400 results about "Zinc phosphate" patented technology

The invention relates to the technical field of metal surface protection, and discloses a corrosion-resistant self-repairing metal fastener and a preparation method thereof.The corrosion-resistant self-repairing metal fastener comprises a zinc alloy matrix, a nanometer passivation layer, a slow-release corrosion-resistant layer and a self-repairing functional layer, and the nanometer passivation layer, the slow-release corrosion-resistant layer and the self-repairing functional layer sequentially wrap the zinc alloy matrix; the zinc alloy matrix consists of Al, Cu, Mg, Ce and Zn; the nano passivation layer adopts zinc phosphate / silane composite sol to construct a Si-O-P covalent bond network, and plasma is combined to graft epoxy groups to enhance the interface bonding strength; the slow-release anti-corrosion layer is used for loading a pH response type benzotriazole derivative through gradient aperture mesoporous silica, so that the dynamic controlled release of a corrosion inhibitor is realized; the self-repairing functional layer adopts a synergistic effect of a mechanical triggering type sulfydryl siloxane microcapsule and a pH triggering type EDTA chelating agent microcapsule to form a physical plugging-chemical passivation dual-mode repairing mechanism. Through four-stage cooperation of matrix modification, interface strengthening, slow-release regulation and control and intelligent repair, the corrosion resistance of the corrosion-resistant self-repairing metal fastener in a complex environment is remarkably enhanced.

The invention discloses a water-borne epoxy resin coating which comprises a component A and a component B, the component A is prepared from 60 to 80 parts of 50 percent modified water-borne epoxy resin emulsion, 5 to 15 parts of deionized water, 0.5 to 1 part of wetting dispersant, 0.2 to 0.8 part of defoaming agent, 5 to 10 parts of modified zinc phosphate, 3 to 5 parts of ion exchange antirust pigment, 4 to 6 parts of sericite powder, 3 to 5 parts of glass flake, 5 to 10 parts of precipitated barium sulphate, 1 to 5 parts of nano silicon dioxide and 0.5 to 1 part of rheological additive; 1 to 2 parts of modified organic bentonite slurry; 0.1 to 0.3 part of a pH conditioning agent; and 0.2 to 0.8 part of a flash rust inhibitor. The component B is prepared from 40 to 50 parts of waterborne epoxy-amine adduct, 20 to 30 parts of 50 percent modified polyamide curing agent, 5 to 15 parts of 60 percent Mannich base phenolic aldehyde amine curing agent, 0.5 to 1.5 parts of epoxy silane coupling agent, 1 to 2 parts of nonionic surfactant and 15 to 20 parts of deionized water. The emulsion stability of the waterborne epoxy resin coating is improved through a bisphenol A / F mixed epoxy emulsion and a grafted polyethylene glycol hydrophilic chain segment.

The invention discloses an inorganic modified super-long salt-spray-resistant water-based paint and a preparation method thereof, and relates to the technical field of water-based industrial paints. The inorganic modified super-long salt-spray-resistant water-based paint at least comprises the following raw materials in parts by mass: 60-70 parts of water-based acrylic resin, 0.1-0.5 part of a bactericide, 0.2-0.4 part of a wetting agent, 0.5-1 part of a dispersing agent, 0.1-0.3 part of a defoaming agent, 0.5-1 part of a pH regulator, 8-12 parts of nano silicon dioxide coated polymerized calcium phosphate, 0.5-2 parts of modified zinc phosphate, 8-10 parts of silk mica powder, 2-4 parts of a coalescing agent and 10-20 parts of water. And 0.5 to 1 part of a polyurethane thickening agent. The inorganic modified super-long salt-fog-resistant water-based paint prepared by the invention has super-long salt fog resistance, high base material adhesion and low ion dissolution amount, and the hardness and water resistance of a coating are also improved.

