2397results about "Fireproof paints" patented technology

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 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 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 present invention relates to a preparation method of an intelligent self-repairing, flame-retardant and light-resistant water-based polyurethane coating. The method comprises the following steps: preparing a self-made hyperbranched flame retardant and using it in the synthesis of a polyurethane prepolymer; cooling the mixture to 58° C., adding 2,2-dimethylolpropionic acid, reacting the mixture for 1 to 2 hours, adding 1 to 2 parts of a disulfide compound, reacting the mixture for 1 to 2 hours at 60 to 80° C., adding 1 to 2 parts of a hydrogen bonding agent, reacting the mixture for 1 hour at 60 to 80° C., adding 0.5 to 1.5 parts of a coumarin derivative, and reacting the mixture for 60 to 90° C. The mixture was stirred for 1-2 hours, and then spiropyran, diethanol monoisopropanolamine, and 0.01 parts of p-toluenesulfonamide were added, and the mixture was reacted at 50°C for 30 minutes. The temperature was lowered to 40-45°C, and 1-2 parts of triethylamine were added, and the mixture was reacted for 1-2 hours. The mixture was cooled to room temperature, and 60-65 parts of water were added. The mixture was stirred at a speed of 1800-2000 r / min for 0.5-1 hour to obtain an intelligent self-healing, flame-retardant, and light-resistant water-based polyurethane coating. The flame retardancy and self-healing properties of the obtained water-based polyurethane were significantly improved.

A high-temperature-resistant and aging-resistant polyurethane material and a preparation method therefor. The polyurethane material comprises the following components in parts by mass: 21-27 parts of a modified polyurethane resin, 10-15 parts of a phenolic resin, 10-15 parts of an epoxy resin, 16-20 parts of a modified solid filler, 7-13 parts of a curing agent, 1-2 parts of a defoaming agent, 1-3 parts of a wetting agent, 0.7-1 part of a leveling agent, and 5-10 parts of water. The high-temperature-resistant and aging-resistant polyurethane material has excellent temperature resistance and moisture resistance, high aging resistance, and strong adhesion to a glass surface and can be used as a coating with which a glass surface is coated.

The invention belongs to the technical field of coatings, and discloses an anti-sinking water-based acrylic resin coating and a preparation method thereof.The anti-sinking water-based acrylic resin coating is prepared from, by weight, 110-130 parts of modified water-based acrylic resin, 10-25 parts of modified cellulose nanocrystals, 3-5 parts of a composite additive, 4-6 parts of a dispersing agent, 0.5-2 parts of a defoaming agent, 0.5-2 parts of a flatting agent and 10-20 parts of water; the acrylic resin is modified by using the organic silicon oligomer and the epoxy resin, the film hardness is high, the adhesive force is strong, and the film hardness, the impact resistance, the ultraviolet aging resistance and the flame retardant property of the material are improved by adding the modified cellulose nanocrystals and the composite additive.

A flame-retardant laminated solid wood composite floor and a manufacturing method therefor. The manufacturing method comprising: first reacting dopamine hydrochloride with acryloyl chloride to generate a dopamine acrylamide monomer; by means of a double bond in the dopamine acrylamide monomer, carrying out a click reaction with a phosphate monomer containing a sulfydryl group, so as to introduce a catechol group into a side chain of the phosphate monomer and obtain a flame-retardant monomer containing the double bond; and then mixing pentaerythritol tetra(3-mercaptopropionate), pentaerythritol triacrylate, perfluorodecanethiol and the flame-retardant monomer containing the double bond to obtain a photocurable coating material. The coating material is photocured after being coated on the surface of a wood veneer, thus effectively improving the flame-retardant performance of the wood veneer; moreover, the adhesion between the coating layer and the wood veneer is excellent. The wood veneers are laminated in multiple layers, are glued and assembled into a layered structure, and then hot-pressed to form the solid wood composite floor, thus improving the comprehensive performance.

Apparatus, systems, and methods described herein relate to the manufacture and use of electrochemical cells with a flame retardant mechanism. In some embodiments, an electrochemical cell includes a first current collector coupled to a first portion of a first pouch, the first current collector having a first electrode material disposed thereon. The electrochemical cell further includes a second current collector coupled to a second portion of the first pouch, the second current collector having a second electrode material disposed thereon. The electrochemical cell further includes a separator disposed between the first electrode material and the second electrode material, the first portion of the first pouch coupled to the second portion of the first pouch to enclose the electrochemical cell. The electrochemical cell further includes a flame retardant material coated to the first pouch and a second pouch, the second pouch enclosing the first pouch and the flame retardant material.

