be the group —(CH₂)_m—Y—R₁; X⁻ is selected from COO⁻, SO₃⁻, OSO₃⁻, PO₃H⁻, PO₃Z⁻, OPO₃H⁻ and OPO₃Z⁻, wherein Z is a monovalent cation; Y is selected from CONH, NHCO, COO, OCO, NHCONH and O; l is 0 or 1; m is an integer from 1 to 10; and n is an integer from 1 to 5, The use of the composition for the development of radiation-sensitive positive- or negative-printing plate precursors depresses sludge formation associated with the presence of the triarylmethane dyes, thereby increasing developing capacity, and also prevents coloration of components in the developing section of the processor caused by the presence of such dyes.

Described herein is an epoxy composition comprising: a first component comprising an amine-based curing agent and a first dye, having a first color; and a second component comprising a curable epoxy resin and a second dye, having a second color. Also described herein is a shelf-life-indicating composition comprising: an amine-based curing agent; and a dye selected from (i) a cationic triarylmethane dye, wherein the cationic triarylmethane dye reversibly reacts with a primary amine; (ii) a halochromic dye having a color transition range between 7-12 when measured in an aqueous solution; or (iii) combinations thereof.

There is provided a triarylmethane compound which can provide a colored product that has light resistance equivalent to heretofore available light resistance and that undergoes only a small change in hue over a long period of time even when having a high-temperature heat history. For example, when a blue pixel portion of a color filter is formed, there is provided a triarylmethane compound which can provide a liquid crystal display apparatus or the like that has light resistance equivalent to heretofore available light resistance and that can perform high-brightness liquid crystal display for a long time even at high temperature. There is also provided a color filter containing the triarylmethane compound in the blue pixel portion. In the triarylmethane compound, the counter-anion of a basic triarylmethane dye cation is a heteropolyoxometalate anion represented by (SiMoW₁₁O₄₀)⁴⁻/4. The color filter contains the triarylmethane compound in a blue pixel portion.

The present invention provides a triarylmethane compound and a color filter containing the compound in a blue pixel portion, the triarylmethane compound being capable of providing a colored material which causes little change in hue over a long period of time even under high temperature or light irradiation. For example, when used for preparing a blue pixel portion of a color filter, the triarylmethane compound is capable of providing a liquid crystal display device or the like which can provide a high-brightness liquid crystal display having excellent brightness over a long period of time even under high temperature or light irradiation. The triarylmethane compound contains, as a counter anion for a basic triarylmethane dye cation, a heteropolyoxometalate anion represented by (P₂Mo_yW_18-yO₆₂)⁶⁻/6 wherein y=an integer of 1, 2, or 3, and the color filter contains the triarylmethane compound in a blue pixel portion.

The invention relates to a formula of a compound active dye used for household textile fabrics, and belongs to the technical field of textile printing and dyeing. The formula of the compound active dye comprises, by weight, 50-70 parts of a difluorochloropyrimidine dye, 20-30 parts of a triarylmethane dye, 10-20 parts of a nitroso dye, 60-75 parts of a vinyl sulfone dye, 5-15 parts of Rubia cordifolia plant dye extract, 15-25 parts of a heptamethine cyanine dye, 2-8 parts of sodium thiosulfate, 5-15 parts of sodium chloride, 10-15 parts of disodium hydrogen phosphate, 25-35 parts of sodium dihydrogen phosphate, 5-15 parts of sodium hydroxide, 5-15 parts of sodium carbonate, 20-30 parts of urea, 10-20 parts of 2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole and 5-15 parts of carbon nanotubes. The active dye has excellent fastness, excellent wet fastness, bright color, excellent performances and strong applicability, the hue and the performances of the active dye can meet the fiber and clothing requirements in the market, the addition of the 2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole improves the anti-ultraviolet property of the active dye, and the presence of the carbon nanotubes improves the antistatic performance of the active dye.

The invention relates to a method of imparting color onto keratinous substrates involving contacting said substrate with a composition comprising: at least one triarylmethane dye molecule chosen from polymeric triarylmethane dye molecules, copolymeric triarylmethane dye molecules, oligomeric triarylmethane dye molecules, and mixtures thereof; at least one film forming agent; and at least one solvent; and irradiating said substrate with a flash of light.

