154 results about "Anthraquinone dye" patented technology

A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon at least one substituted anthraquinone dry having formula (I) wherein X is O or S; Y is O, NR<7 >or S; R<1 >and R<2 >independently are hydrogen, alkyl, aryl, aralkyl, heteroalkyl, heterocyclic or alkanoyl; R<3 >and R<5 >independently are alkyl, aryl, aralkyl, heteroalkyl or heterocyclic; R<4 >and R<6 >independently are hydrogen or alkyl; R<7 >is hydrogen or alkyl; and wherein the substituted anthraquinone dye(s) has an absorption maximum in the range from 600 nm to 750 nm.

According to the present invention there is provided a method for making lithographic printing plates including the following steps a) preparing a heat mode imaging element consisting of a lithographic base with a hydrophilic surface and a top layer which top layer is sensitive to IR-radiation, comprises a polymer, soluble in an aqueous alkaline solution and is unpenetrable for an alkaline developer containing SiO2 as silicates; b) exposing imagewise said heat mode imaging element to IR-radiation; c) developing said imagewise exposed heat mode imaging element with said alkaline developer so that the exposed areas of the top layer are dissolved and the unexposed areas of the top layer remain undissolved characterized in that said top layer includes an IR-dye selected from the group consisting of indoaniline dyes, cyanine dyes, merocyanine dyes, oxonol dyes, porphine derivatives, anthraquinone dyes, merostyryl dyes, pyrylium compounds, diphenyl and triphenyl azo compounds and squarylium derivatives.

The invention relates to a green synthesis method for nanometer zero-valent iron by utilizing grape seeds and an application, and belongs to the field of nanometer material and wastewater treatment. The preparation method is characterized in that nanometer zero-valent iron particles are prepared by taking waste grape seed extracting solution as dispersing agent and antioxidant under the condition of room temperature, and the nanometer zero-valent iron particles prepared through the method has good dispersibility and stability. The nanometer zero-valent iron particles prepared by the method are used for catalytically degrading reactive dye in wastewater, under the condition that the pH of the dye wastewater is equal to 2 to 10, more than 98% of azo-dye reactive brilliant red K-2G is degraded in 9min, more than 95% of anthraquinone dye reactive brilliant blue KN-R is degraded in 30min, and the environmental adaptability is high, and the degrading efficiency is high. The method is simple in technology, economic and efficient, resource utilization of grape seeds is realized, the synthetic nanometer zero-valent iron has extremely high activity, and the method has wide application prospect.

The invention provides a method for electrochemical oxidation treatment of waste water containing anthraquinone dye, and relates to the technical field of water treatment. In the method, a titanium-based metal oxide electrode is taken as an anode, copper or stainless steel is taken as a cathode, a flat plate or three-dimensional fixed bed is taken as an electrochemical reactor, under conditions of the current density of between 10 and 1,500A / m, the content of supporting electrolyte, namely Na2SO4 of between 1 and 20g / L and the temperature of the waste water of between 5 and 95 DEG C, the electrochemical oxidation treatment is performed. The method has the advantages of the degradation of the anthraquinone dye in a short time, quick reaction rate, good decolorization effect, high decrease rate of COD, simple technological flow, little equipment investment, easy operational control and easy industrialized application.

The invention discloses a terylene outdoor decorative fabric with sun protection. High strength terylene fiber is used to weave into grey cloth, and the finished product is obtained through bleaching, dyeing, anti-ultraviolet processing and post processing. A anthraquinone dye with good light fastness and fastness is used for dyeing, and meanwhile an anti-ultraviole agent is added for treatment. During the post processing, a softener, a waterproof agent and a fire retardant are added to change performance of the terylene decorative fabric. Finally, a layer of titanium dioxide slurry is sprayed on the surface of the decorative fabric so as to improve anti-ultraviolet capability. The terylene outdoor decorative fabric with sun protection provided by the invention not only retains traditional advantages of durablility, lightfastness and good shape preserving, but also has waterproof, fire-retardant, anti-fouling and anti-UV functions, and can be used in an outdoor strong-sun environment.

