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269 results about "Organic dye" patented technology

Conjugated compound containing benzothiophenazine structure as well as preparation method and application of conjugated compound

The invention belongs to the technical field of organic dye synthesis and application, and discloses a conjugated compound containing a benzothiophenazine structure as well as a preparation method and application thereof, and the conjugated compound containing the benzothiophenazine structure has excellent photophysical properties, singlet oxygen yield and superoxide anion generation capacity. The novel conjugated compounds ENBO-NI and ENBS-NI containing benzothiophenazine structures are successfully prepared by replacing a benzene ring of Nile blue with a cycloalkane structure and adjusting the electron donating ability of an R1 group. The two compounds have near infrared fluorescence emission, good solubility and relatively high ROS yield. Compared with a classical photosensitizer NB, the singlet oxygen yield of ENBO-NI is increased by about 117.65%, and the singlet oxygen yield of ENBS-NI is as high as 70%. The absorption wavelength of the conjugated compound is in a red light wave band. The preparation process is simple and efficient, large-scale production is easy, and the preparation method has a wide clinical application prospect.
Owner:DALIAN UNIV OF TECH

Dye / ion separation membrane with pore diameter and charge coordinated regulation and control as well as preparation method and application of dye / ion separation membrane

The invention provides a dye / ion separation membrane with pore diameter and charge coordinated regulation and control as well as a preparation method and application thereof, and belongs to the field of preparation of a double-layer ionic covalent organic framework (COFs) composite membrane. An aromatic polyamide ultrafiltration membrane is used as a base membrane, and a double-layer COFs membrane is constructed on the surface of the aromatic polyamide ultrafiltration membrane through a multi-time interfacial polymerization method. The first layer is a positive charge COFs layer formed by reacting a guanidyl monomer with 1, 3, 5-triformyl phloroglucinol (Tp); and the second layer is a negative charge COFs layer formed by reacting ionic aromatic diamine with Tp. By adjusting the type and concentration of the monomers, the pore diameter and charge distribution of the film layer can be synergistically regulated and controlled, and the double-layer composite film which is stable in structure and orderly stacked is constructed. The obtained membrane has molecular sieve separation and electrostatic regulation functions, can efficiently intercept organic dye molecules in high-salt printing and dyeing wastewater, and has high flux, high selectivity and good chemical stability.
Owner:HEFEI UNIV +1

Novel xanthene dye for blue photoresist color paste and synthesis method of novel xanthene dye

The invention relates to the technical field of organic dyes, in particular to a novel xanthene dye for blue photoresist color paste and a synthesis method of the novel xanthene dye. The invention relates to a synthesis method of a novel xanthene dye for blue photoresist color paste, which comprises the following steps: 1) taking rigid cyclic amine as a nucleophilic reagent, and carrying out aromatic nucleophilic substitution reaction on a chlorinated xanthene compound to obtain a xanthene intermediate; 2) performing chlorination reaction on the xanthene intermediate by using a chlorination reagent to obtain a chlorinated xanthene intermediate; 3) mixing active amine and the chlorinated xanthene intermediate, and performing substitution reaction under the action of alkali to obtain the novel xanthene dye for the blue photoresist color paste.The novel xanthene dye for the blue photoresist color paste.The novel xanthene dye for the blue photoresist color paste.The novel xanthene dye for the blue photoresist color paste.The novel xanthene dye for the blue photoresist color paste has the advantages of being high in solubility, good in thermal stability and high in contrast ratio.
Owner:浙江材华科技有限公司

Clothing fabric with high antibacterial property, sunlight resistance and difficulty in fading and preparation process

