729 results about "Methyl silicone" patented technology

The invention relates to a mildew-proof silicone sealant with high curing rate and high adhesive strength, and belongs to the technical field of adhesives. The anti-mildew coating is prepared from alpha, omega-dihydroxy polydimethylsiloxane, dimethyl silicone oil, fumed silica, phenoxy resin coated nano calcium carbonate, a modified hydroxypropyl-gamma-cyclodextrin loaded mildew preventive, dibutyltin dilaurate, methyltrimethoxysilane and a curing accelerator. According to the mildew-proof silicone sealant with the high curing rate and the high adhesive strength, the surface drying time is 9-13 minutes, the 24-hour curing depth is 6.3-7.2 mm, the adhesive strength is 3.0-3.6 MPa, the tensile strength is 5.8-6.4 MPa, the shear strength is 3.0-3.9 MPa, the elongation at break is 410-457%, and the mildew-proof grade is 0 grade in 30 days, 60 days, 180 days and 360 days.

The invention discloses a film-forming composition and a lip makeup product containing the same. The film-forming composition comprises the following components: phenyl silicone oil, wherein the phenyl silicone oil comprises two or more than two of diphenyl polydimethylsiloxane, trimethyl pentaphenyl trisiloxane, phenyl polytrimethyl siloxane and trimethyl siloxy phenyl polydimethylsiloxane; the viscosity of the phenyl silicone oil at the temperature of 25 DEG C is 50 mPa.s to 500 mPa.s; the film-forming agent comprises at least one of hydrogenated polyisobutene and polyisobutene; and the viscosity of the film forming agent at 75 DEG C is 1500 mPa.s to 2500 mPa.s. The mass ratio of the phenyl silicone oil to the film-forming agent is (2-5): 1. The film-forming composition provided by the invention is applied to a formula system of a lip makeup product, and the phenomena of cup staining, fading and the like of the lip makeup product can be reduced.

The invention discloses a fine circuit pattern anti-diffusion agent as well as a preparation method and a use method thereof, and relates to the technical field of printed circuit board manufacturing. The fine circuit pattern anti-diffusion agent is prepared from the following components in percentage by mass: 0.05 to 0.3 percent of an oleophobic agent, 0.1 to 0.6 percent of a bonding agent, 0.2 to 1.5 percent of an adhesion promoter, 0.5 to 4.0 percent of a wetting agent, 0.5 to 5.0 percent of a cosolvent and the balance of water, the oleophobic agent is a fluorophenylethylamine derivative, the bonding agent is a carbonyl chloride derivative, the adhesion promoter is a sulfur heterocyclic alkane derivative, the wetting agent is a methylsiloxane silane derivative, and the cosolvent is a sulfonyl ketone derivative. According to the fine circuit pattern anti-diffusion agent, an organic layer can be formed on the copper surface of a circuit board, the binding force between the copper surface and printing ink is enhanced, jet printing printing ink is prevented from diffusing on the copper surface, and the product percent of pass of a jet printing solder mask process is improved.

The invention discloses an organic silicon cooling liquid and a preparation method thereof, the product has low viscosity and high flash point, and relates to the field of application of single-phase cooling liquid for heat dissipation of heating equipment, and the specific method comprises the following steps: uniformly mixing olefin and a catalyst at 20-30 DEG C, heating to 35-45 DEG C, dropwise adding hydrogen-containing siloxane, and controlling the temperature of the reaction liquid to be in a range of 60-130 DEG C; after adding, continuously stirring; cooling after the reaction is finished, and removing residual olefin to obtain a final product with a general formula of (CH3) 3SiO-[R1R2SiO] nSi (CH3) 3, wherein R1 is an alkyl group ranging from 8 to 16; r2 is a methyl group or a trimethylsiloxy group; n is equal to 1-2. The prepared single-phase organic silicon cooling liquid has the performance of high flash point and low viscosity, is low in surface tension, good in fluidity, more comprehensive in coverage, better in heat dissipation effect, good in compatibility with materials of a data center, free of swelling and other damage with related materials, and safe and long-acting.

