228 results about "Zinc phosphate" patented technology

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 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 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 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 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 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 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 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.

The invention provides a protective coating for a fuel storage and transportation cabin and a preparation method thereof, the protective coating comprises a primer layer, and the primer layer comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 20 to 40 parts of phosphorylated-sulfur heterocyclic modified epoxy resin, 0.1 to 1 part of dispersing agent, 0.1 to 1 part of flatting agent, 0.1 to 1 part of defoaming agent, 0 to 10 parts of n-butyl alcohol, 0 to 10 parts of xylene, 10 to 15 parts of zinc phosphate, 0.5 to 1.0 part of thixotropic agent, 10 to 15 parts of flaky filler, 20 to 35 parts of talcum powder, 5 to 10 parts of barite powder and 3 to 10 parts of titanium dioxide; the component B is prepared from the following raw materials in parts by weight: 99 to 100 parts of amino resin and 0.3 to 0.8 part of a catalyst. Phosphorylation-sulfur heterocycle is utilized to modify epoxy resin, a phosphating group (P-O-C) is generated, the lipophobicity is increased, an intrinsic anti-swelling network is constructed based on a sulfur / phosphorus atom covalent bonding epoxy skeleton, and by utilizing the three-dimensional shielding effect of phosphorus atoms and the high-density cross-linking characteristic of thioether bonds, the anti-swelling performance of the epoxy resin is improved. Fuel oil permeation channels are blocked from the molecular level, pollutant dissolution is inhibited, and it is ensured that the coating has good soaking resistance to fuel oil.

The application provides a zinc phosphide negative electrode material, which comprises a zinc sheet substrate and a zinc phosphate protective layer; the zinc phosphate protective layer is obtained in situ on the surface of the zinc sheet by immersing the zinc sheet in a phosphoric acid solution; the phosphoric acid solution comprises phosphoric acid, zinc oxide, sodium fluoride, zinc nitrate, sodium perchlorate, organic ammonium and ammonia water. The zinc phosphide negative electrode material has good reversible deposition / dissolution performance, excellent energy storage performance, high stability and can be stably cycled for a long time.

The invention provides a preparation method of an osteogenesis, sequential degradation and antibacterial strengthening and toughening zinc-based medical material, and belongs to the technical field of biomedical metal. The preparation method of the strengthened and toughened zinc-based medical material comprises the following steps: (1) performing chemical deposition treatment on pure zinc to obtain pure zinc with a zinc phosphate coating deposited on the surface; (2) the cylindrical device is placed in a mold, an iron wire is placed on the inner layer of the cylindrical device, and Zn-X alloy is filled to be flush with the iron wire; (3) the outer layer of the cylindrical device is filled with the pure zinc with the zinc phosphate coating deposited on the surface obtained in the step (1), the cylindrical device is drawn out, cold press molding is conducted, and a green body is obtained; and (4) pre-sintering the green body obtained in the step (3), and performing hot extrusion to obtain the strengthened and toughened zinc-based medical material. The strengthened and toughened zinc-based medical material has a time sequence degradation mode, and meanwhile has excellent tensile and compression performance and good antibacterial and corrosion-resistant performance.

The invention belongs to the field of anticorrosive paint production, and particularly relates to an anchor rod anticorrosive paint and a preparation method thereof. The coating is prepared from the following components in parts by weight: 35 to 45 parts of fluorocarbon modified epoxy resin, 15 to 25 parts of PVDF / acrylate copolymer, 5 to 10 parts of acrylic rubber with a core-shell structure, 8 to 12 parts of curing agent, 2 to 5 parts of 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 4 to 8 parts of zinc oxide, 3 to 6 parts of mica powder, 2 to 5 parts of talcum powder, 5 to 10 parts of zinc phosphate, 4 to 8 parts of aluminum triphosphate, 0.6 to 1.2 parts of dispersing agent, 0.15 to 0.5 part of defoaming agent and 0.3 to 0.8 part of flatting agent. By adding acrylic rubber with a core-shell structure, a good elastic network is formed in a coating, the flexibility and impact resistance of the coating are remarkably improved, fluorocarbon modified epoxy resin combines the weather resistance and chemical resistance of fluorocarbon resin and the high adhesive force and high hardness of epoxy resin, excellent adhesive force is provided, and meanwhile, the coating can be applied to the coating. Due to the high hardness characteristic, the coating has good wear resistance and scratch resistance, and the completeness of the coating can be kept in complex construction and use environments.

