41 results about "YELLOW DYE" patented technology

The invention belongs to the technical field of photoresists, and relates to a wide-color-gamut yellow dye for a color filter, a synthesis method of the wide-color-gamut yellow dye, a green photoresist and a preparation method of the green photoresist. The green photoresist is prepared from the following raw materials in parts by weight: 4 to 8 parts of green pigment, 3 to 8 parts of resin, 3 to 10 parts of acrylic monomer, 0.5 to 2 parts of photoinitiator, 0.2 to 0.4 part of auxiliary agent and 75 to 85 parts of organic solvent. The synthesized yellow dye has good photoresist system adaptability and high molar absorption coefficient, and meanwhile, due to the fact that acrylic acid is grafted, acrylic acid on the yellow dye has carbon-carbon double bonds, under the action of a photoinitiator, after bond breaking, the yellow dye can react with resin or an acrylic monomer and is cured in a film, and the yellow dye has good chemical resistance.

The invention relates to the technical field of colored spun yarns, in particular to a full-color-gamut dye liquor color mixing and spray dyeing device and a method for preparing colored spun yarns. The full-color-gamut dye liquor mixing and spray-dyeing device comprises three dye liquor batching tanks which are respectively used for batching red dye liquor, yellow dye liquor and blue dye liquor, the bottom end of each dye liquor batching tank is provided with a first liquor discharge pipe, and each first liquor discharge pipe is provided with a first proportional valve; the upper end of the dye liquor mixing tank is respectively communicated with each first liquid discharge pipe through a pipeline, and the dye liquor mixing tank is used for mixing and preparing dye; the first atomizing nozzle is arranged below the dye liquor mixing tank, is communicated with the dye liquor mixing tank through a pipeline, and is used for atomizing and spraying the mixed dye liquor to the surface of the fiber. The full-color-gamut spray-dyeing colorful spinning fiber life slivers can be obtained, then production of the full-color-gamut colorful spinning yarn is achieved through the drawing procedure, the technological process is shortened, the color matching efficiency is improved, and meanwhile textile fabric made of the yarn has high color fastness.

The invention provides a high-reliability dye PDLC composition, a PDLC dimming film and a preparation method of the PDLC dimming film. The dye PDLC composition comprises the following components in percentage by weight: 35 to 67 percent of liquid crystal composition, 1 to 8 percent of dichroic dye, 30 to 60 percent of polymer precursor, 0.05 to 3 percent of photoinitiator and 0.2 to 1 percent of spacer particles. The dichroic dye comprises at least one kind of dichroic yellow dye, at least one kind of dichroic red dye, at least one kind of dichroic purple dye and at least one kind of dichroic blue dye. By selecting the specific dichroic dye, the PDLC dimming film is rich and changeable in color and particularly good in black display effect, has the high optical performance that the on-state haze is smaller than 4%, the off-state haze is larger than 95% and the contrast ratio is larger than 5, has excellent UV resistance and heat-resistant stability and is not prone to fading, and therefore the actual requirement for long-term use in various application scenes can be met.

The invention provides a yellow dye composition and a dyeing process. The yellow dye composition comprises a dye A, a dye B, a dye C and an auxiliary agent, wherein the weight ratio of the dye A to the dye B to the dye C to the auxiliary agent is (30-50): (25-40): (0-10): (30-40). Wherein the dye A is the most important component, and a large pi conjugated system is formed by an azo bond, a pyrazole ring and two benzene rings.

The invention provides an infrared-transmitting nylon composite material as well as a preparation method and application thereof. The infrared-transmitting nylon composite material is prepared from the following components in parts by weight: 40 to 90 parts of nylon, 20 to 40 parts of transparent glass fiber, 0.5 to 2 parts of coupling agent, 1 to 3 parts of flexibilizer and 0.2 to 0.5 part of composite dye, the composite dye is prepared from the following components in percentage by mass: 20%-40% of red dye, 30%-50% of blue dye and 20%-40% of yellow dye. The infrared-transmitting nylon composite material provided by the invention is black, excellent in mechanical property and relatively high in infrared transmittance.

