106 results about "Vinylsilane" patented technology

The invention relates to the field of adsorption materials, and discloses a lithium ion adsorbent and a preparation method and application thereof. The lithium ion adsorbent comprises a polyvinyl chloride molecular chain and a polymer molecular chain A, wherein the polymeric molecular chain A comprises a structural unit I from crown ether containing vinyl and a structural unit II from a vinyl silane modified lithium ion sieve. The vinyl silane modified lithium ion sieve in the lithium ion adsorbent can be connected with a polymer molecular chain through a chemical bond, so that the lithium ion sieve can be uniformly dispersed on a polymer skeleton, and the lithium ion adsorbent has excellent structural stability, high adsorption capacity and high magnesium-lithium selectivity; and the solution loss rate of the lithium ion sieve is obviously reduced.

The invention relates to the technical field of high polymer materials, and discloses a low-smoke halogen-free irradiation crosslinking polyolefin cable sheath material and a granulation process thereof, the raw materials comprise an ethylene-vinyl acetate copolymer, an ethylene-octylene copolymer, an epoxy group-containing terpolymer and functionalized composite powder, the powder system superfine aluminum hydroxide is subjected to high-temperature grafting through vinyl silane, after cooling, an active coating layer is constructed by zinc methacrylate, active magnesium oxide and a lubricant, and the process adopts matrix resin main feeding, powder side feeding and low-temperature low-shear extrusion, and is subjected to air-cooled die surface hot cutting and electron beam irradiation crosslinking forming. The covalent bond and ionic bond synergistic enhancement mechanism is utilized, the contradiction between mechanical property loss and processing rheological property deterioration is solved under the high filling amount of 137-160 parts, the active components are effectively prevented from being scorched in the early stage, and the material is endowed with excellent tensile strength, elongation at break and surface quality.

The invention belongs to the technical field of coating materials, and particularly relates to an ablation-resistant anti-aging coating on the surface of an aircraft and a preparation method of the ablation-resistant anti-aging coating. A silane coupling agent containing an epoxy group and vinyl and boric acid are used as raw materials, an organic silicon-boron hybrid oligomer with a Si-O-Si and Si-O-B bond stereo structure is obtained by adjusting the ratio of the silane coupling agent to the boric acid and serves as a bridge, and phenolic resin, hydrogen-containing silane and vinyl silicone rubber are combined together to form the ablation-resistant anti-aging coating. Wherein an epoxy group and a phenolic hydroxyl group are subjected to a condensation reaction, vinyl and a platinum catalyst form a compact cross-linked structure through hydrogen-containing silane, and the obtained coating has a lower ablation rate, better anti-UV weather resistance and higher flexibility, is suitable for long-time protection of the surface of an aircraft, and has a better ablation protection effect under shear airflow impact.

This invention relates to a method for producing a stable copolymer composition, comprising adding an organic solvent, an alkyl-alkoxysilane and / or a C1-C9 alcohol, a monomer, and a free radical initiator to a reactor. The copolymer composition is based on a vinyl-branched ester polymer modified with a vinylsilane and a dehydrating agent. The copolymer composition can be formulated to a desired viscosity, can be applied using conventional techniques, and can be optimized for curing as a single-package system at room temperature in the presence of a suitable catalyst.

The invention discloses a wear-resistant anti-icing easy-to-deice coating for power equipment and a preparation method thereof, and relates to the technical field of coatings. The wear-resistant anti-icing easy-to-deice coating for the electrical equipment is prepared from the following raw material components in parts by weight: 40 to 60 parts of water-based fluorocarbon resin dispersion, 5 to 15 parts of perfluorosilane surface modified filler, 3 to 10 parts of light-absorbing heating material, 0.5 to 2 parts of wetting dispersant, 0.2 to 0.6 part of defoaming agent, 0.2 to 1 part of flatting agent, 0.5 to 1 part of anti-aging agent, 15 to 25 parts of deionized water and 12 to 20 parts of water-based isocyanate curing agent. The perfluorosilane surface modified filler is obtained by modifying a filler with a perfluorosilane coupling agent; the light-absorbing heating material is a Fe3O4 / C composite material or a product obtained by further modifying the Fe3O4 / C composite material through a vinyl silane coupling agent and then reacting and grafting with amino-terminated hyperbranched polyamide.

