4206results about "Fireproof paints" patented technology

The invention discloses an environment-friendly organic silicon intumescent fireproof coating for a transformer substation or a converter station as well as a preparation method and application of the environment-friendly organic silicon intumescent fireproof coating. The coating comprises the following raw materials in parts by mass: 30-60 parts of organic silicon resin, 30-45 parts of an intumescent flame retardant, 5-10 parts of modified glass powder, 2-20 parts of an inorganic filler, 2-10 parts of an auxiliary agent and 5-25 parts of a curing agent. The intumescent flame retardant takes a phosphazene compound as a gas source and an acid source; the phosphazene compound is prepared by carrying out nucleophilic substitution reaction on phosphonitrilic chloride trimer and melamine or dicyandiamide; the modified glass powder is prepared by mixing a plurality of glass powder with the melting point of 350-700 DEG C and then modifying by adopting a silane coupling agent. According to the invention, the high-temperature resistance of the organic silicon resin coating is improved through formula design, so that the service life of the steel in a high-temperature scene is prolonged, the performance reliability of fire-fighting equipment of a transformer substation or a converter station is improved, and the purpose of high-temperature resistance is achieved.

The preparation method comprises the following steps: adding a hydroxyl derivative of bis-spiro pentaerythritol diphosphate and hydroxyl-terminated polysiloxane into a three-neck flask which is provided with a mechanical stirrer and a thermometer together, uniformly stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, stirring, adding an organic silicon catalyst, and stirring to obtain the UV-cured polyurethane with the synergistic flame retardance of the bis-spiro phosphate and the organic silicon, thereby obtaining the UV-cured polyurethane with the synergistic flame retardance. Dibutyltin dilaurate and diisocyanate are dropwise added for a reaction, then hydroxypropyl methacrylate is added, the reaction continues to be conducted, and a polyurethane prepolymer containing bis-spiro phosphate and organic silicon is obtained; and then adding an ultraviolet light initiator, and carrying out UV curing to obtain the UV-cured polyurethane. The pencil hardness of the UV curing material is 2B-9H, the initial thermal decomposition temperature is 246.0-298.2 DEG C, the LOI is 26.0-33.2%, the flame retardant grade is V-1-V-0 grade, and the UV curing material can be used as an electronic flame retardant sealant, a flame retardant three-proofing paint, a flame retardant industrial paint, a flame retardant tent cloth coating and the like.

The invention provides an anti-corrosion Teflon coating as well as a preparation method and application thereof, and belongs to the technical field of coatings. The preparation method comprises the following steps: irradiating polytetrafluoroethylene micro-powder, performing graft modification on the irradiated polytetrafluoroethylene micro-powder and glycidyl methacrylate, reacting with phosphorus oxychloride and polydopamine modified graphene, adding into a Teflon primer, and uniformly stirring and mixing to obtain the anti-corrosion Teflon coating. The anti-corrosion Teflon coating prepared by the invention has good high-temperature resistance, corrosion resistance, rust resistance, mechanical properties, wear resistance, scratch resistance, medium resistance and the like, can effectively resist high-wear-resistance environments such as sliding friction, impact friction and cavitation friction and high-corrosion environments such as acid media and alkaline media, and has a wide application prospect.

The invention relates to the technical field of preparation of a ceramic silica gel composite belt for a power battery of a new energy automobile, in particular to a super-high-temperature-resistant and impact-resistant ceramic silica gel composite belt for an automobile and a preparation method of the super-high-temperature-resistant and impact-resistant ceramic silica gel composite belt. The phase change toughening effect of the core-shell structure filler is generally utilized to generate pressure stress, inhibit crack propagation and improve fracture toughness through volume change during phase change, meanwhile, the core-shell structure filler is subjected to thermal expansion coefficient gradient structure design, interface stress in the core-shell structure filler at high temperature is relieved, thermal stress concentration is avoided, thermal shock resistance is improved, and the service life of the core-shell structure filler is prolonged. And the ceramic layer is prevented from cracking, so that the ceramic layer has good high-temperature resistance and flame retardance, flame spreading can be effectively prevented, and thermal runaway of the power battery is prevented.