The present invention provides a colored resin composition, and a color filter formed by the resin composition. A colored resin composition used for a color filter, contains at least an acid xanthene dye represented by the following formula (1) and a blue acid triarylmethane dye with classified as C. I. as pigments; and contains a binder resin, an organic solvent, a curing agent, and a radical polymerization photoinitiator. In formula (1), X1 and X2 each independently represents a hydrogen atom or a alkyl group of C1 to C30, R1-R21 each independently represents a hydrogen atom, an alkyl group of C1 to C30, an alkoxy group of C1 to C30, a C6-C30 aromatic hydrocarbon group, a C3 to C30 aromatic heterocyclic group, a halogen atom, a nitro group, a phenoxy group, a carboxyl group, a carboxylic ester group, carboxylate group, an alkoxycarbonyl group, a hydroxyl group, a sulfonic acid group, a sulfonic ester, a sulfonate group, a -SO2NHR22 group or a -SO2NR23R24 group; wherein at least one of R1-R21 represents any one of the sulfonic acid group, the sulfonic ester group, the sulfonate group, the -SO2NHR22 group or the -SO2NR23R24 group; and R22-R24 each independently represents a C1 to C30 alkyl group. The sulfonate group and the carboxylate group are salts formed with a monovalent cation, wherein the monovalent cation is any one of Na +, K +, or quaternary ammonium cation.

The present invention relates to the field of dyes, specifically a composite reactive dye formulation, the parts by weight of each component are: 40-60 parts of triarylmethane dyes, 25-45 parts of nitro and nitroso dyes, α-bromo 20‑40 parts of acrylamide reactive dyes, 2‑10 parts of polymethine dyes, 1‑10 parts of sodium chloride, 2‑8 parts of disodium hydrogen phosphate, 10‑20 parts of sodium dihydrogen phosphate, 5 parts of sodium thiosulfate 15 parts, 1-20 parts of sodium carbonate, 5-15 parts of urea. The reactive dye of the invention is a dye with high fastness and wet fastness, bright color, excellent performance and strong applicability, and its hue and performance can meet the requirements of the market for fibers and clothing materials.

The invention relates to a method to identify the distribution of amino siloxane sol in fabric fiber. It includes the processes: (1) it uses the triarylmethane colouring matters to color, soap boil and dry the textile of fabric fiber; (2) the amino siloxane sol made by the amino siloxane, the organic solvent and water, which the mol ratio is 1:0-10:1-100; (3) By rolling or dipping, the sol is put on the textile and dried; (4) the textile after treating by sol is boiled and heated in stem; (5) the textile put under the optical microscope is observed the fiber surface color and prepared the fiber slice up to observe the inner color and determine the sol particle distribution condition. The method is simple and has low cost. The result is accuracy and has good repeatability.

The invention discloses a chemical indicator monitoring the disinfection effect of an oxidized disinfectant. The chemical indicator is prepared from an indicating compound and an ink composition. Theindicating compound is triarylmethane pigment, and the mass percentage of the indicating compound to the ink composition is (6-10%) to (90-94%). The color of the triarylmethane pigment can change obviously when being exposed an oxidized disinfectant disinfection process. The method for monitoring the oxidized disinfectant disinfection process comprises the following steps that the chemical indicator and a to-be-disinfected object are placed under a same disinfection condition; color changing of the chemical indicator is observed to judge a disinfection effect, when the chemical indicator is exposed to a wet oxidized disinfectant, especially ozone, the color of the chemical indicator changes obviously; and when the chemical indicator is exposed to a dry oxidized disinfectant or oxygen, thecolor does not change. The chemical indicator provided by the invention can rapidly monitor the disinfection result, has the obvious color indicating change, and has the relatively good indicating effect.

The invention relates to a compound active dye formula for fiber cloth, and belongs to the technical field of the printing and the dyeing of home textiles. The compound active dye formula is prepared from the following components in parts by weight: 50 to 70 parts of monochlorodifluoropyrimidine type dye, 20 to 30 parts of triarylmethane dye, 10 to 20 parts of nitroso dye, 60 to 75 parts of vinyl sulfone type dye, 5 to 15 parts of madder vegetable dye extract, 15 to 25 parts of heptamethine cyanine dye, 2 to 8 parts of sodium thiosulfate, 5 to 15 parts of sodium chloride, 10 to 15 parts of disodium hydrogen phosphate, 25 to 35 parts of sodium dihydrogen phosphate, 5 to 15 parts of sodium hydrate, 5 to 15 parts of sodium carbonate, 20 to 30 parts of urea, 10 to 20 parts of titanium dioxide nano particle and 5 to 15 parts of boron doped graphene. Active dye prepared from the compound active dye formula is dye which is excellent in fastness and wet fastness, bright-colored in color and luster, excellent in performance and high in applicability, and has a hue and performance which can both meet the requirements of a market on a fiber and a dress material; meanwhile, the anti-ultraviolet performance of the active dye prepared from the compound active dye formula can be improved through the addition of the titanium dioxide nano particle; the antistatic performance of the active dye prepared from the compound active dye formula can be improved through the existence of the boron doped graphene.

