175 results about "Nano tio2" patented technology

The invention belongs to the technical field of building materials, and discloses a preparation method of reflective heat-insulation waterproof real stone paint, which comprises the following three process stages: core layer synthesis, shell layer loading and real stone paint integration: coating a continuous SiO layer on the surface of nano TiO in situ to form TiO-coated SiO particles; graphene quantum dots and a hindered amine light stabilizer are loaded on the surfaces of TiOatSiO particles to form a composite functional filler; adding the composite functional filler into the acrylic emulsion base material in batches at a low speed, and adjusting the rheological property with the aid to obtain a finished product. The preparation process disclosed by the invention is completely compatible with an existing real stone paint industrial production line, does not need to add special equipment, and has excellent reflective heat insulation, heat preservation, water resistance, weather resistance and aging resistance and large-scale industrial feasibility; the technical problems of resin oxidative degradation caused by TiO photocatalytic activity, rapid attenuation of solar radiation reflectivity, failure of waterproof and hydrophobic performance and easiness in damage and stripping of a coating structure of the existing nano TiO-based reflective heat-insulation real stone paint are solved.

The invention discloses a self-repairing graphene-based wind driven generator blade protection film and a preparation method thereof, and relates to the technical field of wind power generation equipment protection. The protection film adopts a gradient structure of a bonding buffer layer, a self-repairing functional layer and a multifunctional protection layer; the self-repairing functional layer comprises a hybrid network formed by hydroxylated functionalized graphene and elastomer particles and bionic packaging microcapsules, inner layer capsules containing graphene quantum dot reinforced resin and a latent catalyst curing agent are packaged in the microcapsules, multiple times of repairing of the same damaged area can be achieved, and the repairing strength is high; the multifunctional protective layer endows the coating with super-hydrophobic, anti-icing and ultraviolet-resistant functions through fluorinated graphene and nano TiO2 (at) ZnO composite particles; the preparation process is mature, the comprehensive protection performance is excellent, and the coating is suitable for wind driven generator blade protection in the severe environment.

The invention discloses a non-oriented silicon steel composite material and a preparation method thereof.The method comprises the steps that powder of Ce, La and Y elements is subjected to ball milling, and ground powder with the particle size smaller than or equal to 8 micrometers is obtained; adding 0.5-1.2 wt% of nano TiO2 as a modifier into the ground powder, and uniformly depositing a rare earth composite layer on the surface of a non-oriented silicon steel substrate by adopting a magnetron sputtering method to obtain a silicon steel plate; stacking the multiple layers of silicon steel plates to form a laminated layer; zirconia sol is coated on interlayer contact surfaces of the multiple layers of silicon steel plates; standing at a preset temperature for a preset period of time, so that gelation-dehydration-inorganic conversion of the zirconium oxide sol layer is completed, and an assembled silicon steel plate is obtained; and carrying out post-treatment on the assembled silicon steel plate to obtain the non-oriented silicon steel composite material. The magnetic performance, the mechanical toughness and the low-temperature service reliability of the non-oriented silicon steel material are improved.

The invention relates to the technical field of polymer composite materials, in particular to a cable polymer composite material for a wind turbine blade, which is prepared from the following raw materials in parts by weight: a polymer base material; a reinforcing material; a polymer modified material; a functional additive; a performance modifier; the functional additive is prepared from an anti-ultraviolet agent, an antioxidant, a silane coupling agent and nano titanium dioxide. According to the invention, the epoxy modified polyether-ether-ketone and bisphenol A epoxy resin compounded base material is matched with a continuous glass fiber, carbon fiber chopped strand and nano silicon nitride multi-element reinforcing system, so that the core short board of insufficient mechanical properties of the traditional material is thoroughly solved, and a magnesium hydroxide, aluminum hydroxide, expanded graphite and nano montmorillonite compounded flame-retardant system is also selected, so that the flame-retardant performance of the material is greatly improved. The flame-retardant cable material is high in flame retardance, free of toxic gas release, capable of meeting the environment-friendly requirement, capable of improving the material interface bonding force and long-term service reliability and capable of meeting the requirement for the service life of 20 years or above of wind power blade cables.

