45 results about "Silver phosphate" patented technology

The invention discloses a biological enzyme (at) MOFs / silver phosphate-based composite material and a preparation method and application thereof in water treatment. The preparation method of the composite material comprises the following steps: adding a biological enzyme and a dispersing agent into an organic ligand solution, and uniformly mixing to obtain a mixed solution; adding a metal source solution into the mixed solution, stirring for reaction, filtering, and drying filter residues to obtain a biological enzyme-coated MOFs material; and adding the bio-enzyme-coated MOFs material into a silver phosphate solution, carrying out mixing reaction, and drying the obtained solid to obtain the bio-enzyme-coated MOFs / silver phosphate-based composite material. The composite material disclosed by the invention not only can maintain the catalytic activity and stability of enzyme, but also has efficient photocatalytic activity under illumination; the MOFs, the photocatalytic material and the bio-enzyme promote each other, and finally the composite material shows good antibacterial and antibiotic degradation effects.

The invention relates to the field of electrolytic copper foil processing and application, and discloses a chromium-free environment-friendly passivation solution and an electrolytic copper foil preparation method, and the passivation solution is composed of 80-120 mg / L of silver phosphate, 5-20 mg / L of o-tert-butylphenol, 60-100 mg / L of potassium pyrophosphate and 10-40 mg / L of sulfuric acid. The o-tert-butylphenol can be adsorbed to the crystal boundary of a silver layer to form antioxidant free radicals, and the antioxidant free radicals are preferentially combined with oxygen molecules to form a stable compound, so that the oxidation resistance is improved; and meanwhile, the o-tert-butylphenol can be combined with a silica group of the silane coupling agent, so that the adhesive force of the silane coupling agent on the metal surface is increased, and the stripping resistance of the copper foil is improved.

To provide a visible light-responsive photocatalyst comprising carbon nitride and having superior photocatalytic effect.SOLUTION: The present invention relates to a visible light-responsive photocatalyst comprising carbon nitride and silver phosphate.SELECTED DRAWING: None

A floating-type silver phosphate / zinc ferrite / floating bead composite photocatalyst, and a preparation method therefor and the use thereof, and a wastewater treatment method. The floating-type silver phosphate / zinc ferrite / floating bead composite photocatalyst comprises floating beads, a zinc ferrite thin film coating the floating beads, and silver phosphate deposited on the zinc ferrite thin film, wherein zinc ferrite in the zinc ferrite thin film and the silver phosphate form a heterojunction. In the catalyst, floating beads serve as a carrier, such that the catalyst can float on the surface of an aqueous solution during use, thereby facilitating recycling; in addition, silver phosphate is deposited after the surface of the carrier is coated with the zinc ferrite thin film, thereby improving the photocatalytic activity of the catalyst under visible light. The preparation method for the catalyst is simple to operate and easy to industrialize.

The invention discloses a ceramic wine bottle crack glaze and a preparation method thereof, and belongs to the technical field of ceramic wine bottles, the ceramic wine bottle crack glaze comprises the following raw materials by weight: 60-70 parts of crack frit, 2-8 parts of a modified photocatalytic component, 18-22 parts of potassium feldspar, 5-7 parts of Guizhou soil, 1-3 parts of bentonite, and 4-6 parts of calcite; the preparation method of the modified photocatalytic component comprises the following steps: adding a titanate coupling agent into absolute ethyl alcohol, magnetically stirring at 30 DEG C for 30 minutes, then adding a photocatalytic component, continuously stirring for 6-8 hours, and finally drying for 12 hours to obtain the modified photocatalytic component. A glaze surface formed by sintering the glaze material provided by the invention at a high temperature has tiny cracks, also has good self-cleaning performance, can catalytically degrade pollutants on the glaze surface, especially dirt at the cracks, under the irradiation of visible light, and has the advantages of good self-cleaning performance, good self-cleaning performance, good self-cleaning performance and good application prospect. The sanitary condition of the ceramic wine bottle in the using process is greatly improved.

