479 results about "Resorcinol" patented technology

Provided are a whitening and freckle-removing composition, a gel, a preparation method therefor, and a use thereof, relating to the technical field of skin-care products. The whitening and freckle-removing composition comprises tranexamic acid, nicotinamide, 4-butylresorcinol, licorice extract, 3-o-ethyl ascorbic acid, and glutathione. For the whitening composition, by inhibiting the activity of tyrosinase, blocking the transfer of melanin from melanocytes to keratinocytes, and inhibiting the formation and accumulation of melanin by means of multiple mechanisms including oxidation resistance, and by means of the synergistic action of all components, cosmetic benefits of whitening and freckle-removing are achieved. The whitening and freckle-removing gel has a simple preparation method, has a mild and non-sensitizing formula, is safe and non-irritating, and is suitable for large-scale production and application.

The invention belongs to the technical field of cosmetics, and discloses a whitening composition, application thereof and cosmetics. The whitening composition is prepared from the following active ingredients in parts by mass: 16 to 24 parts of coix seed fermentation liquor, 8 to 12 parts of Chinese herbaceous peony extract combined factors, 22 to 38 parts of 4-butylresorcinol solution and 2 to 8 parts of zinc gluconate, through the synergistic effect of the four components, the activity of tyrosinase can be effectively inhibited, synthesis of cell melanin can be effectively inhibited, and the whitening effect is good.

The present invention discloses a high-gloss environmentally friendly UV-curable luminous ink and a preparation method thereof, which belongs to the technical field of UV-curable luminous ink. The ink comprises the following raw materials in parts by weight: 78 to 84 parts of bio-based polyurethane prepolymer, 38 to 45 parts of bio-based acrylate monomer, 10 to 15 parts of modified 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester as UV curing initiator, 11 to 16 parts of luminous powder, 7 to 10 parts of micro powder filler, and 4 to 8 parts of auxiliary agent; the bio-based polyurethane prepolymer is obtained by reacting castor oil, resorcinol, fructose and 1,5-pentamethylene diisocyanate in a weight ratio of 8 to 12:2 to 3:13 to 17:4 to 9. In the above manner, the prepared high-gloss environmentally friendly UV-curable luminous ink is coated on a substrate and then subjected to UV light curing treatment (curing energy 2800mJ / cm 2 ), the thickness of the cured film can be controlled more loosely, and the cured film thickness can be controlled at 8-12μm. The cured film has good coating appearance, friction resistance, stain resistance and gloss.

The invention discloses a heteroatom modified intrinsic microporous polymer material, a preparation method and application, and belongs to the technical field of environmental governance, and the preparation method comprises the following steps: (1) preparing nitro-substituted oxygen atom bridged calixarene from cyanuric chloride and nitro-substituted resorcinol in the presence of a basic catalyst; (2) reducing the nitro-substituted oxygen atom bridged calixarene into amino-substituted oxygen atom bridged calixarene; and (3) carrying out a Schiff base polymerization reaction on the amino-substituted oxygen atom bridged calixarene and a polyfunctional aldehyde group under a solvothermal condition to obtain the heteroatom modified intrinsic microporous polymer material. When the adsorbent is used, the adsorbent is directly added into a metal ion solution, the removal rate of dichromate radicals and manganese ions can reach 90% or above, and the adsorbed material can be repeatedly used after being washed by an acidic aqueous solution. And the polymerized material also has high water body stability, and is beneficial to recycling of the material.

The invention discloses a nitrogen-containing carbon hollow sphere supported cobalt-based catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalyst preparation. According to the preparation method, ammonia water, tetraethyl orthosilicate, polyoxyethylene polyoxypropylene ether triblock copolymer, resorcinol and a formaldehyde solution are fully reacted in a mixed solvent of deionized water and ethanol by virtue of a template method, and the nitrogen-containing carbon hollow spheres are obtained after calcination and etching; then carrying out surface modification on the nitrogen-containing carbon hollow spheres, and uniformly loading cobalt metal by virtue of the structure guiding effect of hexamethyleneimine and sodium citrate dehydrate; the prepared nitrogen-containing carbon hollow sphere supported cobalt-based catalyst has abundant highly-exposed Co-N-C active sites, has wide substrate universality, has good catalytic activity and selectivity for amination reactions with various long-chain fatty aldehydes, fatty ketones, cyclic fatty ketones, aromatic aldehydes and ketones as raw materials, and can realize efficient catalytic amination reactions of carbonyl compounds.