The application provides a high-filler-filled biodegradable material and a preparation method thereof, and belongs to the field of polymer materials.The biodegradable film material comprises the following components: 30-65 parts of PBAT resin, 1-10 parts of PLA resin, 1-5 parts of a plasticizing coupling modifier, 35-55 parts of filler, and 0-1 part of an opening agent.The plasticizing coupling modifier is prepared by copolymerization of raw materials comprising a capped polyester plasticizer, a vinyl silane coupling agent and glycidyl methacrylate under the action of an initiator, and the side chain has a large number of polydiacid-diglycol ester plasticizing groups and silane coupling groups, so that the PBAT resin, the PLA resin and the filler can be combined through hydrogen bonds and chemical bonds, and are fully infiltrated, and the plasticizing coupling modifier also has an epoxy group, which increases the compatibility of the PBAT and the PLA resin.The prepared biodegradable film has a higher filler ratio, a lower cost, fewer film crystal points and good mechanical properties.

The invention relates to the technical field of batteries, in particular to a battery and a power utilization device, and the battery comprises a positive pole piece, a negative pole piece and electrolyte; the positive pole piece comprises a positive current collector and a positive active layer arranged on at least one surface of the positive current collector, the positive active layer comprises a positive lithium supplement agent, and the positive lithium supplement agent comprises at least one of lithium ferrite and lithium nickelate; the electrolyte comprises a first additive, the first additive comprises a compound with a structure shown in a formula (I), R1, R2 and R3 are respectively and independently selected from one of allyl, divinyl methyl silane, vinyl dimethyl silane or trivinyl silane, and at least one of R1, R2 and R3 is selected from one of divinyl methyl silane group, vinyl dimethyl silane group or trivinyl silane group. By adding the first additive into the electrolyte, dissolution of iron ions or nickel ions in the lithium supplement agent is inhibited, the structural stability of the positive electrode lithium supplement agent is enhanced, and the cycle life of the battery is prolonged.

The invention relates to the technical field of sheathed cables, and particularly discloses a high-temperature-resistant fluororubber sheathed cable capable of being vulcanized and bonded and a preparation method of the high-temperature-resistant fluororubber sheathed cable. Fluorosilicon resin and vinyl silane are adopted for modifying a flexible microporous polytetrafluoroethylene film, vinyl silane is adopted for modifying ethylene propylene rubber, and the interlayer bonding performance of the cable is improved; then tetrafluoroethylene-propylene rubber and modified silicone rubber are introduced into 246 type fluororubber, so that the high-temperature mechanical property, modulus and creep resistance of a cable sheath layer are improved, and the cable which is good in interlayer bonding property and still has good performance in a high-temperature and high-pressure extreme environment is formed.

The application discloses a bisoxazoline pyridine functionalized porous organic polymer and preparation and application thereof; firstly, a styryl functionalized PyBox monomer (VPyBox) is designed and synthesized, and VPyBox, styrene and divinylbenzene are subjected to free radical polymerization under initiation of azobisisobutyronitrile in a certain proportion to obtain a series of porous organic polymers (POP-PyBox); the POP-PyBox can be used as a solid N , N , N tridentate ligand for Co-catalyzed hydrosilylation of arylalkynes with diphenylsilane; the heterogeneous catalyst system developed by the application has a catalytic activity comparable to that of a homogeneous catalyst reported in the literature, and the catalyst is easy to separate and recover; the recovered catalyst can be recycled for more than 6 times, which can not only greatly reduce the preparation cost of vinylsilane, but also simplify the post-treatment process and reduce the three wastes, and has a good practical application prospect.