The invention relates to the technical field of coatings, in particular to a mesoporous thermal insulation coating with an infrared heat shielding function and a preparation method thereof.The preparation method comprises the steps that polyurethane-organic silicon emulsion is selected as a base material of the coating, chain extension is conducted on polyurethane prepolymer through a hydroxyl-terminated ternary flame-retardant chain extender, and high-flame-retardant and self-repairing polyurethane-organic silicon emulsion is prepared; hollow silicon dioxide microspheres are selected as a mesoporous material, and the mesoporous material is prepared by a two-step method of performing hydrolytic condensation on phenyltrimethoxysilane and then calcining to remove impurities. The preparation method comprises the following steps: modifying hollow silicon dioxide microspheres to prepare composite hollow silicon dioxide microspheres as a filler, growing cesium-doped tungsten bronze nanoparticles on the surfaces of the hollow silicon dioxide microspheres in situ by adopting a solvothermal method to obtain pretreated hollow silicon dioxide microspheres, and treating the pretreated hollow silicon dioxide microspheres with an epoxy silane coupling agent to obtain epoxidized hollow silicon dioxide. And then grafting a hydroxyl-terminated ternary flame-retardant chain extender by utilizing an epoxy-hydroxyl reaction.

The invention discloses a heat insulation aluminum profile and a preparation method thereof, and belongs to the technical field of aluminum profile preparation. The heat insulation coating is electrostatically sprayed on the surface of the aluminum profile, the coating takes epoxy resin as a matrix, the aluminum profile is separated from the external environment, and the corrosion resistance and the heat insulation performance of the aluminum profile are improved; compared with common nano ATO, the prepared modified nano ATO has better compatibility with an epoxy resin matrix, the agglomeration phenomenon is obviously reduced, and the heat insulation performance of the coating can be greatly enhanced; the prepared modifier can significantly enhance the flame retardance and heat resistance of the coating, can promote curing of epoxy resin, is grafted on nano ATO, and is stable in performance and not prone to falling off; therefore, the prepared aluminum profile is excellent in heat insulation property and corrosion resistance, the coating sprayed on the surface of the aluminum profile has stable and efficient flame retardance and heat resistance, and the aluminum profile has important application value in the technical field of aluminum profile preparation.

The invention discloses a porcelainized expansion type fireproof heat-insulating coating and a preparation method thereof, and relates to the technical field of fire prevention, and the fireproof heat-insulating coating comprises an inner coating and an outer coating; the preparation method comprises the following steps: S1, weighing the raw materials of the component A and the component B; s2, preparing the component A; s3, preparing a component B; s4, the surface of the steel structure is coated with the component A, and an inner coating of the fireproof heat-insulating coating is obtained after normal-temperature drying; and continuously coating the surface of the dried inner coating with the component B through a spraying or brushing method, and drying at normal temperature to obtain the ceramifiable expansive fireproof heat-insulating coating. A porcelainized reaction and an intumescent flame-retardant system are combined to protect the steel structure material from two aspects of efficient flame retardance and high-temperature heat insulation, and the effect is excellent; a nitrogen-phosphorus synergistic flame retardant is used for actively inhibiting the flame combustion process, a high-temperature expansion layer formed by expansible graphite and a vitrifiable heat insulation layer formed by ceramic forming filler are used for greatly improving the high-temperature stability and heat insulation efficiency of a carbon layer, and the fire endurance of a steel structure is prolonged.

