88 results about "Inorganic phosphate" patented technology

The invention discloses a method for preparing inositol, particularly relates to a method for converting glucose into inositol through in-vitro multi-enzyme catalysis, and belongs to the field of enzyme catalysis preparation of inositol. According to the invention, the phosphoglucose synthase capable of realizing phosphorylation of glucose by using inorganic phosphate is screened, and the inositol can be generated through conversion by taking glucose as a substrate, so that a novel method for synthesizing the inositol through enzyme catalytic conversion is provided. In addition, the invention further provides hexokinase capable of improving the yield of inositol, and the conversion efficiency of glucose is greatly improved. Furthermore, the invention provides a multi-enzyme molecular machine containing the glucose phosphate synthase and / or hexokinase, the multi-enzyme molecular machine is applied to preparation of inositol, and the reaction steps are simple, green and pollution-free.

The invention provides an electrolyte additive for synergistically regulating and controlling activity and stability of an all-vanadium redox flow battery and application of the electrolyte additive, the electrolyte additive is a composite additive of an organic amino acid compound and inorganic phosphate, the organic amino acid compound is one of aspartic acid, glycine and cysteine, and the inorganic phosphate is one of amino acid, glycine and cysteine. The inorganic phosphate is one or two or more of phosphate, dihydric phosphate, dihydric phosphate, polyphosphate and pyrophosphate, and cations of the inorganic phosphate are one or two or more of potassium, sodium and ammonium salt. The composite additive is used as an electrolyte additive to be added into an all-vanadium redox flow battery electrolyte, so that the vanadium electrolyte can be effectively prevented from generating precipitates at high temperature, the capacity fading in the battery operation process is avoided, and the stable operation of the battery is realized. The preparation process is simple to operate, energy-saving, environment-friendly and low in cost, and stable operation of the electrolyte in the battery can be realized.

The invention provides a long-circulation high-rate negative electrode material as well as a preparation method and application thereof, and belongs to the technical field of negative electrode materials. Silicon powder, tin powder and graphene are compounded and subjected to carbon coating, a three-dimensional conductive network is constructed, volume expansion is relieved, and conductivity, cycling stability and rate capability are improved; tungsten oxide serves as an interface stabilizer to form a protective layer, side reaction is inhibited, interface impedance is reduced, and a conductive network is enhanced; metaphosphoric acid is decomposed to generate an inorganic phosphate protective film, and nitrogen-doped carbon generated by urea decomposition is combined, so that the interface stability and conductivity are remarkably improved, and the cycle life is remarkably prolonged; lithium carbide reacts with vinylidene fluoride to generate a lithium fluorocarbon additive, and lithium ions are released in stages to reduce the first lithium loss and stabilize an interface; a vanadium-based metal-organic framework prepared from ammonium metavanadate and terephthalic acid is combined with pre-embedded lithium and graphitized carbon coating, so that a lithium ion transmission path is optimized, and the performance of the lithium ion battery is improved. The synergistic modification measures improve the long cycle stability and high rate performance of the negative electrode material.

Provided are: a water permeability-imparting agent having excellent foam-preventive properties; and a treatment agent for use in the production of a nonwoven fabric.　This water permeability-imparting agent contains a compound (A) and a compound (B), and also contains at least one component selected from among a compound (C), a compound (D), and an inorganic phosphoric acid (salt) (IN), wherein the acid value of the nonvolatile content in the water permeability-imparting agent is 0.5-450 mgKOH / g, and the ratio [P1 / (P1+P2+P3)] of a peak area of the nonvolatile content in the water permeability-imparting agent as measured by P nuclear NMR is 40-100%.　This treatment agent for use in the production of a nonwoven fabric contains a compound (A) and a compound (B), and also contains at least one component selected from among a compound (C), a compound (D), and an inorganic phosphoric acid (salt) (IN), wherein the acid value of the nonvolatile content in the treatment agent for use in the production of a nonwoven fabric is 0.5-450 mgKOH / g, and the ratio [P1 / (P1+P2+P3)] of a peak area of the nonvolatile content in the water permeability-imparting agent as measured by P nuclear NMR is 40-100%.

The present compositions and methods relate to thermostabilization of phytase with phosphate and increasing the recovery of phytase during the production of heat-treated food or animal feed pellets that contain phytase.