The invention discloses phenolic epoxy anticorrosive paint as well as a preparation method and application thereof, and belongs to the technical field of anticorrosive paint. The anticorrosive paint comprises a component A and a component B, the component A comprises novolac epoxy resin, a wetting dispersant, an adhesion promoter, a thixotropic agent, a pigment, a filler and a solvent A, and the component B comprises a Mannich base curing agent and a solvent B; wherein the novolac epoxy resin is composed of phenol type novolac epoxy resin and bisphenol A type novolac epoxy resin, the wetting dispersant is composed of copolymer containing acidic groups and modified polyurethane, the adhesion promoter is composed of titanate and aromatic polyether polyol, and the thixotropic agent is composed of organic bentonite and polyamide wax slurry. The pigment is composed of a color developing pigment and a zinc phosphate anti-rust pigment, and the filler is composed of a hydrophobic filler and precipitated barium sulfate. The anticorrosive paint disclosed by the invention has excellent heat and humidity resistance, corrosion resistance, temperature change cycle resistance, flexibility and adhesive force, and can perform long-acting protection on a metal base material under a thermal insulation layer.

The invention discloses a high-corrosion-resistance powder coating and a preparation method thereof, and belongs to the technical field of powder coatings. Through modification of the resin system, the ultraviolet absorbent modified epoxy resin and the weather-resistant polyester resin are compounded, so that the ultraviolet resistance and the weather resistance of the resin system are remarkably improved, and the corrosion resistance reduction caused by light aging is avoided; the flake graphene forms an excellent physical barrier to block corrosion medium permeation, then chemical passivation of zinc phosphate is combined to inhibit electrochemical corrosion, the synergistic effect is achieved, the corrosion resistance is synergistically enhanced from the physical and chemical angles, the path of the corrosion medium is further prolonged in combination with the laminated structure of the glass flakes, and the corrosion resistance is improved. And meanwhile, the filler A and the filler B can also play a role in enhancing the mechanical strength of the coating, so that the powder coating with high corrosion resistance can be obtained on the whole.

The invention relates to the technical field of epoxy primer, and discloses a water-based bi-component epoxy primer for public buses, which comprises the following raw materials in parts by mass: a component A: 38-43 parts of water-based epoxy resin; 15-20 parts of an anti-rust and anti-corrosion pigment; 10 to 15 parts of a pigment filling agent; 10 to 15 parts of body filler; 2.5 to 3.0 parts of a cosolvent; 2.5 to 3.0 parts of a dispersant; 0.3 to 0.5 part of a defoaming agent; 0.5 to 1 part of a wetting leveling agent; 0.5 to 1 part of a flash rust inhibitor; 0.2 to 0.5 part of a rheological additive; 10 to 15 parts of deionized water; a component B: 15-30 parts of an epoxy curing agent; and 10 to 20 parts of deionized water. The water-borne epoxy resin is a mixed solution of two emulsions with different particle sizes, and the anti-rust pigment is a mixed pigment of aluminum tripolyphosphate and composite zinc phosphate. The water-based bi-component epoxy primer for the public bus is high in adhesive force, good in flexibility, excellent in impact resistance and excellent in salt mist resistance and chemical resistance.

The invention relates to the technical field of ship protection materials, in particular to a ship accessory rust-proof coating and a preparation method thereof.The ship accessory rust-proof coating comprises the following three-layer structure and components from inside to outside: a basic corrosion-resistant layer comprises 10-30 parts of a nano ceramic material; 5-15 parts of a rare earth oxide; 0.5 to 1.5 parts of aminated graphene oxide; 40 to 60 parts of fluorocarbon resin; 20 to 30 parts of epoxy-polyurethane hybrid resin; 3-8 parts of a zinc phosphate corrosion inhibitor; 2-5 parts of a self-repairing microcapsule; 1-3 parts of a photoinitiator; the interface transition layer comprises the following components in parts by weight: 3-5 parts of gamma-aminopropyltriethoxysilane; 2-5 parts of organic silicon resin coated copper powder; the antifouling surface layer comprises the following components in parts by weight: 10-15 parts of Cu coated SiO2 core-shell particles; 10 to 15 parts of a copolymer of polydimethylsiloxane and methyltrimethoxysilane; and 1-3 parts of an antifouling auxiliary agent. According to the multifunctional protective coating for the ship, through the synergistic effect of multiple components, comprehensive improvement of corrosion resistance, pollution resistance, self-repairing and construction efficiency is achieved, and remarkable technical progress and practical value are shown.