The invention relates to the field of flame retardants, and provides a sepiolite-based flame retardant and a preparation method thereof, the sepiolite-based flame retardant comprises the following raw materials by weight: 30-50 parts of antimony trioxide, 10-20 parts of modified sepiolite, 4-10 parts of a heat stabilizer, 10-20 parts of methyl silicone oil, and 0.5-4 parts of a dispersant. The sepiolite-based flame retardant provided by the invention has good flame retardance and smoke suppression performance, and has better commercial application value.

The invention provides a bi-component silicone sealant with a long storage period and a preparation method thereof, and relates to the field of silicone sealant materials. The method comprises the following steps: preparing a component A from alpha, omega-dihydroxy polydimethylsiloxane, dimethyl silicone oil and a filler; the preparation method comprises the following steps: carrying out physical and chemical dual dehydration on alkoxy-terminated 107 glue, a filler and a dehydration material, and then carrying out pretreatment by using ketoxime siloxane to obtain a modified base material; pretreating a cross-linking agent, a coupling agent and a catalyst to obtain a mixed vulcanizing agent; preparing a component B from the improved base material, hydrophobic white carbon black and a mixed vulcanizing agent; the component A and the component B are mixed according to the volume ratio of (1-2): 1, and the two-component silicone sealant is prepared. The two-component silicone sealant disclosed by the invention does not have obvious thickening in a 12-month long-term storage process, can keep stable breaking time and vulcanization effect in a 12-month period of validity, and has very important significance on the scenes such as foreign trade, ocean transportation and the like which require long storage periods.

The invention discloses high-adhesion port machine lubricating grease and a preparation method thereof, and relates to the technical field of lubricating material preparation and application, the high-adhesion port machine lubricating grease is prepared from the following components by weight: 60-80 parts of base oil, 3-5 parts of a functional copolymer, 0.1-0.6 part of Meso-tetramethyl-meso-tetra (p-aminophenyl) calix [4] pyrrole, 0.1-0.6 part of 1, 2, 4-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1 The lubricating oil comprises the following components in parts by weight: 0.3-0.5 part of 1, 3-diaminothiourea, 3-5 parts of molybdenum sulfide nanosheets, 0.5-1 part of an antirust agent, 0.1-1 part of a dispersing agent, 2-4 parts of an antioxidant and 0.3-0.6 part of modified rosin. The functional copolymer comprises a structural unit introduced by the following monomers: bis (trimethylsilylated) vinyl phosphate, 4-methyl-5-vinylthiazole, N-(4-cyano-3-trifluoromethylphenyl) methacrylamide and vinyl boronic acid pinacol ester. The lubricating grease is high in adhesive force and excellent in extreme pressure wear resistance, salt mist resistance and damp heat resistance.

The invention discloses a preparation method for forming a micro-nano hydrophobic coating by dip-coating on the surface of a fabric, and relates to the technical field of hydrophobic modification of natural fiber fabrics. According to the first part of the product, the selected fabric is formed by weaving natural materials through pulping, spinning and other processes, the fabric hydrophobic coating is composed of two parts, the first part is that a hydrophobic solution and the fabric are selected to construct a microcosmic basic structure, the second part is that a hydrophobic layer is secondarily covered with a mixed solvent, and micro-nano solid particles are added; by utilizing the properties of a silane coupling agent and polydimethylsiloxane, the silane coupling agent and the polydimethylsiloxane are mixed according to a proportion, and the mixture is smeared on the surface of the fabric to construct a rough coating. The preparation method has the advantages that the hydrophobicity is good, and a modified product can still have a good hydrophobic effect after being soaked in water for a long time; the environment is protected, when landfill treatment is needed, the product can be degraded in the natural environment for two years, and when combustion treatment is needed, only carbon dioxide, water and other environment-friendly gases can be generated; water and soil loss is prevented, the hydrophobic effect can be kept in the soil for two years, and afforestation and desert greening are facilitated; the soil is fertile, and the product is rich in sodium ions after being soaked in sodium methyl silicate, so that the nutrient of the soil is increased, and the soil is kept in a fertile state.

