56 results about "Oleyl alcohol" patented technology

The invention belongs to the technical field of veterinary drug preparations, and particularly relates to a compound external ointment for treating parasites of dogs and cats and skin tinea and a preparation method, the compound external ointment comprises the following components by mass percent: 2%-12% of selamectin, 3%-20% of imidacloprid, 0.5%-2% of terbinafine hydrochloride, 2%-12% of dipropylene glycol monomethyl ether, 10%-50% of isopropanol, 9%-45% of polyethylene glycol 400 and the balance of water. The adhesive is prepared from, by weight, 9%-45% of polyethylene glycol 3350, 5%-15% of caprylic / capric polyethylene glycol glyceride, 1%-8% of oleyl alcohol, 0.5%-5% of dimeticone, 0.01%-0.1% of butylated hydroxytoluene and 1%-5% of cassava starch polymethylsesquioxane. The preparation method comprises the following steps: uniformly stirring the selamectin, the imidacloprid, the terbinafine hydrochloride and the mixed solvent, then mixing with the matrix (the polyethylene glycol 400 and the polyethylene glycol 3350 are heated and uniformly mixed in advance), the emulsifier and other components, and homogenizing. The compound selamectin ointment prepared by the invention can realize accurate administration at the edge of the auricle of an animal, and not only can ensure that the medicine is fully absorbed, but also can improve the compliance of animal administration; the composition not only can expel parasites in a broad spectrum, but also has broad-spectrum antifungal activity, and can prevent and treat a plurality of skin diseases of pets.

The invention provides a drilling fluid flow pattern regulator suitable for Antarctic subglacial drilling and a preparation method and application thereof, and belongs to the technical field of polar region drilling. The flow pattern regulator is prepared from the following raw materials: 4-tert-butyl styrene, carboxylic acid, an acrylate monomer, oleyl alcohol, concentrated sulfuric acid and an initiator. The carboxylic acid is one of ricinoleic acid or phthalic acid; the acrylic ester monomer is one of acrylic acid-2-hydroxyethyl ester or 2-acrylic acid-2-hydroxy-3-phenoxy propyl ester, and the acrylic ester monomer is one of acrylic acid-2-hydroxyethyl ester and 2-acrylic acid-2-hydroxy-3-phenoxy propyl ester; and the initiator is one of azodiisobutyronitrile or benzoyl peroxide. The flow pattern regulator is simple in raw material composition and preparation method and low in cost. The flow pattern regulator can effectively improve the ultralow-temperature rheological property of the drilling fluid, enables the drilling fluid to have the advantages of low viscosity, high dynamic shearing force, chip carrying (ice chips and rock chips), excellent suspension performance and the like at the ultralow temperature, and is suitable for under-ice drilling in the Antarctic pole.

The invention discloses a fireproof composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The fireproof composite material comprises the following raw materials in parts by weight: 60-80 parts of epoxy resin, 20-30 parts of silicon dioxide, 10-18 parts of a flame retardant, 10-15 parts of a curing agent, 2-5 parts of a toughening agent, 1-2 parts of an accelerant and 1-3 parts of an antioxidant. The toughening agent is prepared by reacting trimesic acid with oleyl alcohol to generate a triester compound, reacting 1, 4-benzene diboric acid with 3-sulfydryl-1, 2-propylene glycol to generate a dioxaboroheterocyclic compound, and reacting the triester compound with the dioxaboroheterocyclic compound. The fireproof composite material prepared by the invention has good flame retardant property and impact resistance.

The invention relates to a flight control assistant and a preparation method and application thereof, the flight control assistant comprises an adhesion promoter, a synergist, a compatilizer and a dispersion medium, and the adhesion promoter comprises oleyl alcohol ether and fatty alcohol random polyether; the synergist comprises a polyoxyethylene ether compound, fatty acid amide and polyethylene glycol fatty acid ester; the compatibilizer comprises a first compatibilizer, a second compatibilizer and a third compatibilizer, the first compatibilizer is selected from one or more of alkylbenzene sulfonate, alkyl sulfonate, alkyl sulfonate and alkyl sulfate, the second compatibilizer is selected from one or more of fatty alcohol-polyoxyethylene ether sulfate and fatty alcohol-polyoxyethylene ether phosphate, and the third compatibilizer is selected from one or more of fatty alcohol-polyoxyethylene ether sulfate and fatty alcohol-polyoxyethylene ether phosphate. And the third compatilizer is polyethylene glycol-5 coco-ammonium methyl sulfate. The flight control synergist provided by the invention is good in applicability, and can effectively improve the liquid medicine performance while improving the mixing stability of various pesticide preparations and fertilizers, increase the rain wash resistance of pesticides on targets and weaken the adverse effect of rainfall weather on the prevention effect of diseases and insect pests.