The application discloses a polyurethane adhesive containing phosphorus-silicon synergistic flame-retardant structure, which is prepared from the following raw materials in parts by weight: polyol 50-80 parts, isocyanate 20-40 parts, end-hydroxyl phosphorus-silicon synergistic flame-retardant structure monomer 5-20 parts, chain extender 2-8 parts, and catalyst 0.1-1 part; the end-hydroxyl phosphorus-silicon synergistic flame-retardant structure monomer is a dihydric alcohol compound containing phosphorus and silicon, which is prepared from 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and vinyl silane as main raw materials, and the general formula of the molecular structure is HO-R-Si(OR')3; wherein R is an organic chain segment containing a DOPO structural unit, and R' is methyl or ethyl. The application synthesizes a phosphorus-containing dihydric alcohol with a clear structure and a hydrolysable silane group, and prepares a main-chain phosphorus-silicon-containing intrinsic flame-retardant polyurethane through a copolymerization mode by taking the dihydric alcohol as a reactive monomer.

The invention relates to the technical field of functional current collectors, in particular to a corrosion-resistant PP functional current collector and a preparation method and application thereof. The preparation method of the corrosion-resistant PP functional current collector comprises the following steps: S1, carrying out plasma treatment on a PP base film, and carrying out modification treatment on the PP base film by adopting a vinyl silane coupling agent to obtain a pretreated PP base film; s2, carrying out modification treatment on the pretreated PP base membrane by adopting a fluorine-containing cross-linking agent to obtain a modified PP base membrane; and S3, depositing a metal layer on the modified PP base film to obtain the corrosion-resistant PP functional current collector. The corrosion-resistant PP functional current collector can be used as a current collector in a lithium ion battery.

The invention relates to the technical field of liquid silicone rubber, and particularly discloses a wear-resistant liquid silicone rubber composite material and a preparation method thereof. The composite material comprises a component A and a component B, wherein the component A comprises vinyl-terminated silicone oil, nano aluminum oxide double-modified by a polyhydroxy polymer and a vinyl silane coupling agent, and a platinum catalyst; the component B comprises vinyl-terminated silicone oil, hydrogen-containing silicone oil, an inhibitor and active polysilazane, the active polysilazane is modified polysilazane containing vinyl or epoxy group, and the active group of the active polysilazane can chemically react with the active group on the surface of the modified nano aluminum oxide to form a chemically bonded interface transition layer. According to the invention, through a dual modification strategy and introduction of active polysilazane, a chemically bonded rigid-flexible bicontinuous network structure is constructed, so that the wear resistance of the composite material is improved while excellent tensile strength, tear strength and elongation at break are maintained.

The application provides a transparent flexible double-crosslinked silicon-based modified cellulose aerogel and a preparation method thereof. Vinyl silane and methyl silane are used as precursors, a double-crosslinked method of radical polymerization / hydrolysis polycondensation is adopted, a polysiloxane homogeneous sol is prepared, a cellulose gel is immersed in the homogeneous sol, and finally the supercritical drying process is performed to prepare the aerogel of the application. Due to the double-crosslinked structure of radical polymerization and hydrolysis polycondensation, the aerogel has good transparency and strength. Meanwhile, the introduction of methyl silane and the unique characteristics of cellulose endow the aerogel with good hydrophobic property and excellent flexibility. In addition, the aerogel material has an extremely low thermal conductivity, and the heat preservation and insulation performance is far superior to that of traditional heat preservation materials, so that the aerogel has a broad application prospect in the fields of heat preservation and insulation and transparent glass.