The invention belongs to the field of organic silicon synthesis, and particularly relates to a preparation method of low-cost, low-ring-body and ultralow-viscosity dimethyl silicone oil, and the viscosity of the dimethyl silicone oil is smaller than or equal to 10 cSt. The preparation method comprises the following steps: firstly, adding a hydroxyl-terminated polydimethylsiloxane linear body, a chain stopper and an activated catalyst into a reaction kettle, and carrying out hydroxyl condensation and chain segment equilibrium reaction under a negative pressure condition to obtain a polymerization precursor; then adding an end-capping reagent into the polymerization precursor, carrying out chain segment rearrangement reaction, after the reaction is finished, adding a terminator and a quenching catalyst to obtain a polymerization intermediate, and further separating to obtain a target product. The preparation method provided by the invention has the advantages of simple process, mild conditions, 100% of raw material utilization rate, and no generation of cyclosiloxane, and is suitable for green industrial production of ultralow-viscosity methyl silicone oil.

The invention belongs to the technical field of marine organism fouling protection, and particularly discloses a self-repairing coating for preventing biological fouling and a preparation method and application thereof, and the preparation method comprises the following steps: S1, adding polydimethylsiloxane and aliphatic diisocyanate into an organic solvent according to a molar ratio of 1: (1.0-3.0), continuously stirring for more than 0.5 h, and standing to prepare an organosilicon polymer solution; the polydimethylsiloxane is aminopropyl double end capped polydimethylsiloxane, and the polydimethylsiloxane is an aminopropyl double end capped polydimethylsiloxane; s2, adding methyl silicone oil into the organic silicon polymer solution, and continuously stirring for more than 0.5 hour to prepare a transparent organic silicon prepolymer; and S3, uniformly coating the surface of a substrate with the prepolymer prepared in the step S2, and standing to obtain the self-repairing coating for preventing biological fouling. Complete covering and damage self-repairing of a lubricating layer on the surface of the coating can be achieved, attachment and growth of fouling organisms are effectively prevented, and the coating is endowed with long-acting antifouling performance.

The invention relates to a preparation method and application of heat-resistant high-thermal-conductivity modified dimethyl silicone oil. Adding a certain proportion of phenylalkoxysilane into dimethyl silicone oil, blowing in water vapor, heating to 60-70 DEG C, stirring, adding zirconium caprylate, heating to 100-180 DEG C, continuously blowing in high-purity nitrogen, preserving heat, stirring and dispersing uniformly to obtain a heat-resistant additive; the preparation method comprises the following steps: adding a liquid metal composite material into dimethyl silicone oil while stirring, heating to 160-230 DEG C, dropwise adding a heat-resistant additive, continuously blowing high-purity nitrogen, and continuously stirring and homogenizing to obtain the metal bright-color modified dimethyl silicone oil. In the dimethyl silicone oil, the modified dimethyl silicone oil can be obtained by taking methyl phenyl alkoxy silane, zirconium octoate, a liquid metal composite material and the like as modifiers, the thermal conductivity can be improved to 4-8W / m.K, the weight loss mass fraction at 350 DEG C * 30min is less than 1.0%, and the heat-resistant stability and the thermal conductivity are greatly improved.

The invention relates to the technical field of foaming materials, and particularly discloses a silicone rubber foaming material and a preparation method thereof. The silicone rubber foaming material is prepared from the following raw materials in parts by weight: 1-60 parts of hydroxyl silicone oil, 10-60 parts of vinyl silicone oil, 1-15 parts of hydrogen-containing silicone oil, 1-5 parts of methyl silicone oil, 0.5-1 part of an inhibitor, 0.25-0.5 part of a platinum catalyst, 5-15 parts of modified polysiloxane and 10-30 parts of white carbon black. The invention also provides a preparation method of the composition. Compared with the prior art, the silicone rubber foaming material prepared by the invention does not contain halogen and other harmful substances, does not cause secondary pollution in a combustion process, and can realize efficient balance of mechanical properties and flame retardant properties.

The invention belongs to the technical field of oil exploitation, and particularly relates to an acid liquor thickening agent as well as a preparation method and application thereof. The synthesis method comprises the following steps: adding butylene glycol, 4, 4 '-diaminostilbene-2, 2'-disulfonic acid, (2-acrylamido ethyl) phosphonic acid, monopotassium phosphate and deionized water into a first reactor, uniformly stirring, and adjusting the pH value to 7-8; (3-acryloyloxypropyl) tri (trimethylsiloxy) silane, deionized water, hydroxypropyl methyl cellulose, OP-10 and monopotassium phosphate are sequentially added into a second reactor, and the pH is adjusted to be 7-8; adding an initiator into a high-position dropwise adding tank, dropwise adding the initiator into a second reactor, quickly adding the mixed liquid in the first reactor when the viscosity begins to rise, heating, and carrying out heat preservation reaction to obtain viscous liquid; and drying and granulating to obtain the product. The invention has the advantages of simple synthesis, high apparent viscosity, strong shear resistance, good salt-resistant and hardness-resistant effects, and good drag reduction effect.