The invention relates to a ligand-induced room-temperature ultrathin magnetic nanosheet synthesis preparation method, which comprises: mixing a metal-ligand solution and an anion-ligand solution, and carrying out a heating reaction to obtain a ligand-induced room-temperature ultrathin magnetic nanosheet, wherein the metal-ligand solution comprises a Cu source, a Cr source and a first ligand; the anion-ligand solution comprises an anion X source and a second ligand; x is Se or Te; the first ligand is selected from one or two of oleylamine or oleyl alcohol; the second ligand is selected from one of oleylamine or tri-n-octylphosphine. Compared with the prior art, the method has the advantages that specific crystallographic orientation is stabilized by adjusting the adsorption capacity of ligands and surface ions in an organic liquid phase synthesis mode, anisotropic growth is guided, and the problems that in the prior art, room-temperature ultrathin nanosheet preparation excessively depends on substrate growth, and the steps are tedious are solved.

The invention relates to three-dimensional shaping hair mud with high filling power and a preparation method of the three-dimensional shaping hair mud, and belongs to the technical field of daily chemicals. The hair mud comprises the following components in percentage by mass: 4-6% of a main setting agent, 0.1-0.3% of an auxiliary setting agent, 30-40% of an emulsifier, 3-10% of a humectant, 3-10% of a thickener, 1-5% of synthetic wax, 1-4% of an adsorbent, 1-2% of a preservative, 0.5-1.5% of oleyl alcohol polyether-10 hydrate, 0.5-2% of acceptable auxiliary materials in the hair mud and the balance of water. The main setting agent is composed of a VP / VA copolymer, lauryl trimethyl ammonium chloride, sodium hydrogen sulfite and water, and the auxiliary setting agent is composed of water, polyquaternium-11, phenoxyethanol and caprylyl glycol. The hair mud disclosed by the invention not only has excellent bulkiness, lasting shaping and cleanliness, but also remarkably improves the tenderness and stability of a product, and provides better user experience.

The invention relates to MCT oil / alcohol compositions without visible clouding or phase separation between the MCT and alcohol components at room temperature. The invention encompasses MCT oil / alcohol compositions containing MCT oil, alcohol, and water. The MCT oil / alcohol compositions can be used for mixing oil-soluble, alcohol-soluble, and water-soluble compounds, and for lubricating, disinfecting, sterilizing, cleaning, and coating surfaces.

The invention discloses a method for improving dispersity and thermal stability of insoluble sulfur, and belongs to the technical field of sulfur processing and production. According to the technical scheme, the preparation method comprises the following steps: 1) mixing naphthenic oil, a dispersant, a stabilizer and a compatibilizer to obtain a mixed material; the dispersing agent is one or more of dithiobenzothiazole, zinc stearate, dioctyl phthalate, polyethylene glycol monolaurate, oleyl alcohol and fatty alcohol-polyoxyethylene ether; the dispersing agent is one or more of dithiobenzothiazole, zinc stearate, dioctyl phthalate, polyethylene glycol monolaurate, oleyl alcohol and fatty alcohol-polyoxyethylene ether; the compatibilizer is one or more of ethylene propylene diene monomer, EVA (Ethylene Vinyl Acetate) resin and liquid butadiene rubber; and 2) mixing the mixed material with an oil-free insoluble sulfur semi-finished product, and carrying out oil filling treatment to obtain the insoluble sulfur. The insoluble sulfur prepared by the method provided by the invention not only has good dispersibility and thermal stability, but also is simple and feasible in process flow, and is beneficial to improving the production efficiency.