The application discloses a preparation method of carbon aerogel material for light electromagnetic shielding, and comprises the following steps: adding resorcinol, phloroglucinol, a template agent and formaldehyde into pure water, stirring and dissolving to obtain a precursor solution; adding the precursor solution into white oil containing a surfactant, emulsifying, heating in an oil bath and fully reacting; centrifugal separation to obtain powder, high-temperature carbonization, dispersion in oleylamine, addition into a stock solution containing nickel acetylacetonate, triphenylphosphine and oleylamine, high-temperature reaction and cooling, addition of a mixture of hexane and ethanol to obtain a product; centrifugal separation and washing to obtain light high-electromagnetic-shielding carbon aerogel. The carbon aerogel material for light electromagnetic shielding prepared by the method has the advantages of small density, high efficiency, corrosion resistance, high electromagnetic shielding efficiency, high product yield and the like, and by controlling the nucleation and growth rate of Ni2P, the Ni2P nanoparticles can be uniformly grown on the carbon aerogel microspheres, and the method is suitable for application in large-scale industrial production.

The invention belongs to the technical field of fire-extinguishing building materials, and discloses a microencapsulated efficient automatic fire-extinguishing patch and a preparation method thereof.The fire-extinguishing patch contains a fire-extinguishing microcapsule, the fire-extinguishing microcapsule is of a double-layer structure, the inner layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde, and the outer layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde; and the outer layer comprises a vinylidene fluoride-acrylic acid copolymer and glutaraldehyde. According to the invention, the flaky kaolin is used for enhancing the formaldehyde-free phenolic aldehyde inner layer and the vinylidene fluoride-acrylic acid copolymer outer layer to form a double-layer shell layer with high air tightness, so that the compactness and long-term stability of the shell layer of the microcapsule are greatly improved.

The invention relates to the field of skincare products, and particularly discloses skincare gel loaded with ganoderma lucidum exosome and a preparation method of the skincare gel. The skin care gel loaded with the lucid ganoderma exosome is prepared from the following raw materials in parts by weight: 20 to 40 parts of hydrogel matrix, 2 to 4 parts of lucid ganoderma exosome nanoparticles, 2 to 6 parts of niobium carbide nanosheets, 1 to 3 parts of nicotinamide, 0.1 to 2 parts of phenethyl resorcinol and 0.1 to 3 parts of green tea extract, the Mailing exosome nanoparticles are of a core-shell structure, a core layer comprises Mailing exosome and papain in a mass ratio of 1: (0.1-0.2), and a shell layer comprises a polylactic acid-glycolic acid copolymer and a penetration enhancer in a mass ratio of 1: (0.1-0.3). The skin-care gel provided by the invention has remarkable whitening, moisturizing and skin brightening effects.

The invention discloses a preparation method of a high-barrier aluminum oxide composite film for food packaging, and relates to the technical field of food packaging materials. The high-barrier aluminum oxide composite film for food packaging comprises the following raw materials in parts by weight: a barrier layer: 60-90 parts of modified nano aluminum oxide and 20-30 parts of a silane coupling agent KH-560; the functional layer is prepared from the following components in parts by weight: 18 to 28 parts of nano silver, 16 to 22 parts of compound antioxidant and 4 to 10 parts of nano titanium dioxide; the heat sealing layer is prepared from 22 to 32 parts of modified polylactic acid, 2 to 6 parts of graphene quantum dots, 12 to 16 parts of methyl methacrylate-butadiene-styrene copolymer, 3 to 6 parts of dodecyl trimethyl ammonium chloride, 10 to 14 parts of resorcinol tetraphenyl diphosphate and 7 to 17 parts of stearic acid intercalation modified nano montmorillonite. The high-barrier aluminum oxide composite film for food packaging is prepared by modifying nano aluminum oxide and polylactic acid, the barrier ability to gas, water vapor and ultraviolet rays is greatly improved, and the high-barrier aluminum oxide composite film is oil-resistant and antistatic. The product is high in mechanical strength, high in processing adaptability, capable of adapting to complex scenes, environment-friendly and safe.