The invention provides an ocean engineering anticorrosive coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following raw materials: fluorocarbon resin, modified synthetic mica, modified basalt fibers, modified carbon nanotubes, nano silicon dioxide, nano zinc oxide, nano titanium dioxide, carbon fibers, zinc phosphate, hydroxyl-terminated polybutadiene, a plant extract, organic tin and the like. The modified synthetic mica and the modified carbon nanotubes are modified by adopting pentaerythritol stearate, cellulose nitrate and sodium hexametaphosphate; the modified basalt fiber is modified by adopting sodium stannate, polyvinyl alcohol and sodium hexametaphosphate; the plant extract is ethanol percolation extract of kandelia candel leaves and mangnolia officinalis leaves. All the components are used in a matched mode according to a certain proportion, and the advantages of being excellent in anti-corrosion performance, good in mechanical performance, excellent in anti-aging performance, environmentally friendly and the like are achieved.

The invention discloses a waterborne epoxy coating for heavy corrosion prevention and a preparation method of the waterborne epoxy coating, and relates to the technical field of coatings. The waterborne epoxy resin, the waterborne epoxy curing agent, the titanium dioxide, the barium sulfate, the superfine talcum powder, the mica powder, the zinc phosphate, the aluminum tripolyphosphate, the superfine mica iron oxide, the glass flakes and the like are used as raw materials for preparing the epoxy coating. Meanwhile, the sheet structures of the superfine mica iron oxide and the glass flakes prolong the time for water and a corrosive medium to reach the surface of the base material, and sufficient dissociation time is given to phosphate. The anticorrosive paint disclosed by the invention has good flexibility and corrosion resistance.

The invention provides a special anti-corrosion and wear-resistant coating for a heat exchanger and a preparation method thereof, and relates to the technical field of coating processing, and the special anti-corrosion and wear-resistant coating comprises the following components in parts by mass: 10-20 parts of epoxy resin, 25-35 parts of polyurethane resin, 10-25 parts of zinc powder, 18-38 parts of zinc phosphate, 8-18 parts of silicon carbide, 15-37 parts of aluminum oxide and 10-22 parts of an auxiliary agent. The coating is prepared through the following preparation steps that firstly, the raw materials are pretreated; 2, mixing and dispersing the pretreated raw materials; 3, grinding and refining the anti-corrosion pigment and the wear-resistant filler in the film forming substance; and 4, adjusting the viscosity, namely adding a proper amount of curing agent into the ground coating, slowly and uniformly stirring, and finally adjusting the viscosity of the coating by using a diluent according to the construction requirements of the coating. The epoxy resin and the polyurethane resin are used as film forming substances, so that a firm coating can be well formed, good adhesive force and chemical resistance are further provided, and the adhesive force of the coating is favorably improved.

The invention relates to the technical field of protective coatings, and discloses a metal roof rust removal self-cleaning waterproof coating which comprises the following components in percentage by weight: 50%-60% of modified acrylic resin, 10%-15% of zinc-doped titanium dioxide nanoparticles, 6%-12% of hydrophobic silicon dioxide, 10%-16% of magnesium-aluminum layered double hydroxide and 2%-4% of zinc phosphate. The invention also discloses a preparation method of the metal roof derusting self-cleaning waterproof coating, which comprises the following steps: S1, the weighed modified acrylic resin is placed in a reaction kettle, and the solvent accounts for 30-50 wt% of the mass of the resin and is ethyl acetate or acetone. Through combination of zinc-doped titanium dioxide, magnesium-aluminum layered double hydroxides, zinc phosphate and hydrophobic silicon dioxide, multiple anti-corrosion, self-cleaning and super-hydrophobic waterproof functions are realized, and meanwhile, a silane coupling agent and a polyurethane prepolymer improve adhesive force and flexibility, so that the coating is durable in a severe environment.

