1347results about "Fireproof paints" patented technology

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.

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 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 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 a high-temperature-resistant sealing agent and a preparation method thereof, and relates to the technical field of chemical assistants, and the high-temperature-resistant sealing agent is characterized by comprising the following components in parts by weight: 25-32 parts of acidic nano silica sol, 56-65 parts of a cosolvent, 8-12 parts of a hydrolysis inhibitor, 9-12 parts of a silane coupling agent A, 5.5-6.8 parts of a silane coupling agent B and 0.01-0.015 part of a wetting agent. The high-temperature-resistant sealing agent has the effects that the high-temperature-resistant sealing agent is not yellowed, decomposed and dropped after being baked for 2 hours in an oven at the temperature of 250 DEG C, and is not corroded after being corroded by salt mist for 1000 hours.

The invention relates to the technical field of fire extinguishing microcapsules, in particular to a high-airtightness perfluorohexanone fire extinguishing microcapsule and a preparation method and application thereof.The perfluorohexanone fire extinguishing microcapsule comprises a composite shell layer and a fire extinguishing core, and the composite shell layer is made of ethylene-vinyl alcohol copolymer resin and silicon dioxide nanoparticles; the fire extinguishing core is a perfluorohexanone fire extinguishing agent and is applied to preparation of indoor fire extinguishing pastes, fireproof coatings and polyurethane adhesive materials. According to the perfluorohexanone fire extinguishing microcapsule disclosed by the invention, the diffusion of low-polarity perfluorohexanone is effectively prevented by utilizing the strong hydrogen-bond interaction between hydroxyl groups in the ethylene-vinyl alcohol copolymer resin, and especially under the condition of relatively high temperature, the perfluorohexanone fire extinguishing microcapsule has a good fire extinguishing effect. The problem that an existing perfluorohexanone fire extinguishing microcapsule is poor in long-term air tightness under the condition of high encapsulation efficiency is effectively solved, and meanwhile harmful substances such as formaldehyde cannot be generated.

The invention discloses a super-amphiphobic flame-retardant ice-resistant coating as well as a preparation method and application of the super-amphiphobic flame-retardant ice-resistant coating with a multi-layer surface coating, and belongs to the technical field of functional materials of electrical equipment. The coating comprises micron-sized ammonium polyphosphate, a nano-sized inorganic filler, fluorinated alkyl silane and a fluorine surfactant, the super-amphiphobic, flame-retardant and ice-resistant coating is constructed through multi-scale components, and the super-amphiphobic, flame-retardant and ice-resistant coating is spontaneously assembled on the surface of a base material in the coating process to form a coating surface with a molecular nanometer, micrometer and macroscopic multi-level structure; the coating shows good super-amphiphobic characteristics, the contact angle of the structure surface after long-time placement under the room temperature condition is basically kept unchanged, the contact angle to water and oil is still larger than 150 degrees after multiple times of cyclic friction and washing, meanwhile, the coating has excellent flame retardance, ice resistance and wear resistance, the icing delay time is greatly prolonged, and the coating has the good anti-freezing effect. And no open fire is generated when the cable is in contact with an external fire source, so that the cable has important engineering application value for electric power facilities under harsh environmental conditions.

According to the preparation method of the high-temperature-resistant durable super-hydrophobic powder coating, integrated powder coating particles are prepared by mixing through a tabletting-crushing-sieving technology, and finally, one end of a solid nano-material in the integrated powder coating particles is embedded into a bottom layer, and the other end of the solid nano-material protrudes out of the surface of the coating, so that a nano-fiber bridging interface strengthening structure is formed. According to the invention, the low surface energy material, the solid nano material and the thermoplastic film-forming resin are effectively combined together to construct firm and stable integrated powder coating particles, so that the overall performance is synergistically enhanced, and the protection capability of a micron-scale structure to a nano-scale structure is greatly improved; the solvent-free durable super-hydrophobic powder coating is directly prepared through electrostatic spraying, so that the technological process is simplified; the solid, solvent-free and environment-friendly super-hydrophobic powder coating is prepared, has excellent high-temperature resistance and super-hydrophobic performance, and has potential advantages in the aspect of anti-corrosion and anti-drag application of a heat distribution pipeline.