The invention provides mixing equipment for disinfectant production, and relates to the technical field of disinfectant preparation, the mixing equipment comprises a reaction tank and a partition plate; a partition plate is arranged in the reaction tank, a material leakage opening is formed in the partition plate, a threaded rod is rotatably connected to the interior of the reaction tank, a sealing sleeve is connected to the threaded rod through threads, a connecting baffle is slidably connected to the interior of the sealing sleeve, a connecting sleeve is rotatably connected to the connecting baffle, and a material receiving opening corresponding to the material leakage opening is formed in the connecting baffle; the connecting sleeve is fixedly connected with a partition check block capable of partitioning the material receiving port, a connecting rod is fixedly connected in the reaction tank, the connecting rod is in sliding connection with the connecting sleeve, the sealing sleeve and the connecting baffle, a first discharging hole is formed in the sealing sleeve, and a second discharging hole is formed in the connecting sleeve. According to the application, the loss of silver ions in the filtering process of the silver phosphate precipitate can be reduced.

The invention discloses an antibacterial ceramic product and a manufacturing method, and belongs to the technical field of ceramics. A green body of the antibacterial ceramic product comprises the following components: kaolin, potassium feldspar, albite, quartz and titanium oxide. The antibacterial ceramic product comprises a ceramic body and a ceramic glaze layer from inside to outside, and the glaze layer comprises the following components: kaolin, quartz, potassium feldspar, calcined talcum powder, zinc phosphate, silver phosphate, cerium oxide and frit. The prepared antibacterial product has more excellent glaze strength, antibacterial rate and glossiness.

The application discloses a method for constructing a cycloalkene-quinolinone axial chiral compound through a Heck reaction. The method uses a quinolinone compound containing central chirality as a substrate, uses palladium acetate (Pd(OAc)2) and 4,5-bisdiphenylphosphine-9,9-dimethylxanthene (Xantphos) as a catalyst, uses silver phosphate (Ag3PO4) as an alkali, and uses toluene as a solvent to prepare a cycloalkene-quinolinone axial chiral compound. The compound can be reacted with diisobutylaluminum hydride to realize conversion of a functional group. The method has mild reaction conditions, raw materials are easy to obtain, the product has excellent enantioselectivity, and has excellent yield, and thus provides a new method for synthesizing a cycloalkene-quinolinone axial chiral compound.

The invention discloses a preparation method of a silver phosphate / ferroferric oxide carbon composite material. The preparation method specifically comprises the following steps: step 1, preparing Fe-MOF; step 2, preparing Fe3O4 (at) C; and step 3, preparing to obtain the silver phosphate / ferroferric oxide carbon composite material. The method is simple in implementation process and good in compounding effect. The invention further discloses the silver phosphate / ferroferric oxide carbon composite material prepared by the method, the visible light absorption range of the composite material is enlarged, the composite material has high photocatalytic degradation capacity on organic dye, and meanwhile, the material has high magnetism and is easy to recover after being used.

The invention belongs to the technical field of polymer composite materials, and particularly relates to an antibacterial thermoplastic polyurethane composite material and a preparation method thereof. The problems that in the prior art, a thermoplastic polyurethane matrix has a weak diffusion retardation effect on an inorganic silver antibacterial agent, and a phosphorus-containing flame retardant and silver ions coexist to easily generate silver phosphate precipitates, so that the flame-retardant and antibacterial effects are reduced are solved. The composite material disclosed by the invention takes TPU (Thermoplastic Polyurethane) as a matrix, and comprises Ag (at) ZIF-8 (at) PDA-peptide / PtPd and an antibacterial flame-retardant difunctional monomer, through structural gradient optimization design, mechanical properties are considered while slow-release and long-acting sterilization is realized; the flame-retardant and antibacterial polymer material has excellent antibacterial performance and efficient flame-retardant performance, and is suitable for the field of flame-retardant and antibacterial polymer products.

