353 results about "Phosphazene" patented technology

The invention relates to the technical field of refractory materials, in particular to a waste magnesia-calcium brick-containing refractory material and a preparation method thereof, and the waste magnesia-calcium brick-containing refractory material comprises the following components: composite aggregate, calcium aluminate cement, urea resin-aluminum dihydrogen phosphate, active alpha-Al2O3 micro powder, silica micro powder and sodium tripolyphosphate. In the room-temperature spraying maintenance and low-temperature working stage, hydration of free CaO in the waste magnesia-calcium bricks and erosion of OH <-> are prevented through the hydrophobic effect of fluorinated polyphosphazene and modified zirconium oxide sol, and the compatibility and wettability of the composite aggregate and cement paste are improved through carboxylic acid groups of carboxyethyl silanetriol and polyethylene glycol monomethyl ether. According to the present invention, with the temperature rising, the aluminum dihydrogen phosphate forms the viscous liquid phase to wrap the aggregate so as to provide the temporary protection, the temperature continues to rise, the zirconium oxide and the nanometer Al2O3 react with the CaO and the MgO to generate the CaZrO3 and the MgAl2O3, the aluminum dihydrogen phosphate reacts with the nanometer Al2O3 in the system to generate the AlPO4, and the CaZrO3, the MgAl2O3 and the AlPO4 form the multi-phase fire-resistant structure so as to further improve the fire resistance of the fire-resistant material;

The invention relates to an aliphatic copolyester elastomer and a preparation method thereof, and belongs to the field of high polymer materials. The elastomer is prepared through a series ring-opening copolymerization reaction of epoxide and cyclic anhydride, and the method comprises the following steps: under the action of a metal-free catalyst (a phosphazene ligand P1-tert-octyl / triethyl boron system) and an initiator (terephthalyl alcohol), carrying out a series ring-opening copolymerization reaction on epoxide and cyclic anhydride, the preparation method comprises the following steps: reacting epoxide (such as epoxypropane and allyl glycidyl ether) with aliphatic anhydride (such as glutaric anhydride) in a xylene solvent to generate a polyester prepolymer retaining an active end; adding a second group of epoxide (such as cyclohexene oxide) and anhydride (such as tetrahydrophthalic anhydride and norbornene dianhydride), continuously reacting to form a block copolymer, and then crosslinking. The material performance can be regulated by changing the monomer combination, the atom economy is high, and the raw materials can be produced on a large scale. The process is simple and environment-friendly, and a new choice is provided for application of the degradable elastomer in the fields of medical treatment, environmental protection and the like.

The invention relates to the field of electric wires and cables, and discloses a high-temperature-oxidation-resistant flame-retardant electric wire and cable and a preparation method thereof.The sheath layer of the electric wire and cable comprises low-density polyethylene, nitrile rubber, natural rubber, ethylene-tetrafluoroethylene copolymer, modified multi-walled carbon nanotubes, modified nano titanium dioxide and auxiliaries; the modified multi-walled carbon nanotube is prepared by reacting an acylating chlorination multi-walled carbon nanotube with a polycyclotriphosphazene derivative; the polycyclotriphosphazene derivative is prepared by reacting hexachlorocyclotriphosphazene with p-aminodiphenylamine and then taking diphenyl dihydroxysilane as a linker; the modified nano titanium dioxide is prepared by the following steps: substituting phenylphosphoryl dichloride with phloroglucinol, then sequentially substituting with 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl chloride and 3-aminopropyltriethoxysilane, and grafting an obtained antioxidant phosphorus-containing coupling agent with nano titanium dioxide. The sheath layer material prepared by the invention has excellent high-temperature oxidation resistance, flame retardance, wear resistance and heat resistance.

