4556 results about "Hydrophobe" patented technology

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

A blood pump with a stator and rotor wherein the rotor is assembled by bonding the stator components with epoxy. The bonding surfaces of the rotor components are primed with a silane-based primer to improve adhesion between the primer and the rotor components by rendering such surfaces hydrophobic. A bonding surface of one of the stator yoke or the stator sleeve, or both, is treated with a primer that improves wettability of the bonding surface and improves bonding of the epoxy to the binding surface. The device has a bonding surface adhered to epoxy in which a primer was applied on such bonding surface prior to introducing epoxy onto the bonding surface. In addition to improved bond strength, hydrophobic surface would control moister ingress.

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

The application relates to the technical field of thermal insulation materials, and discloses an aerogel thermal insulation material and a preparation method thereof. A polysiloxane derivative containing nitrogen and phosphorus flame-retardant elements in a structure is prepared as a polymer crosslinking monomer, chemical crosslinking is carried out with corn starch, a crosslinked gel liquid is formed, and the corn starch-based aerogel thermal insulation material can be prepared through a freezing and drying process. The corn starch-based aerogel thermal insulation material prepared through the chemical crosslinking method has a uniform pore structure, has the characteristics of aerogel, and has the characteristics of good thermal insulation effect, high mechanical strength, strong hydrophobicity, excellent flame-retardant performance and the like by introducing the flame-retardant elements such as nitrogen, phosphorus and silicon and the hydrophobic Si-O bond into the aerogel structure, so that the further application of the aerogel thermal insulation material in building thermal insulation materials is facilitated.

The invention discloses a preparation method and application of a hydrophobic core-shell structure catalyst, and the method comprises the following steps: adding a metal oxide and a surfactant into a first solvent to obtain a first dispersion liquid; adding an alkaline solution and a silicon source into the first dispersion liquid to obtain a first turbid liquid; calcining the first turbid liquid to obtain a porous core-shell material of silicon dioxide coated metal oxide; adding the porous core-shell material into a third solvent to obtain a second suspension; and adding an alkaline solution and a silane agent into the second turbid liquid to obtain the hydrophobic core-shell structure catalyst of the hydrophobic silicon dioxide coated metal oxide. The oxidation reaction of the inner core of the silicon dioxide layer does not destroy hydrophobic groups on the outer layer, so that the hydrophobic performance is maintained for a long time, organosilane is grafted on the surface of the silicon dioxide shell layer, inhibition of water vapor on the activity of the catalyst is reduced, and competitive adsorption of water vapor and reaction gas is prevented; the activity and the service life of the catalyst under high-temperature and high-humidity conditions are effectively improved.

The invention discloses an amphiphilic chitosan and plant nanocellulose composite coating fresh-keeping material, which is prepared from the following ingredients in percentage by mass: 0.5 to 20 percent of amphiphilic chitosan, 0.1 to 5.0 percent of plant nanocellulose, 0.5 to 10.0 percent of coalescing agents, 0.1 to 3.0 percent of antioxidants and the balance deionized water. Wherein the amphiphilic chitosan is prepared from chitosan, quaternary phosphonium salt and sorbic acid. Amphipathic chitosan of the material has hydrophilic groups such as amino and carboxyl and a sorbate hydrophobic group, has hydrophilicity and hydrophobicity at the same time, and is extremely easy to combine with substances such as a coalescing agent, plant nanocellulose and an antioxidant to form a stable polymeric membrane layer, so that the mechanical property after membrane formation is remarkably improved, and the material has a good application prospect. Meanwhile, the plant nanocellulose particles can be stably coated in the polymeric membrane material layer, so that the mechanical property of the material is enhanced, and lasting and efficient antibacterial and antioxidant effects are realized. The invention further discloses a preparation method and application of the amphiphilic chitosan and plant nanocellulose composite coating fresh-keeping material.

The invention relates to a covalent organic framework / melamine-based sponge composite material as well as a preparation method and application thereof. The covalent organic framework / melamine-based sponge composite material comprises melamine sponge and a covalent organic framework material, the covalent organic framework material is prepared by reacting an amino monomer with an aldehyde group monomer; the aldehyde group monomer is an aldehyde group monomer containing hydroxyl. The composite material based on the covalent organic framework / melamine sponge combines the excellent hydrophobicity of the covalent organic framework and the high porosity of the melamine sponge, so that the composite material has extremely high adsorption capacity on oil, repels moisture, has an excellent oil-water separation effect and can realize efficient oil-water separation.