The invention relates to the technical field of fiber reinforced resin-based composite materials, and discloses a basalt fiber epoxy resin composite material as well as a preparation method and application thereof. Comprising the following steps: carrying out oxygen plasma treatment and dopamine bionic liquid deposition treatment on basalt fibers, dipping the basalt fibers in a mixed coupling agent solution, and coating the basalt fibers with nano TiO2 sol to obtain nano roughened basalt fibers; mixing bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin, hyperbranched polyesteramine and ionic liquid modified boron nitride nanosheets to obtain resin A; mixing an epoxy curing agent with a curing accelerator to obtain resin B; and mixing the resin A and the resin B to obtain a mixed material, and infiltrating the nano roughened basalt fibers in the mixed material to obtain the basalt fiber epoxy resin composite material. After the basalt fiber is subjected to bionic multi-stage interface treatment, the basalt fiber is matched with the modified epoxy resin, so that the interface strength, the mechanical property and the weather resistance of the composite material are remarkably improved, and the composite material has a relatively good application scene.

The invention discloses a preparation method of a copper-palladium alloy loaded nano titanium dioxide semiconductor material as a catalyst for a carbon dioxide reduction reaction. Firstly, alloy nanoparticles are generated through a sol-gel method, the morphology of the nanoparticles is controlled and agglomeration is prevented through oleylamine and oleic acid, and borane-tert-butylamine is added at the temperature of 170 DEG C to regulate and control the sizes of the generated alloy nanoparticles. A series of characterizations prove that the catalyst has a very good particle loading condition, uniform particle distribution and increased reaction active sites, and shows excellent activity when being applied to a carbon dioxide reduction reaction, when the loading capacities of copper and palladium are respectively 1%, the activity of the obtained catalyst is the highest, the methane generation rate can reach 20.23 mol / g / h, and the methane generation rate can reach 20.23 mol / g / h. The selectivity of methane reaches 100%.

The invention discloses nanoscale Ti2O3, a preparation method and application of the nanoscale Ti2O3 as a catalyst carrier, and belongs to the technical field of nano material preparation. According to the invention, a solid-phase synthesis method is utilized, nano titanium powder and nano titanium dioxide are used as raw materials, and the nano-scale Ti2O3 brownish black powder with uniform particle size distribution is controllably synthesized. Meanwhile, a series of noble metal supported catalysts are synthesized by taking the catalyst as a catalyst carrier. According to the invention, rapid synthesis of nanoscale Ti2O3 is realized, and the particle size of the prepared sample is uniform and is about 300nm. The preparation method has the characteristics of high efficiency, rapidness, low equipment requirement, simplicity, easiness in repetition, high product purity and capability of realizing large-scale synthesis. Meanwhile, the prepared nanoscale Ti2O3 is small in size and uniform, so that a catalyst prepared by taking the nanoscale Ti2O3 as a carrier has relatively good dispersity, shows excellent electrocatalytic activity, can be prepared into catalyst slurry with relatively high uniformity, and is suitable for the fields of electrochemical catalysis and energy conversion.

The invention relates to the technical field of wire and cable manufacturing, in particular to an anti-corrosion cable and a preparation method thereof, and the anti-corrosion cable comprises a conductor, an anti-corrosion isolating layer, an insulating layer, an armor layer and an outer sheath from inside to outside. The surface of the conductor is plated with an aminated graphene-nickel-phosphorus composite plating layer; the anti-corrosion isolating layer contains 30-40 parts of fluorine rubber, 10-15 parts of nano boron nitride-silicon dioxide core-shell particles and the like; the insulating layer contains 45-55 parts of crosslinked polyethylene, 8-12 parts of montmorillonite-carbon nanotube-graphene composite powder and the like; the armor layer is formed by compounding a basalt fiber-glass fiber composite filament woven mesh and a polyether-ether-ketone-polyimide composite film; and the outer sheath contains 25-35 parts of chlorinated polyethylene, 5-8 parts of nano titanium dioxide-cerium oxide composite powder and the like. The corrosion-resistant cable has the advantages of corrosion resistance, strong weather resistance, excellent electrical and mechanical properties, long service life and low maintenance cost, can stably operate for a long time in severe environments such as high salinity and high humidity, and is suitable for multi-corrosion scenes.