The invention belongs to the field of flame retardance of high polymer materials, and relates to a preparation method of a metal organic framework polyphosphazene flame retardant and application of the flame retardant in PET flame retardant modification.The preparation method comprises the steps that a metal salt solution and a phytic acid solution are mixed according to the molar ratio of (3-15): 1, the pH is adjusted to 7-8, alcohol is added for a reaction, and phytic acid-based MOFs are obtained; mixing the phytic acid-based MOFs with a 4, 4 '-disubstituted diphenyl compound, triethylamine and alcohol to obtain a second mixed solution; hexachlorocyclotriphosphazene (HCCP) is mixed with the second mixed solution, the molar ratio of the 4, 4 '-disubstituted diphenyl compound to the HCCP is (2-4): 1, the mixture reacts at the temperature of 20-90 DEG C, and the phytic acid group MOFs (at) HCCP is obtained. HCCP is hybridized on the surface of phytic acid-based MOFs, and the flame retardant has excellent flame retardance and environmental protection performance by utilizing the char-forming catalytic capability of the phytic acid-based MOFs and the phosphorus-nitrogen flame retardance characteristic of HCCP.

The invention provides a battery, the battery comprises a negative plate, a positive plate and an electrolyte, the negative plate comprises a negative current collector and a negative active layer located on the surface of one side or two sides of the negative current collector, the negative active layer comprises a silicon-based material, and in the negative active layer, the weight ratio of silicon element is 2-45%; the electrolyte comprises difluoroethylene carbonate, fluoroethylene carbonate and a phosphazene compound, and in the electrolyte, the weight ratio of the difluoroethylene carbonate to the fluoroethylene carbonate is 0.002-0.4; the molecular structure of the phosphazene compound comprises cyano groups and phosphorus atoms, and the weight ratio of the phosphazene compound in the electrolyte is 0.1-5%. According to the battery, a firm and flexible SEI film can be formed on the surface of the silicon-based negative electrode, repeated breakage of the SEI film is reduced or even avoided, meanwhile, the concentration of HF can be reduced, the internal short circuit and self-discharge risks of the battery are reduced, and the long-cycle stability and the high-temperature cycle performance are improved.

The invention discloses a polyphosphazene flame-retardant electrolyte, a lithium ion battery containing the electrolyte and a preparation method of the lithium ion battery, and belongs to the technical field of lithium ion batteries. The electrolyte comprises a lithium salt, an organic solvent, a cosolvent, an additive, a cross-linking agent, a polymer monomer and a polymerization initiator, and is prepared in an in-situ or ex-situ polymerization mode. According to the polymer electrolyte or gel electrolyte provided by the invention, on the basis of various flame-retardant mechanisms of a phosphazene structure and a polymer network structure of a three-dimensional network structure, the overall thermal stability is improved, the intrinsic safety of a battery is improved, the safety risk caused by abuse, overcharge and overdischarge, needling, collision and the like is reduced, and the service life of the battery is prolonged. And a new direction is provided for further developing a multi-element composite flame-retardant material and promoting the safety of a lithium ion battery.

The invention provides a high-safety flexible pole piece, a preparation method and a flexible lithium ion battery, the pole piece comprises a current collector and a coating arranged on the surface of the current collector, the coating comprises a flexible isolation structure and a plurality of electrode units, the flexible isolation structure constructs a plurality of accommodating areas isolated from each other on the surface of the current collector, the number of the electrode units is multiple, and the flexible isolation structure is arranged in the accommodating areas. The plurality of electrode units are respectively and independently arranged in different accommodating areas. According to the invention, accurate prevention and control of thermal runaway are realized through the electrode structure design of partition isolation and a material system with multiple hydrogen bonds synergistic effect. The electrode is divided into independent units by the flexible isolation structure, so that heat spreading is effectively blocked; and a hydrogen bond network formed by the hydroxyl-containing comonomer I, PI, PET and hexaphenoxy cyclotriphosphazene significantly enhances the interface stability and flame retardant efficiency of the electrode and the isolation structure, and improves the intrinsic safety of the battery while ensuring the flexibility of the battery.