The invention discloses a silicon dioxide reinforced high-hydrophobicity polyvinylidene fluoride membrane as well as a preparation method and application thereof, SiO2 nanoparticles are taken as a mechanical reinforcing agent and a structure regulator and are directly added into a membrane casting solution system, and solid-liquid phase separation is preliminarily induced on the surface of a primary membrane in combination with non-solvent spraying ethanol, so that the high-hydrophobicity PVDF membrane is successfully prepared. A unique multi-stage micro-nano structure consisting of mutually connected spherocrystals is constructed on the surface of the membrane, the hydrophobicity, aperture, porosity and mechanical property of the membrane are effectively improved, and the membrane shows excellent and stable separation performance in performance tests of seawater desalination and erythritol concentration, and has good application prospects in seawater desalination and erythritol concentration. The method shows huge application potential in the fields of wastewater treatment, food production and the like.

The invention discloses high-performance modified calcium carbonate and application thereof in a breathable film. The modified calcium carbonate is prepared by combining a three-element composite modification system composed of stearic acid, titanate and a silane coupling agent with a disc-nest mill three-stage gradient grinding process and antibacterial-hydrophobic dual-functionalization treatment of silver-loaded hydroxyapatite and a fluorinated modifier. The indexes of the prepared modified calcium carbonate are as follows: the median particle size (D50) is 1.8-2.2 mu m, the particle size (D97) of 97% particles is less than 6.5 mu m, the particles with the particle size of 1-5 mu m account for more than 60%, and the particles with the particle size of more than 10 mu m are less than 100 ppm; the content of calcium carbonate exceeds 97%, and the content of harmful impurities such as Fe is less than 200ppm; the whiteness is higher than 95; the oil absorption value is less than 12.5%, and the water content is less than 0.18%. When the composite material is applied to the breathable film in the medical field, the mechanical property, the antibacterial property and the hydrophobic property of the breathable film can be remarkably improved, the special requirements of the medical field on the breathable film are effectively met, and the composite material has good application prospects and industrial value.

The invention relates to the technical field of oil and gas field exploitation, and discloses a drag reducer for a multifunctional fracturing fluid and a preparation method thereof.The preparation method of the drag reducer for the multifunctional fracturing fluid comprises the steps that acrylic acid, acrylamide, 2-acrylamido-2-methylpropanesulfonic acid and modified itaconic acid are added into deionized water, stirring and mixing are conducted, and the drag reducer for the multifunctional fracturing fluid is obtained. Nitrogen is introduced for 30-40 min to remove oxygen, then azobis (isobutylamidine) hydrochloride is added, the mixture is stirred to react for 48-72 h at the temperature of 45-50 DEG C, and a polymer solution is obtained; and directly and uniformly mixing the polymer solution, the compatilizer and the modified nano silicon dioxide, and reacting in a magnetic stirrer at 60-70 DEG C for 1.5-2 hours to obtain the drag reducer for the multifunctional fracturing fluid. The drag reducer has a good drag reduction effect, and the hydrophobicity, the temperature resistance, the salt resistance and the shear resistance are improved.

The invention discloses a super-hydrophobic road ice-inhibiting coating based on a photothermal effect and nano modified particles and a preparation method of the super-hydrophobic road ice-inhibiting coating. The preparation method comprises the following steps: introducing silane modified nano silicon dioxide (SiO2) and titanium dioxide (TiO2) particles into a polyaniline solution, and preparing the composite super-hydrophobic powder through a chemical oxidation polymerization method. The preparation method comprises the following steps: firstly, modifying the surfaces of SiO2 and TiO2 nanoparticles by adopting a silane coupling agent, and endowing the SiO2 and TiO2 nanoparticles with low surface energy and hydrophobic property; and then adding the modified nano-particles into an aniline monomer solution, reacting with doped acid and an oxidizing agent, so that polyaniline molecules are subjected to in-situ polymerization on the surfaces of the particles, and the composite super-hydrophobic powder with a micro-nano structure is formed. The obtained composite material has excellent photothermal conversion performance and super-hydrophobic performance at the same time, and the efficient photothermal material heat absorption ice melting effect and the synergistic ice restraining effect of the photothermal material and the super-hydrophobic material can be achieved. Compared with a traditional ice-inhibiting coating, the coating disclosed by the invention shows stronger ice-resisting capability in a low-temperature and high-humidity environment, has good durability, mechanical stability and environmental protection property, and is suitable for the field of ice prevention and ice inhibition in cold regions such as roads, bridges, airport runways and the like.