The invention discloses a high-temperature-resistant anticorrosive coating for coating the surface of a steel pipe and a preparation method of the high-temperature-resistant anticorrosive coating, and relates to the technical field of high-temperature-resistant anticorrosive coatings. The high-temperature-resistant coating comprises the following components in parts by mass: 30-50 parts of a resin base material, 20-35 parts of a high-temperature-resistant filler, 5-15 parts of a preservative, 10-25 parts of a solvent and 1-5 parts of an auxiliary agent. The coating forms a compact composite protective layer through molecular hierarchical design, keeps structural integrity at high temperature, effectively blocks corrosion medium permeation, and adapts to a severe temperature change environment. The coating can be widely applied to metal protection under severe working conditions of ships, airplanes, high-speed rails and the like, and the temperature resistance limit, the salt spray corrosion resistance and the cold and hot alternating stability of the coating are remarkably improved.

The invention is suitable for the technical field of flame retardance of high polymer materials, and provides a core-shell structure graphite phase carbon nitride derivative and a preparation method thereof.The derivative is prepared by the steps that a precursor containing phosphorus and boron elements is mixed with melamine, and phosphorus / boron co-doped graphite phase carbon nitride is prepared through a high-temperature thermal polymerization reaction; and then assembling the phytic acid copper on the surface of the graphite-phase carbon nitride in an in-situ growth manner by adopting an aqueous solution self-assembly method to construct a derivative with a core-shell structure. The invention provides the graphite phase carbon nitride derivative with the core-shell structure, which is green, environment-friendly, efficient and flame-retardant and simple and convenient in process, and the preparation method of the graphite phase carbon nitride derivative, and the graphite phase carbon nitride derivative has wide application prospect and industrialization value.

The invention relates to an automobile paint surface protective film agent and a preparation method thereof, and belongs to the technical field of automobile beauty. The automobile paint surface protective film agent is prepared from the following raw materials: amino functional polysiloxane, fluorine modified acrylic resin, epoxy modified organic silicon emulsion, functional filler, a surfactant, hydrophobic modified silicone oil, a brightening agent, a penetrating agent, a cosolvent and deionized water, and the raw materials are blended to prepare the automobile paint surface protective film agent. The functional filler is prepared by firstly carrying out surface modification on a polymer and then carrying out click chemistry on dodecanethiol on hydroxylated nano silicon dioxide, and the polymer is prepared by carrying out nucleophilic addition on poly (ethylene glycol) methacrylate Mn360, poly (ethylene glycol) methacrylate Mn500 and isophorone diisocyanate. The automobile paint surface protective film agent is high in film forming speed, a formed film layer has the characteristic of multiple effects, and meanwhile, the wear resistance is also very good.

The invention relates to the technical field of coating compositions, and particularly discloses an ardealite-based heat-insulation fireproof coating and a preparation method thereof.The ardealite-based heat-insulation fireproof coating is prepared from titanium dioxide modified ardealite, hollow glass beads, styrene-acrylic emulsion, modified composite flame-retardant fibers, calcium sulfate whiskers, microencapsulated red phosphorus, redispersible latex powder, deionized water, a dispersing agent and a defoaming agent; the preparation method comprises the following steps: firstly, preparing titanium dioxide modified phosphogypsum, secondly, modifying the composite flame-retardant fiber, and finally, mixing and stirring all the components. Through the synergistic effect of the titanium dioxide modified phosphogypsum and the composite flame-retardant fiber and in combination with an ultrasonic-assisted preparation process, a double heat-insulating barrier and a synergistic flame-retardant mechanism is formed; and calcium sulfate whiskers are matched for toughening, so that the fireproof heat-insulating performance and the structural stability of the coating are improved, and the problem that the coating is easy to crack is solved.

The invention provides a thermal response self-ceramization fireproof coating and a preparation method thereof. The thermal response self-ceramization fireproof coating is prepared from the following raw materials in parts by mass: 3 to 10 parts of acrylic monomer, 3 to 10 parts of organic sulfonate, 1 to 4 parts of silane coupling agent, 0.5 to 3 parts of silicate ester, 4 to 6 parts of ceramic precursor, 3 to 6 parts of fluxing agent and 0.05 to 0.4 part of initiator. The fluxing agent comprises a component A and a component B, the component A is one of boric oxide, zinc borate or low-melting-point glass powder, and the component B is one of phosphorus pentoxide and ammonium polyphosphate. The silane coupling agent can be copolymerized with an acrylic monomer to construct a C-C main chain, the C-C main chain and silicate ester are subjected to hydrolytic condensation to form a Si-O-Si three-dimensional network, a chemical cross-linked skeleton is formed, and the chemical cross-linked skeleton can generate silicon dioxide at high temperature to participate in a ceramization reaction; the ceramic precursor and silicate ester can form a strong physical cross-linking effect, so that the fireproof coating with a chemical and physical double-cross-linked network can be formed, and the fireproof coating has excellent mechanical property and machinability at normal temperature.