This invention relates to the field of chemical grouting materials technology, and particularly to a method for preparing nano-silica sol grouting suitable for high-temperature conditions. The aim is to solve the problems of existing grouting materials being unusable at high temperatures, and the low gel strength and uncontrollable gel rate of single silica sols at high temperatures. This invention provides a method for preparing nano-silica sol grouting suitable for high-temperature conditions, comprising the following steps: Step 1: Surface modification of small-particle-size spherical nano-silica sol with vinylsilane to graft carbon-carbon double bonds onto its surface, obtaining modified nano-silica sol; Step 2: Adding water-soluble vinyl monomers and an initiator to the modified nano-silica sol; Step 3: Adding an appropriate amount of gelation promoter to obtain a high-strength grouting material with controllable gelation time at 70-120℃.

A polymer electrolyte separator, a preparation method therefor, and a use thereof. The polymer electrolyte separator comprises an electrolyte salt, a polymer, and an inorganic filler modified by a modifying agent. The modifying agent comprises one or more of: 3-glycidyloxypropyltriethoxysilane, 3-glycidyloxypropylmethyldimethoxysilane, 3-glycidyloxypropylmethyldiethoxysilane, [8-(glycidyloxy)-n-octyl]trimethylsilane, dimethoxymethyl-3-methoxypropylsilane, 3-glycidyloxypropyldimethylethoxysilane, and a vinyl silane coupling agent. The polymer electrolyte separator has both excellent electrical conductivity and structural stability, facilitating improvement of the electrochemical performance and cycle life of batteries.

The invention relates to the technical field of ceramic-based composite materials, in particular to a preparation method of a two-dimensional C / SiC composite material with a short compact period, which comprises the following steps: mixing silicon carbide ceramic powder with water, ball-milling, placing in a potassium hydroxide solution, then placing in a vinyl silane coupling agent solution, and carrying out modification reaction to obtain vinyl modified silicon carbide particles; dissolving polycarbosilane, vinyl polycarbosilane and a peroxide initiator in normal hexane, and then adding the vinyl modified silicon carbide particles to obtain a coating precursor; compounding the coating precursor and the carbon fiber fabric into a prepreg by adopting slit type coating; laminating, curing and cracking the prepreg; and repeating the lamination curing and cracking steps for 1-3 times to obtain the two-dimensional C / SiC composite material. According to the preparation method disclosed by the invention, the two-dimensional C / SiC composite material with high compactness and excellent mechanical properties can be obtained by only 1-3 times of curing-cracking, and the preparation method has the characteristics of short preparation period, low cost and excellent mechanical properties.

The invention discloses a coating material for an optical fiber, a preparation method of the coating material, an optical fiber insulator and a preparation method of the optical fiber insulator. The coating material is prepared from the following raw material components in parts by weight: 40-60 parts of tetrahydrofuran acrylate, 30-50 parts of carboxyl modified polyurethane acrylate oligomer, 5-15 parts of organic silicon modified epoxy acrylate bifunctional coupling agent, 2-5 parts of vinyl silane surface modified SiO2 nano-particles, 1-5 parts of organic silicon modified epoxy acrylate, 1-5 parts of organic silicon modified epoxy acrylate, 1-5 parts of organic silicon modified epoxy acrylate, 1-5 parts of organic silicon modified epoxy acrylate and 1-5 parts of organic silicon modified epoxy acrylate. 0.1 to 1 part by weight of a triaryl sulfonium hexafluoroantimonate cationic initiator and 0.5 to 4 parts by weight of a TPO free radical photoinitiator. According to the embodiment of the invention, active chemical bonding of the optical fiber coating layer and the alicyclic epoxy resin sheath is realized through the organic silicon modified epoxy acrylate bifunctional coupling agent in the coating layer, and mismatch of physical gaps and thermal stress of a multi-material interface is reduced; therefore, the interface strength, the internal insulation performance and the long-term reliability of the optical fiber insulator can be fundamentally improved.