The invention discloses high-viscosity dimethyl silicone oil and a preparation method thereof.The preparation method comprises the following steps that a siloxane polymer is heated, a basic catalyst is added in the inert gas atmosphere, and a first mixture is obtained; continuously heating and adding an end-capping reagent into the first mixture in a vacuum environment for reaction to prepare a second polymer; adding a neutralizer into the second polymer for reaction to obtain a third polymer; and heating and devolatilizing light components in the third polymer in a vacuum environment to obtain the finished product silicone oil. A high-viscosity dimethyl silicone oil product prepared by carrying out a catalytic reaction in a potassium hydroxide silanolate-silicon-based phosphate catalytic neutralization system and then using a linear siloxane oligomer as a main polymer has the advantages of low polymerization intermediate volatile matter, high product viscosity and low molecular weight distribution coefficient, and has a wide application prospect.

The invention relates to the field of cosmetics, and discloses makeup fixing cream and a preparation method thereof. The makeup fixing cream comprises the following components in percentage by mass, comprising 3.0%-20% of diisostearyl malate, 0.5%-8.0% of microcrystalline wax, 0.5%-5.0% of petrolatum, 0.1%-3.0% of squalane, 0.1%-5.0% of pentaerythritol tetraisostearate, 30%-60% of polydimethylsiloxane, 3%-6% of polymethylsilsesquioxane, 15%-40% of modified silica and 3%-5% of vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane cross-linked polymer. 15% of a silane coupling agent and 3-15% of a vinyl polydimethylsiloxane / polydimethylsiloxane cross-linked polymer; the modified silica is of a porous structure, and the surface of the modified silica is modified by polydimethylsiloxane. After being used, the makeup fixing cream has the characteristics of matte and soft-focus effects and good makeup maintaining and oil controlling effects.

The invention belongs to the technical field of contact lenses, and provides a high-oxygen-permeability silica hydrogel and a silica hydrogel contact lens. The product is prepared from the following raw materials in parts by mass: 20 to 90 parts of organic silicon monomer, 20 to 80 parts of hydrophilic monomer, 0.1 to 5 parts of cross-linking agent, 0.2 to 7 parts of initiator and 20 to 50 parts of solvent. Symmetrical monomethacryloyloxy propyl modified polydimethylsiloxane, methyl-di (trimethylsiloxy)-silyl propyl glyceryl methacrylate and 2-(trimethylsiloxy) ethyl methacrylate are selected as organic silicon monomers together, and the three organic silicon monomers cooperate with one another, so that the viscosity of the organic silicon resin is improved; the oxygen permeability of the lens is improved; and the three organic silicon monomers and the hydrophilic monomer have good solubility. In addition, the sample is soaked in an isopropanol solution, so that the transparency of the lens is improved, and meanwhile, a channel on the lens is opened, so that the oxygen permeation coefficient of the lens is improved.

The invention discloses a wear-resistant high-gloss nano liquid, a wear-resistant high-gloss ceramic tile and a preparation method of the wear-resistant high-gloss ceramic tile, and belongs to the technical field of ceramic manufacturing. The wear-resistant high-gloss nano liquid at least comprises a component A, a component B and a component C which are independently subpackaged, wherein the component A comprises large-particle silica sol, boric acid, sodium methyl silicate, carboxymethyl cellulose sodium, a boronizing stabilizer and the balance of water; the component B comprises a boronizing stabilizer and the balance of water-based modified silicone oil; and the component C is wax emulsion. Through systematic material and process innovation, the ceramic tile which is high in gloss, strong in antifouling property, durable in wear resistance and high in transportation performance is prepared, and the market requirements of surface treatment materials which are high in performance, low in cost and easy to transport are met.