The invention provides a high-temperature-resistant and corrosion-resistant ammonia water nozzle coating and a preparation method thereof, and belongs to the field of coatings. The ammonia water nozzle coating is composed of a self-repairing metal ceramic bonding layer, an organic-inorganic hybrid corrosion-resistant layer and a functional surface layer which are sequentially arranged in a stacked mode. A coating of the self-repairing metal ceramic bonding layer is composed of the following components of 90-99 parts of NiCrAlY alloy and 1-8 parts of self-repairing microcapsules. A coating of the organic-inorganic hybrid corrosion-resistant layer is prepared from the following components: 40 to 60 parts of fluorinated polyurethane prepolymer, 20 to 40 parts of silicon-aluminum sol, 1 to 8 parts of disulfide bond modified epoxy resin and 10 to 20 parts of magnesium-aluminum hydrotalcite; the coating of the functionalized surface layer is prepared from the following components: 20 to 30 parts of stearic acid modified TiO2 particles, 60 to 80 parts of waterborne polyurethane and 2 to 7 parts of ionic liquid modified SiO2 nanoparticles. The corrosion resistance, the high temperature resistance and the self-repairing capacity of the ammonia water nozzle are improved at the same time.

The invention discloses hydrolysis-resistant liquid phosphite ester and a preparation method and application thereof.The hydrolysis-resistant liquid phosphite ester is prepared by the steps that 2, 2, 4-trimethyl-1, 3-pentanediol and phosphorus trichloride or phosphite triester serve as raw materials, a cyclization reaction is conducted firstly, and then the hydrolysis-resistant liquid phosphite ester is obtained; and then carrying out nucleophilic substitution on Cl or aryl and alkyl on the cyclized intermediate by using higher saturated monohydric alcohol with more than C8, wherein the molecular structure is as shown in formula I in the specification. The liquid phosphite ester is novel liquid phosphite ester, the main body of the liquid phosphite ester is of a six-membered ring structure, the basic structure of the phosphite ester is reserved to the maximum extent, and the anti-oxidation effect of the phosphite ester is guaranteed; hydrophobic aliphatic chain structures on phosphorus atoms and branched chains of the phosphorus atoms prevent water molecules from approaching P-O bonds, so that the phosphorus atoms and the branched chains are prevented from being attacked by the water molecules, and the hydrolysis resistance is improved under the conditions that any additional amine hydrolysis-resistant agent is not used and any steric hindrance group is not introduced; good practical value, economic value and market prospect are realized.

The invention discloses an organic-inorganic composite flame retardant as well as a preparation method and application thereof, and belongs to the technical field of new energy materials. The organic-inorganic composite flame retardant comprises a core-shell structure composed of a surface modified magnesium-aluminum hydroxide shell layer, a chitosan middle layer and a surface modified nitrogen-phosphorus synergistic flame retardant core layer, and the surface modified magnesium-aluminum hydroxide shell layer is formed by self-assembly of surface modified magnesium-aluminum hydroxide nanosheets and is in a flower shape. The invention also discloses a preparation method of the organic-inorganic composite flame retardant and application of the organic-inorganic composite flame retardant in a flame-retardant film and a lithium ion battery. The invention provides an organic-inorganic composite flame retardant with excellent flame retardance, high thermal stability and good battery system compatibility, and a preparation method and application thereof in order to solve the technical problems that in the prior art, the compatibility of a flame retardant and a battery diaphragm matrix is poor, and the electrochemical performance of a battery is easily affected.