The invention relates to the related technical field of costume fabrics, in particular to a high-antibacterial anti-sunshine costume fabric not prone to fading and a preparation technology, the high-antibacterial anti-sunshine costume fabric comprises a base fiber layer, and an antibacterial finishing layer, an anti-ultraviolet layer and a color fastness enhancing layer are arranged on the base fiber layer. According to the high-antibacterial anti-sunshine clothing fabric not prone to fading and the preparation process, a nano-silver and chitosan composite system is adopted, nano-silver releases silver ions to destroy the physiological structure of bacteria, chitosan inhibits the activity of the bacteria through the amino effect, the nano-silver and the chitosan cooperate with each other, the antibacterial effect of clothing is improved, nano-zinc oxide and titanium dioxide composite sol improve the antibacterial effect of the clothing, and the antibacterial effect of the clothing is improved. Through multiple mechanisms of reflecting, scattering and absorbing ultraviolet rays, broadband protection is formed, the ultraviolet rays can be effectively blocked, the high-grade sunscreen requirement is met, the skin is protected from being damaged by the ultraviolet rays, the sulfonic-group-containing organic dye fixing agent, dye molecules and fibers form chemical bond combination, a stable color fixing network is constructed, and the appearance color and luster are kept lasting.
Owner:TONGXIANG JIAJUN TEXTILE CO LTD

Three-dimensional printing with organic dye radiation absorbers

A three-dimensional printing kit can include a polymeric build material including from about (80) wt % to (100) wt % polymer particles having an average particle size from about (10) μm to about (150) μm, and can also include a fusing agent including an aqueous liquid vehicle and from about (2) wt % to about (20) wt % of a mixture of organic dye radiation absorbers. The mixture of organic dye radiation absorbers can include a charged yellow water-soluble organic dye and a cyan water-soluble organic dye. The mixture of the organic dye radiation absorbers can be from about (1) wt % to about (40) wt % soluble in water.
Owner:PERIDOT PRINT LLC

Layered nano-porous copper loaded cuprous oxide / copper oxide nanowire composite material as well as preparation method and application thereof

The invention discloses a layered nano-porous copper loaded cuprous oxide / copper oxide nanowire composite material as well as a preparation method and application thereof. The material is a thin strip and comprises an amorphous substrate thin strip, multiple layers of nano-porous copper covering an amorphous substrate and a cuprous oxide / copper oxide two-component heterojunction nanowire loaded on the surface of the nano-porous copper. The preparation method comprises the following steps: firstly, freely dealloying an amorphous ribbon, and adding PVP (Polyvinyl Pyrrolidone) into dealloying corrosive liquid to generate layered nano-porous copper; then, copper hydroxide nanowires grow on the surface of each layer of nano-porous copper in situ through the anodic oxidation technology; and finally, converting the copper hydroxide into cuprous oxide / copper oxide nanowires with different component proportions by regulating and controlling the temperature by adopting a heat treatment process. The prepared composite material has a larger specific surface area and more active sites, and has unique structure and performance advantages in the field of photocatalytic degradation of organic dyes.
Owner:SHIJIAZHUANG UNIVERSITY

A method for the visible light preparation of reduced graphene oxide in aqueous solution

The application relates to the field of graphene preparation, and particularly provides a method for preparing reduced graphene oxide (rGO) by visible light in an aqueous solution, which uses an LED lamp simulating the visible light section of sunlight as a light source under normal temperature and pressure, and reduces industrial-grade graphene oxide (GO) to prepare rGO in a homogeneous aqueous solution system in the presence of an organic dye molecule eosin Y (water-soluble) as a photosensitizer and triethylamine as an electron sacrificial agent. The method overcomes the shortcomings of a low yield, the need for a strong reducing agent and high pollution in a traditional preparation process, and has the advantages of simple process, easy separation, high yield, low energy consumption, low cost and no pollution, and the prepared rGO has a smooth structure, a thin thickness and a perfect graphitization degree.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Preparation method of sodium alginate / polyphenol Pickering emulsion gel beads and adsorption application of sodium alginate / polyphenol Pickering emulsion gel beads

The invention discloses a preparation method of a sodium alginate / polyphenol Pickering emulsion gel bead adsorbent and an adsorption application of the sodium alginate / polyphenol Pickering emulsion gel bead adsorbent. According to the adsorbent, polyphenol particles serve as a stabilizer, light oil serves as an oil phase, sodium alginate serves as a water phase to construct a low-density Pickering emulsion, then the obtained emulsion is dropwise added into a calcium chloride solution to be cured to form gel beads, and the obtained gel beads serve as the adsorbent with the self-suspension property. The self-suspension gel bead adsorbent designed by the invention is regular and controllable in shape, simple and rapid in preparation process, low in cost and easy for industrial production, has excellent adsorption capacity on various pollutants such as organic dyes, heavy metal ions and antibiotics, is simple and convenient to recycle after adsorption, and has a good application prospect in the field of water treatment.
Owner:SICHUAN UNIV