The invention discloses an epoxy metal primer as well as a preparation method and application thereof, the epoxy metal primer is applied to a rust removal and rust prevention coating and coating system, the epoxy metal primer has remarkable salt fog resistance, adhesive force and weather resistance, a zinc phosphate and aluminum triphosphate composite rust prevention pigment, a modified epoxy emulsion and a high-density barium sulfate filler are adopted, the coating has excellent shielding performance, and the service life of the coating is prolonged. Corrosive media can be effectively blocked, and the salt spray resistance time is remarkably prolonged; meanwhile, the modified polysiloxane defoaming agent, the wetting leveling agent, the optimized curing agent and the optimized flash-rust inhibitor are adopted, so that the binding force between the coating and various metal substrates is enhanced, and the integrity of the coating is kept under the conditions of long-term mechanical shock, thermal cycle and damp heat. The coating is suitable for various construction conditions, simple and convenient to operate, compact and flat in coating film and capable of being widely applied to the fields of bridges, ships, petrochemical equipment and the like, the service life of a metal structure is remarkably prolonged, and maintenance and replacement cost is reduced.

The invention discloses high-oxidation-resistance flaky silver-coated copper particles and a preparation method thereof, and relates to the technical field of silver-coated copper powder. The process comprises the steps of flaky copper powder preparation, copper powder pretreatment, silver coating plating and post-treatment. The surface of the copper powder is pretreated, and active sites on the surface of the copper powder are reduced; secondly, a zinc phosphate plated film is formed, full coverage of a silver layer is achieved by adding nano-silver to assist in a silver ammonia solution, meanwhile, micropores of the silver layer are filled, and the compactness of the silver-coated copper powder is improved; besides, the silver content of the silver-coated copper powder is controlled to be 8.7-14.6%, and the normal-temperature oxidation resistance of the silver-coated copper powder is improved, so that the optimal anti-oxidation effect is achieved, and performance deterioration caused by oxidation is reduced.

The invention discloses a durable modified epoxy resin composite coating and a preparation method thereof. The durable modified epoxy resin composite coating comprises a component A and a component B, the component A comprises the following components in parts by mass: 100 parts of epoxy resin, 15 parts of mica, 20 parts of glass flakes, 10 parts of mica iron oxide, 5 parts of zinc phosphate, 3 parts of a penetrant and 10 parts of a solvent; the component B is prepared from the following components in parts by mass: 20 parts of doped polyaniline, 100 parts of N-methyl pyrrolidone and 30 parts of a modified amine curing agent. The prepared durable modified epoxy resin composite coating provides more durable surface protection for concrete structures of expressways and bridges, the salt freezing resistance and chloride ion corrosion resistance of the concrete structures subjected to modified epoxy resin surface treatment can be remarkably improved, and the durability of the concrete structures is enhanced.

The invention discloses a heavy anti-corrosion coating applied to the outer wall of a wind power generation tower drum and a preparation method of the heavy anti-corrosion coating, and belongs to the technical field of heavy anti-corrosion coatings. The paint comprises a primer, an intermediate paint and a finish paint in parts by weight, and the primer comprises the following components in parts by weight: 18-22 parts of bisphenol A epoxy resin, 60-70 parts of zinc powder, 4-8 parts of zinc phosphate, 3-6 parts of a reactive diluent, 3-6 parts of self-made modified montmorillonite, 0.3-0.5 part of fumed silica, 2-5 parts of titanium dioxide, 0.1-0.3 part of carbon black, 0.2-0.5 part of polyamide wax and 0.1-0.3 part of a defoaming agent; 8-12 parts of a modified phenolic aldehyde amine curing agent and 0.1-0.5 part of an accelerant. According to the heavy anti-corrosion coating disclosed by the invention, interlayer combination is promoted through modification of the filler, more efficient and more lasting protection is realized under the synergistic effect of multilayer and multi-mechanism barrier superposition, the damp-heat aging resistance and corrosion resistance of a paint film of the heavy anti-corrosion coating are improved, and longer protection on the outer wall of a power generation tower drum is realized.

The invention discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The invention discloses inorganic copolymer anticorrosive paint. The coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of silica sol, 8 to 15 parts of sodium hydroxide, 30 to 45 parts of metakaolin, 8 to 20 parts of quartz sand, 15 to 25 parts of water, 0.3 to 2 parts of sodium polyacrylate, 0.2 to 3 parts of polydimethylsiloxane emulsion, 5 to 12 parts of modified nano titanium dioxide, 6 to 10 parts of modified epoxy resin, 10 to 25 parts of hydroxyethyl methylacrylate, 5 to 10 parts of zinc phosphate, 3 to 8 parts of aluminum triphosphate and 2 to 6 parts of iron oxide red. The raw materials of the inorganic copolymer anticorrosive paint are scientifically proportioned, and the anticorrosive performance is enhanced through the modified nano titanium dioxide and the epoxy resin. Material uniformity is ensured through step-by-step feeding and ultrasonic dispersion in preparation, and stability is improved through vacuum defoaming and nitrogen protection. The components such as the silica sol and the zinc phosphate have a synergistic effect to form a compact coating, and the coating is high in corrosion resistance, good in constructability and suitable for various scenes.