The invention belongs to the technical field of functional Pickering emulsion preparation, and particularly discloses a silk fibroin nanoparticle-stabilized biphase drug-loaded Pickering emulsion and an antibacterial application thereof. The curcumin-loaded silk fibroin nanoparticles Cur-SFNPs with uniform form and size are prepared by using an anti-solvent precipitation method. In order to improve the antibacterial effect of the Pickering emulsion, the Cur-SFNPs is utilized to stabilize the soybean oil loaded with resveratrol, and the oil-in-water type Pickering emulsion is prepared. The Pickering emulsion prepared by taking Cur-SFNPs as a stabilizer has the characteristics of small particle size, uniform distribution, storage stability, heating stability, freeze-thaw stability, food safety and environmental friendliness. And as a two-phase drug-loaded emulsion, two natural hydrophobic active drugs are loaded at the same time, so that the solubility and bioavailability of the emulsion can be enhanced, the loaded active substances play a synergistic antibacterial and antioxidant role, and the emulsion can be applied to food preservation.

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

The invention provides a high-hydrophobicity anti-pollution flashover coating and a preparation method thereof, and relates to the field of coatings. The silicone rubber composition is prepared from the following raw materials in parts by weight: 80 to 100 parts of hydroxyl-terminated polydimethylsiloxane; 5 to 15 parts of modified nano silicon dioxide; 10 to 30 parts of a composite self-repairing microcapsule; 10 to 25 parts of a flame retardant; 3-8 parts of a cross-linking agent; 0.5-2 parts of a catalyst; 1-5 parts of an accelerant; 40 to 100 parts of a solvent; the modified nano silicon dioxide is fumed silica subjected to surface treatment by a fluorine-containing silane coupling agent and a platinum catalyst; the capsule wall of the composite self-repairing microcapsule is a polylactic acid-glycolic acid copolymer, and the capsule core of the composite self-repairing microcapsule is a mixed solution of a hydroxyl-terminated polydimethylsiloxane oligomer and methyltris (methylethylketoximino) silane. The coating has excellent hydrophobicity, weather resistance and targeted repair function.

The invention relates to a Janus flexible super fabric capable of dynamically regulating and controlling infrared emissivity as well as a preparation method and application of the Janus flexible super fabric, and belongs to the technical field of high-performance fiber products. In order to solve the problem that the existing fabric capable of dynamically regulating and controlling the infrared emissivity cannot realize stepless wide-range infrared reflectivity dynamic regulation and control, the invention provides a Janus flexible super fabric capable of dynamically regulating and controlling the infrared emissivity, which has a sandwich structure, the hydrophobic nanofiber thin film layer, the low-emissivity coating and the hydrophilic nanofiber thin film layer are sequentially arranged from bottom to top. An anti-gravity unidirectional carrier transfer channel is constructed through surface binding energy difference of hydrophilic-hydrophobic Janus porous fabrics on two sides, a hydrophilic low-emissivity coating with ultralow infrared emissivity and the Janus porous fabrics form a sandwich structure, dielectric constants are adjusted through continuous and reversible change of carrier content, and accordingly, the infrared emission performance of the fabric is improved, and the infrared emission performance of the fabric is improved. Stepless regulation and control of humidity response self-adaptive ultra-wide range infrared emissivity at normal temperature are realized.

The invention discloses a surface-enhanced tryptophan modified nanofiltration membrane as well as a preparation method and application thereof. Belongs to the field of water treatment membrane preparation. The invention aims to solve the technical problems of non-uniform pore size distribution and surface hydrophobicity of the conventional nanofiltration membrane. The method comprises the following steps: adding tryptophan into a piperazine water-phase solution, and carrying out interfacial polymerization with oil-phase trimesoyl chloride to prepare the tryptophan modified nanofiltration membrane. According to the preparation method, the diffusion rate of the piperazine monomer can be adjusted in the interfacial polymerization process by utilizing a similar surfactant structure of tryptophan, meanwhile, the tryptophan has hydrophilicity and can improve the hydrophilicity of the surface of an active layer, and the prepared modified nanofiltration membrane is reduced in molecular weight cut-off, improved in surface hydrophilicity and good in water resistance. The retention rate of organic micro-pollutants is improved, and meanwhile, good anti-pollution performance is achieved.