The invention discloses a high-performance anti-corrosion coating based on a layered nano material and a preparation method of the high-performance anti-corrosion coating. The anticorrosive paint is prepared from raw materials including a component A and a component B. The component A comprises epoxy resin, modified MXene nanosheets, modified graphene oxide, nano clay, zinc powder, a corrosion inhibitor, a defoaming agent, a flatting agent and ethylene glycol butyl ether, the modified MXene nanosheets are obtained by conducting surface treatment on the MXene nanosheets through a silane coupling agent, and the modified graphene oxide is obtained by conducting surface treatment on the modified MXene nanosheets through a silane coupling agent. The modified graphene oxide is obtained by modifying graphene with toluene diisocynate and dibutyltin dilaurate; and the component B is a polyamide resin curing agent. According to the anticorrosive paint disclosed by the invention, through interlayer intercalation and surface functional modification of MXene and graphene oxide, a compact physical barrier is formed, the interface bonding force is enhanced, and the permeability resistance is remarkably improved; the corrosion inhibitor is encapsulated in the layered structure, and when the coating is damaged, the corrosion inhibitor can be actively released to repair local microcracks.

The invention discloses a flexible intumescent fireproof coating and a preparation method and application thereof, and relates to the technical field of coatings, the flexible intumescent fireproof coating comprises the following components by weight: 30-60 parts of organosilicon modified epoxy resin, 15-30 parts of a flame retardant, 5-15 parts of a charring agent, 10-20 parts of a foaming agent, 5-20 parts of a flame retardant toughening agent, 5-10 parts of a fireproof filler, and 5-15 parts of a diluent. 2-5 parts of a defoaming agent, 1-5 parts of a dispersing agent and 30-50 parts of a curing agent. Through the synergistic effect of the organic silicon modified epoxy resin and the specific flame-retardant toughening agent and in combination with a compound system of silane modified ammonium polyphosphate and the triazine charring agent, the fireproof and heat-insulating properties and flexibility of the coating are greatly improved, and the application of the coating on different matrix structures is expanded; the dual requirements on fireproof performance and flexibility in the fields of aerospace, power batteries and the like are met.

The invention relates to a protective material for building decorative boards, which comprises 55-60% of a main film-forming system, 8-10% of a nanometer functional filler, 12-15% of a functional auxiliary agent, and 15-35% of a carrier and a conditioning agent, and the construction steps of the protective material for building decorative boards comprise base material pretreatment, coating construction, curing and quality inspection. According to the protective material for the building decorative plate and the construction method, the fluorocarbon modified acrylic resin and the organic silicon-acrylic hybrid emulsion are adopted for upgrading a base material, the nano titanium dioxide is added to realize ultraviolet shielding, the graphene is added to realize crack propagation resistance, the weather resistance of the material is improved, the deionized water is used for replacing a traditional solvent, and the cost is reduced. The self-cleaning capacity can be improved by adding hydrophobic nano silicon dioxide, silicon dioxide is added into an intumescent flame-retardant system to serve as a physical anchoring point, and the flame-retardant property of the material is further improved.

The invention relates to the technical field of preparation of polyurea elastomer materials, in particular to a multi-synergistic enhanced polyurea elastomer material as well as a preparation method and application thereof. The material is prepared from a specific component A and a specific component B through a reaction, and a synergistic flame-retardant system, a multi-scale enhancement system and an intelligent protection system are innovatively integrated. A ceramic framework carbon layer is formed through 'phosphorus-nitrogen-silicon' synergy, step-by-step dissipation of stress is achieved through 'nanometer-micrometer' synergy, dynamic long-acting protection is provided through 'self-repairing-hydrophobic' synergy, and the problem that a traditional protection material is single in performance and restricts one another is solved. The preparation method adopts a unique nanometer pre-dispersion and multi-step charging process. Compared with the prior art, the material provided by the invention simultaneously has excellent fireproof and heat-insulating, impact-resistant, wear-resistant and self-repairing waterproof performances, and can fundamentally improve the safety and reliability of a battery pack and a chassis of a new energy automobile.