The present invention discloses a color filter based on a color photoresist and a WOLED display. The color filter includes a color film layer, which is alternately constructed by a number of blue units, a number of transparent units, a number of green units, and a number of red units. The blue units are made of a color photoresist, the green units are made of a green photoresist, the red units are made of a red photoresist, and the components of the color photoresist include a blue fluorescent dye, a yellow fluorescent dye, and a purple fluorescent dye. The WOLED display includes a color filter, a WOLED layer, and an array substrate. The present invention constructs purple, blue, and yellow dye molecules and applies them to the color photoresist, enabling the WOLED display to more precisely display various colors, expanding the color gamut range of the WOLED display, improving the vividness and color accuracy of its display, and enabling the WOLED display to present a wider range of colors by using the color filter.

The invention relates to the technical field of dyes, in particular to a non-photosensitive yellow dye composition and a dyeing method, the non-photosensitive yellow dye composition is prepared by compounding a compound A and a compound B, and the mass ratio of the compound A to the compound B is (10-90): (10-90); the method has the advantage that the light fastness and the dyeing uniformity of the dye can be improved at the same time.

The invention discloses a high-fixation-rate active bright yellow dye as well as a preparation method and application thereof. The active dye is shown in a structural general formula (I). The reactive dye disclosed by the invention is prepared by taking a pyridone compound containing an aliphatic primary amine group as a coupling component through multi-step reactions of diazotization, coupling, condensation and the like. Finally, the molecular structure of the dye contains four active groups, so that the fixation rate of the dye on cellulose fibers is improved, the technical problem of low fixation rate of the active bright yellow dye of the existing pyridone coupling component is solved, and the dye has a wide application prospect.

An isomer mixture of at least one dye of formula (I): wherein-X1 and X2 are independently halogen atoms,-A1, A2 are independently hydrogen atoms or C1-C4 alkyl groups,-R1, R2 are independently-H,-SO3M, C1-C4 alkyl groups, C1-C4 alkoxy groups,-COOH, halogen atoms,-X1 and X2 are independently halogen atoms,-A1, A2 are independently hydrogen atoms or C1-C4 alkyl groups,-R1, R2 are independently-H,-SO3M, C1-C4 alkyl groups, C1-C4 alkoxy groups,-COOH,-CH3,-CH3,-CH3,-CH3,- -Z1 and Z2 are independently fiber active groups of the following formula:-SO2-CH = CH2,-SO2-(CH2) 2-Y,-NH-(CH2) 2-O-(CH2) 2-SO2-CH = CH2,-NH-(CH2) 2-O-(CH2) 2-SO2-(CH2) 2-Y,-NH-(CH2) 2-O-(CH2) 3-SO2-CH = CH2,-NH-(CH2) 2-O-(CH2) 3-SO2-CH = CH2, or-NHCO-(CH2) 3-SO2-(CH2) 2-Y, where Y is a group that can be removed under alkaline conditions, and Y is a group that can be removed under alkaline conditions. -M is a salt or a mixture of salts of hydrogen or an organic or inorganic cation # imgabs0 #

To provide a film that can block ultraviolet rays, suppress the glare of blue LEDs, and transmit light of 485 nm or higher, as well as a multilayer and a heat-bendable molded product. [Solution] The film according to this disclosure is a film comprising a polycarbonate resin, a yellow dye, and an ultraviolet absorber, wherein the yellow dye has an absorption coefficient (I) at a wavelength of 520 nm. 520 ) is 1.0 × 10 -7 The particle size is less than or equal to ppm·μm, the content of yellow dye is 100 to 4000 ppm by mass per 100 parts by mass of polycarbonate resin, the content of ultraviolet absorber is 0.01 to 1 part by mass, the average light transmittance of the film at wavelengths of 350 to 460 nm is 5.0% or less, and the light transmittance of the film at wavelengths of 485 nm is 20.0% or more.