The invention discloses an ultra-thick solvent-free epoxy coating for an offshore steel pipe pile as well as a preparation method and application of the ultra-thick solvent-free epoxy coating. The ultra-thick solvent-free epoxy coating is prepared from a component A and a component B, the component A comprises the following components in percentage by mass: 20-25% of epoxy resin, 20-25% of silicon branched modified epoxy resin, 2-5% of a reactive diluent, 10-20% of calcium carbonate, 10-20% of natural barium sulfate, 2-5% of graphene, 10-15% of glass flakes, 5-10% of silica powder, 5-10% of zinc phosphate, 0.8-2% of a thixotropic agent and 0.2-0.3% of a flatting agent; and the component B comprises 15-30% of a curing agent, 15-25% of talcum powder, 15-25% of natural barium sulfate, 10-15% of titanium dioxide, 5-10% of zinc phosphate and 0.2-0.3% of a leveling agent. According to the present invention, the adhesion, the salt resistance, the wear resistance and the aging resistance of the epoxy coating can be improved, and the epoxy coating can be used for the anti-corrosion coating of the offshore steel pipe pile close to or in contact with seawater.

The invention relates to the technical field of surface corrosion prevention, and discloses a high-strength corrosion-resistant steel bar surface epoxy coating and a preparation method thereof. The high-strength corrosion-resistant steel bar surface epoxy coating comprises the following components in parts by weight: 1-5 parts of modified polyaniline / TiO2 powder, 8-10 parts of aluminum triphosphate, 8-10 parts of zinc phosphate, 8-10 parts of talcum powder, 10-15 parts of barium sulfate, 100-200 parts of modified epoxy resin, 50-100 parts of a curing agent, 10-20 parts of an accelerant and 1-3 parts of a flatting agent. The modified polyaniline / TiO2 high-strength corrosion-resistant epoxy coating provided by the invention has the advantages of self-cleaning, scratch resistance, corrosion resistance, wear resistance and the like, and polyaniline has excellent host capability of capturing nano particles and can be co-doped with some active inorganic nano particles to effectively improve the solubility and corrosion resistance of the nano particles. And the modified epoxy resin has the characteristic of high temperature resistance, so that more comprehensive protection is further provided for the reinforcing steel bar. The method is low in cost and environment-friendly, and has good social and economic benefits.

The invention relates to a phosphorylated bacterial cellulose coating material, a preparation method and a water-based zinc battery negative electrode, bacterial cellulose is modified by ammonium dihydrogen phosphate and urea to obtain phosphorylated bacterial cellulose, the phosphorylated bacterial cellulose is added with water for dispersion and then dispensed on the surface of a zinc negative electrode, and after drying, the surface of the zinc negative electrode is modified with a phosphorylated bacterial cellulose coating. A layer of organic zinc phosphate can be generated at the junction of the coating and the zinc negative electrode to separate electrolyte from the zinc negative electrode, and meanwhile, phosphorylated fibers have stronger interaction with water molecules, so that the electrolyte can be locked. Therefore, the hydrogen evolution reaction on the surface of the zinc negative electrode and the generation of byproducts are effectively inhibited, the corrosion resistance of the water-based zinc ion battery is enhanced, and the shelf life of the battery is prolonged. Meanwhile, the deposition behavior of zinc ions can be effectively regulated and controlled by the fine network structure of the bacterial cellulose and phosphate groups on the fibers, so that the generation of zinc dendrites is inhibited, and the long cycle life of the water-based zinc ion battery is effectively prolonged.