The invention discloses a long-acting anti-corrosion coating for a heavy corrosion working condition as well as a preparation method and application thereof, and belongs to the technical field of coating preparation. The invention relates to a long-acting anticorrosive paint for heavy corrosion working conditions. The paint is prepared from the following components in parts by weight: 25-39 parts of epoxy resin, 12-22 parts of fluorocarbon resin, 12-21 parts of zinc powder, 5-9 parts of zinc phosphate, 10-18 parts of talcum powder, 2-7 parts of nano silicon dioxide, 1-5 parts of an organic corrosion inhibitor, 0.8-2.3 parts of an adhesion promoter, 1-4 parts of a dispersing agent, 1-3 parts of a flatting agent, 1-3 parts of a defoaming agent and 12-24 parts of ethylene glycol butyl ether. The anticorrosive paint prepared from the substances has excellent long-acting anticorrosive properties such as high temperature resistance, acid and alkali resistance, oxidation resistance and the like, and is suitable for infrastructures in the fields of petroleum, chemical industry, steel manufacturing, port facilities, wind power generation, heavy mechanical equipment, military industry and aerospace.

The present invention provides a method for preparing an environmentally friendly coating using a modified polyaspartic acid ester resin and an isocyanate and its application, belonging to the field of coating technology. The environmentally friendly coating includes the following raw materials by mass fraction: component A: 22-27 parts of modified polyaspartic acid ester resin, 6-11 parts of polyaspartic acid ester resin, 13-18 parts of long-chain olefin-modified dicyclopentadiene resin, 2-5 parts of zinc phosphate, 1-3 parts of dispersant, 2-5 parts of adhesion promoter, and 12-18 parts of modified mixed filler; component B: 75-80 parts of toluene diisocyanate, 20-30 parts of HDI trimer, 3-5 parts of defoamer, and 2-3 parts of leveling agent. The environmentally friendly coating prepared by the present invention has excellent corrosion resistance, wear resistance, and bending resistance, and has good adhesion on PE T plastic surfaces.

This invention relates to the field of anti-corrosion coating technology, specifically to a water-based corrosion-inhibiting anti-corrosion coating and its preparation method. When zinc phosphate is used alone as a corrosion inhibitor in water-based anti-corrosion coatings, it tends to agglomerate and has poor compatibility with resins. The protective coating formed on the metal surface by these water-based anti-corrosion coatings exhibits poor and unstable corrosion resistance. To address these problems, this invention provides a water-based corrosion-inhibiting anti-corrosion coating composed of two components, A and B. Component A contains a self-made composite corrosion inhibitor, ZnP-PEG-IPTS-GO. This composite corrosion inhibitor, through the bridging of IPTS, chemically bonds GO, PEG, and zinc phosphate, achieving an organic combination of "physical shielding" and "active passivation," significantly improving the overall anti-corrosion performance of the coating.

The invention relates to a composite coating for protecting a liquid cooling plate of a new energy power battery and a preparation method of the composite coating. The invention relates to a modified graphene / Cu-ZIF-8 double-carrier composite photocatalyst, which is prepared from the following raw materials in parts by weight: 70 to 90 parts of modified MXene / graphene double-carrier, 5 to 12 parts of core-shell structure Cu-ZIF-8 double-carrier powder, 15 to 25 parts of alkali-soluble acrylic copolymer resin, 0.5 to 1.5 parts of KH-570, 0.2 to 0.8 part of fluorocarbon surfactant L30, 8 to 12 parts of zinc phosphate, 8 to 12 parts of mica powder, 12 to 18 parts of polyamide wax, 2 to 4 parts of K-7318 and 12 to 18 parts of kieselguhr. Wherein the Cu (at) ZIF-8 (at) double-carrier powder with the core-shell structure is of a core-shell structure formed by in-situ growth of Cu (at) ZIF-8 on an MXene / graphene interface. According to the invention, a comprehensive protective layer with super-hydrophobicity, corrosion resistance, antibacterial property and high adhesive force is provided for the liquid cooling plate, and the performance is excellent.

The invention discloses a production and preparation process of a heavy-duty water-based epoxy primer applicable to a high-salt and high-humidity environment, and relates to the technical field of production of water-based epoxy primers. Comprising the following raw materials in parts by mass: 30-50 parts of bisphenol A type water-borne epoxy resin emulsion, 10-20 parts of a curing agent T-31, 3.5-5 parts of a reinforced anti-settling agent, 8-12 parts of zinc phosphate, 5-8 parts of aluminum triphosphate, 10-15 parts of precipitated barium sulphate, 3-6 parts of silica powder, 0.8-1.2 parts of a sodium polyacrylate dispersing agent, 0.4-0.8 part of an organic silicon defoaming agent and 0.3-0.7 part of an acrylate flatting agent. And 0.6-1 part of a polyurethane thickening agent. The bentonite and the modified zirconium phosphate silicate powder in the reinforced anti-settling agent can improve the microstructure of the primer in a primer system, so that a coating is more compact and can be conveniently applied to a high-salt and high-humidity environment, and the salt spray resistance of the waterborne epoxy primer is enhanced.