The invention relates to the technical field of nylon materials, in particular to hydrophobic high-strength transparent nylon as well as a preparation method and application thereof. According to the preparation method, 3, 3 '-dimethyl-4, 4-diaminodicyclohexylmethane (MACM), aromatic diamine and fatty diacid are taken as reaction monomers, and the novel transparent nylon is obtained by adjusting the dosage ratio of the monomers and further adjusting the preparation process (regulating and controlling the reaction process). The transparent nylon provided by the invention has the advantages of hydrophobicity, high strength and high light transmittance. The technical problem that existing nylon is high in water absorption rate is solved. The hydrophobic transparent nylon provided by the invention can be used under the condition of high humidity, and has higher safety and longer service life; therefore, the application field of the transparent nylon is expanded.

The invention relates to bionic skin barrier cream with a three-layer phospholipid structure and a preparation method of the bionic skin barrier cream, and belongs to the technical field of cosmetics, the bionic skin barrier cream comprises the following raw materials: lecithin, wax ester, triglyceride, composite ceramide, phytosterol oleate, squalane, an antioxidant, polyol, composite amino acid, pyrrolidone carboxylic acid, urea and arginine. A stabilizing agent, a treating agent and the balance of deionized water. The bionic skin barrier cream prepared by the invention has a three-layer phospholipid structure, and compared with a double-layer phospholipid structure in the market, the firmness and hydrophobicity of the double-layer structure are further improved by the added third-layer structure, so that the prepared bionic skin barrier cream has outstanding waterproof, sweat-resistant and light pollution-resistant effects; in addition, the wax ester, the triglyceride, the phytosterol oleate, the pyrrolidone carboxylic acid and the urea selected in the invention have a synergistic effect, and can generate excellent moisturizing and repairing effects and certain protection effects.

The invention relates to a low-cost high-stability urease inhibitor and a preparation method and application thereof.The preparation method includes the steps that montmorillonite is modified with inorganic acid to obtain inorganic acid modified montmorillonite, then hydrogen ions in the inorganic acid modified montmorillonite are exchanged with a cationic surface active agent to obtain quaternary ammonium salt surface active agent modified organic montmorillonite, and the quaternary ammonium salt surface active agent modified organic montmorillonite is used for preparing the urease inhibitor. After montmorillonite is subjected to organic modification, the hydrophobicity is greatly improved, and the organic modified montmorillonite has hydrophilicity and hydrophobicity. The organic modified montmorillonite interacts with amino acid residues in a urease flap region due to the hydrophobic effect, so that the amino acid residues are gathered in the organic modified montmorillonite due to the hydrophobic effect, urease conformational change is caused, catalytic activity on urea is lost, and the organic modified montmorillonite has a remarkable urease inhibition effect, is stable in chemical property and non-toxic in material, and can be used for preparing a novel urease inhibitor. The fertilizer is easy to disperse in fertilizer and soil and low in price.

The invention discloses protein-based nanoparticles as well as a preparation method and application thereof. The protein-based nanoparticles have a core-shell structure, the core is zein particles loaded with active drugs, and the shell comprises a trypsin inhibitor. The preparation method of the protein-based nanoparticles comprises the following steps: 1) preparing a zein dispersion liquid loaded with an active drug and a shell material aqueous solution; and 2) slowly adding the zein dispersion liquid loaded with the active drug into the shell material aqueous solution in a stirring state, and then carrying out rotary evaporation and freeze drying. The protein-based nano-particle has an excellent gastrointestinal digestion resisting effect, various hydrophobic active drugs can be effectively delivered to a lower digestive system, the stability and slow release efficiency of the loaded drugs are remarkably enhanced, and the protein-based nano-particle is good in biocompatibility, safe, non-toxic, simple in preparation process and suitable for industrial production. The method is suitable for large-scale industrial production and application.

The invention provides primer coating liquid, a PMMA (polymethyl methacrylate) film as well as a preparation method and application of the PMMA film. The primer coating liquid comprises the following components in parts by weight: 2-6 parts of waterborne polyurethane resin; 1 to 5 parts of hydrophobic polyurethane resin; 2-8 parts of a cross-linking agent; 0.5 to 2 parts of a compatilizer; 0.1 to 0.5 part of a dispersant; 1-6 parts of silicon dioxide particles; and 100 to 120 parts of water. The waterborne polyurethane resin and the hydrophobic polyurethane resin are matched, so that the base film is endowed with more excellent water resistance and chemical stability, the service life of the base film is effectively prolonged, and the overall durability and reliability of the base film are improved; the coating liquid shows excellent dispersity, and is beneficial to improving the transmittance of a base film, so that the light transmission is more efficient.