The application provides a high-transparency silicone rubber material and a preparation method thereof. The silicone rubber material comprises the following raw materials in parts by mass: 100 parts of methyl vinyl phenyl rubber, 10-30 parts of modified white carbon black, 3-5 parts of vinyl MQ silicone resin, 4-6 parts of polymethyl hydrogen siloxane, 1-1.5 parts of vinyl hydroxyl silicone oil and 0.001-0.003 parts of platinum catalyst. The modified white carbon black is obtained by grafting benzotriazole silane coupling agent and silicone oil onto the modified white carbon black. The benzotriazole silane coupling agent is obtained by urethane reaction of hydroxy benzotriazole compound and isocyanate silane coupling agent. The silicone oil grafting silane coupling agent is obtained by addition reaction of hydrogen-terminated polydimethylsiloxane and vinyl silane coupling agent. The silicone rubber material has good transparency and light stability.

A crosslinked polyolefin separator which has gels with a longer side length of 50 μm or more in a number ranging from 0 to 3 per 1 m2 of the separator, and shows a standard deviation of absorbance ratio between the center of the separator and the side thereof ranging from 0.01 to 0.5 is provided. A method for manufacturing the crosslinked polyolefin separator is also provided. The method includes (S1) preparing a polyolefin porous membrane, and (S2) applying a coating solution containing an initiator and alkoxy group-containing vinylsilane onto at least one surface of the porous membrane. The coating solution can permeate even to the inside of exposed pores. Thus, it is possible to provide a crosslinked polyolefin separator in which silane crosslinking occurs uniformly even inside of the pores.

The invention discloses a synthesis method of a high-purity benzocyclobutenyl organosilicone monomer for semiconductor packaging resin, which specifically comprises the following steps: by taking vinyl silane and 4-bromobenzocyclobutene as reaction raw materials, firstly preparing benzocyclobutene-vinyl silane through Heck reaction, and then preparing benzocyclobutene-vinyl silane by taking a Meerwein reagent as a medium and potassium carbonate as an additive, thereby obtaining the high-purity benzocyclobutenyl organosilicone monomer for semiconductor packaging resin. And carrying out mild reaction in a polar aprotic solvent to directly prepare the high-purity benzocyclobutene organic silicon monomer tetramethyl divinyl siloxane dibenzocyclobutene. Compared with the traditional preparation method, the method has the advantages of wide reaction raw material source, low price, few reaction steps and high yield in synthesis, and the reaction is beneficial to the high purification process of the monomer, so that the method is more suitable for industrial batch production.

The invention relates to the technical field of insulated cables, in particular to a parallel cluster type overhead XLPE insulated cable and a preparation method thereof.The parallel cluster type overhead XLPE insulated cable comprises a cable core and an insulating layer, and the insulating layer is made of an XLPE insulating material; the XLPE insulating material is prepared from the following raw materials in parts by weight: 90 to 130 parts of polyethylene composite resin, 9 to 13 parts of end-side double-hydrogen-containing silicone oil, 3 to 7 parts of polyvinyl silicone oil, 3 to 6 parts of compatilizer, 0.01 to 0.05 part of platinum catalyst, 4 to 7 parts of vinyl silane coupling agent, 8 to 13 parts of peroxide initiator, 1 to 5 parts of antioxidant, 7 to 12 parts of catalyst and 0.5 to 3 parts of water absorbent. The anti-aging cable has the advantage of improving the anti-aging performance of the insulating layer of the cable.

The invention provides heat-aging-resistant silicone rubber and a preparation method and application thereof, and the silicone rubber is prepared from the following raw materials in parts by mass: 100 parts of methyl vinyl silicone rubber, 30 to 50 parts of filler, 0.3 to 0.8 part of tetraethoxysilane, 0.5 to 2 parts of vinyl silane coupling agent, 0.5 to 2 parts of styrene-trialkoxysilane substituted cyclotriphosphazene and 4 to 6 parts of polymethylhydrosiloxane. 1 to 1.5 parts of vinyl hydroxyl silicone oil; 0.001 to 0.003 part of platinum catalyst. Tetraethoxysilane, a vinyl silane coupling agent and styrene-trialkoxysilane substituted cyclotriphosphazene are synergistically introduced into a silicone rubber system, and a multistage silica-phosphorus-nitrogen composite bonding structure is constructed in situ between the filler surface and a silica main chain in the crosslinking and curing process. The interface stability and thermochemical inertness of the material can be remarkably improved, so that the thermal aging resistance of the silicon rubber in a high-temperature oxidation environment is improved.