The invention relates to the technical field of water-based paint, in particular to water-based industrial anti-rust paint for steel components and a preparation method of the water-based industrial anti-rust paint. The problems that existing water-based industrial anti-rust paint is insufficient in anti-rust performance and weak in mechanical performance are solved. According to the invention, a phosphate group and graphene are simultaneously bonded to an epoxy resin molecular chain to form synergy of chemical anchoring and physical shielding; an organic-inorganic interpenetrating network structure is formed by using a water-based polyamide curing agent modified by an organic silane coupling agent, so that the mechanical property of a coating film is remarkably improved; by introducing the self-crosslinking acrylate emulsion with a core-shell structure, the brittleness problem of a pure epoxy system is avoided, and a formed interpenetrating polymer network structure can further enhance the compactness of a coating film; the functional conductive polymer aqueous dispersion is added and forms active-passive electrochemical synergistic protection with the zinc-aluminum phosphate composite pigment; and the zinc-aluminum phosphate composite pigment and the glass powder are compounded, so that the anti-rust performance is improved.

The invention provides a method for enriching rare earth ore in low-grade apatite. The method comprises the steps of ore pretreatment, graded desliming, three-time graded flotation and four-time rare earth rough concentrate concentration. According to the method, efficient mineral dissociation is achieved by optimizing the pretreatment process, an environment-friendly zinc phosphate complex is adopted to replace lead nitrate to serve as a modification activating agent, the flotation selectivity and the recovery rate of the rare earth minerals are improved by combining the synergistic effect of a specific regulator and a collecting agent, and finally the rare earth minerals with the raw ore grade being 0.15%-0.50% are enriched to the grade being 11.65%-12.55%; and the recovery rate reaches 85% or above, meanwhile, the production cost is reduced, the lead pollution risk is eliminated, and green and efficient utilization of low-grade apatite associated rare earth resources is achieved.

The invention relates to the technical field of paint, and provides water-based dip-coating paint for a mine chain and a preparation method of the water-based dip-coating paint. The water-based dip-coating paint for the mine chain is prepared from the following components in parts by weight: 10 to 15 parts of epoxy ester resin, 0.5 to 1 part of neutralizer, 1 to 2 parts of diluent, 0.1 to 0.5 part of drier, 1 to 1.5 parts of dispersant, 0.3 to 1.3 parts of wetting agent, 0.2 to 0.6 part of defoaming agent, 2 to 8 parts of tinting pigment, 5 to 10 parts of antirust pigment, 10 to 20 parts of filler, 1 to 2 parts of rheological additive, 25 to 40 parts of emulsion, 2 to 5 parts of cosolvent, 0.2 to 1 part of flash rust inhibitor, 0.2 to 1 part of flatting agent, 1 to 3 parts of thickening agent and 16 to 20 parts of water. And the anti-rust pigment is zinc phosphate, aluminum zinc phosphate, ion exchange type anti-rust pigment and composite anti-rust pigment. According to the technical scheme, the problems of non-uniform paint hanging and poor corrosion resistance of a paint film in the prior art are solved.

This invention discloses a heavy metal-free water-based anti-rust primer, its preparation method, and its application, relating to the field of water-based metal anti-corrosion coatings. The primer comprises a modified acrylic copolymer emulsion, a modified zinc phosphate-aluminum tripolyphosphate composite pigment, a diatomaceous earth composite filler, and a lignin sulfonate-grafted polycarboxylic acid dispersant. The modified acrylic copolymer emulsion is prepared by copolymerizing four monomers and then modifying them with epoxy silane and amino silane. The modified zinc phosphate-aluminum tripolyphosphate composite pigment is prepared by rare earth lanthanum ion loading and synergistic modification with a dual coupling agent. The diatomaceous earth composite filler is prepared by high-temperature activation, composite with nano-silica, and silane modification. Through the synergistic effect of its components, this invention significantly improves the primer's adhesion, resistance to damp heat, high temperature, kitchen fumes, weak acid resistance in food, and resistance to alkaline media in the kitchen, making it suitable for corrosion protection of various metal components in kitchens and commercial kitchens.