Anti-ultraviolet dye taking tannic acid as coupling component as well as preparation method and application of anti-ultraviolet dye

The invention belongs to the technical field of organic dyes, and particularly relates to an anti-ultraviolet dye taking tannic acid as a coupling component as well as a preparation method and application of the anti-ultraviolet dye. Under a stirring condition, adding a diazonium salt solution of an arylamine derivative into the mixed solution for reaction, and continuously stirring for reaction after the diazonium salt solution is added, so as to obtain a reaction solution; adjusting the pH value of the reaction liquid, evaporating, filtering and drying to obtain the anti-ultraviolet dye taking tannic acid as the coupling component. The uvioresistant dye taking tannic acid as a coupling component can endow real silk with color and uvioresistant function during dyeing; the dyeing process is simple and short in time, damage to real silk is small, dye liquor composition is simple, follow-up wastewater is easy to treat, and the whole dyeing process is low-carbon and environment-friendly.
Owner:SHANDONG UNIV OF TECH

Spherical lignin-phenolic resin, preparation method thereof and application of spherical lignin-phenolic resin in adsorption of N-containing organic dye

The invention provides spherical lignin-phenolic resin, a preparation method thereof and application of the spherical lignin-phenolic resin in adsorption of N-containing organic dye, and belongs to the technical field of adsorption materials. The lignin-phenolic resin with the regular spherical morphology can be prepared through a one-step condensation polymerization reaction by taking lignin, hydroquinone and trioxymethylene as raw materials under an acidic catalysis condition and adopting a reversed-phase suspension polymerization method, the lignin belongs to a renewable resource and has the characteristics of low cost and environmental friendliness, and the lignin-phenolic resin can be used for preparing the lignin-phenolic resin with the regular spherical morphology. The phenolic resin can replace phenols to become a main phenol source, the substitution rate can reach 75%, and the yield of the synthesized phenolic resin reaches up to 60-80%. Besides, abundant phenolic hydroxyl groups, sulfonic acid groups and other oxygen-containing groups can be introduced into the resin by selecting the types of monomers, the cross-linked structure of the resin is changed by regulating and controlling the proportion of the monomers, the adsorption capacity of N-containing organic dyes is effectively improved, and efficient adsorption of rhodamine B and methylene blue can be achieved.
Owner:NANKAI UNIV +1

Display device

PendingCN122318663AImprove luminous efficiencyOmit the mask processOrganic dyeDisplay device
The display device according to this disclosure includes: a substrate including a display area and a non-display area; a plurality of light-emitting diodes (LEDs) disposed on the substrate; an encapsulation layer disposed over the plurality of LEDs; a touch sensing unit disposed on the encapsulation layer and including a plurality of touch electrodes; a plurality of organic dye patterns disposed on the touch sensing unit overlapping the light-emitting areas of the plurality of LEDs, and having a lower surface larger than the upper surface; and a black matrix exposing the upper surface of the plurality of organic dye patterns. Therefore, light is refracted from the side surfaces of the plurality of organic dye patterns to the upper surface of the plurality of organic dye patterns, thereby improving luminous efficiency.
Owner:LG DISPLAY CO LTD

A dual active group cationic modified anthraquinone reactive dye, a preparation method and application thereof

The application relates to the technical field of organic dyes, in particular to a double-active-group cationic modified anthraquinone reactive dye as well as a preparation method and application thereof. The preparation method of the double-active-group cationic modified anthraquinone reactive dye comprises the following steps: S1: dissolving 1-amino-4-sulfonic acid-1'-(N,N-dimethylpropylaminomethyl) anthraquinone in ice water, then adding melamine dropwise to carry out reaction, and obtaining an intermediate solution; S2: the intermediate solution is warmed to 20-25 DEG C, and hydroxyethyl sulfone sulfonate is added to carry out reaction; after the reaction is completed, salting-out is carried out, and the double-active-group cationic modified anthraquinone reactive dye is obtained, as shown in formula (1). The reactive dye is synergized through the cooperation of "double active groups + cationic adjustment + precise water-solubility design", can guarantee water-solubility and dyeing fastness, and can completely get rid of the dependence on a large amount of salt.
Owner:FUJIAN HUAFENG NEW MATERIALS