Provided are covalent organic frameworks (COFs). Also provided are methods of making the COFs and methods of using the COFs. The COF sheets define a plurality of pores, and stack in an eclipsed configuration to form sheets that assemble to form nanoparticles. Each COF sheet may be a co-condensate of p-phenylenediamine (PA) and (i) triformylbenzene (TFB) and triformylphloroglucinol (TP) or (ii) triformylphloroglucinol (TP). A COF of the present disclosure has the following structure: Formula (I) and / or Formula II where each X2 is Formula (III) where earch X1 is Formula (IV) Formula (V) Formula (VI) Formula (VII) Formula (VIII) Formula (IX) Formula (X) Formula (XI) Formula (XII) Formula (XIII) or any tautomer thereof, where at least one X1 is not Formula (XIV).

A conductive epoxy composition is disclosed comprising an epoxy resin, a low-viscosity hydrocarbon diluent, silver, and graphene. The one-part formulation provides enhanced electrical conductivity, mechanical strength, and process stability. The epoxy resin may include resorcinol diglycidyl ether, diglycidyl ether of Bisphenol A, or Bisphenol F. The hydrocarbon diluent may include glycidyl-ether-family resins having defined carbon-chain characteristics and molecular weights. Silver may be present in particulate, flake, nanoparticle, or coated forms at about 55-90 wt. %, while graphene may be present at 0.03-0.3 wt. % with dimensions of 1-10 μm and surface areas of 400-2,000 m2 / g. Optional additives include solvents, ionic liquids, latent curing agents, and strength enhancers to optimize curing and adhesion.

The invention relates to the technical field of energy-saving heat exchange devices, in particular to an energy-saving jacketed heat exchanger for resorcinol production. Comprising an outer shell, a heat conduction shell is fixedly connected into the outer shell, the heat conduction shell and the outer shell are matched to form a steam cavity, the outer shell is provided with an air inlet and an air outlet which are both communicated with the steam cavity, and a water outlet communicated with the steam cavity is formed in the lower side of the outer shell. A steam cavity is formed in the outer shell, a liquid separation shell is installed on the upper side in the outer shell through a supporting plate, the outer shell is fixedly connected with a liquid inlet pipe communicating with the liquid separation shell, the outer shell is slidably and rotationally connected with a rotary drum located in the steam cavity, and a spiral flow guide plate is arranged on the inner wall of the rotary drum. Steam rises along a spiral path through the flow guide plate, sufficient heat exchange between the steam and liquid medicine is guaranteed, the contact time of the steam and the liquid medicine is prolonged, the steam is prevented from being discharged before heat exchange is completed, and therefore the purpose of saving energy is achieved.

The invention relates to the technical field of lithium / sodium ion batteries, in particular to a preparation method of a highly graphitized coated carbon material based on phenolic resin, which comprises the following steps: uniformly mixing formaldehyde, resorcinol and a basic catalyst, and then catalyzing and curing; carrying out carbonization treatment on the uncarbonized phenolic resin based on a gradient heating method; mixing ethidene diamine, dichloromethane and carbonized phenolic resin, and heating in an oil bath; and placing the cured and coated graphitized phenolic resin in a tubular furnace for highly graphitizing. According to the preparation method of the highly-graphitized coated carbon material based on the phenolic resin, high ordering of a carbon layer is achieved through gradient heating graphitization, a carbon six-membered ring plane is promoted to expand, an ABAB stacked graphite structure is formed, the conductivity is effectively improved, a CVD coating and nitrogen doping synergistic technology is combined, a CVD reaction is formed through ethanediamine and dichloromethane, and the high-graphitization coated carbon material based on the phenolic resin is obtained. Functional groups such as pyridine-N and graphite-N are introduced to the surface of the carbon layer, so that the interface bonding force between the carbon layer and the matrix is enhanced, and the conductivity of the carbon layer is further improved.