The application relates to the field of dye technology, and particularly discloses a NDI self-coupling yellow dye, an ink and an electrowetting display device. 20 The structure formula of the NDI self-coupling yellow dye is as shown in the following formula: wherein R1 is selected from any one of C1-C 20 alkyl, C1-C alkyl with branches; R2 is selected from any one of a phenyl and a substituted alkyl phenyl; and n is a positive integer. The application provides a series of NDI self-coupling yellow dyes with a naphthalimide structure. Through self-coupling, the molar absorption coefficient is increased without changing the color. The prepared NDI self-coupling yellow dye can be dissolved in an organic solvent to prepare an ink suitable for electrowetting display. When the ink is applied to the electrowetting display device, the electrowetting display device has a good aperture ratio and a short switching response time.

The invention belongs to the technical field of transparent heat insulation materials, and provides a low-blue-phase transparent heat insulation PET film and a preparation method thereof, and the PET film comprises a PET matrix, and cesium tungsten bronze and an organic yellow dye dispersed in the PET matrix. According to the invention, the spectrum complementary effect between the yellow dye and the cesium tungsten bronze blue phase is utilized to realize the low blue phase of the PET film, and even the PET film can be neutral and colorless; meanwhile, in order to further enhance the dispersity of the cesium-tungsten bronze in a PET matrix, a high-speed stirring and micro-injection process is used in the preparation process, so that the agglomeration phenomenon of the cesium-tungsten bronze is avoided, and the high transparency of the PET film is ensured.

The invention relates to the technical field of dyes, and particularly discloses a naphthalimide benzooxygen heterocyclic yellow dye, ink and an electrowetting display device. The structural formula of the naphthalimide benzooxygen heterocyclic yellow dye is shown in the specification, wherein R1, R2 and R3 are respectively and independently selected from any one of alkyl, alkoxy, alkyl phenyl, alkoxy phenyl and thienyl. A dye main body obtained after coupling of naphthalimide and phenol mainly absorbs blue light of 400-480 nm, the substance is yellow, the main body structure has a large conjugate plane, is immiscible in polar liquid and has a good molar absorption coefficient, the solubility is improved by adding long-chain branched alkyl in the main body structure, and the dye has a good color rendering effect. The prepared dye can be dissolved in an organic solvent to prepare printing ink suitable for electrowetting display, and after the printing ink is applied to an electrowetting display device, the electrowetting display device has good aperture opening ratio, short switch response time, good electrical stability and good optical stability.

The invention provides a high-solubility acid yellow composition and a preparation method thereof, and relates to an acid yellow dye. The invention provides a high-solubility acid yellow composition. The high-solubility acid yellow composition comprises two or more compounds in a general formula (1), the general formula (1) is shown in the specification; and X1 and X2 are independently or respectively. R is Li, NH4 or Na. R1, R2, R3, R4, R5 and R6 are independently-H,-SO3M1,-OCH3 and-CH3, and M1 is any one of hydrogen, potassium, sodium, lithium and ammonium. Compared with the existing acid yellow dye, the acid yellow dye researched and developed by the invention has the advantages that the dissolving property is excellent, and the refrigeration effect is excellent; and precipitation cannot occur after long-time refrigeration at low temperature.

The invention relates to the technical field of optical devices, and discloses a day and night dual-purpose double-layer dye liquid crystal lens and intelligent glasses thereof, which comprise a lens frame, lens legs, the lens assembly, an illumination sensor, a control circuit board, an upper-layer lens injected with yellow dye liquid crystal and a lower-layer lens injected with black dye liquid crystal, the two layers of lenses are laminated and can be independently controlled, and the control circuit board independently controls the power-on states of the upper-layer lens and the lower-layer lens according to the ambient light intensity detected by the illumination sensor. Through cooperative work of the upper-layer lens and the lower-layer lens, dual functions of sun-shading and anti-dazzle in the daytime and brightening assistance at night are realized, and the problem of single function in the prior art is solved; through cooperation of the illumination sensor and the control circuit, automatic intelligent switching of working modes is achieved, and convenience is improved; and the light transmittance is subjected to stepless regulation through a pulse width modulation technology, so that the adaptability to different light environments and the visual comfort are enhanced.