Plant-based water body filtering material and preparation method thereof

The invention discloses a plant-based water filtering material and a preparation method thereof, and relates to the technical field of filtering materials. When the plant-based water body filtering material is prepared, 4-(10, 15, 20-triphenyl porphyrin-5-yl) aniline sequentially reacts with acrylic acid-2, 3-epoxypropyl ester and zinc acetate to obtain an alkenyl porphyrin zinc complex; the preparation method comprises the following steps: reacting chitosan with an alkenyl porphyrin zinc complex to obtain modified chitosan; reacting the oxidized reed carbon with butyl trimethyl ammonium chloride to obtain modified reed carbon; preparing a spinning solution from polybutylene terephthalate, the modified chitosan and the modified reed carbon, and performing electrostatic spinning to obtain a fiber membrane; itaconic acid and alkenyl benzisothiazolinone are prepared into a finishing solution; and finishing the fiber membrane with the finishing liquid to obtain the plant-based water filtering material. The plant-based water filtering material prepared by the invention can adsorb and catalytically degrade organic dyes in wastewater and adsorb heavy metals, and also has an antibacterial effect.
Owner:SHENZHEN BIOCOMMA TECH

Preparation method and application of BiOBr / LaNiO3 nanofiber composite photocatalyst

The invention discloses a preparation method of a BiOBr / LaNiO3 nanofiber composite photocatalyst, which is characterized in that a perovskite material LaNiO3 prepared by electrostatic spinning is used as a carrier, and BiOBr is loaded on the fiber surface by a solvothermal method to form a heterojunction structure. According to the composite material, separation of photon-generated carriers is promoted through heterojunction of BiOBr and LaNiO3 nanofibers, and the catalytic activity under visible light is remarkably improved. The invention further discloses application of the prepared BiOBr / LaNiO3 nanofiber composite photocatalyst in degradation of rhodamine B. The degradation efficiency of the BiOBr / LaNiO3 nanofiber composite photocatalyst on rhodamine B can reach 93% within 90 min, and after four times of circulation, the composite material shows good circulation stability. The method has the advantages of being low in cost, high in stability, environmentally friendly and the like, and a green solution is provided for organic dye pollution control.
Owner:CHANGJI UNIV

A cross-linked cyclodextrin-based polymer and a preparation method and application thereof

This invention discloses a cross-linked cyclodextrin polymer, its preparation method, and its applications, belonging to the field of compound synthesis and separation enrichment technology. This invention employs a Sonogashira coupling reaction to react α, β, and γ cyclodextrins with 2-, 3-, or 6-position fully iodine-substituted cyclodextrins with polyalkynyl groups, respectively, to obtain cross-linked cyclodextrin polymers with large specific surface areas and numerous cyclodextrin cavities. These polymers exhibit good separation effects for organic dyes, small organic molecule pollutants, and harmful components in cigarette smoke.
Owner:KUNMING UNIV OF SCI & TECH

Preparation method and multifunctional application of polyethyleneimine / MIL-101 (Cr) modified nanocellulose composite aerogel

The application discloses a preparation method of nanocellulose / polyethyleneimine / MIL-101(Cr) composite porous material for efficiently capturing dyes and heavy metal ions in wastewater. First, Cr(NO3)3.9H2O is selected as a metal ion source, H2BDC is selected as an organic ligand, and water is selected as a solvent, and MIL-101(Cr) powder without fluorine is prepared through a hydrothermal synthesis method; then, CNF is selected as a green polymer matrix, PEI is selected as a functional reagent, and MIL-101(Cr) nano-filler is simply complexed with a crosslinking agent to prepare a series of new nanocellulose / polyethyleneimine / MIL-101(Cr) aerogels which are uniform and low in density, can efficiently absorb organic dyes and heavy metal ions in wastewater, and have a synergistic effect on simultaneously absorbing dyes and heavy metal ions in a binary system. The raw materials in the application are derived from biomass, have the advantages of biodegradability and good biocompatibility, and have the characteristics of easy availability, simple preparation method, short operation process, recyclability, environmental protection and economy. The application has a good application prospect in wastewater treatment and other industries.
Owner:NANJING FORESTRY UNIV