The invention discloses an environment-friendly nano antibacterial PE (polyethylene) wood-plastic plate, which is prepared from wood flour, silane modified PE gel, glass fiber powder, nano cellulose, borax, acrylate resin and PE wax. According to the invention, through chemical bond connection between the silane modified PE gel and inorganic particles such as the glass fiber powder and the nano cellulose, and a toughening effect of the acrylate resin, mechanical properties such as tensile strength, bending strength and impact strength of the plate are greatly improved; through use of high-crystallinity nano-crystalline cellulose and modified wood flour, the hydrophobicity of the material is improved, meanwhile, due to the fracture and repair mechanism of boric acid ester bonds, the network structure is compact, water is difficult to permeate into a cross-linked network of PE / wood flour, and thus the water resistance of the board is improved; phosphonic acid and quaternary phosphonium salt ionic liquid in the silane modified PE gel have lasting antibacterial property; and the balance of water permeability and waterproofness is realized through a process of combining cross-linked gel, evaporation hole making and hot press molding.

The invention relates to a preparation method of fluorine-free antifouling bio-based polyurea coating resin with high wear resistance, and belongs to the technical field of high polymer materials. According to the method, polydimethylsiloxane (PDMS) is locked in a polyurea matrix through an interpenetrating network polymerization (IPN) technology, and the environment-friendly coating is prepared by combining a bio-based raw material castor oil (CO) and benzene-free isocyanate. The preparation method comprises the specific steps of prepolymer preparation, mixing of polyaspartic acid ester and PDMS, vacuum defoaming and curing forming. The obtained coating does not contain fluorine compounds and volatile organic solvents (VOCs), and has high hydrophobicity (the water contact angle is larger than or equal to 105 degrees), wear resistance (the Taber wear index is smaller than or equal to 0.1558) and excellent mechanical performance (the tensile strength is 16.64-20.69 MPa). By adjusting the content of PDMS (X value is 10-25%), the hardness (69D-77D), surface energy (26.0-27.8 mJ.m <-2 >) and other properties of the coating can be regulated and controlled, and the coating is suitable for antifouling scenes such as building walls and industrial equipment, and has remarkable environmental protection advantages and application prospects.

The invention relates to the technical field of microcapsule encapsulation, and a novel preparation method is adopted to prepare microcapsule perfume. The microcapsule takes natural gelatin and paraffin as composite wall materials, a gradient structure is formed by optimizing the mass ratio (1: 2.5-1: 3.75), the gelatin provides mechanical support, and the paraffin endows hydrophobicity and thermal control release characteristics. Dissolving a solution in which the mass volume ratio of gelatin to water is (1: 2.5)-(1: 3) under an ultrasonic condition; mixing the molten paraffin with the liquid spice and the emulsifier to form an oil phase; the oil phase and the gelatin solution are mixed through magnetic stirring at the rotating speed larger than or equal to 800 rpm till the solid phase and the liquid phase are completely fused; after cooling and curing, separating to obtain the solid microcapsule. And when the temperature reaches the melting point (45-65 DEG C) of paraffin, the wall material is molten and quickly releases the perfume, and the slow release performance is excellent at normal temperature. The material is wide in application field and high in compatibility, and has the advantages of being green, safe, high in environmental stability and controllable in trigger release.

The invention provides a fluorine-containing acrylate pressure-sensitive adhesive as well as a preparation method and application thereof, and the fluorine-containing acrylate pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 30-70 parts of a soft monomer; 10 to 40 parts of a hard monomer; 1-40 parts of a fluorine-containing monomer; 1-10 parts of a functional monomer; 0.1 to 0.3 part of a thermal initiator; 100 to 300 parts of a solvent; the fluorine-containing monomer comprises any one or a combination of at least two of trifluoroethyl acrylate, hexafluorobutyl acrylate, hexafluorobutyl methacrylate, hexafluoroisopropyl acrylate, octafluoroamyl acrylate, dodecafluoroheptyl acrylate, dodecafluoroheptyl methacrylate and tridecafluorooctyl methacrylate. The wafer cutting adhesive tape prepared from the fluorine-containing acrylate pressure-sensitive adhesive provided by the invention has relatively good stripping performance, high temperature resistance and hydrophobicity.