The invention relates to the technical field of cables, in particular to an environment-friendly flame-retardant antioxidant chlorinated polyvinyl chloride cable and a preparation method thereof, and the environment-friendly flame-retardant antioxidant chlorinated polyvinyl chloride cable comprises the following raw materials: chlorinated polyvinyl chloride, dioctyl terephthalate, nano aluminum hydroxide, a composite flame retardant, a calcium-zinc stabilizer, epoxidized soybean oil and nano clay. The composite flame retardant forms an organic-inorganic synergistic core-shell structure on a micro-nano scale, hexaphenoxy cyclotriphosphazene provides a phosphorus source flame-retardant function, and polyborosilazane forms a boron-silicon-nitrogen ceramic network after heat treatment, so that the carbon layer stability and thermal oxidation resistance of the material are effectively improved; meanwhile, the modified silicon dioxide is used as an inorganic skeleton reinforcing phase, so that the dispersity and the interface bonding performance of the flame retardant in a CPVC matrix are improved; through the synergistic effect, the flame retardant efficiency, thermal stability and mechanical strength of the cable material are remarkably improved, and smoke release and toxicity are reduced.

The invention discloses a polyphosphazene covalent triazine (at) LDH composite flame retardant and a preparation method and application thereof, the composite flame retardant comprises polyphosphazene covalent triazine polymer microspheres and Co-Cu layered double hydroxides coating the surfaces of the polyphosphazene covalent triazine polymer microspheres, the Co-Cu layered double hydroxides are grown on the polyphosphazene covalent triazine polymer microspheres in situ through a one-step hydrothermal method, and the Co-Cu layered double hydroxides / polyphosphazene covalent triazine polymer microspheres are prepared. The composite flame retardant is simple and efficient in synthesis method, high in thermal stability and stable in physical and chemical properties; more importantly, under the synergistic effect of the material and the structure, the composite flame retardant is doped into an epoxy resin material in a physical blending manner, so that the heat release rate, the total heat release amount and the smoke release amount of the material during combustion can be effectively reduced, the heat release rate, the total heat release amount and the smoke release amount reach the V-0 level in a UL94 test, reburning can be effectively prevented, and the service life of the material is prolonged. The tensile property and the impact property of the epoxy resin composite material are further improved.

The invention relates to the field of cables, and discloses a flame-retardant extruded and insulated low-voltage power cable, which comprises a conductor core, an insulating layer, a filling layer, an inner sheath layer, an armor layer and an outer sheath layer, and is characterized in that the sheath layer is made of low-density polyethylene, ethylene propylene diene monomer, ethylene-tetrafluoroethylene copolymer, modified halloysite nanotubes, modified ammonium polyphosphate and auxiliaries; the modified halloysite nanotube is prepared by loading titanium dioxide on the surface of a halloysite nanotube by using a sol-gel method and then grafting octa-aminopropyl polyhedral oligomeric silsesquioxane; the modified ammonium polyphosphate is prepared by grafting a functional silane coupling agent prepared by reacting a cyclotriphosphazene derivative with 3-chloropropyltrimethoxysilane with polysiloxane-coated ammonium polyphosphate, and the cyclotriphosphazene derivative is prepared by reacting 3-amino-1, 2, 4-triazole with hexachlorocyclotriphosphazene and then coordinating with cobalt ions by adopting a hydrothermal method. Therefore, the material is endowed with good mechanical properties, ultraviolet resistance, heat and wear resistance, flame retardance and antibacterial activity.

The invention discloses a high-flame-retardant polyurethane insulation board and a preparation method thereof, and belongs to the technical field of polyurethane insulation boards. The high-flame-retardant polyurethane insulation board is prepared from the following components in parts by mass: 90 to 110 parts of polyol, 110 to 130 parts of isocyanate, 80 to 120 parts of an inorganic flame retardant, 30 to 40 parts of a modified flame retardant, 10 to 20 parts of modified polyether polyol, 6 to 10 parts of graphene oxide, 20 to 25 parts of a foaming agent and 0.5 to 1.5 parts of a first catalyst, the polyol comprises polycarbonate diol and polyester diol in a ratio of 1: (2-4); the modified flame retardant is obtained by modifying hydrogen group-terminated siloxane through hexaanilino cyclotriphosphazene; the modified polyether polyol is obtained by modifying polyether polyol through diphenylphosphinic acid ethylene oxide methyl ester. The modified flame retardant and the modified polyether polyol are added into the high-flame-retardancy polyurethane insulation board, so that the dispersity of the flame retardant can be improved, and the uniformity and consistency of the flame retardancy of the polyurethane insulation board are improved.