The invention discloses a g-C3N4 / Ag3PO4 / AgCl composite photocatalyst as well as a preparation method and application of the g-C3N4 / Ag3PO4 / AgCl composite photocatalyst. The g-C3N4 is gradually compounded with silver phosphate and silver chloride and then added into a polyacrylonitrile spinning solution, and the nanofiber membrane is prepared through electrostatic spinning. After the g-C3N4 is gradually compounded with silver phosphate and silver chloride, separation of photon-generated carriers is facilitated, and reduction of silver ions by photo-generated electrons is reduced, so that the degradation efficiency of the photocatalyst is improved, and the light corrosion resistance is improved. Meanwhile, the photocatalyst is fixed in the prepared nanofiber membrane, so that the photocatalyst can be stable for a long time in the wastewater treatment process and can be recycled for multiple times, and the treatment cost is reduced, and therefore, the nanofiber membrane fixed g-C3N4 / Ag3PO4 / AgCl composite material can be used for efficiently treating dye wastewater.

The invention belongs to the technical field of catalysts, and discloses a preparation method and application of silver phosphate particles with conical surfaces. The preparation method comprises the following steps: adding ammonia water into a silver nitrate solution, then adding a Na2HPO4 solution, stirring and mixing to obtain a precipitate, and washing to obtain silver phosphate particles with conical surfaces; the concentration of the silver nitrate solution is 15-25 mmol / L; the concentration of the ammonia water is 1.0-5.0% by mass fraction; the volume ratio of the silver nitrate solution to the ammonia water is 20: (1.0-1.2). The preparation method is mild in reaction condition and easy and convenient to operate, the morphology structure of the silver phosphate particles can be well adjusted only by controlling the concentration of the silver nitrate solution, the concentration of the ammonia water and the use amount relation between the silver nitrate solution and the ammonia water, and therefore the silver phosphate particles with the conical surfaces are obtained. The silver phosphate particles with conical surfaces, which are prepared by the preparation method provided by the invention, have a good catalytic effect on photocatalytic decomposition of phenol.

A method of making Cu—Ag3PO4 nanoparticles is provided. The method includes forming a mixture of at least one silver salt, at least one phosphate salt, and at least one copper (II) salt. The method further includes dissolving the mixture in water. The method further includes sonicating the mixture. The method further includes precipitating the Cu—Ag3PO4 nanoparticles or “nanoparticles”. The copper is present in the nanoparticles in an amount of 2 to 23 weight percent (wt. %) based on the total weight of the Cu—Ag3PO4. The nanoparticles of the present disclosure find application in treating cervical cancer, and colorectal cancer. The nanoparticles may also be used in photodegrading environmental pollutants.

The invention discloses a preparation method of a silver phosphate-containing hydrogel film for photodegradation of high-salt pollutants. The preparation method comprises the following steps: reacting silver nitrate with trisodium phosphate to obtain silver phosphate, preparing a mixture aqueous solution of silver phosphate and sodium alginate as a membrane casting solution, coating a non-woven fabric with the membrane casting solution under a winding transmission device, and crosslinking with an oxalic acid aqueous solution to obtain the silver phosphate-containing hydrogel membrane for photodegradation of high-salt pollutants. The hydrogel film is arranged in a fixed frame, the hydrogel film and the fixed frame are soaked in an aqueous solution of pollutants containing high-concentration inorganic salt, and the pollutants are degraded under irradiation of ultraviolet light or visible light. The preparation method comprises the following steps: dissolving a hydrogel film with reduced catalytic performance after repeated use with a sodium carbonate aqueous solution, carrying out centrifugal separation, washing with deionized water, and drying to obtain recovered silver phosphate powder, thereby re-preparing the hydrogel film containing silver phosphate for photodegradation of high-salt pollutants. The preparation method is simple, industrialization is easy, the photocatalyst silver phosphate can be recycled and regenerated, and good application prospects are achieved.