The invention relates to a bacillus pumilus (Bacillus pumilus) L-9 laccase gene cotA as well as recombinant expression and application thereof, belonging to the field of bioengineering. The cotA is separated from the bacillus pumilus (Bacillus pumilus) L-9, an expression vector pColdII-cotA is constructed, and an escherichia coli expression strain BL21(DE3) is transformed to realize high-efficiency expression. The obtained recombinase laccase has the advantages of high alkaline environment resistance and high high-temperature resistance, has a good effect of discoloring azo dyes and anthraquinone dyes and has high application potential.

The invention provides a transition metal oxide composite CNB photocatalyst. The photocatalyst is formed by compositing CNB and a transition metal oxide with carbon, has good photocatalytic degradation effect on organic dyes, especially azo dyes or anthraquinone dyes, under ultraviolet light, and has the degradation rate on methyl orange reaching more than or equal to 75% especially after being radiated in the ultraviolet light for 1 h. The invention also provides a preparation method for the photocatalyst; the method comprises the steps of preparing CNB by doping a boron element in graphite-phase carbon nitride and then composting the CNB with the transition metal oxide, to prepare the composite photocatalyst; the method is simple and feasible to implement; the yield of preparation of the photocatalyst is high.

According to the present invention there is provided a method for making lithographic printing plates including the following stepsa) preparing a heat mode imaging element having on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution and a top layer on the same side of the lithographic base as the first layer which top layer is sensitive to IR-radiation and is unpenetrable for an alkaline developer containing SiO2 as silicates;b) exposing imagewise said heat mode imaging element to IR-radiation;c) developing said imagewise exposed heat mode imaging element with said alkaline developer so that the exposed areas of the top layer and the underlying areas of the first layer are dissolved and the unexposed areas of the first layer remain undissolved characterized in that said top layer includes an IR-dye in an amount between 1 and 100% by weight of the total amount of said IR-sensitive top layer selected from the group consisting of indoaniline dyes, cyanine dyes, merocyanine dyes, oxonol dyes, porphine derivatives, anthraquinone dyes, merostyryl dyes, pyrylium compounds, diphenyl and triphenyl azo compounds and squarylium derivatives.

The invention discloses high sunlight-resistant terylene decorative cloth. 8S / 2 cotton yarns are adopted as warps; high-tenacity 7S polyester yarns are adopted as wefts; the warps and the wefts are respectively dyed, and then a product is obtained in manners of beaming, weaving and after-finishing. The warps are dyed by adopting a DianixAMClassies dye; the wefts are dyed by adopting an anthraquinone dye; soft, waterproof, fire-retardant and anti-ultraviolet finishing, thermosetting treatment, washing and baking are carried out after dyeing. The high sunlight-resistant terylene decorative cloth disclosed by the invention not only preserves the advantages of good durability, good light resistance and good conformality of the traditional terylene, but also has flame-retardant and anti-ultraviolet functions, and can be applied to a high-sunlight outdoor environment; a plain structure is adopted in a weaving process, so that the abrasive resistance of the decorative cloth is increased.

The invention relates to sunproof water-soluble dye having the general formula (1), a method for preparing the same and application thereof. The sunproof water-soluble dye imports the group of hindered amine 4-Z-2,2,6,6-tetramethylpiperidine and the water-soluble group of sulfonic groups based on the common water-insoluble dye, so that under a condition of ensuring good water solubility of the dye, the light stability of the dye is improved, and the sunproof property of the dye is also improved. In a general formula(1), A represents a dye matrix selected from a group formed by dioxazine dye, anthraquinone dye and phthalocyanine dye which are water-insoluble; R1 represents a general formula(2): -(SO2-R)m(2); R2 represents a general formula(3): -(SO3H)n(3); in the general formula(2) and the general formula(3), m and n are both a natural number, preferably m is a natural number between 1 and 16, and n is a natural number between 0 and 2.