The preparation method of the CO2 thickening-downmixing-tracing nano carbon needle comprises the following steps: step 1, modifying a nitrogen-doped activated carbon quantum dot by adopting a silane coupling agent to obtain a modified activated carbon quantum dot; 2, mixing methyl silicone oil, a silane coupling agent and a thickening functional monomer to obtain a mixture, and activating; adding a catalyst and fully reacting to obtain a fluorine-containing siloxane polymer; 3, mixing the activated carbon quantum dots obtained in the step 1 and the fluorine-containing silane polymer solution obtained in the step 2, and fully reacting to obtain the CO2 thickening-downmixing-tracing nano carbon needle; according to the nano carbon needle, the viscosity of supercritical carbon dioxide is increased, the miscible phase pressure is reduced, meanwhile, in-situ emulsification tackifying can be carried out in high-water-content and high-permeability pores, and CO2 pressure driving-tracing-burying integration of an oil and gas field can be achieved, so that a win-win mode of green low-carbon development and economic benefits is constructed.

The invention relates to the technical field of organic silicon resin preparation, in particular to trapezoidal methyl silicon resin and a preparation method thereof.The trapezoidal methyl silicon resin is prepared by taking methyl trichlorosilane as a main raw material, introducing a trapezoidal control agent containing amido and alkoxy at the same time to inhibit the reaction activity of the methyl trichlorosilane and then carrying out hydrolysis reaction in a small amount of alcohol solvent and water; the generation of a cross-linked network structure insoluble substance during hydrolysis is avoided, and the resin gelation risk is effectively reduced. The hydrolysis rate is reduced, so that the use amount of the solvent is reduced, the proportion of alcohol in the water phase is greatly reduced, and the process and environmental protection cost is reduced. The trapezoidal methyl silicone resin prepared by the method is excellent in viscosity performance, high in yield, excellent in boiling resistance, short in curing time, high in resin softening point and short in gelation time.

The invention relates to the technical field of lubricating oil, and discloses a composite lubricating oil repairing additive and a preparation method thereof.The preparation method includes the steps that methyl silicone oil, sodium dodecyl benzene sulfonate, methyl acrylate, zinc dialkyl dithiophosphate and barium sulfonate are added into a stirrer and stirred, quaternary ammonium salt modified imidazoline and modified chitosan are continuously added into the stirrer and stirred, and the composite lubricating oil repairing additive is obtained; and after finishing, obtaining the composite lubricating oil repairing additive. Chitosan in the modified chitosan has a good anti-rust effect. Imidazoline in quaternary ammonium salt modified imidazoline can form a protective film on the surface of metal to effectively prevent the metal from being in contact with a corrosive medium, so that the corrosion process of the metal is slowed down, and a relatively good anti-rust effect is achieved. Wherein the quaternary ammonium salt forms a layer of protective film on the surface of metal to prevent moisture, oxygen and other corrosive substances from being in contact with the metal, so that the metal is effectively prevented from rusting.

The invention provides efficient flame-retardant porous ceramic and a preparation method thereof, and relates to the technical field of inorganic non-metallic materials. The preparation method comprises the following steps: S1, mixing polydimethyl silicone oil with polydimethyl silicone rubber to obtain an organic precursor; s2, immersing the organic-inorganic hybrid fiber into a solution containing modified nano silicon dioxide to obtain a porous reinforcement; s3, ceramic fibers are added into a dispersion system, ceramic slurry is formed, and the dispersion system comprises a dispersing agent, a flame retardant and starch and silicon oxide fibers; dispersing the porous reinforcement into the ceramic slurry, adding the ceramic slurry into the organic precursor, and carrying out ultrasonic homogenization treatment to obtain mixed slurry; and S4, injecting the mixed slurry into a mold, carrying out vacuum filtration, drying to obtain a ceramic body, sintering the ceramic body in a high-temperature furnace, and naturally cooling to obtain the efficient flame-retardant porous ceramic. The preparation method can be used for preparing the porous ceramic with high strength, high porosity and high flame retardance.