The invention discloses a flame-retardant corrosion-resistant coating and a preparation method thereof, and relates to the technical field of coatings. When the flame-retardant and corrosion-resistant coating is prepared, hexaaryl biimidazole and epoxy chloropropane are subjected to a reaction, and epoxidized hexaaryl biimidazole is prepared; the pre-modified mica sheet and 3-aminopropyltriethoxysilane are subjected to a reaction, and a modified mica sheet is prepared; the preparation method comprises the following steps: reacting allyl amine with 4 '-[4-(bromomethyl) phenyl]-2, 2': 6 ', 2' '-terpyridyl to obtain allyl terpyridyl; the preparation method comprises the following steps: reacting epoxy resin with allyl terpyridyl to obtain modified epoxy resin; and uniformly mixing the modified epoxy resin, epoxidized hexaaryl biimidazole, the modified mica sheet, isophorone diamine and acetone to prepare the flame-retardant corrosion-resistant coating. The flame-retardant corrosion-resistant coating prepared by the invention has excellent corrosion resistance, flame retardance and self-repairing performance.

The invention relates to the technical field of coatings, and discloses a modified hexagonal boron nitride and organic silicon double-component doped high-flame-retardant epoxy resin powder coating as well as a preparation method and application thereof. Comprising the following raw materials in parts by weight: 25-50 parts of modified hexagonal boron nitride, 90-110 parts of organic silicon resin, 120-150 parts of epoxy resin, 5-8 parts of dicyandiamide, 100-120 parts of silica powder, 8-12 parts of other auxiliaries and 80-100 parts of filler. The flame-retardant epoxy resin powder coating is prepared by uniformly mixing the components, melting, extruding a sheet material, grinding and sieving. The flame-retardant and fireproof performance of the epoxy resin powder coating is greatly improved in a modified hexagonal boron nitride and organic silicon double-component doping mode.

The invention provides an anti-aging flame-retardant epoxy resin coating and a preparation process thereof, and belongs to the technical field of coating preparation. The preparation process comprises the following steps: preparing the flame-retardant additive; preparing a coated modified black phosphorus nanosheet; preparing modified hollow glass beads; preparing the epoxy resin coating. The preparation method comprises the following steps: dissolving 3, 4-dihydroxy benzaldehyde and 2-amino-4-methylphenol in absolute ethyl alcohol, carrying out a heating reflux reaction, carrying out dehydration condensation on an aldehyde group in the 3, 4-dihydroxy benzaldehyde and an amino group in the 2-amino-4-methylphenol to generate an imine bond-containing intermediate, respectively dissolving the intermediate and phosphonitrilic chloride trimer, and carrying out a reaction to obtain the phosphonitrilic chloride trimer. The preparation method comprises the following steps: firstly, adding phosphonitrilic chloride into an intermediate, then mixing for reaction, enabling phenolic hydroxyl groups in the intermediate and phosphonitrilic chloride trimer to be subjected to nucleophilic substitution reaction to generate the flame-retardant additive containing phosphorus and a Schiff base structure, and the flame-retardant additive has relatively good compatibility with an epoxy resin matrix, is not easy to separate out and can effectively improve the flame-retardant property of the epoxy resin coating.

The invention relates to the technical field of polyurethane coatings, in particular to a hydrophobic flame-retardant polyurethane coating and a preparation method thereof. The preparation method comprises the following steps: firstly, taking 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and methallyl alcohol as raw materials, and reacting to obtain hydroxyl grafted phosphaphenanthrene; taking 1, 1, 3, 3-tetramethyldisiloxane and methallyl alcohol as raw materials, and reacting according to a molar ratio of 1: 2 to obtain dihydroxy siloxane; then cyanuric chloride, hydroxyl grafted phosphaphenanthrene and dihydroxyl siloxane react according to the molar ratio of 1: 1: (1.5-1.8), and the dihydroxyl-terminated silicon-containing flame retardant is obtained. The preparation method comprises the following steps: mixing a dihydroxyl-terminated silicon-containing flame retardant with polytetrahydrofuran ether glycol to serve as a soft segment, and reacting with isocyanate to obtain a hydrophobic flame-retardant polyurethane emulsion; mixing the hydrophobic flame-retardant polyurethane emulsion, an anti-aging agent, an ultraviolet light absorber, a defoaming agent, kaolin, nano silicon dioxide and talcum powder to obtain the hydrophobic flame-retardant polyurethane coating.