The invention discloses metal cooling liquid for titanium alloy cutting machining and a preparation method of the metal cooling liquid, and belongs to the technical field of metal machining liquid. The cooling liquid consists of the following components in percentage by mass: 20-30% of base oil, 0.5-1.5% of surface-modified hexagonal boron nitride nanoparticles, 15-25% of a compound emulsifier, 5-10% of an extreme pressure lubricant and the balance of other auxiliaries and water, wherein the composite emulsifier is a compound of polyoxyethylene oleyl alcohol ether and phosphate, nano h-BN is dispersed in an oil phase through reverse phase titration emulsification, then a water phase is slowly dropwise added into the oil phase for emulsification, enrichment of h-BN nano particles on an oil-water interface is remarkably promoted, and therefore the lubricity, the cooling efficiency and the stability of the cooling liquid are greatly improved. The cooling liquid prepared by the invention can effectively reduce the cutting temperature and the friction coefficient, remarkably prolong the service life of a cutter and improve the surface quality of a workpiece, and is environment-friendly in formula and long in service life.

The invention relates to the technical field of daily chemicals, in particular to a gentle face-cleaning mousse composition with a strong sunscreen effect, a preparation method and application. The composition is prepared from sodium cocoyl amino propionate, disodium cocoyl glutamate, di (PPG-2) myristica oleyl alcohol polyether-10) adipate and sodium lauroamphoacetate, wherein the sodium lauroamphoacetate and the sodium cocoyl oleyl alcohol polyether-10 are used as raw materials; the mass ratio of the sodium cocoyl amino propionate to the disodium cocoyl glutamate to the di (PPG-2 myristica oleyl polyether-10) adipate to the sodium lauroamphoacetate is (8 to 20) to (2 to 15) to (0.1 to 3) to (2 to 10). The foam is fine and dense, the step of manual foaming is omitted, and the using process is simpler and more time-saving. The fine foam can uniformly cover the surface, so that the residue of the sun-screening agent can be comprehensively cleaned. Compared with an emulsion or paste product, the foam texture has smaller friction on the skin, and is suitable for sensitive skin or skin prone to couperose skin.

The invention belongs to the technical field of veterinary drug preparations, and particularly relates to a selamectin ointment pharmaceutical composition and a preparation method thereof, and the selamectin ointment pharmaceutical composition comprises the following components by mass: 2%-20% of selamectin, 2%-12% of dipropylene glycol monomethyl ether, 10%-50% of isopropanol, 10%-50% of polyethylene glycol 400, 10%-50% of polyethylene glycol 3350, 5%-15% of caprylic / capric polyethylene glycol glyceride, 5%-15% of sodium dodecyl benzene sulfonate, 5%-10% of sodium dodecyl benzene sulfonate, and the balance of water. The cleaning agent comprises the following components in percentage by weight: 1%-8% of oleyl alcohol, 0.5%-5% of dimeticone, 0.01%-0.1% of butylated hydroxytoluene and 1%-5% of cassava starch polymethylsesquioxane The preparation method comprises the following steps: dissolving the Sarah rhzomorph in the dipropylene glycol monomethyl ether, the isopropanol and the butylated hydroxytoluene, then mixing with the matrix (the polyethylene glycol 400 and the polyethylene glycol 3350 are heated and uniformly mixed in advance), the emulsifier and other components, and homogenizing to obtain the Sarah rhzomorph emulsion. The prepared selamectin ointment is good in transdermal effect, accurate administration of animal auricles can be achieved, and animal medication compliance is improved.

The present invention relates to a monosulfide-bridged chrysin prodrug, a preparation method and application thereof. The method comprises the following steps: connecting a long-chain fatty alcohol and the 7-hydroxyl group of chrysin by thioglycolic anhydride to obtain a chrysin prodrug having a monosulfide bond as a connecting bond and a long-chain fatty alcohol as a side chain. The long-chain fatty alcohol is tetradecanol C 14 , hexadecanol C 16 、Octadecanol C 18 Or oleyl alcohol (OA). The resulting monosulfide-bridged chrysin prodrug can be prepared into self-assembled nanoparticles via a one-step nanoprecipitation method. The resulting chrysin prodrug organic solution is added dropwise to water with stirring, spontaneously forming uniform nanoparticles. The solvent is then removed by rotary evaporation to obtain a nanoparticle solution. This simple preparation process allows for the release of the parent drug under the influence of high glutathione (GSH) concentrations in the tumor microenvironment, ensuring anti-tumor efficacy while minimizing toxic side effects on normal tissues. Furthermore, the nanoparticles can be used to prepare injectable formulations. Conjugating the nanoparticles with the modifier PEG enhances their stability.