The invention relates to a bio-based degradable UV-curable coating material for a microcapsule fire extinguishing agent, the microcapsule fire extinguishing agent and a preparation method and application of the bio-based degradable UV-curable coating material for the microcapsule fire extinguishing agent. The bio-based degradable UV-curable coating material for the microcapsule fire extinguishing agent is prepared from the following components in parts by weight: 100 parts of bio-based hyperbranched polyurethane / acrylate prepolymer; 10-150 parts of a reactive flame-retardant monomer, 0.1-5 parts of a photoinitiator and 0-70 parts of a solvent. The coating material for the microcapsule fire extinguishing agent is a thermal response type material, when the coating material is prepared into a shell layer of the microcapsule fire extinguishing agent and the environment temperature reaches a preset threshold value, the shell layer is rapidly broken due to thermal expansion coefficient difference and chemical bond fracture, internal fire extinguishing liquid is released, the process can be completed within 3 seconds or less, rapid response in the initial stage of a fire disaster is ensured, and fire extinguishing efficiency is improved. The thermal response speed is high, the microcapsule fire extinguishing agent can be rapidly broken in the early stage of a fire, rapid release of fire extinguishing liquid is achieved in the early stage of the fire, efficient fire extinguishing is achieved, a fire source is controlled in time, and fire spreading is effectively prevented.

The invention relates to a base membrane for a composite current collector based on SiO2 nano composite modification and a preparation method of the base membrane. Synergistic modified nano SiO2 is compounded with aluminum hypophosphite, montmorillonite and the like to form modified auxiliary particles, the modified auxiliary particles and PET master batches are subjected to blending extrusion, and meanwhile, the surface of the base membrane is coated with a modified coating containing nano SiO2, so that the composite current collector is obtained. The mechanical property, the thermal stability and the flame retardance of the base film are obviously improved.

The invention belongs to the technical field of anticorrosive coatings, and particularly relates to a high-temperature-resistant hydrophobic anticorrosive coating as well as a preparation method and application thereof. The invention provides a high-temperature-resistant hydrophobic anticorrosive coating, which is prepared from the following raw material components in parts by weight: 100 to 140 parts of epoxy resin; 3 to 7 parts of 2-benzothiazole thiosuccinic acid; 2 to 6 parts of hydrophobically modified ZIF-67 (at) MgAlCeFe-LDH (layered double hydroxide); 4-8 parts of a filler; 2-6 parts of a dispersant; 1-3 parts of a defoaming agent; 2-4 parts of a coalescing agent; 15-35 parts of a curing agent; 20 to 30 parts of water; and 10 to 20 parts of ethanol. The hydrophobic property of the coating can be improved by adding hydrophobic modified ZIF-67 (at) MgAlCeFe-LDH, and the corrosion resistance of the anticorrosive coating is remarkably improved by matching with 2-benzothiazole thiosuccinic acid and utilizing the interaction between the ZIF-67 (at) MgAlCeFe-LDH and the 2-benzothiazole thiosuccinic acid. The anti-corrosion coating prepared by the method has excellent corrosion resistance, hydrophobic performance and high temperature 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.

Apparatus, systems, and methods described herein relate to the manufacture and use of electrochemical cells with a flame retardant mechanism. In some embodiments, an electrochemical cell includes a first current collector coupled to a first portion of a first pouch, the first current collector having a first electrode material disposed thereon. The electrochemical cell further includes a second current collector coupled to a second portion of the first pouch, the second current collector having a second electrode material disposed thereon. The electrochemical cell further includes a separator disposed between the first electrode material and the second electrode material, the first portion of the first pouch coupled to the second portion of the first pouch to enclose the electrochemical cell. The electrochemical cell further includes a flame retardant material coated to the first pouch and a second pouch, the second pouch enclosing the first pouch and the flame retardant material.