Polyimide and polymer composite micro / nanofiber nonwoven fabric, and preparation method and application thereof

PendingCN122406414APolymer scienceSpinning
The application belongs to the technical field of composite micro / nano fiber materials, and particularly relates to a polyimide and polymer composite micro / nano fiber nonwoven fabric, a preparation method and application thereof. The nonwoven fabric is a three-dimensional porous network composed of composite micro / nano fibers with a skin-core structure; the skin layer material of the composite micro / nano fiber is polyimide, and the core layer material is a polymer; the polymer is at least one of polyacrylonitrile, polyvinylidene fluoride and polyarylene ether. The preparation method is to prepare polyimide spinning solution and polymer spinning solution respectively, then perform coaxial electrospinning, and then perform post-processing. The polyimide and polymer composite micro / nano fiber nonwoven fabric has excellent chemical corrosion resistance, excellent mechanical properties, excellent thermal stability, low cost, uniform material compounding, high porosity and high efficient cyclic adsorption performance, can efficiently remove heavy metal ions and organic dyes in water, and has a wide application prospect in the field of water treatment.
Owner:ANSHUN UNIV

Near-infrared response self-repairing coating and preparation method thereof

The invention discloses a near-infrared response self-repairing coating and a preparation method thereof, and relates to the technical field of functional coatings. The invention relates to a near-infrared response self-repairing coating which is prepared from the following components in parts by mass: 100 parts of matrix resin, 1-3 parts of a near-infrared absorbent, 10-20 parts of a self-repairing agent, 8-15 parts of a curing agent, 1-3 parts of a dispersing agent, 0.5-2 parts of a defoaming agent and 20-30 parts of a solvent. The organic molecule near-infrared absorbent with a specific structure is adopted, the compatibility with matrix resin is good, molecular-level uniform dispersion can be achieved, the problem that a traditional inorganic photo-thermal material is prone to agglomeration is solved, meanwhile, the photo-thermal conversion efficiency is remarkably improved, and the defect that a conventional organic dye is insufficient in photo-thermal conversion capacity is overcome.
Owner:WUHAN CORRTEST INSTR

A nanocomposite adsorbent for oil shale slag, its preparation method and application

ActiveCN121513808BOrganic dyeSlag
This invention relates to the field of inorganic non-metallic adsorbent technology, specifically an oil shale slag nanocomposite adsorbent, its preparation method, and its application. It addresses the problems of low controllability, poor stability, poor adsorption effect, poor repeatability, and short cycle life associated with the application of oil shale slag as an adsorbent. The invention involves dispersing oil shale slag powder in a sodium silicate nonahydrate aqueous solution, stirring, and ultrasonicating to obtain suspension 1. A manganese sulfate aqueous solution is added to suspension 1 to obtain suspension 2. Suspension 2 undergoes a hydrothermal reaction, and the reaction product is centrifuged until the pH is neutral. The product is then dried, ground, and sieved to obtain the oil shale slag nanocomposite adsorbent, which can be applied to the adsorption of organic dyes. This invention significantly improves the reactivity, removal capacity, and adsorption stability of the oil shale slag nanocomposite adsorbent for organic pollutants, exhibiting excellent repeatability and cycle life, providing an economical, environmentally friendly, and sustainable solution for water treatment and solid waste management.
Owner:JILIN JIANZHU UNIVERSITY

Preparation method and application of metal-organic dye adsorbent based on sulfonyl calixarene

The invention discloses a preparation method and application of a metal-organic dye adsorbent based on sulfonyl calixarene, Ni (II) is used as a metal node, and the metal-organic dye adsorbent is prepared through a solvothermal directional assembly strategy by utilizing the synergistic coordination effect of a dicarboxylic acid ligand 4, 4 '-dithiobisbenzoic acid and p-tert-butylsulfonyl calix [4] arene (H4TBSC). The sulfonyl calixarene-based structure metal-organic dye adsorbent with definite inner and outer cavity partitions is successfully constructed. The adsorption material comprises a central large cavity and two symmetrically distributed peripheral cavities, and the special structure enables the adsorption material to show excellent selective adsorption performance on Congo red (CR) dye molecules. And efficient separation of a Congo red / rhodamine B (RhB) mixed system can be realized through a molecular size screening effect. The invention provides a new thought and method for developing a multifunctional supramolecular adsorption material based on dynamic coordination engineering, and has a wide application prospect in the fields of dye separation and wastewater treatment.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Self-adaptive photochromic coating as well as preparation method and application thereof