The invention provides a microcapsule type self-early-warning and self-repairing epoxy coating as well as a preparation method and application thereof, and belongs to the technical field of anticorrosive coatings. The method comprises the following steps: mixing urea, resorcinol, ammonium chloride and a polyethylene grafted maleic anhydride aqueous solution, and adjusting the pH value of the mixed solution to obtain a water phase; mixing the PU prepolymer, DCF, TO and ethyl phenylacetate to obtain an oil phase; the water phase and the oil phase are mixed, a formaldehyde solution is added into the mixed solution for a reaction, and microcapsules are obtained; and adding the microcapsule into the epoxy coating to obtain the microcapsule type self-early-warning and self-repairing epoxy coating. According to the microcapsule, PU / UF serves as a shell of DCF and TO, DCF serves as an early warning agent, and TO serves as a repairing agent; the DT coated PU / UF microcapsule has good dispersibility in the coating, when the coating is damaged, the microcapsule is broken to release DCF and TO, the self-early warning and self-repairing performance of the coating is achieved, and metal corrosion is delayed.

The invention discloses a synthesis and purification method of a trihydroxy phenol compound, which comprises the following steps: dissolving a crude product of resorcinol or a derivative thereof in methanol to obtain a solution, dropwise adding a methanol solution of p-toluenesulfonic acid and a ketone compound into the solution, and carrying out catalytic reaction at 50-70 DEG C to obtain a reaction solution; dropwise adding the obtained reaction liquid into deionized water at the temperature of 0-5 DEG C at the speed of 1-3 mL / min, stirring to separate out a white solid, and performing suction filtration to obtain a crude product; dissolving the crude product in ethyl acetate, adding column chromatography silica gel powder, stirring and adsorbing, separating supernate, and concentrating; and dissolving the concentrated solution in a mixed solvent of methanol and water, heating to 60-65 DEG C, dissolving, cooling to below 5 DEG C at a rate gradient of less than or equal to 0.5 DEG C / min, crystallizing, filtering, and drying to obtain the high-purity target compound. The method is simple and rapid in process synthesis, short in production period, low in production cost, high in target product total yield and suitable for industrial production.

The invention belongs to the technical field of cosmetics, and discloses a whitening composition for activating an autophagy pathway, which comprises the following components by weight: 15-25 parts of 4-butylresorcinol; 25 to 40 parts of a diglucosyl gallic acid solution; 2.5 to 4 parts of trehalose; 1 to 2 parts of sodium mannose phosphate; according to the whitening composition, the 4-butylresorcinol and the diglucosyl gallic acid are used as main whitening components, and the trehalose and the sodium mannose phosphate are used as cell autophagy active components, so that the whitening effect of the whitening components can be ensured, and the purpose of remarkably improving the whitening effect is achieved. Meanwhile, the invention further provides application and cosmetics of the composition.

The invention discloses a whitening and spot-fading composition and application thereof, and belongs to the technical field of cosmetics. The whitening and spot-fading composition is prepared from the following components in percentage by mass: 0.1 to 5.0 percent of nicotinamide, 0.0001 to 3.0 percent of tranexamic acid, 0.0001 to 1.0 percent of glycyrrhiza glabra root extract, 0.0001 to 0.4 percent of phenethyl resorcinol, 0.0001 to 2.0 percent of ascorbyl tetraisopalmitate, 0 to 1.0 percent (not including 0) of radix gentianae extract, 0.15 to 4.0 percent of emulsifier, 0.1 to 2.5 percent of antioxidant and the balance of water. By matching with various whitening active ingredients, the comprehensive whitening, brightening and skin improving effects are realized in the aspects of inhibiting melanin generation, blocking melanin transfer, accelerating melanin metabolism and the like; the combination of the specific emulsifier and the thickener can effectively improve the component stability of the composition. The composition is mild in performance, free of irritation to skin and good in market value.