The present invention discloses a curcumin derivative prodrug, a preparation method, and applications thereof. The curcumin derivative prodrug is a compound wherein a single sulfide bond or a disulfide bond is located at the α- and β-positions of adjacent carbonyl groups, obtained by connecting a curcumin derivative via 2,2'-thiodiacetic acid, 2,2'-thiodipropionic acid, 3,3'-dithiodiacetic acid, or 2,2'-dithiodipropionic acid with oleyl alcohol. The curcumin derivative prodrug can be prepared using a nanoparticle precipitation method to form non-PEGylated curcumin derivative prodrug self-assembled nanoparticles or PEG-modified curcumin derivative prodrug self-assembled nanoparticles. The curcumin derivative prodrug can be used to treat breast cancer or liver cancer. The resulting self-assembled nanoparticles have a high drug loading capacity, good stability, low toxicity and side effects, and rapid, tumor-site-specific drug release, thereby extending systemic circulation time, increasing bioavailability, and enhancing therapeutic efficacy.

The application provides a drilling fluid flow pattern regulator suitable for drilling under Antarctic ice, and a preparation method and application thereof, and belongs to the technical field of polar drilling. The flow pattern regulator is prepared from the following raw materials: 4-tert-butylstyrene, carboxylic acid, acrylic ester monomer, oleyl alcohol, concentrated sulfuric acid and initiator. The carboxylic acid is one of ricinoleic acid or phthalic acid; the acrylic ester monomer is one of 2-hydroxyethyl acrylate or 2-hydroxy-3-phenoxypropyl acrylate; and the initiator is one of azobisisobutyronitrile or benzoyl peroxide. The raw material composition of the flow pattern regulator and the preparation method are simple and low in cost. The flow pattern regulator can effectively improve the ultralow-temperature rheological property of the drilling fluid, so that the drilling fluid has the advantages of low viscosity, high dynamic shear force, excellent cuttings (ice cuttings and rock cuttings) carrying and suspending performance and the like under ultralow temperature, and is suitable for drilling under Antarctic ice.

This invention provides a method and system for determining the interfacial properties of an oil-alcohol two-phase system. The method includes the following steps: adding an oil phase solution dropwise to an alcohol phase solution to obtain a mixed solution; recording the total volume and number of drops of the oil phase solution added; calculating the interfacial tension between the oil phase solution and the alcohol phase solution based on the total volume and number of drops; stirring the mixed solution to form an emulsion; calculating the Soder mean diameter based on the droplet size in the emulsion; and calculating the interfacial area between the oil phase solution and the alcohol phase solution based on the dispersed phase volume fraction and the Soder mean diameter. This method can simultaneously obtain two key parameters: interfacial tension and interfacial area, thereby comprehensively characterizing the interfacial properties of the liquid-liquid two-phase system.

This application discloses a solder paste with high-temperature resistant post-soldering residue and its preparation method. The solder paste comprises solder and flux in a weight ratio of (8-9):(1-2). The solder comprises a tin-bismuth alloy and halloysite nanotubes modified with a titanate coupling agent. Based on the flux, the flux comprises the following raw materials in parts by weight: 35-65 parts composite rosin; 35-55 parts solvent; 5-15 parts tartaric acid; 5-10 parts thickener; 1-3 parts corrosion inhibitor; 2-4 parts antioxidant; and 2-3 parts oleyl alcohol polyoxyethylene ether. The high-temperature resistant post-soldering residue solder paste provided by this application has the advantages of high temperature resistance, low spatter, and good wettability. Furthermore, the soldering effect is hard and firm, with full and bright solder joints. In addition, the preparation method provided by this application has the advantages of simplicity, ease of operation, and suitability for large-scale production and application.

The invention discloses an end-capped polyether ester defoaming agent with low surface tension and a preparation method thereof, and relates to the technical field of defoaming agents. The low-surface tension terminated polyether ester defoaming agent is prepared from the following raw materials in parts by weight: 60 to 70 parts of polyether ester, 3 to 5 parts of an emulsifier, 2 to 3 parts of silicon dioxide, 1 to 3 parts of a dispersing agent and 5 to 10 parts of deionized water. The emulsifier reacts with oleyl alcohol through N-dodecyl succinic anhydride to generate an ester compound; generating an epoxy compound from the ester compound under the action of formic acid and H2O2; reacting the epoxy compound with N-dodecyl methylamine to generate a tertiary amine compound; and reacting the tertiary amine compound with sodium chloroacetate to generate the surfactant. The low-surface tension end-capped polyether ester defoaming agent prepared by the preparation method disclosed by the invention has relatively low surface tension and good defoaming performance and stability performance.