The invention relates to the technical field of detection, in particular to a method for detecting inorganic phosphate ions. In the method, the concentration of the inorganic phosphate ions in the to-be-detected liquid is calculated according to the instantaneous corrosion potential of the iron electrode, the second-level response of inorganic phosphate ion detection can be realized, and the method has the characteristics of rapid detection and real-time online monitoring. According to the method, disordered spontaneous corrosion is not passively observed, but an ideal reaction interface is actively and periodically constructed, and an uncontrollable corrosion process is converted into a stable and reliable analysis signal.

The invention provides a phosphorus release improving type compound fertilizer based on a fungal extracellular polymer, a preparation method and application, and belongs to the technical field of microorganisms, the phosphorus release improving type compound fertilizer is prepared by compounding the extracellular polymer generated by specific rhodotorula mucilaginosa WTSX01 and inorganic phosphate according to the mass ratio of 1: 9; the preparation method comprises the following steps: extracting and purifying high-activity EPS from a strain fermentation broth by a low-temperature dialysis method, separating lipid from EPS as a natural adhesive by a cosolvent extraction method, and finally mixing EPS, lipid and inorganic phosphate. The invention also discloses a synergistic application of the fertilizer and a phosphorus-solubilizing fungus aspergillus niger (CCTCC No. M2023240), so that the release efficiency of phosphorus in soil is improved; the fertilizer provided by the invention provides exclusive nutrition for phosphate-solubilizing microorganisms, effectively overcomes indigenous microorganism competition, remarkably promotes microorganism growth and phosphorus release, and realizes reduction and synergism of phosphate fertilizer and yield increase of crops.

An improved Battery Electric Vehicle heat transfer fluids is made diluting a heat transfer fluid concentrate comprising greater than or equal to 85 weight percent of a freezing point depressant; 20 to 80 ppm of calcium ions; an azole compound; 100 to 250 ppm of an inorganic phosphate; and a polyelectrolyte polymer dispersant, wherein the heat transfer fluid concentrate has a pH of 7 to 9.0 and the weight ratio of polyelectrolyte polymer dispersant to calcium ions is 1 to 3 and the weight ratio of inorganic phosphate to calcium is 2 to 4. For use this concentrate is preferably diluted with deionized water usually 50 / 50. The addition of N-methyl-imidazole provides protection against vapor phase corrosion particularly for ferrous metals.

The invention discloses a tinned steel plate with a chromium-free surface, which comprises a substrate and a tinned layer plated on the surface of the substrate, and the surface of the tinned layer is provided with a passive film; the passivation film contains the following effective elements: Ti with a content of 0.5-6 mg / m < 2 >; the total content of at least one of Mn, Zn and Mo is 1-8 mg / m < 2 >; p having a content of 0.5 to 5 mg / m < 2 >; the content of Si is 0.01 to 0.5 mg / m < 2 >. The invention further discloses a manufacturing method of the tin-plated steel plate. The manufacturing method comprises the following steps: electroplating tin on the surface of the substrate; carrying out tinned layer soft fusion alloying treatment on the tinned steel plate; carrying out electrolytic pretreatment; passivating treatment is conducted, specifically, the surface of the tin-plated steel plate is evenly coated with a chromium-free passivating solution in a dipping and / or spraying mode, and then drying is conducted; wherein the chromium-free passivation solution contains at least one of water-soluble salt of titanium, water-soluble salt of manganese, zinc and molybdenum, inorganic phosphate, silicon-containing oligomer and / or modified silica sol.

The invention discloses a cementing filler and a cementing filling method, and relates to the field of biomineralization technology. The cementing filler comprises a phytic acid hydrolysate, ammonia water and a MgCl2 solution; the phytic acid hydrolysate is obtained by catalyzing and hydrolyzing phytic acid with phytase. The invention utilizes phytase to catalyze the hydrolysis of an organic phosphorus substrate, quickly releases inorganic phosphate ions, and generates magnesium ammonium phosphate precipitation with ammonium ions and magnesium chloride under alkaline conditions. In this process, the generation of magnesium ammonium phosphate requires a weak alkaline environment, so an appropriate amount of ammonia water is used to maintain the weak alkaline environment, and ammonium ions can also be provided to generate magnesium ammonium phosphate. Compared with traditional cement-based cementing filling materials, the cementing filling material formed by the method avoids high energy consumption, high emissions and high alkaline environment, and meets the requirements of low carbon and environmental protection; at the same time, compared with MICP and EICP technologies, it avoids the problems of biological safety and poor stability of cementing filling materials, and meets the requirements of mine filling.