The invention relates to the technical field of liquid foundation, and particularly discloses a lasting liquid foundation and a preparation method thereof. The invention discloses a lasting liquid foundation. The liquid foundation is prepared from the following raw materials in percentage by weight: 0.5 to 1 percent of thickener, 10 to 15 percent of first emollient, 2 to 5 percent of emulsifier, 1 to 3 percent of first stabilizer, 3 to 5 percent of acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, 3 to 5 percent of trimethylsiloxy silicate ester, 0.5 to 3 percent of adsorbent, 0.05 to 1 percent of antioxidant, 10 to 15 percent of second emollient, 10 to 20 percent of coloring agent, 0.5 to 1 percent of second stabilizer, 1 to 5 percent of humectant, 0.05 to 1 percent of chelating agent, 1 to 10 percent of solvent, 0.5 to 1 percent of preservative and the balance of water. 0.1-1% of a third emollient and the balance of water.

The invention discloses geopolymer cement based on coal gangue activation reaction as well as a preparation method and application thereof, and relates to the technical field of building materials. The invention relates to a coal gangue concrete, which is prepared from the following raw materials in percentage by mass: 50 to 70 percent of activated coal gangue powder, 5 to 15 percent of alkali activator, 10 to 30 percent of auxiliary cementing material and water, wherein the water accounts for 30 to 40 percent of the total mass of the activated coal gangue powder, the alkali activator and the auxiliary cementing material. Through a composite activation process of medium-temperature calcination decarburization and superfine grinding, the activity of silicon-aluminum components in the coal gangue is effectively excited, the reaction efficiency is remarkably improved, the mixing amount of the coal gangue reaches 50%-70%, the resource utilization rate of solid waste is greatly increased, and efficient activation and resource utilization of the coal gangue are achieved. By adopting the methyl sodium silicate and sodium silicate composite activator, the reaction rate and the product structure are regulated and controlled, and the workability and the setting and hardening behaviors of slurry are improved, so that the obtained geopolymer cement has relatively high early and later strength and excellent durability.

The invention relates to the field of coatings, and discloses a self-cleaning nano-coating glass plate and a preparation method and application thereof.The nano-coating is prepared from organic silicon resin, epoxy resin, modified nano titanium dioxide, long-chain alkyl methyl silicone oil, a curing agent and a diluent; the modified nano titanium dioxide is prepared by grafting a modified silane coupling agent and nano titanium dioxide, wherein the modified silane coupling agent is prepared by reacting a modified phosphorus-containing antibacterial monomer with vinyltriethoxysilane; the modified phosphorus-containing antibacterial monomer is prepared by reacting eugenol with N-bromosuccinimide, then reacting with 2-amino-4-methylthiazole, further reacting with diphenyl phosphinyl chloride, and reacting the obtained phosphorus-containing antibacterial monomer with 1, 1, 3, 3-tetramethyldisiloxane; the long-chain alkyl methyl silicone oil is prepared by using octamethylcyclotetrasiloxane, dodecyl methyl dimethoxy silane and hexamethyldisiloxane as raw materials, and the prepared nano coating has a super-hydrophobic surface and also has excellent antibacterial activity, wear resistance and flame retardance.

The invention provides a water-resistant building gypsum-based material and a preparation method thereof. The material comprises a building gypsum base body, a hydrophobic film is cured on the surface of the building gypsum base body, and the hydrophobic film is formed by curing waterproof liquid; the building gypsum base body is prepared from four components including desulfurized building gypsum, blast furnace slag, calcium oxide and water, the water-binder ratio is 0.5-0.6, the mass ratio of the blast furnace slag to the desulfurized building gypsum is (1-5): (5-9), and the mass of the calcium oxide is 2%-10% of that of the blast furnace slag; the waterproof liquid comprises water, sodium methyl silicate, tetraethoxysilane, dimethyl silicone oil, sodium hydroxide and sodium silicate. According to the preparation method, a proper waterproof treatment mode is selected according to the size of a workpiece. The blast furnace slag and the calcium oxide are introduced into the desulfurized building gypsum formula, the calcium oxide can effectively excite the activity of the blast furnace slag in a building gypsum matrix, so that the water resistance of a building gypsum-based material is improved, the water resistance of the material is further improved by the waterproof liquid, and meanwhile, the material is endowed with hydrophobicity.