The invention discloses a silver phosphate catalyst and a use method, and relates to the technical field of catalysis. The problems that an existing silver phosphate catalyst is low in catalytic efficiency and cannot be reused after being recycled are solved. Comprising the steps that models with different porosities are selected, a mixture green body containing silver and resin is prepared on the basis of the photocuring additive manufacturing technology, and a pure silver framework is obtained after the mixture green body is degreased and sintered; the pure silver skeleton is soaked in a dilute HNO3 solution with the concentration being 5% to be subjected to ultrasonic treatment according to set time, the pure silver skeleton obtained after ultrasonic treatment is cleaned and dried, and an initial sample is obtained; and immersing the initial sample into NaH2PO4 solutions with different concentrations, carrying out ultrasonic treatment according to a set time, adding a H2O2 solution with a volume fraction of 10%, carrying out ultrasonic treatment, cleaning, and drying to obtain the silver phosphate catalyst.

The present invention relates to a method for antimicrobial protection applied to hides in the tanning process incorporating a biocidal composition and an additive allowing the Identification of its presence by means of a luminescent effect, as well as certifying its originality using luminescence encryption techniques, wherein the composition is added in the tanning process immediately after adding the chromium or titanium salts and in an amount between 0.1 % and 5 % by weight of the material to be tanned and comprises: silver phosphate glass between 3 % and 5 %; silicone in an amount between 1 % and 3.5 %; aliphatic hydrocarbons between 0.1 % and 0.30 %; and water between 90 % and 95 %, and the luminescent additive is added in an amount between 0.1 % and 5 % by weight of the material to be tanned and comprises between 20 % and 40 % silica; alumina in a proportion between 10 % and 30 %; calcium fluoride between 30 % and 50 %; erbium (III) fluoride between 0.5 % and 3 %; ytterbium (III) fluoride between 5 % and 15 %; thulium (III) fluoride in a maximum amount of 5 %; and europium (III) fluoride in a maximum amount of 5 %, with respect to the total weight of the luminescent additive.

The present invention discloses a method for removing antibiotics from livestock and poultry wastewater by using a COFs-based composite photocatalyst, and the COFs-based composite photocatalyst comprises spherical vinyl-functionalized covalent organic frameworks and silver phosphate particles. In the present invention, the treatment method comprises: (1) introducing the livestock and poultry wastewater into the reaction pool of the catalytic reaction device, and then adding the COFs-based composite photocatalyst for catalytic reaction treatment, and the reaction time is 12 to 20 minutes; (2) overflowing the wastewater after the reaction in step (1) into the sedimentation tank, and the sedimentation time is 30 to 90 minutes; (3) discharging the supernatant after sedimentation from the catalytic reaction device; (4) pumping the catalyst after sedimentation back to the reaction pool, and simultaneously arranging a material regeneration tank to carry out activation and regeneration treatment on the catalyst after sedimentation with a period of 1 to 3 months. The present invention has the advantages of high treatment efficiency, simple operation, etc., can achieve complete degradation and removal of antibiotics in livestock and poultry wastewater under the stress of high concentration of COD, ammonia nitrogen and total phosphorus, and has excellent adaptability and good industrial application prospects.

The invention discloses a high-molecular rare earth mineral environment-friendly material and a preparation process, and relates to the technical field of environment-friendly materials, and the high-molecular rare earth mineral environment-friendly material comprises the following components in parts by weight: 80-110 parts of high-molecular material master batch, 50-80 parts of calcium carbonate powder, 0.5-2 parts of silver phosphate, 1.5-4.5 parts of composite rare earth powder and 0.1-0.3 part of antioxidant 1010. According to the high-molecular rare earth mineral environment-friendly material and the preparation process thereof, calcite type calcium carbonate has a regular crystal structure and relatively high hardness, and after the calcite type calcium carbonate is treated by a diammonium hydrogen phosphate solution containing a titanate coupling agent and isopropanol, titanate and diammonium hydrogen phosphate have a synergistic effect, so that an inorganic-organic double-layer modified layer is formed on the surface of calcium carbonate; the interface bonding force with a non-polar PP substrate is greatly improved; meanwhile, the modification time is shortened through microwave radiation pretreatment, modification is more uniform, mechanical defects caused by powder agglomeration in traditional modification are avoided, and finally the tensile strength and impact toughness of the material are remarkably improved.