The invention discloses a compound reagent for portable occult blood trace appearing as well as a preparation method and a using method of the compound reagent. The compound reagent comprises a solution A and a solution B. The solution A comprises the following components in percentage by mass, 0.8-2.0% of triarylmethane dye, 0.1-0.9% of lactic acid, 0.8-10% of calcium chloride or sodium chloride, 0.02-0.5% of citric acid, 0.02-1.5% of sodium sulfite and the balance of water; and the solution B comprises 0.5-10% of calcium chloride or sodium chloride, 3-30% of hydrogen peroxide and the balance of water. The solution A and the solution B are mixed, the occult blood trace can be displayed by using the mixed reagent without additional equipment under the naked eye condition, operation is simple and rapid, the display effect is not influenced by the background color of the object, and the method can be suitable for displaying permeable and non-permeable object surfaces. The method is safe and non-toxic to human bodies, and can be suitable for appearing occult blood of tires and vehicle bodies during car accident escape and finding occult blood traces in crime scenes.

The present disclosure relates to hair-coloring compositions comprising direct dyes, and aerosol hair-coloring products comprising the hair-coloring compositions. The hair-coloring compositions include: (a) at least one direct dye selected from nitro-phenylenediamines, nitro-aminophenols, azo dyes, anthraquinones, triarylmethane dyes, indophenols, and a mixture thereof; (b) at least one nonionic film forming polymer; (c) at least one thickening agent; (d) at least 40 wt. % of water, based on the total weight of the compositions; and (e) 40 wt. % or less of ethanol, based on the total weight of the composition. The hair-coloring compositions can be combined with a propellant and incorporated into a canister to provide a hair-coloring aerosol product. The compositions and aerosol products are useful for coloring hair.

A process for using a substantially light-insensitive mono sheet direct thermal imaging material for producing a non-retro-reflective readable object attachable to a second object for information purposes, the imaging material including a support, a thermosensitive element and an attaching layer, wherein the thermosensitive element contains a substantially light-insensitive organic silver salt, a reducing agent therefore in thermal working relationship therewith, a binder and does not contain a di- or triarylmethane dye precursor compound possessing within its di- or triarylmethane structure an aryl group substituted in the ortho position to the meso carbon atom with an S-containing moiety ring-closed on the meso carbon atom selected from a thiolactone, dithiolactone and thioether moiety.

The invention relates to an application of beta-mannase in dye decoloration. Dye is azo dye and triarylmethane dye, wherein the azo dye is congo red, methyl orange, titan yellow and eriochrome black T; and the triarylmethane dye is water-soluble aniline blue, malachite green, crystal violet and phenol red. The beta-mannase is produced by bacillus licheniformis and preferably by bacillus licheniformis HDGLJT-01. The beta-mannase is prepared specifically by the method comprising the following steps: transferring and inoculating a bacillus licheiformis HDGLJT-01 seed solution cultured overnight to a konjac glucomannan fermented enzyme production culture medium, oscillating and culturing for 48 hours at a speed of 160 rpm at 37 DEG C, acquiring 40mL of fermentation liquor, and centrifuging for 20 minutes at a speed of 4500 r/min at 4 DEG C to obtain supernatant, namely, a crude enzyme solution; and purifying the crude enzyme solution by utilizing an acetone precipitation method, and further purifying by adopting ion-exchange column chromatography and gel filtration chromatography. Compared with the commercialized beta-mannase, the decoloration effect of the product is better.

The invention discloses a formula for garment cloth. Raw materials in the formula include, by weight, 1-5% of difluoro mono-chlorine pyrimidine, 1-5% of triarylmethane dye, 2-4% of nitroso groups, 5-13% of vinyl sulfone, 15-20% of radix rubiae vegetable dye extract, 8-10% of heptamethine cyanine and 5-7% of sodium thiosulfate. The formula has the advantages that a product prepared by the aid of methods is dye with excellent fastness, wet fastness and performance, bright colors and high applicability, and the hue and the performance of the dye can adapt to the requirements of markets on fibersand the cloth; titanium dioxide nanometer particles are added into the dye, and accordingly the ultraviolet resistance of the reactive dye can be improved; the antistatic properties of the dye with boron-doped graphene can be improved.

The present specification provides a compound, a colorant composition, a photosensitive material, a color filter, and a display device, wherein the compound contains a triaryl methane dye monomer, a (meth)acrylic acid monomer, and a structure represented by chemical formula 1.

Process for dyeing keratin fibres using at least one particular triarylmethane dye and at least one fluorescent dye The present invention relates to a process for dyeing keratin fibres, in particularhuman keratin fibres such as the hair, using one or more particular triarylmethane dyes and one or more fluorescent dyes. The present invention also relates to a cosmetic composition comprising the dyes defined above, and also to a multi-compartment device containing said dyes. The present invention also relates to the use of said dyes for dyeing light keratin fibres, especially human keratin fibres such as the hair, in chestnut-brown, dark chestnut-brown, brown, brown with a glint, or even black, without using an additional dye other than those defined above.