The invention relates to the technical field of flame retardance, and discloses a flame-retardant coating and a preparation method thereof.The flame-retardant coating is obtained by adding phenolic resin, polycarbonate, phosphorus-containing modified phenolic resin, boric acid-containing benzoxazine, an organic silicon resin defoaming agent, a propylene glycol film-forming agent and water into a stirrer and stirring. The flame-retardant coating contains a large amount of anacardol, long chains in the anacardol can also be crosslinked to form a net-shaped structure, a net-shaped carbon skeleton structure is formed under high-temperature carbonization, degradation products are inhibited during combustion, and the flame-retardant coating has good fire resistance; wherein oxazolidinone generated by reaction of an epoxy group of epoxidized phenolic resin and an isocyanate group of hexamethylene diisocyanate is a heterocyclic ring with very high heat resistance and also plays a role in synergistic fire resistance; the flame-retardant coating contains a large amount of phosphorus elements, sulfur elements and nitrogen elements, has a good flame-retardant effect, and achieves a synergistic flame-retardant effect.

The invention relates to the field of coatings, and discloses an outer wall light radiation heat preservation and heat insulation decorative sheet and a preparation method thereof.A radiation refrigeration layer on the surface of the outer wall light radiation heat preservation and heat insulation decorative sheet comprises modified acrylate resin, silicon dioxide, ground calcium carbonate, talcum powder, modified hollow glass beads and auxiliaries; the modified acrylate resin is prepared by copolymerizing perfluorooctyl ethyl acrylate, methyl methacrylate, modified isocyano ethyl methacrylate and vinyltriethoxysilane, and the modified isocyano ethyl methacrylate is prepared by using salicylaldehyde and benzothiazole-2-formaldehyde as well as 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate as an initiator and using 2, 3, 4-trimethyl-1, 3-pentanediol monoisobutyrate as an initiator. The preparation method comprises the following steps: reacting amino groups at two ends of 1, 5-naphthylenediamine with DOPO, carrying out nucleophilic addition reaction with DOPO, and grafting with isocyano ethyl methacrylate. The modified hollow glass beads are prepared by using tetrabutyl titanate as a titanium source through a sol-gel method, and the prepared radiation refrigeration layer has the super-amphiphobic self-cleaning effect, the radiation refrigeration effect is good, and meanwhile the flame retardant property and the antibacterial effect are excellent.

The invention provides a flame-retardant antibacterial coating for aluminum products and a preparation method of the flame-retardant antibacterial coating, and belongs to the technical field of coatings. The preparation method comprises the following steps: activating 3-[3-carboxyl allylamido] propyltriethoxysilane coated magnesium powder through EDC and NHS, mixing the magnesium powder with 1-aminopropyl imidazole hexafluorophosphate modified graphene oxide and nickel-doped UiO-66-NH2 for reaction, adding the mixture into epoxy resin, stirring for reaction, adding dimethyl sulfate for reaction, adding a dispersing agent, a flatting agent and a solvent, uniformly mixing, and drying to obtain the graphene-modified nickel-doped graphene composite material. The flame-retardant antibacterial coating for the aluminum product is prepared. The flame-retardant antibacterial coating for the aluminum product, prepared by the preparation method disclosed by the invention, has relatively good mechanical property, flame retardance and antibacterial property, also has a relatively good anti-corrosion effect, is more uniform and compact after being cured, has relatively good performance and has a wide application prospect.