The application discloses a circulating water purification treatment process for heat exchange equipment and relates to the technical field of circulating water purification treatment, and comprises the following steps: preparing a polyaspartic acid-silane functionalized graft intermediate; selecting a porous zeolite matrix and performing acid activation treatment; immersing the matrix in sol, standing for defoaming, and performing temperature rising calcination to obtain a nano TiO2-coated zeolite matrix coated with nano titanium dioxide on the surface; immersing the nano TiO2-coated zeolite matrix in a solution, stirring and reacting after adjusting the pH value of the solution to obtain PASP functionalized zeolite filter material; immersing the PASP functionalized zeolite filter material in a silver nitrate solution, performing photocatalytic reduction, reducing and depositing silver ions in situ, and obtaining silver / titanium dioxide-polyaspartic acid synergistic functionalized composite filter material. Through the synergistic composite filter material, efficient scale inhibition and sterilization and rapid purification are realized, excellent stability and durability are exhibited under harsh working conditions such as high temperature and long period, the application is environment-friendly, and the maintenance cost is low.

The present application relates to a kind of high adhesive composite material for rubber dam and its preparation method, it is related to rubber dam technical field, wherein the high adhesive composite material for rubber dam includes the weatherproof layer of outer layer, the reinforcing layer of middle, inner layer self-repairing layer, by mass fraction, the weatherproof layer includes 90-110 parts high saturated nitrile rubber, 23-28 parts carbon black N550, 3-8 parts nano TiO2, 1-3 parts antioxidant 1010, 2-3 parts of dicumyl peroxide, the reinforcing layer includes 60-80 parts of ethylene-propylene-diene rubber, 25-35 parts of butadiene-styrene rubber, 13-15 parts, nylon fiber, 10-12 parts aramid fiber, 12-15 parts carbon black, 0.5-1.5 parts graphene, 1-2 parts of sulfur, 0.5-1.5 parts of accelerator CZ, the self-repairing layer includes 90-100 parts of silicone rubber, 5-10 parts nano SiO2, 5-8 parts self-repairing agent, 0.1-0.3 parts dispersant.The high adhesive composite material for rubber dam of the present application has good adhesion, can repair small crack in time, prevent the further expansion of crack.

The preparation method comprises the following steps: reacting hemp fibers with a quaternary ammonium salt cationic etherifying agent under an alkaline condition to prepare a cationic hemp fiber adsorbent, and reacting the cationic hemp fiber adsorbent as a carrier with a titanate precursor under a closed hydrothermal condition to prepare the TiO2-cationic hemp fiber composite photocatalytic material. The nano TiO2 grows in situ and is loaded on the surface and in pores of the adsorbent, so that the composite photocatalytic material with efficient adsorption and photocatalytic degradation functions is formed. The composite photocatalytic material disclosed by the invention is mild in preparation process, simple and convenient to operate and green and renewable in raw material, is particularly suitable for efficient purification and circular treatment of high-concentration and high-chroma anionic dye wastewater, and has a good practical application prospect.