The invention belongs to the field of photochromic coatings, and particularly relates to a self-adaptive photochromic coating and a preparation method and application thereof.The self-adaptive photochromic coating is prepared from, by weight, 0.5-1.5 parts of polycaprolactone, 4-6 parts of dichloromethane, 2-6 parts of tetrahydrofuran and 0.1-0.3 part of a composition A. The composition A is formed by compounding DASAs-1, DASAs-2 and organic dye; the self-adaptive photochromic coating prepared by taking the donor-acceptor Stetenporus adduct as a non-fixed hue and the organic dye as a fixed hue is different from a traditional photochromic material which needs to drive the material to perform color conversion in an ultraviolet light wave band. The prepared photochromic material can automatically adjust the color according to the change of ambient light under the driving of visible light, and self-adaptive camouflage is realized.
Owner:陕西华秦科技实业股份有限公司

Synthesis method of high catalytic and antibacterial activity nano-zno multi-level structure material

The application discloses a method for synthesizing high-catalysis and high-antibacterial-activity nano ZnO multi-level structure material, and belongs to the field of preparation of nano inorganic materials. The application provides a new method for preparing nano ZnO multi-level structure material with different morphologies in a one-step method by using ethylene glycol and an organic solvent as mixed solvents at normal pressure and in a low temperature range, and high-activity bowl-shaped multi-level structure of nano ZnO self-assembled is obtained in a simple system for the first time, without additional additives or strong alkali, so that the convenient, controllable and green synthesis of high-activity nano ZnO multi-level structure is realized. The prepared nano ZnO multi-level structure material has the performance of photocatalytic degradation of organic dyes and excellent antibacterial performance.
Owner:SHENYANG PHARMA UNIV

Preparation method of indium complex nanomaterial, obtained material and application thereof

The application relates to the technical field of complex nanomaterials, in particular to a preparation method of an indium complex nanomaterial, the obtained material and application thereof. The application discloses a preparation method of an indium complex nanomaterial, which comprises the following steps: adding inorganic indium salt and 5-bromoisophthalic acid into N,N-dimethylformamide to obtain a transparent reaction liquid; carrying out a solvothermal reaction on the reaction liquid in a reaction kettle; cooling the reaction kettle after the solvothermal reaction, and separating to obtain a solid crude product; washing the solid crude product, drying, and obtaining the indium complex nanomaterial. The application also discloses the indium complex nanomaterial prepared by the above preparation method and application of the indium complex nanomaterial in adsorption of organic dye wastewater. The indium complex nanomaterial prepared by the application has excellent adsorption performance on Congo red dye in a water environment, and also has certain adsorption performance on rhodamine B and methyl orange, and has relatively high practical application value in treatment of organic dye wastewater containing Congo red dye.
Owner:CHIZHOU UNIV

Biomimetic enzyme functional composite membrane constructed by microfluidics and application of biomimetic enzyme functional composite membrane in removal of water pollutants

PendingCN120695662AMembranesSemi-permeable membranesMultilayer membraneLiposome Vesicle
The invention provides a biomimetic enzyme functional composite membrane constructed by microfluidics and application of the biomimetic enzyme functional composite membrane in removal of water pollutants. According to the composite membrane, lipidosome vesicles embedded with laccase molecules are prepared through a microfluidic method, a functional coating is formed by sodium alginate, and the functional coating and a porous PVDF supporting membrane are compounded to form a multi-layer membrane structure. The prepared biomimetic membrane simulates the gradient structure of a biological water channel, achieves the synergistic effect of enzyme catalytic degradation and physical filtration, has high selectivity and high permeation flux, and solves the technical problem that'flux-selectivity 'of a traditional membrane is difficult to consider. The membrane material is derived from natural renewable resources, the preparation process is green and environment-friendly, and the membrane shows efficient purification capacity in the aspect of removing heavy metal ions and organic dye pollutants and has excellent anti-pollution and self-cleaning characteristics.
Owner:JIANGSU UNIV

MXene / NH2-MIL-125 composite membrane as well as preparation method and application thereof