The invention belongs to the technical field of base oil preparation, and provides bio-based polyol base oil and a preparation method thereof. The preparation method comprises the following steps: firstly, modifying polypropylene glycol by utilizing epoxidized soybean oil through catalysis of Lewis acid to prepare an epoxidized soybean oil modified polyether component; meanwhile, bio-based azelaic acid and branched chain alcohol are subjected to a high-temperature esterification reaction under the action of a catalyst, and a dibasic acid ester component with excellent low-temperature performance is prepared; in addition, citric acid is taken as a core framework and firstly reacts with oleyl alcohol to form an oil-soluble main body, then a benzoyl group is grafted and substituted by utilizing a hydroxyl site in the center, and finally an anti-wear metal passivation functional group containing a sulfur and nitrogen heterocyclic ring is introduced into a side chain through a thiol-ene reaction; the epoxidized soybean oil modified polyether, dibasic acid ester, a multifunctional additive and poly-alpha-olefin base oil are compounded, homogenized and blended to obtain a target product, and the prepared base oil has the advantages of a bio-based source and high-performance synthetic oil and has good lubricity and environmental friendliness.

The invention discloses a solubilizing agent and a preparation method thereof for improving the alkali resistance of an industrial cleaning active agent, and belongs to the field of cleaning active agent alkali resistance research technology. The solubilizing agent is compounded by a carboxylic acid compound, benzenesulfonate, alkyl glycoside 0810, hydrogenated castor oil, sodium dodecyl diphenyl ether disulfonate, an alcohol ether solvent, N, N-dimethyldecylamide DMDA, a phosphate active agent, oleyl alcohol polyoxyethylene ether 1602, carboxymethyl cellulose and urea; each component acts synergistically, an intermolecular force can occur, and the solubilizing effect of the industrial cleaning active agent in high alkali is synergistically improved. The solubilizing agent has a low modification temperature, and only 50 degrees can be used without high temperature heating, so it is low in cost and simple to operate.

The present application discloses a flaky iron phosphate and its preparation method and application, relating to the technical field of lithium-ion positive electrode materials. The preparation method of the flaky iron phosphate comprises the following steps: uniformly mixing oleyl alcohol and a lower alcohol having 1-4 carbon atoms, sequentially adding a trivalent iron salt solution and a solution containing phosphate to obtain a first solution; subjecting the first solution to a hydrothermal reaction, and after completion of the reaction, filtering, washing, drying, and calcining the product to obtain the flaky iron phosphate. The lithium iron phosphate obtained by the flaky iron phosphate prepared by the method disclosed herein has good charge and discharge performance as a positive electrode material for batteries.

The invention relates to the technical field of functional cosmetics, and discloses a rare earth sunscreen emulsion, which comprises the following components in percentage by mass: (a) an oil phase component: 5.0 to 15.0 percent of caprylic acid / capric triglyceride, 1.0 to 4.0 percent of cetostearyl alcohol, 0.5 to 2.0 percent of oleyl alcohol polyether-3 and 1.0 to 3.0 percent of oleyl alcohol polyether-5; (b) a water phase component: 1.0%-10.0% of AgNPs (at) composite powder, 2.0%-8.0% of glycerol, 0.1%-0.5% of xanthan gum and the balance of deionized water; (c) a preservative: 0.5%-1.0% of phenoxyethanol, and 0.1%-0.5% of ethylhexylglycerin; the oil phase component further comprises 0.1%-1.0% of tocopheryl acetate; the xanthan gum in the water phase component is replaced by 0.05 to 0.3 percent of carbomer; and the preservative further comprises 0.05 to 0.2 percent of capryloyl hydroximic acid. By means of the four-stage composite structure design, efficient cooperation of ultraviolet / blue light broad-spectrum protection, long-acting moisturizing and antibacterial functions is achieved, a green reduction technology and a bionic interface modification technology are combined, and product safety and environmental adaptability are remarkably improved.

The present invention discloses a triamcinolone acetonide and econazole nitrate cream, which comprises an aqueous phase and an oil phase. The aqueous phase matrix is one or more of polyoxyethylene castor oil, nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, polyoxyethylene oleyl alcohol, polyoxyethylene fatty alcohol, and polyoxyethylene methyl stearate; the oil phase matrix is one or more of isooctyl palmitate, isooctyl stearate, isopropyl palmitate, and dimethyl polysiloxane; it also contains an antibacterial agent, which is one or more of methylparaben and ethylparaben. The present invention also discloses a preparation method thereof. Experimental studies have proved that the quality of the present invention is stable.