A microbial platform for rare earth element bioaccumulation comprises a bacterial culture, a medium comprising methanol, inorganic phosphate, and a swarf pulp, wherein the platform is selective for bioaccumulation of a rare earth element.

The invention discloses a functional filler, a corrosion-resistant wear-resistant self-repairing inorganic phosphate ceramic coating and a preparation method of the corrosion-resistant wear-resistant self-repairing inorganic phosphate ceramic coating, and belongs to the technical field of material surface modification. The MC-coated Ti < 3 > C < 2 > T < x > MXene corrosion-resistant wear-resistant self-repairing functional material is prepared by adopting a one-pot method, microcapsules embedded with a 1H, 1H, 2H, 2H-perfluorodecyl triethoxy silane repairing agent are generated in situ on the surfaces of Ti < 3 > C < 2 > T < x > MXene nanosheets, and a multi-scale heterostructure constructed by the microcapsules and the Ti < 3 > C < 2 > T < x > MXene nanosheets can effectively improve the interlayer agglomeration problem of the Ti < 3 > C < 2 > T < x > MXene nanosheets, so that the corrosion-resistant wear-resistant self-repairing functional material can be used for repairing the corrosion-resistant wear-resistant self-repairing functional material. And the dispersity and compatibility of the coating in a phosphate binder are greatly improved, so that the wear resistance and corrosion resistance of the coating are improved.

This document describes poultry diets containing phytase polypeptides or fragments thereof, in which the diet contains no or practically no inorganic phosphate.

The application provides a binder, a wide-temperature-range high-temperature lubricating coating and a preparation method, a coating and a coating method thereof. The preparation method of the wide-temperature-range high-temperature lubricating coating comprises the following steps: proportionally adding aminated boron nitride, low-melting-point glass powder, aluminum pigment and anti-wear pigment filler into a crushing device, adding water, crushing and grinding for 12-48 hours to obtain a slurry; adding an aqueous phase dispersion solution of the binder into the slurry, adding water, stirring and mixing, and pre-mixing the coating; and stirring and dispersing the pre-mixed coating to obtain a finished wide-temperature-range high-temperature lubricating coating. The coating adopts boron oxide and fumed silica modified inorganic phosphate resin as the binder, aminated modified hexagonal boron nitride as the main lubricating and anticorrosive filler, low-melting-point glass powder and aluminum pigment as the anticorrosive toughening agent, and other functional fillers and additives, and the coating obtained through high-temperature curing can be used in a wide-temperature-range and has a lower wear rate.

The present invention provides a method for multi-stage classification and recovery of rare earth elements, which mainly uses humic acid, iron (hydr)oxide and inorganic phosphate to conduct multi-stage classification and recovery of a solution containing all partitioned rare earth elements, and solutions relatively rich in light rare earths, medium rare earths and heavy rare earths can be obtained respectively. The present invention can effectively separate and purify all partitioned rare earth ions into solutions rich in light rare earths, rich in medium rare earths and rich in heavy rare earths.

The utility model discloses a fish, mushroom and vegetable symbiotic system, including fishpond, soilless culture box and microbiological treatment component, the bottom of fishpond is provided with waste water discharge port, microbiological treatment component includes aerobic treatment unit and anoxic treatment unit, aerobic treatment unit includes aerobic treatment box, the liquid inlet of aerobic treatment box is communicated with waste water discharge port, and the liquid outlet of aerobic treatment box is communicated with anoxic treatment unit. When the wastewater is discharged into the aerobic treatment box, nitrifying bacteria in an aerobic state convert ammonia nitrogen into nitrate which can be absorbed by plants, and phosphorus-accumulating bacteria uptake phosphorus-containing pollutants in the wastewater and form flocculent sludge; the anoxic treatment unit comprises an anoxic treatment box, a liquid inlet in the anoxic treatment box is communicated with a liquid outlet in the aerobic treatment unit through a first connecting pipe, a filter plate is further arranged in the anoxic treatment unit, after flocculent sludge enters the anoxic treatment box, phosphorus-accumulating bacteria release inorganic phosphate which can be absorbed by plants in an anaerobic state, and the flocculent sludge enters the aerobic treatment box; nitrate and inorganic phosphate penetrate through the filter plate and then enter the soilless culture box.