The invention relates to the technical field of composite coating preparation materials for battery diaphragms, in particular to a composite coating for a battery diaphragm as well as a preparation method and application. The invention discloses a graphene quantum dot / carbon nanotube composite material, which is prepared from the following components in percentage by weight: 3 to 8 percent of aminated graphene oxide-polydopamine graft, 10 to 18 percent of polyimide-polyetheretherketone-nano SiO2 hybrid, 2 to 5 percent of hydroxyapatite-montmorillonite core-shell particles, 0.5 to 3 percent of zinc borate-melamine cyanurate compound, 1 to 3 percent of graphene quantum dot-carbon nanotube hybrid, 2 to 6 percent of sodium carboxymethyl cellulose and 50 to 70 percent of deionized water. 0.5 to 2 percent of barium strontium titanate nanocrystalline or 1 to 3 percent of polyethylene glycol-polypropylene glycol segmented copolymer can also be added. All the components are combined through molecular-level reaction to construct a high-performance protection network. The composite coating is good in high temperature resistance and mechanical strength, high in ionic conduction efficiency, excellent in flame retardant effect and good in interfacial compatibility, the preparation process is environmentally friendly and easy to industrialize, the composite coating is suitable for various batteries, and the comprehensive performance of the composite coating is superior to that of a traditional coating.

The invention relates to the technical field of coatings, and discloses a modified epoxy heat-resistant flame-retardant coating and a preparation method thereof.The preparation method comprises the steps that flame-retardant modified halloysite nanotubes, deionized water, epoxy resin, boron phenolic resin, a defoaming agent and a flatting agent are mixed to be uniform and discharged, and the modified epoxy heat-resistant flame-retardant coating is obtained. Diethyl hypophosphorous acid ethylene oxide methyl ester and boric acid modified halloysite nanotubes react to obtain flame-retardant modified halloysite nanotubes, and the halloysite nanotubes and the organic flame retardant diethyl hypophosphorous acid ethylene oxide methyl ester have a synergistic effect, so that agglomeration of the halloysite nanotubes is avoided, migration of a small-molecule organic flame retardant is avoided, and the flame retardance of the halloysite nanotubes is improved. The boron phenolic resin, the flame-retardant modified halloysite nanotubes and the epoxy resin form a three-dimensional cross-linked thermosetting network structure, so that the hardness, wear resistance and impact resistance of the coating can be improved, and the obtained coating has excellent flame retardance and heat resistance.

The invention discloses a wear-resistant stone-impact-resistant powder coating and a preparation method thereof, and belongs to the technical field of paints.The wear-resistant stone-impact-resistant powder coating has the advantages that epoxy resin, a polyurethane prepolymer mixture and a high-temperature-resistant and low-temperature-resistant elastomer modifier are compounded to form an epoxy-polyurethane-elastomer chemical bonding effect, and the wear-resistant stone-impact-resistant powder coating is excellent in compatibility and better in crosslinking density, flexibility and elasticity; the stone impact resistance is greater than or equal to 4B grade, and the problem of poor stone impact resistance of a powder coating in the prior art is effectively solved; the epoxy resin is compounded by bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin, and forms a coating system with a composite antirust system, a gradient wear-resistant filler (compounded by nano ZrO and emery powder), a composite antirust system and a composite flame retardant, and interacts with each other, so that the wear resistance, the impact resistance, the flame retardance and the corrosion resistance of the coating are further enhanced, and the service life of the coating is prolonged. And the coating is durable, so that the frequent maintenance or replacement requirement of the chassis is reduced, and the coating is also suitable for protecting high-value parts of the new energy automobile.