The present invention provides a low-atomization fatliquor and a preparation method thereof, belonging to the technical field of fatliquors. The present invention uses oleyl alcohol and isostearic acid as raw materials to prepare the low-atomization fatliquor, overcoming the problems of high VOC content in the waste liquid of the existing low-atomization fatliquor, poor bonding fastness, poor yellowing resistance, easy generation of peculiar smell, poor aging resistance, etc. The low-atomization fatliquor provided by the present invention can improve the bonding fastness, and has properties such as yellowing resistance, odor resistance, aging resistance, etc. When used for leather fatliquoring, it can make the leather embryo after fatliquoring have better softness, comfortable surface oil feeling, low atomization value and excellent light resistance.

The application relates to the technical field of metal composite wire processing and manufacturing, and discloses a drawing forming preparation process of a copper-clad steel composite wire, which comprises the following steps: blending pentaerythritol tetraoleate, a thermal response phase change polymer concentrate, oleyl alcohol phosphate, a boronized fatty acid diethanolamide ester and N,N-bis (2-ethylhexyl) -4-methyl-1H-benzotriazole-1-methylamine into a thermal response type composite drawing liquid; pretreating and drying the surface of the wire; preheating through medium-frequency induction, controlling the temperature difference between the steel core and the copper layer to be not more than 15 DEG C; making the drawing liquid cover the wire from the annular liquid supply cavity on the inlet side of a pressure die, and making the wire sequentially pass through a water-cooled pressure die, a sealed transition cavity and a heating working die, so that plasticity is completed in the working die; cooling after ejection, blowing dry through an annular high-pressure air knife and winding. The technical scheme that the medium-frequency induction preheating is adopted and the temperature difference between the steel core and the copper layer is controlled to be within 15 DEG C achieves the technical effect of reducing the difference in deformation resistance of the bimetal.

The invention relates to a lipidosome composition containing centella asiatica extract as well as a preparation method, a preparation and application of the lipidosome composition, and belongs to the field of medical instruments, the field of medical or dressing preparations, the technical field of biological medicine manufacturing and the technical field of preparation manufacturing. The lipidosome composition provided by the invention comprises a supramolecular compound, a lipidosome bilayer, a nonionic surfactant and a solvent, wherein the supramolecular compound is coated with the liposome bimolecular layer; the supramolecular compound comprises an active component, a stabilizer and an electrostatic cross-linking agent, the active component comprises a centella asiatica extract; the stabilizer comprises Ectoine; the electrostatic cross-linking agent comprises L-arginine; the lipidosome bilayer is composed of lecithin; the non-ionic surface active agent is prepared from oleyl alcohol polyether-20; the solvent comprises polyol and water; the polyhydric alcohol comprises dipropylene glycol. The liposome composition provided by the invention has excellent stability and excellent skin repairing and anti-wrinkle effects.

The invention relates to the technical field of electroplating solution processing, in particular to an electroplating solution for HDI plate hole filling and a preparation method, and the electroplating solution is prepared from the following raw materials in parts by weight: 120-240 parts of copper salt, 10-15 parts of a complexing agent, 5-10 parts of a leveling agent, 45-70 parts of sulfuric acid, 10-20 parts of a stabilizer, 10-20 parts of a surfactant, 5-10 parts of a pH regulator, 8-12 parts of an accelerator, 8-12 parts of a brightener and 1000 parts of water. The stabilizing agent is prepared from 2-mercapto benzothiazide and dimethyl tin isooctyl dimercaptoacetate; the surfactant is prepared from oleyl alcohol polyoxyethylene carboxylate, cetylpyridinium chloride and sodium cocoyl glutamate. The electroplating liquid for filling holes of the HDI board, prepared by adopting a formula, effectively solves the problems of poor permeability, uneven current distribution and the like of blind hole copper filling in the electroplating process of the HDI board, so that the quality and the reliability of a plating layer are remarkably improved.