The invention discloses a PVDF / PFA composite filter material for sewage treatment and a preparation method of the PVDF / PFA composite filter material, and relates to the technical field of water treatment. When the filtering material is prepared, firstly, N-propenylimidazole and 1-chloro-3-phenylpropane react to prepare vinyl imidazolium salt, PVDF subjected to alkali treatment is grafted with the vinyl imidazolium salt, then the PVDF and 5-aza-uracil react, and modified PVDF is obtained; secondly, enabling resorcinol, 3, 5-dihydroxybenzoic acid and formaldehyde to react to obtain porous microspheres, and sulfonating the porous microspheres through chlorosulfonic acid to obtain modified microspheres; finally, PVDF, PFA, polyoxyethylene and the modified microspheres are mixed and subjected to melt spinning, and a fiber membrane is prepared; and carrying out in-situ generation of ferroferric oxide, and activating with hypochlorous acid to obtain the PVDF / PFA composite filter material for sewage treatment. The filter material prepared by the invention has good antibacterial, hydrophilic and photocatalytic degradation properties.

The present invention relates to a composition comprising 4-hexylresorcinol (4-HR) as an active ingredient for prevention or treatment of a bone disease, and a formulation thereof. The composition comprising 4-hexylresorcinol (4-HR) as an active ingredient, or an ointment thereof was found to improve bone thickness, density, and strength and control bone remodeling by promoting the differentiation of osteoblasts and suppressing the proliferation and differentiation of osteoclasts in osteoporosis-induced animal models. Thus, the composition or ointment comprising 4-hexylresorcinol (4-HR) as an active ingredient can be provided as a therapeutic agent for bone diseases including bone fracture, osteoarthritis, rheumatoid arthritis, and osteoporosis.

An environment-friendly impregnation solution includes in percentage by weight: 1-15% of blocked isocyanate, 0.5-10% of special amino resin, 10-50% of rubber latex, 1-5% of auxiliaries, and the balance of water, wherein the sum of the weight percentage of each component is 100%. A method for preparing the environment-friendly impregnation solution includes adding blocked isocyanate and auxiliary A into water and stirring uniformly to obtain Composition 1; adding auxiliary B into Composition 1 and stirring uniformly to obtain Composition 2; adding special amino resin into Composition 2 and stirring uniformly, then subjecting the same to grinding to obtain Composition 3; adding rubber latex into Composition 3 and stirring uniformly to obtain the environment-friendly impregnation solution, followed by packaging. The impregnation solution of the invention does not contain toxic and harmful substances such as formaldehyde and resorcinol, and the preparation method thereof is simple.

The invention discloses a production process of heavy aramid canvas. The production process comprises the following steps: S1, using aramid precursors as raw materials; s2, performing primary twisting on the aramid fiber protofilaments by using a rope twisting machine to form primary twisted filaments; s3, performing second twisting on the first twisted yarns by using a second twisting machine to form second twisted yarns; s4, weaving the second twisted yarns to form canvas; s5, the canvas is subjected to gum dipping treatment; wherein the impregnation formula comprises the following components in parts by weight: 0.37 part of caustic soda flakes, 14.7 parts of resorcinol, 14.7 parts of formaldehyde, 429 parts of butadiene-vinylpyridine rubber latex, 21 parts of ammonia water, 495.23 parts of water and 25 parts of isocyanate; the gum dipping speed is set to be in a periodic pulse mode. According to the method, the impregnation speed of the aramid canvas is set to be in a periodic pulse mode, so that the impregnation uniformity can be improved, the strength distribution is more consistent, and the strength loss rate is reduced. Through tests, the strength of the heavy aramid canvas can reach 4864n / mm.