The invention provides a coated particulate inorganic material comprising: (i) a particulate inorganic material selected from titanium dioxide, doped titanium dioxide and combinations thereof, wherein the particulate inorganic material has an average crystal size of from 0.4 µm to 2µm; and (ii) a coating on said particulate inorganic material, the coating comprising a first layer and a second layer. The material for the first layer is one or more material selected from inorganic oxides and inorganic phosphates, with the inorganic oxide being independently selected from an oxide of: (a) group 4 (IVB) and 12 (IIB) transition metals selected from Ti, Zr and Zn; and (b) group 13 to 15 (IIIA-VA) p-block elements selected from Si, P and Sn; and (c) lanthanides. The inorganic phosphate is independently selected from a phosphate of: (i) group 1 (IA) and 2 (IIA) alkali and alkaline earth metals selected from H, Li, Na, K, Rb, Be, Mg, Ca and Sr; and (ii) group 3 (IIIA) and 4 (IVB) transition metals selected from Sc, Y, Ti and Zr; and (iii) group 13 to 15 (IIIA-VA) p-block elements selected from Al, Ga, In, Tl, Ge, Sn and Pb. The material for the second layer is alumina. The amount of the first layer on the particulate inorganic material is from 0.1 to 2.2% w / w, when considering the total weight of the first layer material with respect to the total weight of the particulate inorganic material. The amount of the second layer on the particulate inorganic material is 0.1 to 3.5% w / w when considering the total weight of the second layer material with respect to the total weight of the particulate inorganic material. The total amount of coating is from 0.2 to 4.5% w / w when considering the total weight of the first and second layer material with respect to the total weight of the particulate inorganic material.

The present invention provides an infrared low-emissivity coating, the raw materials for preparing the coating include an inorganic phosphate adhesive, an infrared low-emissivity filler and a surfactant; wherein the infrared low-emissivity filler is prepared by sintering and ball-milling barium carbonate, strontium carbonate, aluminum oxide and silicon dioxide in sequence. In this solution, the infrared low-emissivity filler is first prepared using barium carbonate, strontium carbonate, aluminum oxide and silicon dioxide as raw materials, and ball-milling is performed on the filler, which is conducive to the synergistic effect of conductivity and crystal vibration, thereby significantly reducing the infrared emissivity of the filler in a high-temperature environment. The infrared low-emissivity filler prepared above is mixed with an inorganic phosphate adhesive and a surfactant, and an infrared low-emissivity coating is prepared by a blade coating method, so that the coating has good temperature resistance and low infrared emissivity at high temperatures.

The present application belongs to the technical field of luminescent materials, and particularly relates to a photoluminescent flexible film and a preparation method and application thereof, the preparation method comprising the following steps: taking compounds corresponding to elements contained in a chemical formula of inorganic phosphate, mixing the compounds according to stoichiometric ratios corresponding to the chemical formula to obtain a mixture; dissolving phenolic aldehyde resin in ethanol, then uniformly mixing the phenolic aldehyde resin with the mixture, drying and solidifying; pre-burning under a protective atmosphere; then heating and calcining in an oxygen-containing atmosphere to obtain a photoluminescent material, loading the material on modified vulcanized silicon rubber to obtain a flexible film. The photoluminescent material and the flexible film prepared based on the material exhibit excellent linear response (R 2 =0.9897) in a high dose range (>200 Gy), information storage stability is more than 50 days, and has good reversible cyclic use performance.

The invention discloses a compound, polydicyclopentadiene resin and a preparation method thereof, and the preparation method of the polydicyclopentadiene resin comprises the following steps: mixing dicyclopentadiene, a regulator, a Grubbs catalyst and a compound of formula (I), and reacting at a first temperature to obtain a product. The preparation method comprises the following steps: mixing a compound shown as a formula (I) with DCPD, a Grubbs catalyst and a regulator to form a composition, and controlling a polymerization process to prepare a material which has excellent mechanical strength and can be controllably degraded under the conditions of acid or alkali and the like. The phosphate group contained in the hydrogel can generate inorganic phosphate after being hydrolyzed, the hydrogel has good biocompatibility, pollution which cannot be degraded by traditional cross-linked macromolecules can be relieved, and degradation products still have good environment-friendly properties.