The application discloses a water-oxygen barrier coating for flexible OLED and a flexible OLED packaging film. The coating comprises pressure-sensitive adhesive, barrier filler and hydrophobic modifier; the hydrophobic modifier is prepared from hydrogen-terminated polysiloxane, vinyl silane coupling agent, tetramethylcyclotetrasiloxane and unsaturated alkenyl monomer with a molar ratio of 1:2-2.2:7-12:7-13; the hydrogen-terminated polysiloxane and the vinyl silane coupling agent are subjected to hydrosilylation to obtain a first intermediate, then the first intermediate is subjected to ring-opening polymerization with the tetramethylcyclotetrasiloxane to obtain a second intermediate, then the second intermediate is subjected to hydrosilylation with the unsaturated alkenyl monomer to obtain the hydrophobic modifier; the unsaturated alkenyl monomer comprises epoxy acrylate monomer and alkenyl sulfonate monomer with a molar mass ratio of 2-3:2-4. The OLED packaging film has high flexibility and low water-oxygen permeability.

This invention provides a drilling fluid inhibitor composition, its preparation method, and its application. The drilling fluid inhibitor composition, by mass fraction, comprises: 20-50% small molecule organic amine, 10-20% organosilicon cationic copolymer, 20-40% aminosilane, and the remainder being water. The organosilicon cationic copolymer is obtained by copolymerization of acrylamide, cationic monomer, and vinyl silane agent, with a viscosity-average molecular weight of 5000-100000 and a cationic content of 10-40% (wt). This drilling fluid inhibitor composition utilizes a combination of large and small molecules to achieve intercalation and encapsulation of clay and rock cuttings, effectively inhibiting the hydration and dispersion of clay and rock cuttings. A 0.4% addition achieves an inhibition rate ≥93%, and a 1% addition achieves a rock cuttings rolling recovery rate ≥90%. The molecular structure does not contain ether or ester bonds, exhibiting high temperature resistance up to 240℃. It binds to clay and rock cuttings through both physical and chemical adsorption, overcoming the disadvantage of high-temperature desorption, with an adsorption retention rate ≥96% at 240℃.

The invention discloses an organic silicon surface treating agent and a preparation method thereof, and a flame-retardant heat-conducting polycarbonate composition and a preparation method thereof. The organic silicon surface treating agent comprises the following raw materials in parts by weight: 500-1000 parts of low-viscosity hydrogen-containing silicone oil; 5 to 150 parts of vinyl silane; 0.05-1 part of an inhibitor; 0.1-1 part of a catalyst; wherein the viscosity of the low-viscosity hydrogen-containing silicone oil at room temperature is 125-145 cp, and the hydrogen content of the low-viscosity hydrogen-containing silicone oil is 0.5-1.5 wt%. Compared with the prior art, the organic surface treating agent provided by the invention has the characteristics of good dispersity and good stability, the polycarbonate composition obtained by modification of the organic surface treating agent not only retains excellent electrical insulating property and mechanical property of polycarbonate, but also effectively improves flame retardance and thermal conductivity, and is environment-friendly, halogen-free and low in cost. And the heat-dissipating material is suitable for insulation and heat dissipation in high-performance electronic equipment.

The invention relates to the technical field of drum paper adhesion, in particular to a silica gel material composition for drum paper adhesion and an adhesion method of the silica gel material composition for drum paper adhesion, and the silica gel material comprises the following components in parts by mass: 100 parts of methyl vinyl silica gel; 40 to 60 parts of MQ silicon resin; 20 to 30 parts of silicone oil; 15 to 25 parts of polyisobutene; 1.5 to 3.0 parts of a vinyl silane coupling agent; 20 to 40 parts of gas-phase white conductive carbon black; 5 to 15 parts of conductive carbon black; 0.8 to 1.5 parts of 2, 5, 6, 6-tetramethyl-2, 5, 6- The silica gel material has the advantage of being good in viscosity, and the silica gel material is applied to drum paper adhesion through the adhesion step, so that the service life of a loudspeaker is prolonged.