The invention provides an insulation material for a long-service-life nuclear-radiation-resistant ship cable and a preparation method of the insulation material, and relates to the technical field of cable insulation materials. The insulating material comprises the following components in parts by weight: 100 parts of a base material, 3-10 parts of an antioxidant, 2-5 parts of a composite copper inhibitor, 2-10 parts of a light stabilizer, 1-2 parts of a lubricant and 1-5 parts of a crosslinking sensitizer, the composite anti-copper agent comprises anti-copper gel, and the anti-copper gel is formed by compounding ethylene diamine tetraacetic acid disodium salt, zinc phosphate and nano filler. The preparation method comprises the following steps: putting the base material, the antioxidant, the composite anti-copper agent, the light stabilizer, the lubricant and the crosslinking sensitizer into a stirrer, fully mixing, extruding, granulating, cooling with water, and blow-drying to prepare the insulating material for the long-life nuclear-radiation-resistant ship cable. The insulation material for the long-life nuclear-radiation-resistant ship cable can be applied to the ship cable, the service life is long and can reach 50 years or above, and the requirement for long-term operation of a ship is met.

The present disclosure addresses the problem of providing a concentrated liquid for preparing a surface conditioner, the concentrated liquid having excellent dispersion stability. One embodiment for solving the above-described problem is a concentrated liquid for preparing a surface conditioner, the concentrated liquid containing zinc phosphate particles and a dispersion stabilizer, wherein: the zinc phosphate particles have a D50 of 3 µm or less; the content of the zinc phosphate particles with respect to the total mass of the concentrated liquid is 3 mass% to 60 mass% inclusive; the dispersion stabilizer contains a layered clay mineral and a sulfur-containing compound; the content of the layered clay mineral with respect to the total mass of the concentrated liquid is 0.1 mass% to 20 mass% inclusive; and the layered clay mineral is natural hectorite and / or synthetic hectorite.

Provided are conversion coating systems and methods, and compositions used therein, as well as conversion-coated multi-metal articles wherein the systems and methods enable conversion coating of differentially constituted surfaces of multi-metal articles (such as those that include surfaces that are steel or galvanized steel, as well as aluminum-containing surfaces) producing uniform, contiguous conversion coatings, without the use of added heavy metals, preferably without phosphorus, and under reduced operating temperatures, which show excellent corrosion resistance and paint adhesion on such surfaces, as compared with conventional commercial pre-treatment comprising tri-cationic zinc phosphate.

The invention belongs to the technical field of coatings, and provides a self-repairing, self-cleaning and weather-resistant iron base plate primer-topcoat integrated coating and a preparation method thereof, and the self-repairing, self-cleaning and weather-resistant iron base plate primer-topcoat integrated coating is prepared by mixing a component A and a component B according to an isocyanate index of 1-1.1, wherein the component A is prepared from the following components in parts by mass: 26 to 31 parts of polyaspartic acid ester PAE-1, 26 to 29 parts of polyaspartic acid ester PAE-2, 4 to 8 parts of polyaspartic acid ester PAE-3, 3 to 5 parts of mica powder, 1 to 3 parts of wetting dispersant, 0.5 to 1 part of defoaming agent, 0.3 to 0.6 part of flatting agent, 0 to 3 parts of color paste, 2 to 4 parts of anti-precipitation aid, 5 to 8 parts of ultraviolet light absorber, 13.2 to 24.9 parts of zinc phosphate and 1 to 4 parts of barium sulfate; the component B is prepared from 7 to 12 parts of isocyanate prepolymer A, 16 to 22 parts of isocyanate prepolymer B, 65 to 75 parts of hexamethylene diisocyanate tripolymer and 2 to 4 parts of butyl acetate. According to the technical scheme, the problem that in the prior art, a polyaspartic acid ester polyurea coating is insufficient in salt mist resistance and weather resistance is solved.

The invention provides a steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint as well as a preparation method, application and a construction method thereof, and belongs to the field of building materials. Reflection and radiation materials and phase-change materials such as nanometer aluminum oxide, nanometer silicon-based oxide, nanometer yttrium oxide, glass microspheres and nanometer vanadium dioxide are added into the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint disclosed by the invention; the hemispherical emissivity, the medium-brightness sunlight reflectance, the near-infrared light reflectance and the phase-change intelligent temperature-adjusting function of the phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint on the steel surface are synergistically enhanced; by adding the derusting agent, the anti-flash-rust agent, the multifunctional anti-rust powder, the zinc phosphate, the aluminum triphosphate and the mica powder, the anti-corrosion and anti-rust effects of the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint are improved. Results of the embodiment show that the steel surface phase-change intelligent temperature-adjusting water-based anti-corrosion and anti-rust paint is excellent in anti-corrosion and anti-rust effects.