This invention discloses a synchronously degradable gravure ink for biodegradable plastic films and its preparation method, relating to the field of environmentally friendly inks. It comprises the following components: 35-55 parts of a biocompatible binder resin, 12-18 parts of organic pigment, 30-40 parts of a bio-based solvent, 0.5-1.5 parts of nano-titanium dioxide, and 1-2 parts of a dispersant. The biocompatible binder resin is a ternary block copolymer of PLA, PCL, and PBAT, with PBAT having a molecular weight of 3000-5000 g / mol. The bio-based solvent is a composite solvent of ethyl lactate and γ-valerol, with a mass ratio of ethyl lactate to γ-valerol of 1:0.5-2. The ink prepared by this invention exhibits excellent adhesion and maintains its integrity under bending and stretching of the substrate. It shows no sedimentation after 30 days of storage and maintains stable viscosity; its gloss reaches 85%. Furthermore, at test points of 30 and 60 days, the ink of this invention exhibits highly synchronous degradation behavior on both PLA and PBAT substrates.

The invention discloses a polyolefin waterproof and moisture permeable fabric manufacturing process, and relates to the technical field of waterproof fabrics, and the polyolefin waterproof and moisture permeable fabric manufacturing process comprises the following steps: step 1, preparing a polyolefin original film; step 2, blending modified resin: mixing matrix resin with a functional auxiliary agent to obtain a two-component modified resin system; step 3, coating and forming: uniformly coating the surface of the microporous expanded polyethylene original membrane with the two-component modified resin system to form a microporous communicated composite membrane material; step 4, post-treatment shaping: drying and cooling the microporous communicated composite membrane material to obtain a waterproof moisture-permeable base membrane; 5, fabric preparation, wherein the waterproof and moisture-permeable base film and base cloth are compounded, and the expanded polyethylene waterproof and moisture-permeable fabric is prepared through finishing; wherein the functional auxiliary agent is prepared from fluoroalkyl silane modified cross-linked PS (Polystyrene) microspheres and PEG (Polyethylene Glycol) coated nano TiO2. The waterproof and moisture-permeable expanded polyethylene fabric has the effects of remarkably improving the waterproof and moisture-permeable properties, washing resistance, micropore blockage resistance and mechanical strength of the waterproof and moisture-permeable expanded polyethylene fabric.

The invention relates to the technical field of metal surface treatment, in particular to a coating precursor composition, a metal coating and a preparation method and application of the coating precursor composition and the metal coating. The nano additive comprises a combination of nano silicon dioxide, nano aluminum oxide, nano magnesium oxide and nano titanium dioxide. The coating precursor composition provided by the invention comprises the silane coupling agent and the nano additive, and the metal coating prepared from the coating precursor composition has the excellent properties of high temperature resistance, difficulty in stripping, high hardness, no color, transparency and the like, can effectively resist erosion and wear of an external environment, and effectively prolongs the service life of metal.

The application provides an anti-fouling polyethylene material and a preparation method thereof. The anti-fouling polyethylene material is prepared from the following components in parts by weight: polyethylene 45-70 parts, perfluoroethylene propylene copolymer 10-20 parts, nano diatomite 5-15 parts, nano titanium dioxide 5-10 parts, nano aluminum nitride 5-10 parts, dispersing agent 0.4 part, lubricant 0.3 part, and antioxidant 0.5 part. The ceramic powder prepared by compounding is used as an additive for preventing fouling and scaling, the hardness and hydrophobicity of the surface of the product are improved, the adsorption and agglomeration of stains of diatomite are combined, and the polyethylene composite material with good surface performance and good anti-fouling performance is obtained.

The invention discloses a novel nano synergistic interaction high-strength self-sensing cement-based material which is prepared from components such as a cement-based cementing material, aggregate, water, a water reducing agent, multi-walled carbon nanotubes, nano titanium dioxide and nano montmorillonite in a synergistic manner according to a specific proportion. Wherein after the multi-walled carbon nanotubes are subjected to surface modification and pre-dispersion treatment, a high-sensitivity three-dimensional conductive network can be formed in a cement matrix; pores of a cement hydration product are filled with nano titanium dioxide, so that the compactness and durability of the material are remarkably enhanced, and the conductivity is enhanced; the nano-montmorillonite is dispersed in a matrix in a lamellar structure, and micro-crack propagation is inhibited and the overall toughness is improved through a bridging effect.