The invention relates to the technical field of composite materials, and discloses a phosphate-melamine composite coating wall material which comprises an inner phosphate coating layer and an outer melamine coating layer, the inner-layer phosphate coating layer is composed of at least one of ammonium dihydrogen phosphate and zinc phosphate, the inner-layer phosphate coating layer is combined with the surfaces of the coated particles, and the thickness of the inner-layer phosphate coating layer is 0.5-5 [mu] m; the outer melamine coating layer is a continuous compact organic film and coats the outer surface of the inner phosphate coating layer, and the thickness of the outer melamine coating layer is 1-10 microns. By designing a specific double-layer composite structure of a phosphate inner layer and a melamine outer layer, the high temperature resistance and flame retardance of an inorganic phosphate framework and the compact water resistance and high toughness of an organic melamine resin film are ingeniously combined, and the problem of functional limitation of a single wall material is successfully solved; and the wall material has excellent high temperature resistance, water resistance and impact resistance at the same time.

The application discloses a kind of water-based optical discoloration pigments and water-based anti-fake inks, the water-based optical discoloration pigment includes: multilayer alternately stacked reflective layer and dielectric layer group composition optical variable pigment, and sequentially cover inorganic phosphate ester passivation layer and silicon dioxide protective layer on the surface of the optical variable pigment.The water-based optical discoloration pigment and water-based anti-fake ink provided by the application, by special surface treatment to optical variable pigment, on the one hand, reduce or inhibit the oxidation and corrosion of optical variable pigment, optical variable pigment is in the protected state, can retain the discoloration effect to the greatest extent, on the other hand, improve the storage stability of optical variable pigment in water-based ink system, and using special resin and additive system, obtain a kind of water-based anti-fake ink of optical variable that is comparable to oil system effect.

Disclosed in the present invention is a tinplate having a chromium-free surface, comprising a substrate and a tin plating plated on the surface of the substrate. The surface of the tin plating has a passivation film. The passivation film contains the following effective elements: 0.5-6 mg / m2 of Ti; at least one of Mn, Zn, and Mo having a total amount of 1-8 mg / m2 ; 0.5-5 mg / m2 of P; and 0.01-0.5 mg / m2 of Si. Further disclosed in the present invention is a method for manufacturing the tinplate, comprising the steps of: electroplating tin on the surface of a substrate; subjecting the tinplate to a tin plating reflow alloying treatment; performing electrolysis pretreatment; and passivation treatment: uniformly applying a chromium-free passivation solution to the surface of the tinplate by means of immersion and / or spraying, and then drying, wherein the chromium-free passivation solution contains: a water-soluble salt of titanium, at least one of water-soluble salts of manganese, zinc and molybdenum, an inorganic phosphate, a silicon-containing oligomer, and / or a modified silica sol.

The application discloses a wide-temperature-range self-lubricating inorganic phosphate-based adhesive coating and a preparation method and application thereof, and relates to the technical field of wide-temperature-range lubricating coating. The adhesive coating raw material comprises an aluminum phosphate adhesive and a filler; the filler comprises graphite nanosheets, chromium oxide-doped molybdenum disulfide and mullite whiskers. The aluminum phosphate / oxidized chromium-doped molybdenum disulfide / graphite nanosheet / mullite composite lubricating coating is prepared by adopting the air spraying method with the aluminum phosphate adhesive as a matrix and the graphite nanosheets, the chromium oxide-doped molybdenum disulfide and the mullite whiskers as fillers, and can be applied to the lubrication and protection of key moving parts in aerospace.

This invention discloses a cerium-iron-nitrogen-doped carbon nanozyme, its preparation method, and its applications, belonging to the field of environmental pollutant detection technology. The cerium-iron-nitrogen-doped carbon nanozyme disclosed in this invention is composed of a two-dimensional planar iron-nitrogen-carbon support and a surface-loaded hexanuclear cerium cluster catalytic center. This cerium-iron-nitrogen-doped carbon nanozyme possesses advantages such as structural stability, well-defined and diverse catalytic activities, and strong specificity for target analytes. It can efficiently catalyze the characteristic reactions of organophosphorus pesticides by mimicking the activities of various natural enzymes, achieving rapid and highly sensitive detection of these pesticides and efficiently degrading and recovering inorganic phosphates from organophosphorus pesticide residues.