The invention discloses a preparation method and application of a high-purity cannabidiol heptyl derivative CBDP, and belongs to the technical field of organic synthesis compounds. In order to solve the technical problems of low purity, complex process and high cost of cannabidiol heptyl derivatives in the prior art, the invention provides a preparation method with high purity and simple preparation process. The key points of the technical scheme are as follows: (1) 5-heptylresorcinol and (1S, 4R)-1-methyl-4-(1-methylvinyl)-2-cyclohexene-1-alcohol are dissolved in a solvent and react under the action of a Lewis acid catalyst, and a cannabidiol heptyl derivative CBDP is obtained; (2) dissolving a cannabidiol heptyl derivative CBDP in a solvent, reacting with a derivatization reagent, and purifying to obtain an intermediate 7; and (3) dissolving the intermediate 7 in a solvent, and purifying through an enzyme hydrolysis reaction to obtain the high-purity cannabidiol heptyl derivative CBDP.

The invention discloses a fluorescence sensing system based on nitrogen-doped carbon dots and machine learning and application of the fluorescence sensing system in recognition of benzenediol isomers, and belongs to the technical field of analytical chemistry and artificial intelligence. According to the invention, the undoped carbon dots and the nitrogen-doped carbon dots of which the properties change in a gradient manner are utilized to form the probe library, the carbon dots in the probe library can perform collaborative recognition, and weak differences between analytes are accumulated and amplified. Although the response difference of each single probe in a probe library to two similar isomers is very small, the tiny differences can be accumulated and amplified in a high-dimensional response vector due to the gradient change of the properties of the probes; the microscopic chemical property difference, which is difficult to directly measure, between the isomers is converted into the macroscopic high-dimensional data mode difference which can be easily identified by a machine, so that the accurate identification and classification of the structural similar substances and the mixture thereof are realized.

A preparation method for a urea-formaldehyde microcapsule, comprising: uniformly mixing an emulsifier, urea, ammonium chloride, resorcinol and deionized water, adjusting the pH value, defoaming, adding dicyclopentadiene to form an emulsion, after stabilization, adding a formaldehyde solution and paraffin oil, covering and heating the emulsion for polymerization, and cooling and washing to obtain a urea-formaldehyde microcapsule.

The invention relates to the technical field of preparation of phase change materials, and discloses a preparation method of a high-stability double-framework composite phase change material. The preparation method comprises the following steps: firstly, dissolving resorcinol in deionized water, adding hexadecyl trimethyl ammonium bromide, stirring and dissolving, then adding a formaldehyde solution, fully mixing, and reacting in a drying oven to prepare phenolic resin; then, carrying out high-temperature carbonization on phenolic resin in a tubular furnace to obtain phenolic resin carbide with a porous structure; then, enabling the carbonized phenolic resin to adsorb phase-change materials such as paraffin in a molten state through a vacuum impregnation method, and after adsorption is completed, crushing the carbonized phenolic resin into fine powder; and finally, mixing the powder with high-molecular polymers such as epoxy resin, and performing curing reaction to form a double-framework composite structure. According to the invention, a double-support system is constructed through the synergistic effect of a phenolic resin carbide skeleton and a high-molecular polymer skeleton, so that the thermal stability and the shape retention capability of the phase-change material are remarkably improved, and the problems that a traditional phase-change material is easy to leak and poor in cycle performance are effectively solved. The obtained composite phase change material has important application value in the heat energy storage fields of building energy saving, waste heat recovery and the like.