The invention relates to the technical field of dyes, in particular to a non-photosensitive yellow dye composition and application thereof.The non-photosensitive yellow dye composition comprises a compound A and a compound B. The compound B is prepared by substituting chlorine atoms in the structure of the compound A and introducing para-ester or phenol sulfonated para-ester, and the compound B is prepared by introducing a benzene ring structure. Intermolecular and intramolecular pi-pi conjugation can be improved, and intermolecular and intramolecular electron cloud interaction can be enhanced, so that the compound has the characteristic of good low photosensitivity; and through compounding of the compound A and the compound B, the photochromic resistance and the washing resistance of the yellow dye composition are improved at the same time.

The invention discloses an oil-soluble yellow dye as shown in a formula A, a preparation method of the oil-soluble yellow dye and application of the oil-soluble yellow dye as a coloring agent in a non-aqueous solvent. The oil-soluble yellow dye has the following advantages that (1) raw materials are simple and easy to obtain, the cost is low, the synthesis process is simple, and industrialization is easy; (2) products which are rich in variety and complex in composition can be easily obtained by adjusting the variety of halogenated hydrocarbon and reaction conditions, and the method has remarkable advantages in the aspects of performance regulation and control and formula secrecy; (3) the product shows good solubility in various organic solvents, can be well dissolved at low concentration and high concentration, is bright in color, and has good application prospects in the aspects of printing ink, coating and polymer coloring; wherein R1 is H or C2-C12 even-number carbon straight-chain or branched-chain alkane, R2 is H or C2-C12 even-number carbon straight-chain or branched-chain alkane and the like, and R1 and R2 cannot be H at the same time.

Provided are: a film which is capable of blocking ultraviolet rays and suppressing glare of a blue LED, and through which light having a wavelength of 485 nm or more can transmit; a multilayer body; and a heat-bent molded body. A film according to the present disclosure comprises a polycarbonate resin, a yellow dye, and an ultraviolet ray absorbing agent. The yellow dye exhibits an absorbance index (I520) of not more than 1.0×10-7 / ppm·µm with respect to a wavelength of 520 nm. With respect to 100 parts by mass of the polycarbonate resin, the contained amount of the yellow dye is 100-4000 mass ppm and the contained amount of the ultraviolet ray absorbing agent is 0.01-1 parts by mass. The average light transmittance of the film with respect to wavelengths of 350-460 nm is not more than 5.0%. The light transmittance of the film with respect to a wavelength of 485 nm is not less than 20.0%.

The invention relates to the field of dyes, and particularly discloses a yellow dye composition and application thereof. The yellow dye composition is formed by compounding the compound A shown in the formula (I) and the compound B shown in the formula (II), the yellow dye composition formed by compounding the two compounds has no photochromic problem, and a dyed fiber material is prevented from fading under the illumination condition; the yellow dye composition has excellent lifting power, good stability and color fastness index, and can give consideration to good dyeing performance and economic performance; the yellow dye composition is suitable for dyeing processes such as dip dyeing and pad dyeing, and can meet the requirements of different fiber materials and diversified dyeing processes. The structures of the two compounds are respectively shown in the specification.

The invention discloses a skin erythema optical phantom and a preparation method thereof, and relates to the technical field of biomedical optical technology and skin erythema detection. The skin erythema optical phantom comprises the following components: a red dye, a black dye, a yellow dye, a scattering medium, a solidification medium and a preservative. The difference between the skin erythema optical phantom prepared by the invention and the tissue optical parameters (such as mu a and mu's) of human skin is lt; 5%; the diffuse reflection spectrum contact ratio gt with human skin erythema at the wave band of 500-600nm; 90%; the differences with L *, a * and b * values of human skin erythema in the Lab color space are all lt; and 10%. The skin erythema optical phantom can be used as a reference standard for calibration of erythema detection equipment and comparison calibration of erythema indexes.

The application discloses an oil-soluble yellow dye shown in formula A, a preparation method thereof and application of the oil-soluble yellow dye as a colorant in a non-aqueous solvent, and has the following advantages: (1) raw materials are simple and easy to obtain, cost is low, a synthesis process is simple, and industrialization is easy; (2) a product with rich types and complex composition can be easily obtained by adjusting a halogenated hydrocarbon type and reaction conditions, and remarkable advantages are possessed in performance control and formula security; (3) the product shows good solubility in various organic solvents, can be well dissolved at low concentration and high concentration, and has good application prospect in ink, paint and polymer coloring; wherein R1 is H or a C2-C12 even carbon straight-chain or branched-chain alkane, R2 is H or a C2-C12 even carbon straight-chain or branched-chain alkane, and R1 and R2 cannot be H simultaneously.