The invention discloses a deicing material based on a surface energy gradient structure and a preparation method of the deicing material, and belongs to the technical field of anti-icing and deicing. According to the invention, hydroxylated nano boron nitride is subjected to functionalization treatment to obtain epoxy nano boron nitride, and the epoxy nano boron nitride is mixed with an epoxy crosslinking monomer and a curing agent to prepare the heat-conducting layer coating; the SiO2 (at) ZrC core-shell photo-thermal particles, an epoxy crosslinking monomer and a curing agent are mixed to prepare a photo-thermal hydrophobic layer coating; the hydrophilic / hydrophobic conversion layer coating is prepared by mixing hydrophobic modified nano TiO2 with an epoxy crosslinking monomer and a curing agent; and sequentially spraying the heat-conducting layer coating, the photo-thermal hydrophobic layer coating and the hydrophilic / hydrophobic conversion layer coating on the surface of the base material, and curing to obtain the deicing material. The heat conduction layer, the photo-thermal hydrophobic layer and the hydrophilic / hydrophobic conversion layer are constructed on the surface of the base material, so that heat conductivity, photo-thermal responsiveness, surface energy regulation and mechanical durability can be considered, and synergistic improvement of heat conduction, anti-icing and weather resistance is realized.

The invention discloses a hydrophobic photocatalytic epoxy resin / carbon fiber composite material and a preparation method thereof. The method comprises the following steps: pretreating a base material; constructing a nano TiO2 / epoxy composite layer on the surface of the pretreated sample; the method comprises the following steps: respectively preparing a low-concentration KH560 solution and a high-concentration KH560 solution, firstly immersing a sample into the low-concentration KH560 solution for treatment, and then immersing the sample into the high-concentration KH560 solution for treatment to form a gradient concentration layer with the concentration gradually increased from inside to outside; then carrying out ultraviolet light assisted grafting treatment; and finally, carrying out curing by adopting an intermittent curing process of segmented heating and interspersed natural cooling. According to the preparation method, KH560 and TiO2 form chemical bonding through gradient concentration design, and the interface bonding strength and hydrophobic performance are remarkably improved by combining ultraviolet light treatment and an intermittent curing process. The surface water contact angle of the prepared composite material can reach 114 degrees or above, the photocatalytic activity is well kept, and the composite material can be widely applied to the fields of ocean engineering, aerospace, new energy automobiles and the like.

The invention relates to a super-soft yarn-loosening-resistant nano-composite roller shutter fabric and a manufacturing method thereof. The composite roller shutter fabric comprises a base cloth layer, a foaming coating, a PUR glue layer and a fabric layer which are sequentially compounded, the base cloth layer is made of polyester plain grey cloth, warp is made of composite yarn with fully-drawn yarn as a core layer and wrapped with draw-textured yarn, and weft is made of draw-textured yarn; the foaming coating is formed by coating water-based acrylate foaming glue containing nano TiO2 and nano carbon black and carrying out sectional foaming curing; the PUR glue layer is of a discrete point structure formed by low-modulus flexible PUR glue, and the projection width of glue points in the weft direction is smaller than the center distance of weft yarns of the base cloth; and the fabric layer is made of terylene sanded cloth. By means of the collaborative design of the structure and the technology, the interlayer bonding firmness is guaranteed, meanwhile, edge yarn scattering is effectively restrained, the rigidity of the composite fabric is remarkably reduced, and the composite fabric is suitable for large-width building roller shutter sunshade products.

The invention relates to a manufacturing method of a high-strength metal ceramic alloy, which comprises the following steps: S1, preparing TiO2-Ni-Co-Mo-Cr composite oxide core-shell structure precursor powder through a sol-gel method by taking nano TiO2 powder as a ceramic phase precursor core layer raw material and soluble metal salt as a binding phase precursor shell layer raw material; s2, uniformly mixing the precursor powder with nano carbon black, and carrying out low-temperature pre-nitridation reduction reaction; s3, after the composite powder is granulated, dry pressing preforming is combined with cold isostatic pressing treatment; and S4, degreasing the biscuit, placing the biscuit in a high-pressure sintering furnace in a nitrogen atmosphere, and applying pulse direct current to assist sintering. According to the preparation method, TiN phase synthesis and densification sintering are completely decoupled, low-temperature pre-nitridation is used for completing complete conversion from TiO2 to TiN, a metal binding phase is obtained through synchronous reduction, and a TiN metal core-shell structure is completely reserved; and densification is realized through subsequent low-temperature sintering, so that the problem of abnormal growth of TiN crystal grains caused by superposition of reaction heat release and sintering high temperature in the prior art is effectively avoided.