The invention relates to the field of preparation of high polymer materials, and particularly discloses a flame-retardant SEBS / silicone rubber composite material and a preparation method thereof. The flame-retardant SEBS / silicone rubber composite material is prepared from the following raw material components in parts by weight: 30 to 50 parts of SEBS; 20-40 parts of silicone rubber; 6-9 parts of a composite flame retardant; 6-9 parts of an inorganic flame-retardant filler; 4-8 parts of a diluent; 3-8 parts of a compatibilizer; 1-2 parts of a cross-linking agent; 0.5 to 2 parts of an antioxidant; the composite flame retardant is prepared from melamine, resorcinol and formaldehyde, and the inorganic flame-retardant filler comprises PEG (polyethylene glycol) modified magnesium hydroxide and hydrotalcite; the preparation method comprises the following steps: blending the raw materials, and carrying out melt extrusion to obtain the flame-retardant SEBS / silicone rubber composite material. The limit oxygen index of the composition is increased by 39.5% or above, the highest hardness change rate does not exceed 18.4%, and the composition has moderate hardness and excellent flame retardance.

The application discloses a brazing flux capable of enhancing the radiation resistance of aluminum alloy brazing joints, and a preparation method and application thereof. The brazing flux is composed of 5-18% of an organic mixture and the balance of an inorganic mixture. The organic mixture is composed of 7-15% of EP-12 epoxy resin, 8-16% of EP-16 epoxy resin, 5-8% of F-51A high-temperature-resistant flame-retardant thermosetting phenolic resin, 5-8% of F-52A high-temperature-resistant flame-retardant thermosetting phenolic resin, 5-8% of resorcinol, 5-8% of hydroquinone and the balance of phthalic anhydride. The inorganic mixture is composed of 40-55% of CsF, 20-30% of AlF3, 0.005-0.01% of GaF3 and the balance of Al(OH)3. The brazing flux matches Zn-Al filler metal, can make the aluminum alloy brazing joint have good radiation resistance, and can significantly improve the shearing strength of the brazing joint.

The invention discloses a self-cleaning bionic anti-drag film based on a sharkskin surface structure and a preparation process of the self-cleaning bionic anti-drag film, and relates to the technical field of bionic anti-drag film preparation. According to the invention, resorcinol bis (2-hydroxyethyl) ether, 3, 3 ', 4, 4'-benzophenone tetracarboxylic dianhydride and the like are used as raw materials to prepare polyol containing an ester bond and an ether bond, the polyol reacts with 4, 4-diisocyanate dicyclohexylmethane to obtain a thermoplastic polyurethane film with high temperature resistance, and the polyol is also used for preparing an antistatic polyurethane coating, so that the antistatic polyurethane coating has high temperature resistance. And quaternary ammonium salt and sulfhydrylated titanium dioxide are introduced, so that the anti-drag layer formed after embossing and curing has antistatic and self-cleaning properties at the same time.

The invention discloses a hydrophilic molecularly imprinted carbon nitride photocatalyst, a preparation method and application of the hydrophilic molecularly imprinted carbon nitride photocatalyst to selective removal of ofloxacin (OFL), and belongs to the technical field of environmental pollution removal. Resorcinol and melamine are used as double hydrophilic monomers, formaldehyde is used as a hydrophilic cross-linking agent, and the hydrophilic molecularly imprinted carbon nitride photocatalyst is prepared. The hydrophilic molecularly imprinted carbon nitride photocatalyst with high selectivity and high activity is prepared by taking carbon nitride prepared by doping p-aminopyridine borate hydrochloride and combining with auxiliary calcination of molten salt as a matrix and OFL as a template and adopting a strategy of cooperation of surface imprinting and a two-step template immobilization method. The OFL in the water environment is stably, efficiently and selectively removed at low cost.

The present application relates to a kind of for processing complexing agent based nanometer material (CA@RF NPs) containing bromine / iodine wastewater.The preparation of ammonia catalysis sol-gel method is carried out, by adding different complexing agents in the precursor resorcinol compound, and the halogen substitution is carried out using its rich aromatic group.This innovation greatly shortens the halogen adsorption time, and improves the adsorption amount of halogen.Complexing agent based nanoparticle material realizes 90% or more of solid bromine efficiency in 3 hours, shows excellent adsorption performance, and can efficiently remove halogen pollutants in wastewater.The material has the characteristics of high efficiency, economy and environmental protection, as a new type of halogen wastewater treatment technology, can reduce the influence of halogen-containing wastewater on environment and human health, and has important application value.