The application relates to the technical field of paint, and particularly discloses a water-based insulating paint and a preparation method; the water-based insulating paint comprises components A and B, the mass ratio of the components A and B is (7-9):1, the component A comprises the following raw materials in parts by weight: deionized water 100-150 parts, bentonite 3-8 parts, fumed silica 3-8 parts, titanium white 40-80 parts, barium sulfate 90-110 parts, mica powder 40-60 parts, zinc phosphate 60-80 parts, feldspar powder 40-60 parts, epoxy emulsion 400-500 parts, base material wetting agent 3-5 parts and dispersant 30-80 parts; the component B comprises the following raw materials in parts by weight: curing agent 40-60 parts and solvent 40-60 parts; the dispersant comprises a sulfonate dispersant and a polycarboxylate dispersant; the application promotes the insulating performance of the paint through the synergistic effect of various components, reduces the agglomeration of particles in the paint system, and improves the dispersing performance of the paint.

The invention relates to the technical field of coating compositions, in particular to a rapid self-repairing antibacterial compression garbage truck metal plate coating and a preparation method thereof. The defects that an existing metal plate coating of the compression garbage truck is poor in durability and antibacterial property are overcome. The metal plate coating is obtained by preparing a bottom coating and a top coating and coating the surface of a metal plate with the bottom coating and the top coating, wherein the bottom coating is prepared from the following raw materials: modified novolac epoxy resin, a polyamide curing agent, modified carboxymethyl chitosan, zinc phosphate and nano silicon dioxide; the surface coating comprises the following components: styrene-acrylate emulsion, modified lignin, ethylene glycol butyl ether, improved self-repairing microcapsules and a polyacrylic acid dispersing agent; by adding the improved self-repairing microcapsules, the self-repairing performance of the coating is enhanced, so that the durability of the coating is enhanced; and by adding modified carboxymethyl chitosan, modified lignin and improved self-repairing microcapsules, the antibacterial property of the coating is also guaranteed.

The invention belongs to the field of dental implants, and particularly relates to a preparation method and device of a zirconium oxide implant surface osteogenesis-promoting and antibacterial zinc phosphate coating, and the preparation method of the zinc phosphate coating comprises the following steps: S4, mixing zinc oxide, phosphoric acid, nitric acid and deionized water, and adding an additive to prepare a phosphating solution; s5, putting the phosphating solution and the zirconium oxide implant into a reaction kettle, heating the reaction kettle in a baking oven at 150-230 DEG C for 3-12 hours, and taking out the zirconium oxide implant after natural cooling; and S6, carrying out ultrasonic cleaning for 1-5 minutes by adopting deionized water, and drying in a drying oven at 40-60 DEG C to finally obtain the zirconium oxide implant coated with the zinc phosphate coating. The zinc phosphate coating is prepared on the surface of the zirconium oxide dental implant by applying a hydrothermal method, and the zirconium oxide dental implant has good mechanical properties, cytocompatibility, osteogenesis performance and antibacterial performance by changing the formula of a phosphating solution and adjusting the temperature and time of a hydrothermal reaction, and has important significance for expanding clinical application of a zirconium oxide ceramic implant material in the field of oral cavities.

The invention relates to the technical field of coatings, and particularly discloses a water-based insulating coating and a preparation method thereof. The water-based insulating paint comprises a component A and a component B, and the mass ratio of the component A to the component B is (7-9): 1; the component A is prepared from the following raw materials in parts by weight: 100 to 150 parts of deionized water, 3 to 8 parts of bentonite, 3 to 8 parts of fumed silica, 40 to 80 parts of titanium dioxide, 90 to 110 parts of barium sulfate, 40 to 60 parts of mica powder, 60 to 80 parts of zinc phosphate, 40 to 60 parts of feldspar powder, 400 to 500 parts of epoxy emulsion, 3 to 5 parts of base material wetting agent and 30 to 80 parts of dispersing agent; the component B comprises the following raw materials in parts by weight: 40-60 parts of a curing agent and 40-60 parts of a solvent; the dispersing agent comprises a sulfonate type dispersing agent and a polycarboxylate type dispersing agent; through the synergistic effect of all the components, the coating has good insulating performance, meanwhile, the phenomenon that particles are agglomerated in a coating system is reduced, and the dispersing performance of the coating is improved.