The application relates to the technical field of magnesium-carbon bricks, in particular to a preparation process of a high-thermal-shock-resistance magnesium-carbon brick, which comprises the following steps: mixing electric smelting magnesia, modified graphite, phenolic resin and aluminum powder, performing compression molding, and performing high-temperature solidification to prepare the magnesium-carbon brick. In the low-temperature stage, ammonium bicarbonate is decomposed to form pores, and in the high-temperature stage, nano ZrO2 is phase changed to actively clamp and heal the micro cracks caused by expansion, and B2O3 liquid phase is passively filled to form double protection. The nano TiO2 and MgO on the surface of the modified graphite capture impurities in the graphite. Meanwhile, LDH is decomposed to generate MgAl2O4 spinel, and the graphite and the magnesia matrix are connected in a chemical bond mode. The nano-phase alkaline environment of MgO reduces the oxidation activation energy of B4C, accelerates the oxidation of B4C into B2O3, and the liquid phase characteristics of the generated B2O3 enable it to spontaneously penetrate into pores under the driving of capillary force. Moreover, the B2O3 liquid phase reacts with nano ZrO2 at high temperature to form boron-zirconium composite oxides.

The invention discloses a preparation method of a modified low-temperature-aging-resistant basalt fiber and a composite material of the modified low-temperature-aging-resistant basalt fiber, and aims to solve the technical problems of insufficient low-temperature-aging resistance and poor interface bonding stability of an existing basalt fiber modification technology. The modification method comprises the three steps of basalt fiber pretreatment, composite modification liquid preparation and dipping modification, wherein firstly, pretreated fibers are obtained through alkali liquor degreasing, cleaning and drying; then preparing a composite modified liquid composed of a KH-560 and KH-792 compounded silane coupling agent, a nano TiO2 / Al2O3 mixed dispersion liquid, a hydrogenated nitrile rubber elastomer emulsion and an ethanol-water mixed solvent; and finally, performing ultrasonic impregnation and step-by-step curing to form a composite modified layer with the thickness of 0.8-1.2 mu m on the surface of the fiber. The invention relates to the technical field of basalt fiber modification, and particularly provides a low-temperature aging resistant basalt fiber modification and a preparation method of a low-temperature aging resistant basalt fiber composite material.

The invention discloses reinforced concrete and a preparation method thereof. The preparation method of the reinforced concrete comprises the following steps: (1) sequentially performing first-stage crushing, first-stage oxidation, second-stage crushing and second-stage oxidation on the retired fan blade to obtain fibers subjected to second-stage oxidation; (2) mixing the fibers subjected to secondary oxidation with nano titanium dioxide to obtain a mixed material; a silane coupling agent is sprayed to the mixed material to form a polysiloxane film, and modified fibers are obtained; and (3) mixing cement, coarse aggregate, fine aggregate, the modified fibers, the fibers subjected to secondary oxidation and water to obtain the reinforced concrete. According to the preparation method, the glass fiber mixing amount can be increased, the interface bonding can be enhanced, the glass fiber dispersity can be improved, the crushing efficiency can be improved, the overall compactness and mechanical property can be improved, and the early-stage shrinkage rate can be reduced.