The invention discloses corona-resistant insulating paint for enameled wires and a preparation method of the corona-resistant insulating paint, and belongs to the technical field of insulating paint preparation, and the corona-resistant insulating paint specifically comprises the following raw materials in parts by weight: 70-80 parts of hybrid polyimide, 10-15 parts of composite nanoparticles, 30-36 parts of a composite solvent and 6-8 parts of an auxiliary additive, a chain extender with a siloxane chain segment as a chain segment structure is prepared through telomerization, after chain extension is conducted on a polyamide acid chain segment containing a large number of fluorine groups and chain segment direct nanometer titanium dioxide particles, hot pressing amidation is conducted to obtain hybrid polyimide, silicon-aluminum-boron composite nanometer particles are prepared, the surface of each silicon-aluminum-boron composite nanometer particle is modified with a perfluoro group and double bonds, and the high-temperature-resistant performance of the silicon-aluminum-boron composite nanometer particles is achieved. Cross-linking the composite nanoparticles and the hybrid polyimide through free radical reaction, and mixing with auxiliary materials to finally prepare the corona-resistant insulating paint.

The invention provides a polysilazane green special refractory ceramic coating and a preparation method thereof, and belongs to the field of ceramic coatings. The ternary core material composed of titanium carbide, zirconium boride and silicon nitride provides high hardness, oxidation resistance, thermal shock resistance and excellent thermal stability; the silicon dioxide-aluminum oxide composite shell layer remarkably improves the oxidation resistance and reliability of the coating through the synergistic oxidation resistance and crack self-repairing function; the multi-metal oxygen cluster network endows the coating with excellent electrical conductivity, thermal conductivity and corrosion resistance; the intercalated montmorillonite enhances the crack resistance and oxidation resistance through a layered structure and embedded active ions; and the boron nitride coated vanadium carbide particles provide lubricity, oxidation resistance and wear resistance. Through collaborative optimization of multiple components, the comprehensive performance of the coating is comprehensively improved in the aspects of oxidation resistance, thermal conductivity, interface stability, high-temperature performance, mechanical performance and the like, so that the coating shows excellent long-term stability and functionality in an extreme environment.

The invention discloses a multi-element synergistic flame-retardant modified coating and a preparation method thereof, and is characterized in that the multi-element synergistic flame-retardant modified coating comprises the following components in parts by weight: 80-100 parts of water-borne epoxy resin, 10-20 parts of a multi-element composite flame retardant, 40-50 parts of a curing agent and 10-15 parts of deionized water; the multi-component composite flame retardant is formed by compounding organic flame-retardant modified Al (OH) 3, organic flame-retardant modified Mg (OH) 2 and organic flame-retardant modified zinc borate. The preparation method comprises the following steps: mixing the water-borne epoxy resin, the multi-component composite flame retardant and the deionized water to obtain a prefabricated coating; and mixing the prefabricated coating with a curing agent to obtain the multi-element synergistic flame-retardant modified coating. The flame-retardant coating disclosed by the invention has excellent flame-retardant property.

The invention belongs to the technical field of protective coatings, and discloses an anti-corrosion, wear-resistant and high-temperature-resistant coating as well as a preparation method and application thereof. The coating comprises a primer, a middle transition layer and a finish; the raw materials of the primer comprise a primer material and a primer curing agent component; the primer material comprises modified epoxy phenolic resin, a primer functional filler, a first mixed solvent, a high-temperature-resistant coupling agent and an anti-settling agent; the raw materials of the middle transition layer comprise a middle transition layer material and a middle curing agent component; the materials of the middle transition layer comprise polyimide modified epoxy resin, a wear-resistant filler, a reactive diluent, a carbon nanotube, a first dispersant and a compatilizer; the raw materials of the finishing paint comprise a finishing paint material and a finishing paint curing agent component; the finishing paint material comprises organic silicon modified fluorocarbon resin, finishing paint functional filler, a second mixed solvent, a second dispersing agent and a flatting agent. According to the invention, a resin-based composite coating system is synergistically designed through multi-phase materials, so that optimal balance of corrosion resistance, wear resistance, toughness and high temperature resistance of the coating is realized.