A sphingomonas xenophaga QYY (CGMCC No.1172) is disclosed, which features that the bromamino acid as the intermediate of anthraquinone dye is the unique carbon and nitrogen sources for its growth, so its cells can destroy the anthraquinone rings. As a result, it has strong decolor capacity and can be used to decolor the sewage of anthraquinone dye.

The invention discloses a printing and dyeing wastewater adsorbent, which is characterized by being a cyclodextrin functionalized graphene nanomaterial. A preparation method comprises the following steps of: treating graphite powder with strong acid and a strong oxidizer, and performing ultrasonic exfoliation to obtain graphene oxide; and adding cyclodextrin, and reducing to obtain the cyclodextrin functionalized graphene. The adsorbent is used for treating printing and dyeing wastewater, and the removal rate of dyes in the printing and dyeing wastewater is over 96 percent. The adsorbent has the advantages of readily available raw materials, low cost and simple process, and is suitable for treating the printing and dyeing wastewater generated by azo dyes, active dyes, a triphenylmethane dye, a phthalocyanine dye or an anthraquinone dye, and also can be used for treating aromatic organic chemical wastewater.

The invention relates to a method for preparing color polymer dispersed liquid crystal films. The method includes: mixing anthraquinone dye or azo dye into a liquid crystal raw material, and heating with stirring uniformly to enable the liquid crystal raw material to be colored to form color liquid crystals; mixing the color liquid crystals with a polymer monomer uniformly to form a liquid crystal mixture isotropous at a room temperature; mixing the liquid crystal mixture with glass beads, clamping the liquid crystal mixture mixed with the glass beads between two indium tin oxid conductive thin films and rolling to form a liquid crystal thin film; heating to cure the liquid crystal thin film or curing via ultraviolet light to obtain the color polymer dispersed liquid crystal film. The prepared color polymer dispersed liquid crystal film has the advantages that transparence and concealing are achieved and color variation is added.

The invention relates to a composition of cobaly blue dispersed dye, belonging to the technical field of dyeing and printing of textile containing polyester fiber. The composition of cobaly blue dispersed dye utilizes anthraquinone dye and azo dye to complement mutual advantages, the obtained composition of the cobaly blue dispersed dye has good fastness and dyeing performance, increases dyeing capability of the dye, particularly improves sublimation fastness of the dye, overcomes the defects in C.1. dispersed blue 56, simultaneously improves wash fastness, and has wide application prospect.

A colored composition includes: (A) a dye that is selected from the group consisting of a methine dye, an anthraquinone dye and an azomethine dye, and that is a mixture of stereoisomers; and (B) a non-polar solvent.

A (meth)acrylate ester includes a (meth)acrylate monomer moiety having an ester oxygen, an anthraquinone moiety having a transmittance spectrum producing red light, and a linking group covalently coupled to the ester oxygen and the anthraquinone moiety, the linking group including phenyl, naphthyl, a linear alkyl group having from 2 to about 10 carbons, a branched alkyl group having from 3 to about 10 carbons, a cycloalkyl group having from about 3 to about 20 carbons, or a substituted aromatic group.

Disclosed are a method and apparatus for decolorization of reactive anthraquinone dye-containing wastewater using photocatalytic oxidation, which include inducing high-efficiency photocatalytic oxidation under a controlled salt concentration and pH of wastewater to perform effective decolorization of reactive anthraquinone dye-containing wastewater. The method for decolorization of reactive anthraquinone dye-containing wastewater using photocatalytic oxidation, includes: introducing a photocatalyst and salt into reactive anthraquinone dye-containing wastewater and adjusting pH of the wastewater to a level higher than neutral pH; and irradiating UV to the photocatalyst to carry out cleavage of the reactive anthraquinone dyes through photocatalytic oxidation, thereby accomplishing decolorization of wastewater.