The invention relates to the field of pipes, and discloses a high-flame-retardance MPP cable protection pipe and a preparation method thereof.The cable protection pipe comprises polypropylene resin, modified graphene oxide, modified maleic anhydride grafted polypropylene and auxiliaries; the modified graphene oxide is prepared by grafting a modified benzotriazole intermediate and a double-bond DOPO derivative substituted cyclotriphosphazene derivative into graphene oxide; the modified benzotriazole intermediate is prepared by grafting 2-(2, 4-dihydroxyphenyl)-2H-benzotriazole and ethyl bromoacetate, and then reacting with 2, 2, 6, 6-tetramethyl-4-piperidinol; the double-bond DOPO derivative is prepared through the reaction of DOPO-HQ and 4-vinyl benzyl chloride; the modified maleic anhydride grafted polypropylene is prepared by grafting octa-aminopropyl polyhedral oligomeric silsesquioxane prepared by a polycondensation reaction of 3-aminopropyltriethoxysilane and maleic anhydride grafted polypropylene. The pipe prepared by the invention has good mechanical properties, ultraviolet aging resistance, low-temperature toughness, heat resistance, flame retardance and wear resistance.

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 belongs to the technical field of photoelectric materials and devices, and particularly relates to a perovskite thin film and a preparation method and application thereof. A fluorine-containing phosphazene compound is used as a ligand and is mixed with a perovskite precursor solution composed of lead iodide, formamidine iodine and cesium iodide, spin coating is performed, the fluorine-containing phosphazene compound and part of formamidine cations form hydrogen bonds, part of formamidine cations are anchored at the bottom of a perovskite film, Cs-formamidine cations are uniformly distributed, and the perovskite film is prepared. Meanwhile, the fluorine-containing phosphazene compound and Pb < 2 + > form a coordinate bond, Pb < 2 + > defects are passivated, and the perovskite thin film is obtained through anti-solvent treatment and annealing treatment. The fluorine-containing phosphazene compound interacts with the components in the perovskite precursor solution, so that the nucleation rate of perovskite can be increased, the crystallization rate can be slowed down, the tensile stress can be eliminated, the perovskite does not enter crystal lattices, and the stability and crystallinity of the film are guaranteed. The perovskite thin film can be used for an inverted perovskite solar cell, and the performance and the stability of a device are improved.

The invention belongs to the technical field of high polymer materials, and particularly relates to a polypropylene composite material as well as a preparation method and application thereof. The polypropylene composite material is prepared from the following raw materials: polypropylene and a synergist, the synergist is prepared from the following raw materials: octachlorophosphazene and 2, 4 '-dihydroxybenzophenone. The phosphorus-nitrogen cyclic structure and the side chain phosphorus-chlorine bond of the octachlorophosphazene promote the octachlorophosphazene to easily react with 2, 4 '-dihydroxybenzophenone to generate a synergist, and the synergist not only has high flame retardant efficiency in polypropylene, but also can convert ultraviolet light of medium and long wave bands into harmless heat energy, has good ultraviolet light resistance, and can be used as a flame retardant for polypropylene. The material can be widely applied to the field of shell materials of household appliances, charging piles and other electronic appliances.