This invention discloses thioether-modified anthraquinone dyes, their synthesis method, and their application in color photoresist pastes. The preparation process of the anthraquinone dyes is as follows: 1,8-dichloroanthraquinone is reacted with a substituent-containing arylthiophenol at 100 °C using N,N-dimethylformamide (DMF) as a solvent in the presence of alkali K₂CO₃ via an aromatic nucleophilic substitution (SnAr) reaction. This invention introduces thioether-modified anthraquinone yellow dye molecules into the application of color photoresist pastes. These molecules are used as additives for green pixels in photoresist pastes to absorb stray blue light, thereby improving the color purity of green pixels. The thioether-modified anthraquinone yellow dyes of this invention have better solubility than traditional anthraquinone dye molecules and retain the excellent photostability and thermal stability of the anthraquinone backbone, showing significant advantages over commonly used yellow dyes in current photoresist pastes.

The invention belongs to the field of organic yellow dyes, and relates to a benzothiazole 2-acetonitrile derivative and a preparation method and application thereof, and a photoresist film and a preparation method and application thereof. The preparation method of the benzothiazole 2-acetonitrile derivative comprises the following steps: dissolving a benzaldehyde derivative, benzothiazole 2-acetonitrile and triethylamine in ethanol, reacting at a specified temperature, cooling to room temperature after the reaction is finished, and sequentially carrying out suction filtration and column chromatography separation to generate the benzothiazole 2-acetonitrile derivative; the preparation method comprises the following steps: mixing a benzothiazole 2-acetonitrile derivative, an acrylic acid adhesive, a solvent and a thermal initiator, and sequentially carrying out spin coating and ultraviolet curing to obtain the photoresist film. The benzothiazole-2-acetonitrile derivative is innovatively synthesized, the technical bottleneck existing in the field of organic yellow dyes for a long time is broken through, and a brand new molecular skeleton support is provided for material innovation in the field.

The invention relates to the field of dyes, and particularly discloses a non-photosensitive yellow dye composition as well as application and a dyeing method thereof. The yellow dye composition is formed by compounding the compound A as shown in the formula (I) and the compound B as shown in the formula (II), the photosensitivity of the dye is reduced through synergistic interaction of the two compounds, the color fastness is improved, and the dye composition has the advantages of being good in homochromatism, free of photosensitivity and high in color fastness.

The invention relates to the technical field of functional dyes, and particularly discloses a high-weather-resistance dye and a preparation method and application thereof.The preparation method of the high-weather-resistance dye comprises the following steps that S1, 5-bromo-4-fluoroisatoic anhydride, 2, 4-dichloro-7-methylquinoline, an alkaline substance and an organic solvent are added into a reaction kettle to be stirred for a reaction, and a mixture is obtained; after the reaction is finished, pouring reaction liquid into ethanol, extracting by using an organic solvent, performing rotary evaporation, and drying to obtain a dye intermediate A; s2, stirring and reacting the dye intermediate A with 1-[(6-ethoxy-3-pyridyl) methyl]-4-piperidylamine, an organic solvent and a catalyst under a heating condition, pouring a reaction solution into water after the reaction is finished, separating, filtering to obtain a solid, recrystallizing, and drying to obtain the high-weather-resistance dye. Through innovative molecular structure design and selection of specific raw material combination, the novel yellow dye with a rigid conjugated skeleton and metal coordination capability is developed, and the defect of poor weather resistance of the dye is effectively overcome.

The invention discloses a bright yellow reactive dye taking bipyridone as a coupling component and a preparation method of the bright yellow reactive dye. The reactive dye is shown in a structural general formula (I). The reactive dye disclosed by the invention is prepared by taking a compound containing two novel pyridone components as a coupling component and reacting with diazonium salt containing a vinyl sulfone sulfate active group. Due to the fact that the molecular structure of the coupling component contains two coupleable components, the finally prepared dye contains two vinyl sulfone sulfate active groups, the fixation rate of the dye on cellulose fibers is increased, meanwhile, the technical problems that an existing pyridone coupling component active bright yellow dye is low in fixation rate and cannot resist printing are solved, and the dye has the advantages of being simple in preparation process and low in cost. Wide application prospects are realized.