The invention discloses a modified hollow glass bead, a preparation method thereof and a PP-R pipe, and belongs to the technical field of PP-R pipes. According to the modified hollow glass bead, the surface of the hollow glass bead is sequentially coated with a silicon dioxide mineralization layer and a vinyl-containing siloxane layer, the silicon dioxide mineralization layer is generated on the surface of the hollow glass bead in a mode of inducing sodium silicate hydrolysis through silicate bacteria fermentation, and the average thickness of the silicon dioxide mineralization layer is 45-105 nm. The silicon dioxide mineralization layer can effectively hinder heat transfer, further improve the thermal insulation performance of the hollow glass beads and provide binding sites of the vinyl silane coupling agent, so that the dispersity of the hollow glass beads in a polymer matrix is improved.

The invention relates to the technical field of rubber materials, and particularly discloses a sulfur-containing double-interface coupling agent and a rubber composition thereof. The sulfur-containing double-interface coupling agent provided by the invention is prepared by copolymerization of sulfur, a bio-based monomer and a vinyl silane monomer. On one hand, the synthesized sulfur-containing double-interface coupling agent has good stability, and can simultaneously react with the carbon-based filler and the white carbon black by virtue of hydroxyl, carboxyl, ester group and alkoxysilyl group, so that the dispersity and interface action of the carbon-based filler and the white carbon black in a rubber matrix can be synchronously improved; the mechanical property and viscoelasticity of the rubber material can be greatly improved. The method is wide in application range, low in cost and easy to industrialize, and has good economic benefits and social benefits.

The application relates to the technical field of chemical solid waste resource utilization and water-based paint, and particularly discloses a process for preparing a water-based conductive primer from TDI production waste, wherein the TDI waste is first pretreated through acidolysis and oxidation, then modified by using a self-prepared vinyl silane oligomer and ground to obtain a water-based slurry; the water-based slurry is used as a seed to coat acrylate monomers through in-situ emulsion polymerization to form a core-shell structure conductive emulsion as a component A; meanwhile, phosphoric acid, phytic acid and the like are compounded to form a component B; and the two components are mixed in proportion and coated during use. The application realizes high-value and resource utilization of the TDI chemical solid waste, and the production process is green and clean; the prepared water-based primer has excellent adhesion, and through construction of a triple synergistic protection system, the composite coating is endowed with excellent long-acting corrosion resistance and storage stability; the VOC content of the whole system is extremely low, and the system is environment-friendly.

The invention discloses a ferrite composite material and a preparation method thereof, and belongs to the technical field of magnetic materials, the composite material comprises the following raw materials: vinyl silane treated magnetic powder, glycidyl furfuryl ether, epoxy resin and a disulfide bond-containing anhydride curing agent, the mass ratio of the vinyl silane treated magnetic powder to the epoxy resin is 100: 3-4; the addition amount of the glycidyl furfuryl ether is 10-15% of the mass of the epoxy resin. Wherein the addition of the glycidyl furfuryl ether can reduce the low viscosity in the preparation process, and the furfuryl glycidyl ether is used as a monofunctional reactive diluent to effectively dilute and lubricate the macromolecular chain of the epoxy resin and reduce the flow resistance of the system; disulfide bonds contained in the curing agent and furyl and vinyl in a system form a reversible DA network and dynamic disulfide exchange at the forming temperature, so that the local viscosity is reduced, the flowability of the ferrite composite material at the forming temperature is improved, magnetic powder filling and rearrangement are sufficient, and the magnet density and the magnetic performance of the ferrite composite material are improved.