The invention discloses a food-grade high-temperature-resistant coating and a preparation method thereof. The high-temperature-resistant coating is prepared from 60-75% of matrix resin, 18-28% of surface hydrophobic modified nano functional filler and 10-20% of auxiliaries, and the nano functional filler is prepared from 10-15% of nano silicon dioxide, 5-8% of nano aluminum oxide and 3-5% of nano titanium dioxide. According to the food-grade high-temperature-resistant coating and the preparation method thereof, surface hydrophobic modification is carried out on nano particles through a silane coupling agent, the compatibility and dispersion stability of the nano particles in a resin matrix are remarkably improved, coating defects caused by agglomeration at high temperature are avoided, a hydrophobic barrier is formed by the modified nano filler, the moisture permeability is reduced, and the high-temperature-resistant performance of the food-grade high-temperature-resistant coating is improved. And the damp-heat aging resistance of the coating is enhanced.

The invention belongs to the technical field of high-temperature-resistant coatings, and particularly relates to a core-shell polyimide-based high-temperature-resistant water-based coating and a preparation method thereof. Comprising the following components in percentage by mass: 35-38% of a core-shell emulsion; the core layer is polyimide resin; the transition layer is an organic silicon emulsion modified by 5, 6-dimethyl benzimidazole and a silane coupling agent KH-550; the shell layer is made of polyamide-imide resin; 28%-32% of a modified high-temperature filler; 6%-7.5% of a functional auxiliary agent; and the balance of deionized water. Through core-shell emulsion gradient design, multi-scale filler cooperation and a low-temperature gradient curing process, the high temperature resistance, the adhesive force and the environmental protection property of the coating are improved.

The invention discloses an anti-pollution flashover coating with arc durability, which comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane, 10-25 parts of dimethyl silicone oil, 5-15 parts of a phosphorus flame retardant, 8-20 parts of white carbon black, 5-15 parts of modified mica powder, 15-30 parts of modified calcium carbonate, 10-20 parts of modified glass powder, 5-12 parts of aluminum hydroxide, 5-10 parts of 1, 3-butanediol, 5-10 parts of a flame retardant, 1-5 parts of an anti-aging agent, 1-5 parts of an anti-aging agent, and 1-5 parts of an anti-aging agent. The invention discloses a high-temperature-resistant coating which is prepared from the following components in parts by weight: 0.5-2 parts of 1, 2-bis (trimethoxysilyl) ethane, 5-10 parts of potassium titanate whiskers, 2-6 parts of color paste, 50-150 parts of a solvent, 3-10 parts of a cross-linking agent, 2-6 parts of a silane coupling agent and 1-5 parts of a catalyst. The invention also provides a preparation method of the anti-pollution flashover coating with arc durability. By introducing the modified mica powder, the modified glass powder and the modified calcium carbonate with specific particle sizes and reasonable gradation, the proportion of the filler in the base rubber is ensured, so that the modified mica powder, the modified glass powder and the modified calcium carbonate form a compact and firm ceramic high-temperature-resistant and arc-resistant layer after encountering high temperature of an arc; and the purpose of improving the arc durability is achieved.

The invention relates to the field of aluminum alloy plates, and discloses a high-strength corrosion-resistant marine aluminum alloy plate and a processing technology thereof.The aluminum alloy plate comprises an aluminum alloy base material and a corrosion-resistant coating, and the aluminum alloy base material is prepared from, by weight, 0.4%-0.8% of Si, 0.5%-0.7% of Fe, 0.15%-0.4% of Cu, 0.1%-0.15% of Mn, 0.8%-1.2% of Mg, 0.04%-0.35% of Cr, 0.1%-0.25% of Zn, 0.05%-0.15% of Ti and the balance Al and inevitable impurities; the anticorrosive coating comprises the following raw materials in parts by weight: 40-65 parts of epoxy resin, 5-15 parts of a composite nano material, 3-7 parts of a modified curing agent, 1-5 parts of a curing agent, 1-3 parts of a wetting agent, 0.5-1 part of a defoaming agent, 0.1-1 part of a flatting agent and 0.1-0.5 part of a dispersing agent; the surface of the prepared aluminum alloy base material is coated with the anti-corrosion coating, the plate is subjected to subzero treatment after casting forming, and the composite nano material and the modified curing agent are added, so that the plate is endowed with excellent impact strength, corrosion resistance and flame retardance.