The invention discloses a heat-proof skirt which is of a single-layer or multi-layer structure, each single-layer material is formed by compositing quartz fiber cloth and coating when multiple layers are arranged, the heat-proof skirt is made of 6-8 single-layer materials, and the skirt edge is in a wave shape. The coating is prepared from the following raw materials in parts by weight: 4 to 6 parts of vinyl polysiloxane, 15 to 20 parts of hydrogen-containing silicone oil, 15 to 20 parts of ammonium polyphosphate, 10 to 15 parts of aluminum hydroxide, 5 to 8 parts of silicon dioxide, 0.005 to 0.02 part of a platinum catalyst and 30 to 40 parts of a solvent. The heat-proof skirt has contractility, and the influence on normal swinging resistance of the engine is reduced to the maximum extent.

The invention belongs to the technical field of vehicle protection materials, and particularly relates to a coating for an explosion-proof vehicle. The coating is composed of an adhesion bottom layer, an energy-absorbing middle layer and an anti-impact outer layer, wherein the adhesion bottom layer contains epoxy resin and flaky zinc powder / mica powder, and a laminated shielding structure is formed to improve the adhesion force to be larger than or equal to 8 MPa; the energy-absorbing middle layer is a composite material of modified nano silicon dioxide / polyethylene glycol-based STF and silanized aramid fiber, the viscosity of the energy-absorbing middle layer is sharply increased by more than 50 times at the strain rate of 500s <-1 >, and 65% of explosion impact energy can be absorbed; the anti-impact outer layer adopts a polyurea elastomer to wrap gradient distribution silicon carbide microspheres, pyramid-shaped protrusions are designed on the surface, the fragment defense speed reaches 430 m / s, and the shock wave reflection dispersion is increased by 50%. The whole anti-explosion coating passes UL94V-0 certification through a synergistic flame-retardant system, the chemical protection and self-cleaning capacity is improved through a super-hydrophobic surface layer, and the problems that a traditional anti-explosion coating is poor in adhesive force, weak in composite threat resistance and insufficient in environmental adaptability are solved.

The invention belongs to the technical field of flame-retardant coating preparation, and discloses a flame-retardant coating preparation device and a preparation method thereof.The flame-retardant coating preparation device comprises a reaction cylinder, a water inlet, a first discharging pipe and a mixing mechanism arranged in the reaction cylinder and further comprises a discharging assembly installed at the top of a cavity of the reaction cylinder; the discharging assembly comprises a discharging opening fixedly formed in the top of the reaction cylinder and a funnel, and the funnel is rotationally provided with a conveying roller. According to the scheme, a mixture of water and a solvent is injected into the reaction cylinder through the water inlet, meanwhile, the turbine and the mixing blades rotate through rotation of the motor, and the turbine rotates to convey a mixed solution in the reaction cylinder to the top of the mixing cavity through the main pipeline; and meanwhile, the powder raw materials and the mixed solution in the mixing cavity can be stirred and mixed at a high speed through rotation of the mixing blades, the mixed coating can be discharged through a second discharging pipe, operation is completed, and the situation that the powder coating is accumulated and agglomerated is avoided.

The invention relates to the technical field of coatings, in particular to a coating suitable for niobium-silicon alloy surface high-temperature protection and a preparation method of the coating. The coating comprises the following raw materials in parts by weight: 100-120 parts of deionized water, 60-80 parts of nickel-chromium-aluminum-yttrium alloy powder, 60-80 parts of enamel glaze, 50-60 parts of filler, 20-40 parts of a binder, 10-20 parts of nano titanium dioxide and 6-10 parts of an additive. According to the invention, during preparation of the coating, through addition of the filler, the negative thermal expansion performance of zirconium tungstate in the filler and volume shrinkage of zirconium tungstate in a high-temperature state, a buffer space is provided for thermal expansion of other materials in the coating, cracks of the coating due to thermal stress are avoided, and the high-temperature resistance of the coating is improved; kH560 enhances the interfacial compatibility of zirconium tungstate, avoids agglomeration of zirconium tungstate, and enables the zirconium tungstate to be more uniformly distributed in a coating system.

The invention discloses an inorganic sepiolite nanofiber prepared from epoxy grafted modified sepiolite, and the structural formula of the inorganic sepiolite nanofiber is shown in the specification, wherein R represents a group of epoxy resin; the sepiolite is subjected to multiple modification, so that the specific surface area of the sepiolite is increased, and the stability, dispersity and compatibility of the sepiolite in an organic polymer are improved. The surface of the modified sepiolite has rich epoxy groups, when the sepiolite is used for a waterborne epoxy coating, epoxy on the surface of the modified sepiolite and waterborne epoxy can be reacted and combined together as long as a curing agent is added, the binding force of the sepiolite and the epoxy is further enhanced, the modified sepiolite is dispersed more uniformly in the demulsified epoxy, and the enhancement effect is better. And the modified sepiolite can also be directly used as a coating, only the curing agent needs to be added at the moment, and the curing agent can react with epoxy grafted with the modified sepiolite to form a consolidated sepiolite fiber network.