The invention relates to a high-efficiency low-toxicity fireproof heat-insulation composite coating and a preparation method thereof, and the preparation raw materials of the high-efficiency low-toxicity fireproof heat-insulation composite coating comprise the following components in parts by weight: 20-30 parts of modified polysiloxane, 15-25 parts of ammonium polyphosphate, 8-15 parts of melamine, 15-28 parts of an inorganic filler, 10-15 parts of water, 5-10 parts of a cosolvent, and 1-3 parts of a functional auxiliary agent. The modified polysiloxane is an A-B-C type three-section type block copolymer, wherein the A section is a polydimethylsiloxane or methyl phenyl siloxane block; the segment B is an organic silicon chain segment containing a phosphazene structural unit; and the segment C is a polyethylene glycol or polyoxyethylene block. According to the invention, the modified polysiloxane is cooperated with the ammonium polyphosphate salt and the melamine, so that the composite coating has the effects of high-efficiency fire prevention and heat insulation, low toxicity, environment friendliness and excellent film forming performance.

The invention relates to the field of pipes, and discloses a heat-resistant high-strength MPP cable protection pipe and a preparation method thereof.The cable protection pipe comprises polypropylene resin, composite filler, modified layered lanthanum phenylphosphonate and auxiliaries; the composite filler is prepared by carrying out amino functional covalent modification on halloysite nanotubes by using a modified silane coupling agent, then carrying out protonation treatment and carrying out cation exchange on nano montmorillonite grafted with the modified silane coupling agent, and the modified silane coupling agent is prepared by reacting gamma-methacryloxypropyltrimethoxysilane with polyether amine; the modified layered lanthanum phenylphosphonate is prepared by grafting and modifying the surface of the layered lanthanum phenylphosphonate by using a cyclotriphosphazene substitute, the cyclotriphosphazene substitute is prepared by reacting 4-amino-1, 2, 4-triazole with p-hydroxybenzaldehyde and then substituting with phosphonitrilic chloride trimer, and the prepared MPP cable protection tube has the advantages of good tensile property, high impact resistance, high heat resistance, good flame retardancy, good flame retardancy and good flame retardancy. Meanwhile, excellent flame retardance and antibacterial effect are achieved.

The invention discloses a high-mechanical-property flame-retardant diaphragm capable of bearing silicon expansion and a preparation method of the high-mechanical-property flame-retardant diaphragm. The diaphragm comprises a base film and a coating arranged on at least one surface of the base film, the coating is formed by coating and curing mixed slurry, and comprises a polymer, a phosphazene flame retardant, a solid electrolyte, modified silicon dioxide, a wetting agent and a binder. The composite diaphragm has the beneficial effects that through the synergistic effect of the polymer, the phosphazene flame retardant, the solid electrolyte and the modified silicon dioxide, the mechanical strength and the thermal stability of the diaphragm are remarkably improved.

The invention belongs to the technical field of ceramic fiber composite material preparation, and provides a ceramic fiber aerogel felt and a preparation method thereof. A ceramic fiber felt is used as a framework, basic sol is prepared through a sol-gel method, and three additives are introduced: the first additive is a borosilicate oligomer solution used for forming a high-temperature-resistant borosilicate network in a final material; the second one is a Ti-POSS solution which is used as an in-situ precursor of a high-temperature infrared opacifying agent and is used for inhibiting radiation heat transfer of the material at high temperature; the third solution is a phosphazene siloxane solution, so that the material is endowed with intrinsic flame retardance and flexibility; then, functional conversion and ceramization processes are completed through solvent replacement, surface hydrophobic modification, normal-pressure drying and heat treatment, and the obtained ceramic fiber aerogel felt has excellent heat insulation performance and high-temperature structural stability and has important application value in the field of thermal safety protection of high-end power batteries.

The invention belongs to the technical field of organic silicon synthesis, and particularly relates to low-ring-content silicone oil and a preparation method thereof, and the silicone oil comprises the following components in percentage by mass: 92-97% of DMC, 0.2-0.8% of crown ether, 0.5-2% of a phosphazene alkali silicon alkoxide catalyst, 0.4-2% of a phosphosilyl ester neutralizer and 0.35-3.5% of divinyl tetramethyl disiloxane. The novel phosphazene alkali silicon alkoxide catalyst and the phosphoric acid silicon ester neutralizer are adopted, so that the'back-biting 'cyclization phenomenon is greatly restrained in the polymerization process, and the reaction conversion rate and efficiency are improved; the Fe3O4-beta-cyclodextrin composite material is selected as an adsorbent of a ring body, so that the content of cyclosiloxane is reduced, the magnetic recovery rate is high, the thermal stability is high, and the biological safety is better; the volatile component content of the prepared low-ring-content silicone oil is less than 0.2% (150 DEG C / 3h), the ring content (D3-D10) is less than 200ppm, and the ring content meets the requirements of electronics, food and medical levels.