The application discloses a lubricating coating for high-temperature fasteners and a preparation method and application thereof. The lubricating coating is prepared by using inorganic phosphate as a binder, nano boron nitride, silver powder, molybdenum disulfide and tungsten disulfide as composite lubricants, antimony trioxide as an antioxidant, nano silicon dioxide as a phosphate binder reinforcing agent, water and anhydrous ethanol as a dispersion medium, and propargyl alcohol as a corrosion inhibitor. The coating is immersed or sprayed on the fastener, and a coating is formed after a certain curing condition. The coating has good adhesion, flexibility and impact resistance, and has no corrosion defects such as pitting, cracking and bubbling after an acetate salt spray test (AASS) for 240 hours. According to the locking torque test in accordance with HB 7687-2001, the locking torque requirement is met after 15 cycles at room temperature and 5 times of warm loading and then air cooling to room temperature. The application has a good application prospect in the field of high-temperature fastener coatings.

The present invention provides a long-cycle high-rate negative electrode material and its preparation method and application, which belong to the field of negative electrode material technology. By compounding silicon powder, tin powder and graphene and performing carbon coating, a three-dimensional conductive network is constructed to alleviate volume expansion and improve conductivity, cycle stability and rate performance; tungsten oxide is used as an interface stabilizer to form a protective layer, inhibit side reactions, reduce interface impedance and enhance the conductive network; metaphosphoric acid decomposes to form an inorganic phosphate protective film, which is combined with nitrogen-doped carbon generated by urea decomposition to significantly improve interface stability, conductivity and cycle life; lithium carbide reacts with vinylidene fluoride to generate a lithium fluorocarbon additive, which reduces the initial lithium loss and stabilizes the interface by releasing lithium ions in stages; a vanadium-based metal-organic framework prepared from ammonium metavanadate and terephthalic acid is combined with pre-embedded lithium and graphitized carbon coating to optimize the lithium ion transmission path and improve its performance. These synergistic modification measures improve the long-cycle stability and high-rate performance of the negative electrode material.

A method for multi-stage classification and recovery of rare earth elements (REEs) includes the steps of: using humic acid (HA), iron (hydr) oxides and inorganic phosphate to perform multi-stage classification and recovery of a full suite of REE solution, and obtaining a solution rich in light rare earth elements (LREEs), a solution rich in middle rare earth elements (MREEs) and a solution rich in heavy rare earth elements (HREEs).

The invention provides disease-resistant and growth-promoting penicillium oxalicum AF-P1 and application thereof, and belongs to the technical field of microorganisms. The invention provides a penicillium oxalicum AF-P1, and the preservation number of the penicillium oxalicum AF-P1 is CGMCC (China General Microbiological Culture Collection Center) No.41803. The penicillium oxalicum The Penicillium oxalicum AF-P1 has the characteristics of high salt resistance and strong alkali resistance, has the capability of producing siderophores, has the capability of producing acid, has the capability of dissolving inorganic phosphate, can improve the stress resistance of plants, and the like. The Penicillium oxalicum AF-P1 can inhibit the growth of fusarium oxysporum, fusarium oxysporum, pythium miscanthus, Aparis minuta and phomopsis cantoniensis, so that the Penicillium oxalicum AF-P1 is beneficial to prevention and control of plant diseases caused by the pathogenic bacteria. The result of the embodiment shows that the Penicillium oxalicum AF-P1 can be used for preventing and treating rice seedling blight and tomato fusarium wilt.

The invention relates to the technical field of high-temperature-corrosion-resistant protective coatings, in particular to an organic silicon-phosphate interpenetrating network coating as well as a preparation method and a spraying method thereof. The coating comprises the following components in parts by mass: a component A, namely an organic silicon prepolymer, a component B, namely a modified rare earth-functional filler, a component C, namely an inorganic phosphate solution and a component D, namely a water-based curing accelerator, wherein the mass ratio of A to B to C is (30-40): (40-50): (10-20), and D is 1% of the total mass of A, B and C. A flexible organic silicon network and a rigid phosphate network are interpenetrated in a molecular scale to form a Si-O-P-Al-M (M is rare earth, Mg and Zn) hybrid skeleton; meanwhile, rare earth oxide / silicate is introduced to serve as a high-temperature self-healing pinning phase, and rare earth oxygen vacancies are utilized to migrate at high temperature to seal and fill microcracks; a sol-gel and secondary curing process is adopted, three-step gradient curing of normal-temperature condensation, medium-temperature organic crosslinking and high-temperature inorganic ceramization is achieved, and thermal stress is relieved.