The invention discloses an efficient flame-retardant waterproof and fireproof coating for a special humid environment and a preparation method, and relates to the technical field of waterproof and fireproof coatings, the waterproof and fireproof coating is prepared from a composite base material, a composite flame retardant, a nano waterproof agent, a moisture-proof auxiliary agent, a functional filler and a mixed auxiliary agent; the adhesive force and flexibility of the coating are synergistically improved through a molecular chain interpenetrating network, dual protection of a super-hydrophobic surface and a compact barrier layer is achieved in combination with a core-shell structure nano waterproof agent, a molecular-level moisture-proof barrier is constructed by adopting dual-intercalation modified bentonite, water vapor permeation can be effectively inhibited, and based on a ternary synergistic flame-retardant system, the flame-retardant performance of the coating is improved. An efficient expanded carbon layer is formed through coating modification and an eutectic structure, the fire endurance of the coating can be remarkably enhanced, in addition, the functional filler strengthens the mechanical property and the flame-retardant synergistic effect through multi-stage structural design and surface modification, the cross-linked network density is optimized in cooperation with gradient polymerization and irradiation curing processes, and the fire endurance of the coating can be remarkably improved. And finally, the bottleneck of performance degradation of the traditional coating in a humid environment is broken through.

The invention provides a heat insulation composite material which is prepared from the following raw materials in parts by weight: 100 parts of waterborne polyurethane, 10-20 parts of ammonium polyphosphate, 3-8 parts of zinc stannate, 5-15 parts of zinc borate, 5-10 parts of silicon carbide nanowires, 10-20 parts of silicon dioxide aerogel microspheres, 3-5 parts of nano montmorillonite and 2-5 parts of a toughening agent. According to the heat-insulating composite material disclosed by the invention, the balance of environmental friendliness, ultrahigh-temperature stability, low heat conductivity and flexibility is realized through the synergistic effect of multiple components.

The invention provides an anti-corrosion flame-retardant multiple-effect upgraded full-scene high-performance coating composition and application thereof. The anticorrosive flame-retardant multiple-effect upgraded full-scene high-performance coating composition is prepared from the following components in parts by mass: 20 to 40 parts of modified polysiloxane, 40 to 70 parts of polyurethane emulsion, 5 to 10 parts of flame retardant, 2 to 5 parts of cosolvent, 2.5 to 8 parts of auxiliary agent, 1 to 3 parts of color paste and 20 to 50 parts of solvent, wherein the modified polysiloxane is obtained by reacting antimony oxide, a silane coupling agent, vinyl POSS (Polyhedral Oligomeric Silsesquioxane), a cross-linking agent and methacryloyloxypropyl double-terminated polydimethylsiloxane. According to the present invention, the product can be endowed with the strong flame retardant property, the compatibility among the components is improved, the stability, the corrosion resistance and the weather resistance of the coating are significantly improved, and the coating can be used for a long time, can be widely used in the fields of water resistance, building, art coatings and the like, solves the problems in the prior art, and has good application prospects. Good application prospects are realized.

The invention relates to a high-dispersity magnesium hydroxide flame retardant as well as a preparation method and application thereof. The flame retardant comprises a magnesium hydroxide crystal and a multifunctional composite group which is modified on the surface of the magnesium hydroxide crystal and is used for improving the flame retardant property, wherein the magnesium hydroxide crystal accounts for 90-98% by mass, and the multifunctional composite group accounts for 2-10% by mass; the multifunctional composite group is composed of an organosilicon group, an olefin group, a nitrogen-containing group, a hydrophilic group and a hydrophobic group. A magnesium hydroxide crude product is subjected to surface modification treatment by adopting the weakly hydrophobic and strongly hydrophobic modifiers, and wet modification and dry modification processes are combined, so that the distribution narrowness (span) of the flame retardant is improved, the dispersion effect and the compatibility of the material are further improved, and the overall flame retardant property of the material is remarkably improved; meanwhile, the mechanical property of the filling material is maintained or enhanced, and an innovative solution is provided for developing an efficient and environment-friendly polymer flame-retardant material.