The invention discloses an antiskid antibacterial ceramic tile and a preparation method thereof, and belongs to the technical field of ceramic materials. Through the unique design of the green body layer, the composite functional layer and the surface treatment layer, the anti-skid and antibacterial ceramic tile achieves good anti-skid and lasting antibacterial performance. The raw material formula of the green body layer, such as kaolin, silicon carbide micro powder and the like, is reasonably proportioned, so that the basic strength and stability of the ceramic tile are ensured. In the composite functional layer, zinc phosphate coated nano-zinc oxide and silver-loaded zeolite are key antibacterial materials, and the ceramic tile has an efficient and lasting antibacterial effect under the combined action of the zinc phosphate coated nano-zinc oxide and the silver-loaded zeolite. The surface treatment layer is formed by carrying out gradient concentration treatment on anti-skid liquid containing an organic metal framework material, the anti-skid antibacterial ceramic tile solves the problems that a traditional ceramic tile is insufficient in anti-skid performance and not lasting in antibacterial effect, can be widely applied to various public places and home decoration, and provides a safe and sanitary living and working environment for people.

The invention belongs to the technical field of coatings, and particularly relates to quick-drying zinc phosphate epoxy paint and a preparation method thereof. The quick-drying zinc phosphate epoxy paint comprises a component A and a component B. The component A is prepared from, by mass, 10-20 parts of epoxy resin, 4-10 parts of petroleum resin, 5-10 parts of a resin modifier, 0.5-1.5 parts of an anti-settling agent, 0.5-1 part of a dispersing agent, 0.5-1 part of a defoaming agent, 0.1-0.7 part of a silane coupling agent, 60-70 parts of pigment filler and 8-15 parts of an organic solvent. And the component B is a modified amine curing agent. According to the invention, the epoxy resin with strong corrosion resistance, wear resistance and impact resistance is matched with the resin modifier to improve the flexibility; petroleum resin is matched, so that the hardness of the paint is improved, and the drying speed of a paint film can be increased; and the anti-settling agent is added to improve the thixotropy of the paint so as to improve the sagging resistance and storage stability of the paint. A certain amount of zinc phosphate is added, so that the paint has good anti-rust performance and waterproof performance. And finally, matching with a self-made modified amine curing agent to finally obtain the quick-drying high-sagging anti-corrosion epoxy coating.

The invention discloses a super-smooth anticorrosive coating for an overhead transmission conductor and a preparation method and application thereof.The super-smooth anticorrosive coating for the overhead transmission conductor is prepared from, by mass, 25-50 parts of polyvinyl fluoride resin, 12-50 parts of epoxy resin, 5-10 parts of butyl acetate, 5-10 parts of graphite fluoride, 5-8 parts of molybdenum disulfide, 5-20 parts of superfine aluminum oxide and 6-25 parts of zinc powder. And 1-12.5 parts of zinc phosphate. Surface modification and dynamic coating are carried out on the super-smooth filler particles, so that a layer of chemical inert film is formed on the surface of the filler, and the friction force between the particles and between the particles and a matrix is reduced. Meanwhile, a multi-stage dispersion technology is adopted, low-speed stirring is firstly carried out for primary mixing, and then gradual speed increasing is combined with ultrasonic treatment, so that aggregates of the filler can be fully destroyed, and a stable dispersion state is formed. The treatment can form a highly uniform super-lubricity network structure, improve the interface bonding between the filler and the matrix resin, reduce micropores in the coating and reduce the friction coefficient of the coating, so that the coating shows super-lubricity. And through ultrasonic oscillation treatment, preservative particles reach the nanoscale, the surface area and chemical activity of the particles are increased, the particles and matrix resin form more stable combination, and the anticorrosive effect of the coating is effectively improved.