The present invention discloses a biocidal product for application to surfaces, particularly non-porous hard surfaces or the like, incorporating a luminescent identification marker which makes it possible to certify the presence of the product and therefore that protection is maintained, in addition to certifying its originality using luminescence encryption techniques. This biocidal composition enables its continuous disinfection action 24 hours a day, 7 days a week and is formed by the mixture of a biocidal composition and a luminescent additive dispersed therein, wherein the biocidal composition includes a mixture of biocidal agents formed by the combination of 0.5-5.0% dimethyl didecyl ammonium chloride and 0.5-5.0% dimethyloctadecyl[3-(trimethoxysilyl)propyl] ammonium chloride of a biocidal nature and a silver ion solution preferably consisting of silver phosphate glass in a proportion of 0.1-1%, and the luminescent additive includes aluminosilicate metal oxides containing rare earth ions as dopants.

Table linen (6), in particular disposable table linen and / or textile table linen, wherein the table linen (6) is soaked and / or impregnated with an active ingredient, wherein this active ingredient has an antiviral and / or antibacterial effect, wherein the active ingredient is an antiviral active ingredient with a biocide, in particular silver chloride and / or a chemically activated saline solution and / or a silver phosphate glass and / or a chemical-free solution at the molecular level, wherein positively charged ions are used which, upon contact, damage and / or destroy the negatively charged viral, microbial cells, and / or is silver chloride and / or titanium dioxide.and / or wherein the active ingredient has an antibacterial effect to prevent body odor and / or wherein the active ingredient prevents infection of healthy human cells by harmful viruses and / or wherein the active ingredient works with a silver and vesicle technology and / or wherein the active ingredient has positively charged nanofibers and / or wherein the active ingredient is based on a sustainable, biological, non-chemical basis and / or wherein the active ingredient is based on a specially modified water-based polymer emulsion based on special polymer mixtures, the basis of which is physical and / or mechanical in nature and / or wherein the active ingredient exhibits strong antimicrobial properties after curing,which are solely attributable to hydrophobic interactions of the cured polymer emulsion with the cell membrane of microorganisms and / or wherein this antimicrobial effect is purely physical and / or mechanical in nature and is not attributable to chemical or ionic interactions and / or wherein the polymer emulsion results in a polymer coating and / or wherein the chemical and physical properties of the polymer coating are modeled on the natural structure of microorganisms and / or wherein the active ingredient is free of biocides and nanoparticles.

The invention discloses a potassium-doped carbon nitride and silver phosphate heterojunction photocatalytic material as well as preparation and application thereof. The material comprises nano-sheet potassium-doped carbon nitride and silver phosphate particles deposited on a potassium-doped carbon nitride sheet layer, and the potassium-doped carbon nitride and the silver phosphate particles form a heterojunction structure. The preparation method comprises the following steps: calcining a mixed solid of organic amine and a potassium source to obtain potassium-doped carbon nitride; dispersing potassium-doped carbon nitride in water to obtain a first suspension, adding an Ag < + > solution into the first suspension to obtain a second suspension, adding a phosphate solution into the second suspension, and reacting to obtain a first product; and centrifuging the first product to obtain a precipitate, washing and drying to obtain the K-C3N4 / Ag3PO4 heterojunction material. The photocatalytic oxidation desulfurization conversion rate of the material can reach 90% or above, and the material has excellent oxidative degradation capacity on sulfides such as DBT which are difficult to remove through traditional hydrodesulfurization and can meet the strict standard of deep desulfurization of fuel oil.