The invention discloses a flame-ablation-resistant fireproof coating as well as a preparation method and application thereof, and belongs to the technical field of fireproof coatings. The coating comprises 20-60 parts of a film forming matter, 5-25 parts of indirect ceramic forming filler, 10-30 parts of an acid source and 5-15 parts of a gas source, the indirect ceramic forming filler comprises any one or more of feldspar, illite, kaolinite, montmorillonite, calcium silicate and magnesium silicate. The indirect ceramic forming filler is decomposed into a ceramic forming material at high temperature, and at the moment, the fireproof coating expands to form an expansion layer; the ceramic forming material in the expansion layer further reacts under the action of high-temperature flames, especially the ceramic forming material outside the expansion layer facing high temperature, to generate a ceramic substance, so that the surface ceramization of the fireproof coating is controllable, and the ceramization effect of the expansion layer after the coating is fully expanded is achieved; the problem that the fireproof performance is reduced due to the fact that a coating expansion layer forms a hard shell layer too early when the high-temperature-resistant performance of the fireproof coating is improved through a ceramic method is solved.

The invention discloses a scratch-resistant flame-retardant insulating powder coating, a preparation method thereof and application of the scratch-resistant flame-retardant insulating powder coating in rail transit and new energy automobiles, and relates to the technical field of polysiloxane powder coatings. The scratch-resistant flame-retardant insulating powder coating is prepared from the following raw materials in parts by weight: 100 to 120 parts of polysiloxane epoxy resin, 10 to 20 parts of modified curing agent, 5 to 10 parts of flame retardant, 3 to 6 parts of flexibilizer, 2 to 3 parts of flatting agent, 1 to 2 parts of benzoin and 8 to 10 parts of mica powder. The scratch-resistant flame-retardant insulating powder coating prepared by the invention has good impact resistance, flame retardance, adhesive force and insulating property.

The invention discloses sound insulation mortar, a preparation method, a sound insulation mortar system and a construction technology, and belongs to the field of building materials. The phosphogypsum-based low-carbon thermal insulation and sound insulation mortar is prepared from the following raw materials in parts by weight: 50 to 60 parts of phosphogypsum, 20 to 30 parts of filler, 10 to 15 parts of inorganic admixture, 10 to 15 parts of glass beads, 5 to 10 parts of aerogel, 0.1 to 0.5 part of water-retaining agent, 1 to 4 parts of polymer rubber powder, 0.02 to 0.05 part of retarder and 0.2 to 0.5 part of water reducing agent. The ardealite-based low-carbon thermal insulation and sound insulation mortar is compact in structure and good in crack resistance, and has an excellent sound insulation effect on the premise of ensuring that the mechanical property reaches the standard. The thermal-insulation and sound-insulation material is good in fire resistance and outstanding in aging resistance and durability in the long-term use process, has convenient construction performance and can fully meet the comprehensive use requirements of constructional engineering for thermal-insulation and sound-insulation materials.

The invention provides epoxy resin for halogen-free flame-retardant self-leveling powder coating and a preparation method of the epoxy resin, and belongs to the technical field of powder coating. The flame retardant is mainly prepared from anhydrous piperazine, bisphenol A diglycidyl ether, trihydroxymethyl phosphorus oxide, triethyl phosphite, epoxy chloropropane, sodium hydroxide, N-methyl iminodiacetic acid, ethylene glycol diglycidyl ether and other main raw materials through polymerization. The prepared epoxy resin and 2-phenylimidazoline are subjected to low-temperature curing (135 DEG C / 20 min) on the premise that an additional flatting agent does not need to be used, the flexibility of a coating film is good, the impact resistance grade is high, the impact performance reaches the condition that no cracking phenomenon exists in the front and back 60cm, the leveling grade reaches the grade 7 or above, the gloss is high and reaches 95% or above, the oxygen index reaches 34% or above, and the halogen-free flame retardant performance is excellent.