A preparation method and application of a ZIF-67 coated protruding graphite nanosheet single-atom catalyst, which relates to a preparation method and application of a catalyst. The purpose of the present invention is to solve the negative impact of the charge transport performance of existing catalysts, the low carrier concentration and the poor carrier migration efficiency. The present invention uses mesoporous expanded graphite and ZIF-67 as precursors to develop a new single-atom cobalt catalyst anchored on a three-dimensional porous carbon material; the ZIF-67 coated protruding graphite nanosheet single-atom catalyst prepared by the present invention introduces cobalt atoms in the protrusions formed by EG to increase the carrier concentration and significantly improve the carrier mobility. A ZIF-67 coated protruding graphite nanosheet single-atom catalyst is used to catalyze the degradation of micropollutants in water by persulfate, and has a good removal effect on levofloxacin antibiotics, reactive yellow dyes, carbamazepine, bisphenol A, rhodamine B, etc.

The invention discloses a preparation method of 5, 5 '-dihydroxy bipyridine diester and application of a prepared product of the 5, 5'-dihydroxy bipyridine diester in fabric dyeing, and relates to the technical field of compound preparation. According to the preparation method of the 5, 5 '-dihydroxy dipyridyl diester disclosed by the invention, 5, 5'-dihydroxy blue reacts with an acetylation reagent under the condition of a solution in which an aluminum-based catalyst and a titanium-based catalyst in a mass ratio of (1-3): 1 coexist, the reaction temperature is 90-110 DEG C, the reaction time is 5-8 hours, and the 5, 5 '-dihydroxy dipyridyl diester is obtained after the reaction. Through the combination of specific catalysts, the alcoholic hydroxyl group in the 5, 5 '-dihydroxy bipyridine diester can be used as a nucleophilic reagent to easily carry out nucleophilic attack on the carbonyl group of an acetylation reagent, the reaction yield and the product purity are improved, the prepared product 5, 5'-dihydroxy bipyridine diester is a yellow dye, and the application of the bipyridine diester in the dyeing aspect is widened.

The invention discloses a preparation method of decorative golden rice, which comprises the following steps: S1, raw material pretreatment: selecting rice, cleaning the rice, and removing impurities; s2, preparing dye liquor, namely adding yellow dye into water, and uniformly stirring to obtain the yellow dye liquor; s3, adding gold powder into the yellow dye liquor, then adding rubber powder, and uniformly stirring to obtain golden yellow dye liquor; s4, pouring the rice into a stirrer, adding the stirred golden yellow dye liquor, and uniformly stirring; and S5, pouring out the stirred rice from the stirrer, naturally airing and dispersing to obtain a finished product of the decorative golden rice. The golden yellow dye liquor is prepared by using the low-price rice, the yellow dye, the gold powder and the rubber powder, and the golden yellow dye liquor is coated on the surface of the rice, so that the decorative gold rice is prepared, the preparation process is simple, the preparation cost is low, batch production is facilitated, and the golden rice is suitable for household ornaments, fillers of pagoda basins and financial jars, decorative handicrafts, props and the like, does not rust, does not fade, and is suitable for popularization and application. The use effect is good.

The invention relates to a method for dyeing loose fibers with sensitive color, sensitive dispersion fibers and application, and relates to the technical field of loose fiber dyeing, a pretreatment auxiliary agent is added into the loose fibers for pretreatment, and the pretreatment temperature is 60-80 DEG C; a dye and an alkaline agent are added in the dyeing process, and the dyed loose fibers are subjected to water washing, color fixation, dehydration and drying to obtain the sensitive dispersion fibers; the dyes comprise a red dye, a yellow dye and a blue dye, and the alkaline agent is a mixture of sodium carbonate and baking soda. According to the method, the first-pass yield of the loose fiber dye-sensitive color can be effectively improved, the color uniformity is good, meanwhile, damage to the loose fiber is small, and the physical property effect of the loose fiber can be well reserved.