The invention discloses a high-bonding-strength magnesium adhesive as well as a preparation method and application thereof. The high-bonding-strength magnesium adhesive comprises the following components: 160-185 parts of light calcined magnesia, 40-54 parts of magnesium chloride, 36-46 parts of magnesium sulfate, 46-60 parts of water, 6-14 parts of soybean protein powder, 1-3 parts of a retarder, 2-6 parts of talcum powder, 3-5 parts of polyvinyl alcohol and 4-8 parts of a waterproof agent. The waterproof agent comprises sodium methylsilanolate and sodium silicate in a mass ratio of (2-5): 1. The soybean protein is used as the modifier and can be extracted with the magnesium adhesive to form a network interpenetrating structure, so that the number of structural voids and the flatness of the magnesium adhesive are improved, a flat and compact gel system is formed, and the bonding performance of the magnesium adhesive is effectively improved.

The application relates to the technical field of cosmetics, in particular to a high-concealment makeup-maintaining air cushion and a preparation method thereof. A film forming agent in the high-concealment makeup-maintaining air cushion comprises the following: trimethylsiloxy silicate 5-7 parts, isododecane 0.3-0.7 parts, and acrylic acid (ester) / polymethyltrimethicone methacrylate copolymer 2-3 parts. A colorant comprises the following raw materials in parts by weight: titanium dioxide 5-7 parts, silica 0.8-1.2 parts, mica powder 5-7 parts, CI 77492 0.4-0.8 parts, aluminum hydroxide 0.8-1.2 parts, CI 77491 0.4-0.6 parts, triethoxyl octyl silane 0.8-1.2 parts, and CI 77499 0.3-0.5 parts. The particle size of the titanium dioxide at least comprises any two of 4 nm, 30-50 nm and 200-260 nm. The air cushion has the advantages of prolonging the makeup-maintaining time of the air cushion and improving the concealment effect.

The utility model discloses a methyl silicone oil production waste gas treatment device, which belongs to the technical field of waste gas treatment, and comprises a purification tower, the lower part of one side of the purification tower is communicated with an air inlet valve port, the upper part of one side of the purification tower is communicated with a purification liquid box, and the upper side of the purification liquid box is communicated with a liquid adding port. The bottom of the purification liquid box is communicated with a spraying mechanism, one end of the spraying mechanism extends into the purification tower, the upper side of the purification tower is communicated with an exhaust port, the bottom of the purification tower is communicated with a water outlet valve port, and the upper side walls of the purification tower and the purification liquid box are fixedly connected with a rectangular strip shell. According to the waste gas chemical reaction purification treatment device, the atomization spraying pipe on the rotating pipe can be driven to rotate by starting the stepping motor to work, so that the atomization spraying effect is better, the waste gas treatment effect is better, meanwhile, the stirring mechanism can be driven to stir purification liquid, the mixing uniformity is kept, and the waste gas chemical reaction purification treatment effect is further guaranteed.

The present invention provides a preparation method of lithium difluorooxalate borate, belonging to the technical field of lithium battery electrolyte additives. The present invention obtains a bis(methylsilyl) oxalate compound by a substitution reaction between a methylchlorosilane compound and oxalic acid, and mixes the bis(methylsilyl) oxalate compound with lithium oxalate, a boron trifluoride complex and an organic solvent to obtain lithium difluorooxalate borate; wherein the bis(methylsilyl) oxalate compound is used as a raw material, has strong reaction activity, generates a stable methylfluorosilane gas byproduct while introducing oxalate into the system, and does not cause chloride ions and free acid residues; in addition, when the raw material is bis(trimethylsilyl) oxalate, even if there is a small amount of raw material residue, it can be used as a new multifunctional electrolyte additive, play a certain synergistic role, and can improve the compatibility between electrolytes. The whole process is simple, the product yield obtained by the reaction is high, the product purity is high, and the separation is easy, which is suitable for industrial production.

The application relates to the technical field of building materials, and discloses a permeable crystalline self-healing waterproof material for concrete self-waterproofing, which is prepared from the following raw materials in parts by weight: 20-30 parts of sodium-based bentonite, 20-50 parts of sodium methyl silicate, 4-6 parts of a penetrating agent, 8-12 parts of a sulphoaluminate cement, 15-18 parts of a silicone zirconium, and 2-5 parts of a complexing agent; the complexing agent is composed of 2-[3-(4-pentylphenyl)prop-2-enylamino]benzoic acid and sodium ethylenediaminetetraacetate. The above technical scheme solves the problem of low mechanical performance and waterproofness of concrete in the prior art.