Disclosed are an electrolyte solution for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte solution. The electrolyte solution may include a non-aqueous organic solvent (e.g., a water-insoluble organic solvent), a lithium salt, a first additive including a cesium salt compound represented by Chemical Formula 1-1 or Chemical Formula 1-2, and a second additive including a phosphazene compound represented by Chemical Formula 2. Chemical formula 1-1, chemical formula 1-2 and chemical formula 2

A layered semiconductor device includes a mixed ligand compound comprising: a cyclophosphazene core moiety, a first ligand moiety, and a second ligand moiety. The first ligand moiety and the second ligand moiety are each bonded to the core moiety. A composition comprising a plurality of compounds, each of the plurality of compounds comprising a cyclophosphazene core moiety and at least one ligand moiety bonded to the cyclophosphazene core moiety; the plurality of compounds comprise at least one common ligand moiety.

Thermoplastic compositions include: a. from about 1 wt% to about 70 wt% of a polycarbonate homopolymer component; b. from about 10 wt% to about 40 wt% of a polybutylene terephthalate (PBT) component; c. from about 5 wt% to about 30 wt% of a polycarbonate copolymer component; and d. from about 1 wt% to about 15 wt% of a flame retardant component comprising a cyclic phosphazene compound having an oxaphosphorin ring-containing structure. The compositions have improved heat resistance and flame retardant properties.

Provided is a resin composition including (a) (a-1) a polyphenylene ether-based resin, (a-2) a styrene-based resin, and (a-3) one or more compounds selected from a phosphoric acid ester-based compound and a phosphazene compound, or (a-1) a polyphenylene ether-based resin and (a-3) one or more compounds selected from a phosphoric acid ester-based compound and a phosphazene compound, and (b) a polyarylate resin, wherein a number average molecular weight of the (a-1) component is 1.5×104 to 2.5×104, the glass transition temperature of the (a) component is 100° C. to 145° C., the amount of the (a-3) component is 5 to 40 parts by mass, and the amount of the (b) component is 1 to 12 parts by mass, relative to 100 parts by mass of the (a-1) component or 100 parts by mass of a total of the (a-1) component and the (a-2) component.

The application discloses a preparation method of a flame retardant and an epoxy resin composite material, and the preparation method of the flame retardant comprises the following steps: silane modification is performed on MXene; a MXene dispersion liquid is prepared; a certain amount of a modifier rich in phosphorus-chlorine bonds and an acid-binding agent are dissolved in tetrahydrofuran, and then the MXene dispersion liquid is added into the tetrahydrofuran after complete dissolution; a certain amount of hexachlorocyclotriphosphazene and an organic amine are dissolved in tetrahydrofuran, and then the mixture is slowly added into the mixed liquid after dissolution; after reaction, the product is obtained through filtration, the product is washed with tetrahydrofuran and water for multiple times, and then the product is dried in a vacuum oven to obtain the flame retardant. The prepared flame retardant can achieve better flame retardant performance with less addition amount, and under the condition of the same addition amount, the smoke generation rate peak value and the CO generation rate peak value of the prepared epoxy resin composite material are obviously reduced.

The application belongs to the technical field of lithium ion batteries, and discloses a poly-m-phenylene isophthalamide-based electrostatic spinning flame-retardant separator and application thereof. The m-phenylene isophthalamide-based electrostatic spinning separator, namely PMIA-based electrostatic spinning separator, is prepared by mixing modified PZS microspheres, PMIA and an organic solvent, and then adopting an electrostatic spinning method. The modified PZS microspheres are prepared by in-situ growth of an inorganic layer SiO2 on the surface of polyphosphazene PZS microspheres with flame-retardant properties. The polyphosphazene PZS microspheres are prepared by a polymerization reaction between tannic acid and hexachlorocyclotriphosphazene. The spinning separator prepared by the application has very excellent porosity, liquid absorption rate and ionic conductivity, and good thermal stability and flame retardancy.