The invention discloses a preparation method of an MXene / NH2-MIL-125 composite film, and the preparation method comprises the following steps: carrying out etching treatment on Ti3AlC2, so as to obtain a Ti3C2Tx MXene nanosheet; the preparation method comprises the following steps: synthesizing NH2-MIL-125 (Ti) nanoparticles by taking 2-aminoterephthalic acid as an organic ligand and tetrabutyl titanate as a metal precursor through a solvothermal method; ti3C2Tx MXene nanosheets and NH2-MIL-125 (Ti) nanoparticles are added into deionized water according to the mass ratio of 1: (1-9) to be uniformly dispersed, an MXene / NH2-MIL-125 composite membrane is obtained through vacuum filtration, and the surface hydrophilicity of the membrane can be effectively improved by regulating and controlling the ratio of MXene to NH2-MIL-125 (Ti), so that the efficient separation membrane with super-hydrophilic and underwater super-oleophobic characteristics and excellent separation performance is obtained, and the separation efficiency is improved. And efficient separation, precious metal ion recovery and organic dye removal of the oil-in-water emulsion can be realized at the same time.
Owner:CHANGAN UNIV

A citric acid modified bagasse biochar, a preparation method thereof and application thereof in removing malachite green in water

ActiveCN120644172BMalachite greenOrganic dye
The present application relates to the technical field of water treatment, in particular to a kind of lemon acid modified bagasse biochar and its preparation method and application in removing malachite green in water.The present application uses bagasse as raw material, uses lemon acid as modifier, prepares the alkali treated lemon acid modified bagasse biochar by high-temperature limited oxygen pyrolysis, and is used to absorb organic dye malachite green in water, and the adsorption capacity can reach 1139 mg·g ‑1 .
Owner:SHANDONG AGRI & ENG UNIV

A recyclable floating cyan-modified carbon nitride catalytic reactor for natural light degradation of printing and dyeing contaminated water body

PendingCN122501962AImprove photocatalytic performanceIncreased reaction rate constantOrganic dyeModified carbon
This invention provides an easily recyclable, floating cyano-modified carbon nitride catalytic reactor for the natural photodegradation of polluted water bodies from dyeing and printing industries, along with its preparation method and application, belonging to the field of photocatalytic water treatment. Addressing the problems of difficult recovery and low carrier separation efficiency of traditional powder photocatalysts, this invention provides a carbon nitride photocatalytic material co-modified with cyano and sodium ions. This material is loaded onto graphite felt to form a photocatalytic film, which is then wrapped and fixed by an anti-floating mesh to constitute a floating catalytic reactor. The strong electron-withdrawing effect of cyano groups and the intercalation coordination effect of sodium ions synergistically promote the separation and migration of photogenerated carriers. This reactor is self-floating and easily recyclable, and can efficiently degrade organic dye pollutants in dyeing and printing water bodies under natural light, making it suitable for the remediation of static or slow-flowing water bodies such as rivers in dyeing and printing industrial parks. This invention features a stable structure, easy recovery, and modular deployment, providing a feasible solution for the transformation of photocatalytic technology into practical dyeing and printing water treatment projects.
Owner:YUNNAN NORMAL UNIV

ABS composite material as well as preparation method and application thereof

PendingCN121673744ASynthetic resin layered productsCarbon based nanomaterialsOrganic dye
The invention discloses an ABS (Acrylonitrile Butadiene Styrene) composite material as well as a preparation method and application thereof. The ABS composite material is prepared from the following components in parts by weight: 87 to 99 parts of ABS resin, 0.5 to 5 parts of lanthanide oxide, 0.5 to 5 parts of liquid crystal polymer, 0.1 to 0.5 part of carbon nano tube, nano zinc oxide, organic dye molecules and a carbon-based nano material, the mass ratio of the nano zinc oxide to the organic dye molecules to the carbon-based nano material is (2-4): (3-5): (2-4); the total dosage of the nano zinc oxide, the organic dye molecules and the carbon-based nano material is 3-7 parts. According to the ABS composite material provided by the invention, the time required by laser marking is shortened, the definition of laser marking is improved, and the carbonization or yellowing phenomenon caused by local overheating of the surface of the material is avoided.
Owner:WUHAN JINFA TECH CO LTD +1