The invention discloses a corrosion-resistant protective sleeve for an aluminum alloy cable and a preparation method of the corrosion-resistant protective sleeve, and belongs to the field of cable protective sleeves. The corrosion-resistant protective sleeve for the aluminum alloy cable is prepared from the following raw materials in parts by mass: 40 to 50 parts of ethylene propylene diene monomer, 15 to 25 parts of fluorinated silicone rubber, 5 to 10 parts of modified thiolated ethylene-vinyl alcohol copolymer, 8 to 15 parts of metal fluoride nanocrystal, 4 to 8 parts of vulcanizing agent, 3 to 8 parts of plasticizer and 3 to 5 parts of flame retardant. The two rubber matrixes are compounded to form a physical barrier layer to prevent corrosion media and water molecules from permeating, material pores can be filled with the metal fluoride nanocrystals, diffusion channels of the corrosion media are reduced, and hydrophobicity and corrosion resistance are improved through cooperation of the metal fluoride nanocrystals and the fluorinated silicone rubber. The modified thiolated ethylene-vinyl alcohol copolymer can improve the compatibility between rubber matrixes and form coordination with metal ions of the metal fluoride nanocrystals, so that the diffusion path of a corrosive medium is prolonged, and the corrosion of the corrosive medium is synergistically blocked.

The invention discloses a hydrophobic micro-nano flexible thin film structure and a characterization method, relates to the technical field of thin film structure characterization, and aims to solve the problems of poor supporting performance of a flexible thin film and inaccurate standard data acquisition. Different acceleration voltages and currents are set for the coarse thinning stage and the fine thinning stage, fine removal of materials can be achieved, the accuracy of the thinning thickness is guaranteed, the thickness, the surface fluctuation amplitude and the microstructure feature size of a thin film in a measured image are measured with the help of a scale tool, and the measurement accuracy is improved. The morphological characteristics of the hydrophobic micro-nano flexible film can be converted into accurate data, rigid support is provided for the film by utilizing high hardness, high chemical stability and good thermal conductivity of tungsten, the upper side and the lower side of a target area are milled, hole digging is conducted on surrounding materials to form a preliminary sheet contour, then U-shaped milling and back-splashing material cleaning are conducted, and the thin film is obtained. The sample form is effectively controlled, and damage of processing stress to the sample structure is reduced.

The invention belongs to the technical field of anticorrosive coatings, and particularly relates to a high-temperature-resistant hydrophobic anticorrosive coating as well as a preparation method and application thereof. The invention provides a high-temperature-resistant hydrophobic anticorrosive coating, which is prepared from the following raw material components in parts by weight: 100 to 140 parts of epoxy resin; 3 to 7 parts of 2-benzothiazole thiosuccinic acid; 2 to 6 parts of hydrophobically modified ZIF-67 (at) MgAlCeFe-LDH (layered double hydroxide); 4-8 parts of a filler; 2-6 parts of a dispersant; 1-3 parts of a defoaming agent; 2-4 parts of a coalescing agent; 15-35 parts of a curing agent; 20 to 30 parts of water; and 10 to 20 parts of ethanol. The hydrophobic property of the coating can be improved by adding hydrophobic modified ZIF-67 (at) MgAlCeFe-LDH, and the corrosion resistance of the anticorrosive coating is remarkably improved by matching with 2-benzothiazole thiosuccinic acid and utilizing the interaction between the ZIF-67 (at) MgAlCeFe-LDH and the 2-benzothiazole thiosuccinic acid. The anti-corrosion coating prepared by the method has excellent corrosion resistance, hydrophobic performance and high temperature resistance.

The invention discloses a water-in-oil emulsion, a preparation method, application, a membrane and a cosmetic product containing the same. The water-in-oil emulsion is prepared from the following components in parts by weight: 0.25 to 50.00 parts of water phase, 0.45 to 80.00 parts of oil phase, 0.025 to 5.00 parts of emulsifier, 1 part of sterol and / or sterol derivative, 0.01 to 30.0 parts of powder and 0 to 3 parts of polymer. The water-in-oil emulsion disclosed by the invention can form a liquid crystal structure which is regularly and orderly arranged in space according to a certain direction, has low film forming continuity, hydrophobicity, flexibility of a wax film and excellent air permeability, and also has certain migration resistance of a high-molecular polymer film, but the brittleness is improved. In addition, the brittleness of a layer of uniform and continuous three-dimensional network structure film formed on the skin by the polymer can be improved, and the flexibility and uniformity are improved.