The invention relates to the technical field of high polymer materials, and discloses a preparation method of a wear-resistant flame-retardant acrylic resin coating, epoxy cyclotriphosphazene is prepared through an esterification reaction and a click reaction, the epoxy cyclotriphosphazene and silane coupling agent modified silicon dioxide are added into an acrylic coating, and in the high-temperature curing process, the wear-resistant flame-retardant acrylic resin coating is prepared. According to the present invention, the epoxy group contained in the silicon dioxide is subjected to a reaction with the carboxyl group in the matrix, such that the precipitation resistance of the silicon dioxide and the small molecule flame-retardant structure is increased, the comprehensive performance of the coating is improved through the generated cross-linked network structure, and the prepared coating has advantages of excellent flame retardation, excellent wear resistance, excellent impact resistance and the like.

The application belongs to the technical field of sand consolidation agent preparation, and particularly relates to a sand consolidation agent and a preparation method thereof. The sand consolidation agent is composed of component A and component B. The component A is composed of the following raw materials: a diphenyl phenolic epoxy resin, hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene, modified nano calcium zirconate, cage octakis(aminophenyl)silsesquioxane, n-butyl glycidyl ether, KH-550 silane coupling agent, polyether amine, fumed silica and defoaming agent. The component B is composed of the following raw materials: polyborosilazane and 2-ethyl-4-methyl imidazole. The cage octakis(aminophenyl)silsesquioxane in the raw material of the sand consolidation agent strengthens the network structure stability through chemical bonding, the hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene realizes thermal stabilization through chemical bonding and physical dispersion, and the modified nano calcium zirconate provides physical support. The three components synergistically improve the heat resistance of the system.

The invention discloses a preparation method of hexa-naphthyloxy cyclotriphosphazene, which comprises the following steps: adding alkali metal hydroxide into a reaction solvent in which naphthol is dissolved, and reacting at 40-60 DEG C for 20-40 minutes to prevent oxygenolysis so as to prepare an alkali metal naphthol salt solution; the solution is stirred and dropwise added into a reaction solvent containing hexachlorocyclotriphosphazene, the ratio of hexachlorocyclotriphosphazene to the solvent is 1: 20-1: 30, the ratio of naphthol to hexachlorocyclotriphosphazene is larger than or equal to 6: 1, substitution is carried out step by step, after dropwise adding is completed, a reaction is carried out for 12-24 h at the temperature of 80-120 DEG C, and six chlorine atoms are completely substituted by naphthyloxy; filtering reaction liquid, and washing a filter cake with a solvent; and carrying out reduced pressure distillation on the filtrate to recover the solvent, washing the crude product with ethanol to remove an intermediate and an oligomer, washing with water to remove water-soluble impurities, filtering, and drying to finally obtain the high-purity hexa-naphthyloxy cyclotriphosphazene with the melting point of 169 DEG C. According to the method, the high-purity hexa-naphthyloxy cyclotriphosphazene crystal is ensured to be obtained by accurately controlling substitution reaction conditions and a multi-stage purification process.

The invention provides a synthesis method of a quaternary cycloalkane modified O-glucoside compound shown in formula 3, in the presence of a catalyst, a sugar compound shown in formula 1 with exposed hydroxyl and a quaternary tension ring substrate compound shown in formula 2 are subjected to nucleophilic addition reaction in an organic solvent to prepare the quaternary cycloalkane modified O-glucoside compound shown in formula 3: X is H, CF3 or Cl; a is a dioxolane type compound or a pyran type compound; the catalyst is phosphazene base P4-t-Bu, and the specific structural formula is shown in the specification.