The invention relates to the technical field of special coating materials, in particular to a high-temperature-resistant heavy-duty anticorrosive fluorosilicone polymer coating as well as a preparation method and application thereof. The high-temperature-resistant heavy-duty anticorrosive fluorosilicone polymer coating is prepared from the following components in parts by mass: 80-100 parts of fluorosilicone resin, 10-15 parts of a nano anticorrosive material, 5-15 parts of wear-resistant powder, 5-10 parts of an anti-rust pigment, 1-2 parts of a siloxane dispersant, 1-2 parts of a polysiloxane defoaming agent, 1-2 parts of an organic silicon leveling agent, 1-3 parts of a polyamide wax anti-settling aid and 25-35 parts of an amino curing agent. 2 to 5 parts of an amino silane coupling agent; and the fluorosilicone resin has the molecular weight of 8000-12000 and contains silicon oxygen bonds. The high-temperature-resistant heavy-duty anti-corrosion fluorosilicone polymer coating prepared by the invention improves the adhesive force to a substrate, can be cured at normal temperature, and has excellent high-temperature anti-corrosion performance.

The invention discloses a modified organic silicon resin, a high-temperature-resistant coating and a preparation method thereof, the modified organic silicon resin is prepared by hydrolyzing at least two different siloxane monomers and then carrying out condensation reaction on the hydrolyzed siloxane monomers and at least one boric acid monomer, and the main chain of the organic silicon resin is of a heteroatom doped structure formed by a Si-O bond, a B-O bond and a B-O-Si bond; at 200-250 DEG C, the modified organic-inorganic high-temperature-resistant composite material is subjected to a self-crosslinking reaction. The high-temperature-resistant coating overcomes the defect that the high-temperature-resistant coating in the prior art cannot meet the high-temperature test, and avoids the defects that organic and inorganic high-temperature-resistant coatings crack, the impact resistance and hardness are not matched, the water resistance is poor, and the wear resistance is poor.

The invention relates to the technical field of surface coating materials, in particular to a multifunctional surface coating which comprises the following raw materials: organic silicon modified acrylic resin, an intumescent flame retardant, hollow glass beads, nano titanium dioxide, an auxiliary agent, graphene, silver nanoparticles and flaky zinc powder. The intumescent flame retardant is formed by compounding melamine polyphosphate and pentaerythritol, and the auxiliary agent comprises a dispersing agent, a flatting agent and a plasticizer. By integrating multiple functions of fire prevention, water prevention, heat insulation, self-cleaning and the like into a whole, the complex requirements of different fields of buildings, industry, traffic and the like on material performance can be comprehensively met. In the application of building exterior walls, the fireproof safety, the waterproof sealing performance and the heat insulation performance of buildings can be effectively improved, and energy consumption is reduced; in the aspect of industrial equipment protection, equipment can be protected from being damaged by environmental factors such as high temperature, moisture and corrosion, and the service life of the equipment is prolonged.

The invention relates to the technical field of coatings, and discloses a preparation method of a water-based acrylic acid anticorrosive coating, which comprises the following steps: taking PEPA and phosphorus pentoxide as raw materials to obtain double-PEPA-based phosphate; the preparation method comprises the following steps: by taking 3-hydroxyglutaric acid, aminopropyltriethoxysilane, hexamethylene diisocyanate, graphene oxide and the like as raw materials, preparing disilane modified graphene oxide; adding the disilane modified graphene oxide, the double PEPA-based phosphate and the like into the water-based acrylic emulsion, uniformly stirring and mixing, grinding and filtering to obtain the water-based acrylic anticorrosive coating. Phosphorus hydroxyl, silicon hydroxyl and graphene in the coating are used for synergistically assisting in improving the adhesive force and corrosion resistance of the coating, and flame retardant elements are used for improving the flame retardant property of the coating. The water-based acrylic acid anticorrosive paint prepared by the invention has excellent corrosion resistance, flame retardance and adhesive force.