The application discloses a silver phosphate composite material with antibiotic degradation and bacteria removal effects and a preparation method and application thereof. The method comprises the following steps: dissolving a nitrogen source and a sulfur source in an organic solvent, adding the obtained dispersion solution into a graphene oxide suspension, stirring to obtain a uniform suspension, and then annealing at high temperature to obtain NSG; adding the NSG into water to obtain an NSG suspension, adding a silver ion solution into the suspension, uniformly mixing, and obtaining an Ag + / NSG suspension; adding a hydrogen phosphate solution into the Ag + / NSG suspension, stirring and reacting, collecting the precipitate, and obtaining the composite material. The Ag3PO4 / NSG composite photocatalyst with antibiotic degradation and bacteria removal effects is prepared through a simple process. The Ag3PO4 / NSG composite photocatalyst is low in cost and can be reused.

An additional antimicrobial protection step applied to leather in the post-tanning process which incorporates a biocide composition and an additive that allows its presence to be identified by luminescent effect, and encryption techniques of the luminescence, wherein the composition is added in the tanning process immediately after the addition of chromium or titanium salts in an amount between 0.1% and 5% of the weight of the material to be tanned and comprises silver phosphate glass; silicone; aliphatic hydrocarbons; water, and the luminescent additive is added in an amount between 0.1% and 5% of the weight of the material to be tanned and comprises calcium fluoride; erbium (III) fluoride; of ytterbium (III) fluoride; a maximum of 5% of thulium (III) fluoride; and a maximum of 5% of europium (III) fluoride, with respect to the total weight of the luminescent additive.

The invention discloses a simple and efficient synthesis method of triaromatic amine compounds, comprising the steps of: adding 8-quinolyl substituted benzamide compounds, benzohydroxamic acid compounds, nickel catalysts, bis-diphenylphosphine ligands, potassium adamantanecarboxylate, and silver phosphate to an organic solvent N, N-dimethylformamide, heating to 130 DEG C under nitrogen conditions to react, reacting for 15h, and after the reaction is complete, post-processing (extraction and column chromatography separation) obtains the corresponding triaromatic amine compounds. In the present invention, directly using simple, easy to prepare, stable benzohydroxamic acid as aminating reagent, one-pot preparation of triaromatic amine compounds can be achieved via nickel-catalyzed inert carbon-hydrogen bond amination reaction. The conversion operation is simple, reactive, atom economy is good, substrates are widely used, and functional group compatibility is good, providing a kind of efficient synthetic route for the preparation of triaromatic amine compounds.

The present invention belongs to the technical field of textile materials and their preparation, and provides a TPU 3D air fiber, a preparation method thereof and an application. The present invention uses electrospinning to prepare TPU fibers to form a three-dimensional structure with ventilation channels; the introduction of organically modified montmorillonite increases the porosity and air permeability of the material; surface modification with polydopamine provides active sites for silver phosphate deposition and synergistically acts with silver phosphate to further improve the antibacterial effect; silver phosphate maintains good antibacterial effects under both light and dark conditions. The prepared TPU 3D air fiber has excellent air permeability and antibacterial properties, and is suitable for aspects such as sportswear, medical aids or household items.

The invention is suitable for the technical field of textile finishing, and provides a silver phosphate colloid, a preparation method thereof and an application of the silver phosphate colloid in textile finishing. The silver phosphate (Ag3PO4) colloid with higher stability is prepared in a high-concentration reaction system by using sodium dodecyl benzene sulfonate (SDBS) as a surfactant, the colloid is stable and does not precipitate in 96 hours, the yield per unit volume is increased, additional auxiliary reagents are not needed in preparation, and the preparation process is simplified. The Ag3PO4 colloid is used as a functional finishing agent for finishing the cotton fabric, and the obtained photocatalytic self-cleaning functional fabric is controllable in loading capacity, excellent in performance in the aspect of visible light catalytic degradation of organic pollutants such as reactive red 195 and wide in application. According to the method, the problem that Ag3PO4 colloid in a high-concentration system is easy to precipitate is solved, photocatalytic and self-cleaning multifunctional finishing of the cotton fabric is realized, and a feasible solution is provided for large-scale production of environment-friendly multifunctional textiles.