The invention relates to an organic anthraquinone dye sensitized and precious metal supported inorganic semiconductor visible-light photocatalyst, and a preparation method and an application of the photocatalyst. According to the inorganic semiconductor visible-light photocatalyst, precious metal nanometer particles are supported on the surface of an inorganic semiconductor supporter, and organic anthraquinone dyes are adsorbed and sensitized on the surface of the inorganic semiconductor supporter supported with the precious metal nanometer particles in situ, wherein the mass of the supported precious metal nanometer particles accounts for 0.5%-2.5% of the total mass of the inorganic semiconductor supporter and the precious metal nanometer particles; and the content of the in-situ adsorbed and sensitized organic anthraquinone dyes is 1-35mol / g relative to a molar mass fraction of the inorganic semiconductor supporter. The inorganic semiconductor visible-light photocatalyst can be excited in a visible-light region, and can catalyze and decompose water into hydrogen after an organic matter, namely a sacrificial agent is added. The organic anthraquinone dye sensitized and precious metal supported inorganic semiconductor visible-light photocatalyst can be used for production of clean hydrogen energy.

The invention provides a method for synthesizing anthraquinone type dye or chromophore by aromatic amination of bromamine acid. The method comprises the following steps: catalyzing a condensation reaction of bromamine and arylamine in a solvent by adopting a catalyst system containing cuprous complex. According to the method, the cuprous complex is used as the catalyst system, nearly 100% conversion of the bromaine acid can be realize, no bromamine acid hydrolyzed (purple byproduct) or debrominated byproduct is generated, generation of by products is remarkably reduced, the yield of condensation products is remarkably increased, emission of acid-containing wastewater with deep chromaticity is reduced; and copper powder is not used, the usage of catalyst can be reduced, the content of heavy metals in the condensation products can be reduced, the content of heavy metals in wastewater can be reduced, environmental pollution can be reduced, and production cost can be reduced.

The invention relates to a method for recovering potassium nitrate from anthraquinone dye alkali wastewater and belongs to the technical field of recovery and recycle of printing and dyeing wastewater. The method comprises the following steps of adding nitric acid into collected alkali wastewater, carrying out primary acidification with stirring for primary acidification time of 0.5-12h, when a solution pH value is in a range of 1-4, adding an adsorbent, a neutral flocculating agent or an acidic flocculating agent into the solution so that a precipitation reaction occurs, filtering the reaction product, adding nitric acid into the solution, carrying out secondary acidification with stirring for secondary acidification time of 0-8h, when a solution pH value is in a range of 3-5h, adding an adsorbent, a neutral flocculating agent or an acidic flocculating agent into the solution so that a precipitation reaction occurs, filtering the reaction product, and carrying out HNO3 oxidation, decoloring, condensation and salt-leaching so that a qualified industrial salt is obtained. The method is used for anthraquinone dye alkali wastewater, can realize recovery of a large amount of potassium nitrate, can remove organic matters in wastewater, can reduce a COD value of the wastewater, and can recover and recycle potassium nitrate.

Record material imageable with a laser beam. The material is a substrate such as paper or polyolefin film having provided on at least one surface thereof a coating containing a solvent-soluble or disperse-type dye suitable for coloring plastics or polymers. Typical solvent-soluble and disperse-type dye include monoazo dyes, diazo dyes, anthraquinone dyes, coumarin dyes, quinoline dyes, xanthene dyes, and naphthalimide dyes. The record material does not show visible dye specks in the coating layer on the substrate because the dye has a very small average particle size—less than 50 microns. No more than 1% of the dye particles are larger than 100 microns. Also, method for imaging a substrate using heat energy by applying heat energy to the described record material to bring about a temperature in the coating greater than the melting temperature of the dye, causing color to become visible in the record material.