The present application relates to the technical field of asiatic acid, and particularly relates to an asiatic acid derivative and a preparation method. The asiatic acid derivative provided by the present application has R which is an alkyl group formed by removing a hydroxyl group from a saturated or unsaturated monohydric alcohol, and the saturated or unsaturated monohydric alcohol includes one of ethanol, octanol, hexadecanol, stearyl alcohol, 2-hexyl-1-decanol, decyltetradecin, oleyl alcohol, cis,cis-9,12-octadecadienol and bisabolol. The asiatic acid derivative of the present application has higher water solubility and oil solubility, especially oil solubility, so that the asiatic acid derivative has obviously enhanced liposolubility, is easily soluble in natural oil, alkane and other ester solvents, and has a significant inhibitory effect on EDNRA and TRPV1 and obviously enhanced bioactivity. The asiatic acid derivative of the present application has high availability, and the asiatic acid derivative has no safety risk.

The invention belongs to the technical field of medicines, and particularly discloses a non-surgical and non-filling wrinkle-removing and anti-aging skin-generating oil preparation for external use as well as a preparation method and application of the non-surgical and non-filling wrinkle-removing and anti-aging skin-generating oil preparation. The preparation method of the external skin-generating oil preparation comprises the following steps: (1) preparing freeze-dried powder of a skin-generating oil alcohol extract: respectively taking dry powder of gynura procumbens, pericarpium citri reticulatae, astragalus membranaceus, angelica sinensis, frankincense, herba epimedii, scutellaria baicalensis and golden cypress and borneol according to a certain weight part ratio, adding the dry powder and borneol into a container, adding an ethanol solution with the volume fraction of 40-90% into the container, soaking, carrying out flash extraction, and filtering to obtain the freeze-dried powder of the skin-generating oil alcohol extract; and concentrating the filtrate, and freeze-drying. (2) preparing a skin-generating oil preparation: dissolving the skin-generating oil alcohol extract freeze-dried powder and Span 60 in edible vegetable oil to obtain an oil phase; and dropwise adding the oil phase into a water phase obtained by dissolving Tween-60 and glycerol in ultrapure water, stirring, shearing at a high speed, and homogenizing at a high pressure, thereby obtaining the product. The external skin-generating oil preparation disclosed by the invention has the effects of quickly reducing the depth and quantity of wrinkles in a short time.

The invention discloses a moisture-proof and antibacterial board for a cabinet and a preparation method of the moisture-proof and antibacterial board, and belongs to the field of wood boards. The moisture-proof antibacterial plate for the cabinet comprises a base plate and an antibacterial coating coated on the outer surface of the base plate, the paint for the antibacterial coating comprises the following raw material components in parts by weight: 4-6 parts by mass of composite antibacterial particles, 10-14 parts by mass of flame-retardant polyurethane, 1-3 parts by mass of an antioxidant and 77-85 parts by mass of a solvent; the composite antibacterial particles are obtained by coating silver-loaded mesoporous titanium dioxide with sulfydryl functionalized mesoporous silicon dioxide; the flame-retardant polyurethane is obtained by carrying out polycondensation on a diisocyanate monomer, flame-retardant polyhydric alcohol and a dihydric alcohol monomer and then carrying out end sealing by using oil alcohol; the flame-retardant polyol is obtained by reacting vanillin and a polyamine monomer, and then reacting and grafting with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, so as to obtain the flame-retardant polyol; the prepared moisture-proof and antibacterial board for the cabinet is good in waterproofness and antibacterial property, and formaldehyde in the environment can be effectively degraded in the light environment.

The present invention belongs to the field of cosmetic technology, and in particular to a sunscreen foam aerosol containing cerium oxide and a preparation method thereof. The sunscreen foam aerosol provided by the present invention contains PEG / PPG / polybutylene glycol 8 / 5 / 3 glycerol, a balloon form toughness wrapping film, o-cymene 5-alcohol, allantoin, a solubilizing gas system, a foaming agent, cetearyl alcohol polyether 25, a sunscreen, di (PPG-2 myristyl alcohol polyether 10) adipate, PEG-75 shea butter glycerides, parahydroxyacetophenone, essence, 1,2-hexanediol, a propellant, water, etc. The sunscreen foam aerosol containing cerium oxide provided by the present invention has been pioneered in using a specific chemical sunscreen in combination with a cerium oxide physical sunscreen, which can effectively defend against UVB, UVA, blue light, while also having the functions of moisturizing, moisturizing, replenishing water, and having the functions of skin care and repairing on the basis of sunscreen.