The invention relates to the technical field of flame-retardant materials, and particularly discloses a full-bio-based reactive flame retardant, a zero-VOC bio-based basic flame-retardant waterborne polyurethane emulsion and a preparation method of the zero-VOC bio-based basic flame-retardant waterborne polyurethane emulsion. According to the invention, vanillin, lysine and phytic acid are taken as raw materials, a full-bio-based reactive flame retardant is synthesized, and the full-bio-based reactive flame retardant can form chemical bonding with a waterborne polyurethane matrix, so that intrinsic flame retardance is realized. A molecular structure of the cosolvent contains a plurality of high-activity groups such as hydroxyl groups, the cosolvent has excellent thermal stability and lasting flame-retardant efficiency, can be chemically bonded with a waterborne polyurethane matrix under a low-temperature condition, remarkably reduces the dosage of the cosolvent, and can realize zero VOC solvent emission when being applied to a chemical flame-retardant modification process of waterborne polyurethane. Meanwhile, the Schiff base group contained in the flame retardant endows the flame retardant with an extra antibacterial function, breeding of microorganisms on the surface and inside of the material can be inhibited after the flame retardant is combined with waterborne polyurethane, material degradation caused by microbial erosion is avoided, the service life of the material is prolonged, and the using effect of the material is improved.

The invention discloses an epoxy modified polyimide coating with both low dielectric constant and flame retardance, which is prepared by the following steps: by taking polyimide resin and epoxy resin as matrixes, constructing a semi-interpenetrating network structure, stably dispersing and fixing a novel phosphorus-nitrogen synergistic flame retardant in the network in a nanoscale, thereby obtaining the epoxy modified polyimide coating with low dielectric constant and flame retardance. According to the design, excellent heat resistance, low dielectric constant and corrosion resistance of polyimide and good adhesive force and manufacturability of epoxy resin are integrated, and the performance limitation of a single resin matrix is overcome. The flame retardant disclosed by the invention exerts a gas phase-condensed phase synergistic flame retardant mechanism in a combustion process, not only can capture free radicals in a gas phase, but also can promote formation of a compact carbon layer in a condensed phase, so that a coating has efficient and good flame retardant performance, and meanwhile, the problem that an additive flame retardant is difficult to disperse in a coating is solved. The coating disclosed by the invention has wide application prospects in the fields of electronic device packaging protection, steel structure fire prevention and corrosion prevention, new energy automobile battery compartment protection and the like.

The invention discloses a functionalized hybrid flame retardant based on cyclodextrin-MOF (Metal Organic Framework) as well as a preparation method and application thereof, and belongs to the technical field of high polymer material science and flame retardance. The hybrid flame retardant (F-CD-MOF) has a core-shell structure, a core body is crystalline CD-MOF formed by self-assembly of cyclodextrin and potassium ions, and a shell layer is an organic interface layer which is formed by grafting of a silane coupling agent and contains an active functional group (-NH2 or-NCO). The preparation method comprises the steps of CD-MOF primary crystal synthesis, surface silanization functionalization and post-treatment. The flame retardant can be used as a reactive nanofiller for preparing a high-performance flame-retardant polyurea coating, a polyurea three-dimensional cross-linked network is embedded through covalent bonding, the UL-94 flame-retardant grade of the obtained coating reaches V-0 grade, the peak heat release rate is reduced by 40% or above compared with that of a pure polyurea coating, and the flame retardant has excellent mechanical properties and is suitable for industrial production. The fireproof coating is suitable for high-end fireproof fields such as building fireproof coatings and electric power facility fireproof coating materials.