The invention discloses a preparation method of a modified hair keratin adsorbent. The preparation method comprises pretreating hair as a raw material through a NaOH aqueous solution and carrying out two-step modification and compounding on the treated hair respectively through formaldehyde and dimethylamine to obtain a quaternary ammonium salt-containing modified keratin adsorbent having appearance the same to the original hair. Compared with the prior art, the modified hair keratin cation adsorbent can be used in the field of printing and dyeing wastewater treatment. The preparation method has a high removal rate of an anionic dye in the printing and dyeing wastewater. A test result shows that the modified hair keratin adsorbent has an anthraquinone dye active brilliant blue KN-R adsorption capacity of 537.6 mg / g about more ten times that of nonmodified hair keratin fibers. The preparation method utilizes raw materials having a wide resource and has simple processes.

The present invention provides a colored curable resin composition, comprising a colorant, resin, a polymerizable compound and a polymerization initiator, wherein the colorant contains xanthene dye and anthraquinone dye.

The invention relates to a process for producing fine phthalocyanine pigment particles which comprises dissolving a phthalocyanine pigment in a good solvent containing a pigment dispersant comprising a compound represented by the general formula (I) to prepare a pigment solution and mixing the solution with a solvent which is compatible with that good solvent and is a poor solvent for the phthalocyanine pigment to precipitate the phthalocyanine pigment as nanometer-size particles. General formula (I) (In the formula, Q represents a residue of an organic dye selected among anthraquinone dyes, etc.; X represents -CO-, etc.; Y1 represents -NH- or -O-; Z represents hydroxy, etc.; R1 and R2 each independently represents alkyl, etc.; m is an integer of 1-6; and n is an integer of 1-4.)

A colored composition includes: (A) a dye that is selected from the group consisting of a methine dye, an anthraquinone dye and an azomethine dye, and that is a mixture of stereoisomers; and (B) a non-polar solvent.

The invention relates to magnetic-graphene-oxide-immobilized CPO (chloroperoxidase), and a preparation method and application thereof. The preparation method comprises firstly getting magnetic graphene oxide, successively adding a phosphoric acid buffer and a CPO solution, and uniformly mixing, so as to obtain a reaction solution, wherein the mass mole ratio of magnetic graphene oxide to CPO is 0.98 mu g:(1.5-3.5)*10<-4> mu mol; oscillating the reaction solution for 5-180 min, then performing separation to obtain a solid A, and cleaning the solid A, so as to obtain magnetic-graphene-oxide-immobilized CPO. In the preparation method, magnetic graphene oxide is utilized as a carrier for immobilizing CPO, and the enzyme biocompatibility is improved. The structural stability of the enzyme molecule and the operation stability are improved. The obtained immobilized CPO can be easily separated out from a reaction environment for reuse, the reuse rate is high, the rate of CPO degrading anthraquinone dyes is high, and industrial application of the immobilized CPO is facilitated.

Provided is a moisture-proof insulative coating for electronic parts which exhibits superior electrical insulation reliability and visible light-shielding properties. The moisture-proofing insulating coating comprises a thermoplastic elastomer, two or more kinds of dyes and a solvent, and the total light transmittance of a coated film produced by coating and drying said coating is 5% or less when the film thickness is 100 [mu]m. The thermoplastic elastomer is preferably a styrene thermoplastic elastomer such as a styrene-butadiene-styrene block copolymer elastomer. At least one of the dyes is preferably an anthraquinone dye. The dye content is preferably 0.1 - 10 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer. The moisture-proofing insulating coating preferably also comprises a tackifier such as a petroleum resin tackifier.

The invention is a type of red dispersive dye containing two anthraquinone rings, using 1-amino-2-bromo-4- hydroxyl (or alkoxy) anthraquinone as raw material to make condensation reaction with diphenol A, quinol, diphenol S, etc, respectively, in a high-boiling point inert solvent so as to make it. It has not only simple synthetic process and fewer steps but also better sublimating fastness and higher molar extinction coefficient.