The invention discloses a preparation method of silver phosphate (Ag3PO4) nanospheres and application of the silver phosphate (Ag3PO4) nanospheres in electrocatalytic carbon dioxide reduction reaction (ECO2RR). The catalyst is synthesized by adopting a simple complexing-precipitation method, the process is simple and convenient, the condition is mild, and the catalyst is suitable for large-scale preparation. The obtained Ag3PO4 nanospheres show excellent catalytic performance in the CO2 electroreduction process, the activity of the nanospheres is mainly improved due to the fact that silver phosphate promotes generation of key intermediates COOH and COO, the adsorption capacity of the nanospheres to * CO2 intermediates is remarkably enhanced, and therefore the reaction selectivity and catalytic efficiency are effectively improved. The Ag-based electrocatalyst has the remarkable advantage of improving the problem of poor CO2 reduction selectivity of a traditional Ag-based electrocatalyst. Meanwhile, the technology is green and environment-friendly, the used raw materials are cheap and easy to obtain, the energy consumption in the synthesis process is low, and the method has good practicability and wide application prospects.

The invention provides a Co-Ag3PO4 composite photocatalytic material and a preparation method of the Co-Ag3PO4 composite photocatalytic material. The preparation method comprises the following steps: firstly, fully compounding silver nitrate and sodium hypophosphite to obtain pure silver phosphate crystals; and then roasting a cobalt source and Ag3PO4 to obtain the Co-Ag3PO4 composite photocatalytic degradation material. Compared with the prior art, the Co-Ag3PO4 composite photocatalytic degradation organic dye solution has the biggest characteristics that a novel catalyst applied to the field of photocatalytic degradation is simple and efficient in preparation process, and the prepared Co-Ag3PO4 composite photocatalytic degradation organic dye solution material is good in performance, perfect in crystal structure, excellent in recycling performance and easy to recycle.

This invention discloses an 0D / 2D Ag3PO4 / Bi3TiNbO9 heterojunction photocatalyst, its preparation method, and its application, belonging to the field of photocatalysis technology. The method involves adding Bi3TiNbO9 powder to deionized water and stirring to form a suspension, then adding AgNO3 powder and stirring until homogeneous. Finally, Na2HPO4·12H2O solution is added. By introducing silver phosphate onto the surface of bismuth titanate and constructing an 0D / 2D heterojunction, the built-in electric field of the heterojunction promotes the separation of photogenerated carriers. Simultaneously, the narrow bandgap silver phosphate's good response to visible light expands the spectral absorption range of the photocatalyst and inhibits photocorrosion of silver phosphate. The resulting 0D / 2D Ag3PO4 / Bi3TiNbO9 heterojunction photocatalyst has multiple active sites, high photogenerated carrier separation efficiency, and excellent photocatalytic degradation performance of dyes. Furthermore, the preparation process of this invention is simple, with low reaction temperature, short reaction time, and low material cost, making it suitable for industrial production.

The invention belongs to the technical field of coatings, and particularly relates to an antifouling coating for inhibiting microbial growth, electrical equipment, a preparation method and application. The invention provides an antifouling coating for inhibiting microbial growth. By adding film-forming substances such as polyphenyl ether and antibacterial agent components such as a silver phosphate antibacterial agent, a coating formed after the coating is cured has hydrophobic and long-acting antibacterial properties at the same time, and microbial contamination can be prevented for a long time; components such as trifluorochlorosilane modified polyphenyl ether, nano silicon dioxide and the like, and components such as a nano copper oxide antibacterial agent and the like are introduced into the coating, so that a super-hydrophobic long-acting antibacterial protective layer can be formed for electrical equipment; the technical problem that existing hydrophobic coatings are difficult to prevent microbial contamination for a long time is solved.