The invention relates to the technical field of coating preparation, and particularly discloses a multifunctional composite filler modified water-based coating and a preparation method thereof.The water-based coating is prepared from, by weight, 80-100 parts of modified core-shell acrylic acid dispersoid, 5-7 parts of multifunctional composite filler, 0.5-1 part of defoaming agent, 0.5-1 part of wetting agent, 2-5 parts of thickening agent, 1-2 parts of coalescing agent and 25-35 parts of deionized water. The water-based paint provided by the invention is modified by adding a proper amount of multifunctional composite filler, the performance is excellent, the stability is good, the components in the water-based paint have good compatibility by optimizing the preparation process conditions of the water-based paint, and the preparation method is simple to operate and suitable for industrial production.

The invention discloses a thermal shock resistant phosphate cement-based steel structure coating, which comprises: a bottom coating, which comprises 80-90 parts of potassium magnesium phosphate cement, 5-10 parts of an inorganic filler, 0.5-2.0 parts of an antifoaming agent, 1.0-3.0 parts of a high temperature resistant auxiliary agent, and 0.5-1.5 parts of reinforced fibers; and the reinforced surface layer is coated on the outer side of the bottom coating and comprises 60-70 parts of potassium magnesium phosphate cement, 5-10 parts of an inorganic salt phase change material, 5-15 parts of a fiber reinforced material, 2.0-5.0 parts of a repairing agent, 0.8-1.5 parts of a fire-resistant additive and 10-20 parts of lightweight aggregate. The invention further discloses a construction method of the thermal shock resistant phosphate cement-based steel structure coating. The phosphate cement-based coating is formed by combining a double-layer gradual change structure, the self-repairing agent and the heat-resistant phase change material, the durability and thermal shock resistance of the coating in a high-temperature environment can be remarkably improved, meanwhile, the excellent self-repairing capacity is achieved, and the service life of the coating is prolonged.

The invention discloses a high-temperature-resistant and corrosion-resistant coating and a preparation method thereof, and belongs to the technical field of coatings. The preparation method comprises the following steps: uniformly stirring 40-50 parts by weight of epoxy resin, 25-35 parts by weight of phenolic resin, 20-30 parts by weight of modified filler, 4-10 parts by weight of pigment and 50-65 parts by weight of solvent, then adding 5-10 parts by weight of curing agent and 0.5-1 part by weight of accelerant, and stirring to obtain the coating. The modified filler contains inorganic fillers such as titanium dioxide and glass flakes, a benzotriazole structure and a hindered phenol structure, and the modified filler has good compatibility with other raw materials and has chemical action with epoxy resin, so that the modified filler can stably exist in the coating, is not easy to migrate and fall off, and plays a role for a long time; under the combined action of other raw materials, the coating has excellent and stable high temperature resistance, corrosion resistance, aging resistance, flame retardance and the like, and the service life is greatly prolonged.

The invention relates to the technical field of cables, in particular to a high-toughness halogen-free flame-retardant crosslinked cable and a preparation method thereof.High-density polyethylene, ethylene-vinyl acetate copolymer, modified MXene and auxiliaries are mixed and co-extruded, and ultraviolet radiation crosslinking is adopted to prepare a reinforcing layer of the cable; the preparation method comprises the following steps: firstly, coating MXene with dopamine, treating with tert-butyldimethylsilyl chloride, then grafting DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide), and then introducing double bonds on the composite MXene; a self-repairing polyurethane emulsion, modified MXene and a photoinitiator are blended to prepare a protective coating, the surface of the reinforcing layer is coated with the protective coating, light curing treatment is carried out, and the water-resistant and corrosion-resistant protective layer sleeve with the self-repairing surface is prepared; a chain extender containing boric acid ester bonds and disulfide bonds is added in the preparation of the self-repairing polyurethane emulsion, and pentaerythritol triacrylate is used as a photosensitizer.