The utility model relates to the field of surface engineering and protective coating technology. It discloses a process for fabricating a nano-reinforced gloss enamel coating on steel substrates, wherein a water-based gloss enamel coating is divided into two containers and combined with a sodium alginate dispersing solution prepared by dissolving sodium alginate in water. Nano-alumina (Al2O3) or nanotitania (TiO2) nanoparticles are incorporated at about 5 wt% into the coating system to form nanoparticle-reinforced slips. The slips are homogenized by magnetic stirring and aged to stabilize dispersion. Steel substrates are mechanically sanded and chemically degreased prior to coating. The coating is applied using an airbrush method to form a uniform layer, followed by air-drying and heat curing at controlled temperature to consolidate the coating.

The invention discloses a functionalized TiO2 / 3D-C3N4 / epoxy resin based composite photocatalytic coating and a preparation method thereof, and belongs to the technical field of environmental catalysis, the preparation method comprises the following steps: 1) dissolving dicyandiamide and sodium chloride, freeze-drying to obtain mixed powder, and calcining for the first time to obtain 3D g-C3N4; and 2) mixing the 3D g-C3N4, gas-phase nano TiO2 and deionized water, drying, and calcining for the second time to obtain the TiO2 / 3D g-C3N4 composite photocatalytic material, (3) mixing 3-aminopropyl trimethoxy silane, absolute ethyl alcohol and the TiO2 / 3D g-C3N4, and carrying out condensation reflux, rotary evaporation and drying treatment, so as to obtain functionalized TiO2 / 3D g-C3N4; and 4) mixing the functionalized TiO2 / 3D g-C3N4, a waterborne epoxy emulsion and a curing agent, blade-coating to prepare a film, and drying to obtain the functionalized TiO2 / 3D-C3N4 / epoxy resin-based composite photocatalytic coating. The preparation method disclosed by the invention is used for solving the technical problems of poor photocatalytic efficiency, poor interface bonding strength and poor durability of the composite photocatalytic coating prepared by the existing preparation method.

The invention discloses a fireproof environment-friendly sealing flexible material and a preparation method thereof. On one hand, the invention provides a fireproof environment-friendly sealing flexible material which comprises a component A and a component B, the component A is prepared from the following raw material components in parts by mass: 100 parts of methyl vinyl silicone rubber, 62 to 68 parts of melamine coated ammonium polyphosphate, 14 to 18 parts of nano kaolin and 24 to 28 parts of elastomer polyurethane prepolymer; the component B is prepared from the following raw material components in parts by mass: 44 to 48 parts of vinyl silicone oil, 24 to 28 parts of hydrogen-containing silicone oil, 10 to 14 parts of a Karstedt catalyst, 18 to 22 parts of modified magnesium hydroxide, 12 to 16 parts of nano titanium dioxide and 44 to 48 parts of an IPDI (isophorone diisocyanate) polyurethane prepolymer. On the other hand, the invention provides a preparation method of the fireproof environment-friendly sealing flexible material. The material provided by the invention has the advantages of excellent flame retardant property, excellent flexibility and sealing property, and excellent aging resistance.

The invention discloses a flame-retardant fireproof composite board and a production process, and relates to the technical field of composite boards. The flame-retardant fireproof composite board comprises a melamine board and a fireproof coating arranged on the surface of the melamine board. Wherein the fireproof coating is prepared from a composite coating, and the composite coating is prepared from the following raw materials in parts by mass: 350 to 420 parts of acrylic emulsion, 100 to 120 parts of deionized water, 110 to 132 parts of self-repairing polymer, 22 to 26 parts of modified quantum dot dispersion liquid, 300 to 310 parts of flame-retardant slurry, 65 to 78 parts of flame-retardant synergist, 3 to 3.6 parts of defoaming agent and 15 to 18 parts of nano titanium dioxide aqueous dispersion liquid; the flame-retardant slurry is prepared from deionized water, a wetting dispersant, ammonium polyphosphate, expandable graphite and nano silicon dioxide. Due to the introduction of the self-repairing polymer, the flame-retardant synergist and the like, the stability, the fire resistance and the water resistance of the composite board are effectively improved, and meanwhile, the formaldehyde emission of the composite board is reduced.