The invention relates to a high-waterproof corrosion-resistant fireproof coating and a preparation method thereof, and belongs to the technical field of fireproof paints.The high-waterproof corrosion-resistant fireproof coating is prepared from, by mass, 20-25 parts of waterborne epoxy resin, 10-15 parts of pure acrylic emulsion, 5-10 parts of polyurethane emulsion, 15-20 parts of organic silicon modified ammonium polyphosphate, 8-10 parts of dipentaerythritol and 6-8 parts of melamine. The coating is prepared from the following components in parts by weight: 3-5 parts of graphene oxide-polyacrylic acid-nano silicon dioxide compound, 8-12 parts of pigment filler, 4-6 parts of zinc phosphate, 4-6 parts of auxiliaries and 8-10 parts of water. Through optimization of the formula, the coating can form an expanded carbon layer at a high temperature, heat and oxygen are effectively isolated, and flame spreading is delayed or stopped, so that the fireproof coating has high fireproof performance, and the effects of high water resistance and corrosion resistance are achieved.

The invention provides a long-acting anticorrosive epoxy powder coating and a preparation method thereof. The coating comprises epoxy resin, polyester resin, thiadiazole corrosion inhibitor loaded cerium-doped hydrotalcite composite particles, silane modified mica iron oxide, zinc phosphate, barium sulfate and the like. The core innovation lies in that 2-amino-5-(4-hydroxyphenyl)-1, 3, 4-thiadiazole corrosion inhibitor molecules are designed and synthesized, the molecules are loaded between cerium-doped magnesium-aluminum hydrotalcite nano container layers through an anion exchange method, corrosion environment pH responsive gradient release is achieved, a coating constructs a passive shielding, active corrosion inhibition and interface anchoring triple protection mechanism in the coating, and the corrosion resistance of the coating is improved. The neutral salt spray test resistance exceeds 2000h, and the coating is suitable for long-acting corrosion protection of iron accessories and cable bridges.

The invention relates to the technical field of high polymer materials and protective coatings, and discloses a single-layer anti-ultraviolet heavy-duty powder coating as well as a preparation method and application thereof. The preparation method of the single-layer anti-ultraviolet heavy anti-corrosion powder coating comprises the following steps: adding carboxyl polyester resin, triglycidyl isocyanurate, modified nano silicon dioxide, modified chitosan, 2-(2H-benzotriazole-2-yl)-4, 6-di-tert-pentylphenol, bis (2, 2, 6, 6-tetramethyl-4-piperidinyl) sebacate, flaky aluminum powder, zinc phosphate, BYK-3920, 2-hydroxy-1, 2, 4-triazole-2-yl)-1, 3, 4-triazole-2-yl)-1, 3, 5-triazole-2-yl)-1, 3, 5-triazole-2-yl)-1, 3, 5-triazole-2-yl)-1, 3, 5-triazole-2-yl)-1, 3, 5- The preparation method comprises the following steps: stirring and mixing 2, 2-diphenylethanone and gamma-aminopropyltriethoxysilane at room temperature at 300-350rpm for 10-15min to obtain a mixture, extruding the mixture through a double-screw extruder at the extrusion temperature of 110-120 DEG C and the screw rotation speed of 450-500rpm, and grinding to obtain the single-layer anti-ultraviolet heavy-duty anticorrosive powder coating. The single-layer anti-ultraviolet heavy anti-corrosion powder coating can be applied to metal base material protection. The coating prepared by the invention has good ultraviolet resistance and corrosion resistance.

The invention discloses an explosion-proof coating as well as a preparation method and application thereof. The raw materials of the coating comprise a component A and a component B, and the mass ratio of the component A to the component B is (100: 100)-(100: 50); wherein the component A is prepared from the following components in parts by weight: 70 to 90 parts of epoxy resin, 3 to 8 parts of reactive diluent, 2 to 6 parts of silane coupling agent and 0.5 to 3 parts of fumed silica; and the component B comprises the following components in parts by weight: 30-60 parts of a nano reinforced curing agent, 5-30 parts of aluminum hydroxide, 8-15 parts of ammonium polyphosphate, 3-10 parts of expanded graphite, 3-8 parts of zinc phosphate, 3-12 parts of hollow glass beads, 3-15 parts of hexagonal boron nitride, 3-10 parts of silicon carbide whiskers, 2-5 parts of graphene dispersion liquid, 5-10 parts of a solvent, 0.2-1.5 parts of a dispersing agent and 0.1-1 part of a defoaming agent. The coating disclosed by the invention has the functions of toughening, flame retardance, heat conduction and non-combustible gas release, and can be applied to flame-retardant and explosion-proof products.