The invention discloses a flame-retardant epoxy resin coating and a preparation process thereof, and relates to the technical field of flame-retardant epoxy coatings. 20-50 parts of a curing agent; 5-30 parts of a modified flame retardant; 10-30 parts of an organic solvent; 0.1 to 5 parts of an auxiliary agent; the modified flame retardant is an organic-inorganic hybrid polymer containing phosphorus, nitrogen and silicon. By introducing a hyperbranched structure containing phosphorus, nitrogen and silicon, synergistic flame retardance of a gas phase and a condensed phase is achieved, a compact carbon layer is formed when the coating is heated, the adhesive force of a coating and a base material is enhanced through the chemical bonding effect, dispersity and toughness are improved through a unique molecular structure, brittle cracking is avoided, and the coating has good flame retardance. The problems that a traditional coating is prone to migration, poor in adhesive force and insufficient in water resistance are solved, and the paint has excellent comprehensive performance.

The invention discloses a flame-retardant corrosion-resistant coating and a preparation method thereof, and relates to the technical field of fluorocarbon resin powder coatings. The flame-retardant corrosion-resistant coating comprises the following raw materials in parts by weight: 15-25 parts of fluorocarbon resin, 40-50 parts of epoxy resin, 3-5 parts of a curing agent, 5-7 parts of a reinforcing agent, 4-6 parts of a corrosion inhibitor, 6-8 parts of filler, 1-2 parts of a flatting agent and 0.5-1 part of benzoin. The preparation method comprises the following steps: reacting phosphonitrilic chloride trimer with p-hydroxybenzaldehyde to generate an intermediate 1, reacting the intermediate 1 with p-aminobenzoic acid to generate an intermediate 2, and reacting the intermediate 2 with 2-heptyl ethylene oxide to generate the reinforcing agent. The flame-retardant corrosion-resistant coating prepared by the invention has excellent mechanical properties, corrosion resistance, aging resistance and flame retardance.

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

The invention discloses a resin-based aerogel heat-insulating coating and a process, and relates to the technical field of heat-insulating coatings. Comprising the following components in parts by mass: 60-90 parts of matrix resin, 15-25 parts of aerogel, 10-15 parts of a multi-stage flame retardant, 5-10 parts of modified montmorillonite, 5-8 parts of silicone rubber particles, 3-5 parts of chopped glass fibers, 2-4 parts of nano silicon dioxide, 1-3 parts of shape memory polymer particles, 1-2 parts of self-repairing microcapsules and 2.5-5 parts of other auxiliaries. According to the resin-based aerogel heat-insulating coating and the process, efficient synergistic flame retardance is achieved by introducing a multi-stage flame retardant, the flame retardance, the crack propagation resistance and the self-repairing function of the coating are remarkably improved by combining the shape memory polymer particles and a self-repairing microcapsule technology, meanwhile, a matrix resin formula and a filler dispersion process are optimized, and the heat-insulating performance of the coating is improved. The problem that a traditional aerogel heat insulation coating is prone to cracking and stripping in complex deformation and vibration environments is effectively solved, and therefore the overall heat insulation efficiency is improved, and the service life is prolonged.

The invention belongs to the technical field of fireproof coatings, and particularly relates to a steel structure fireproof powder coating which comprises the following components in parts by weight: 40-60 parts of epoxy polyester resin, 20-35 parts of a composite intumescent flame-retardant system, 5-15 parts of a flame-retardant aid, 5-15 parts of functional filler, 0.5-2 parts of a flatting agent, 0.2-1 part of a defoaming agent and 5-10 parts of a curing agent, wherein the epoxy polyester resin comprises epoxy resin and polyester resin, and the composite intumescent flame-retardant system comprises an acid source, a gas source and a carbon source. According to the fireproof powder coating for the steel structure, the epoxy polyester resin is used as a base material, the composite intumescent flame-retardant system, the flame-retardant additive, the functional filler and the like are combined, and all the components have a synergistic effect, so that the coating has excellent fireproof heat-insulating performance and flame-retardant effect. When a fire disaster occurs, the composite intumescent flame-retardant system can rapidly expand to form a fluffy heat-insulating carbon foam layer, heat and oxygen are effectively isolated, and flame spreading is prevented; the flame-retardant auxiliary agent further enhances the flame-retardant effect through decomposition heat absorption and oxygen concentration dilution.