151 results about "Alcohol-propylene glycol" patented technology

The invention provides a method for preparing ethylene glycol and 1,2-propylene glycol by using a high-concentration saccharide solution. Reaction raw materials comprise cane sugar, glucose, fructose, fructosan, xylose, soluble lower polyxylose and soluble starch. According to the method, high-concentration saccharide is used as a reaction raw material, and a high-pressure pump feeding mode is used in a reaction process which is performed in a high-pressure reaction kettle; iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium and platinum which serve as transition metal in eighth, ninth and tenth groups are used as hydrogenation active ingredients; the hydrogenation active ingredients form a composite catalyst together with metal tungsten, tungsten carbide, tungsten nitride, tungsten phosphide, tungsten oxide, tungsten sulfide, tungsten chloride, tungsten hydroxide, tungsten bronze, tungstic acid, tungstate, metatungstic acid, metatungstate, paratungstic acid, paratungstate, peroxotungstic acid, peroxotungstate and tungsten-containing heteropolyacid which serve as catalytic active ingredients; and the high-concentration saccharide solution can be efficiently prepared into the ethylene glycol and the propylene glycol at high selectivity and high yield in a one-step catalytic conversion process under the hydrothermal condition that the temperature is 120 to 300 DEG C and the hydrogen pressure is 1 to 13MPa. By the method, the problem of coking of the high-concentration saccharide in the catalytic conversion process can be effectively solved, and high-concentration ethylene glycol and propylene glycol can be prepared by the high-concentration saccharide.

A process for making modified polybutylene terephthalate random copolymers from a polyethylene terephthalate component includes reacting an oligomeric diol component selected from the group consisting of bis(hydroxybutyl)terephthalate, bis(hydroxybutyl)isophthalate, hydroxybutyl-hydroxyethyl terephthalate, and combinations thereof to a reactor; (i) a polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers with (ii) a diol component selected from the group consisting of 1,4-butanediol, ethylene glycol, propylene glycol, and combinations thereof, in the reactor under conditions sufficient to depolymerize the polyethylene terephthalate component into a first molten mixture; combining the first molten mixture is combined with 1,4-butanediol under conditions to form a second molten mixture; and placing the second molten mixture under conditions sufficient to produce the modified polybutylene terephthalate random copolymers. Also described are compositions and articles made from the process.

An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and / or a viscosity modifier. In other exemplary embodiments a second solvent is also included, and the composition has a viscosity substantially between about 100 cps and about 25,000 cps at about 25° C. In an exemplary embodiment, a composition comprises: a plurality of diodes or other two-terminal integrated circuits; one or more solvents comprising about 15% to 99.9% of any of N-propanol, isopropanol, dipropylene glycol, diethylene glycol, propylene glycol, 1-methoxy-2-propanol, N-octanol, ethanol, tetrahydrofurfuryl alcohol, cyclohexanol, and mixtures thereof; a viscosity modifier comprising about 0.10% to 2.5% methoxy propyl methylcellulose resin or hydroxy propyl methylcellulose resin or mixtures thereof; and about 0.01% to 2.5% of a plurality of substantially optically transparent and chemically inert particles having a range of sizes between about 10 to about 50 microns.

A cohesion agent for casting module and making core is provided, which is characterized in that: the mass per centage ration of the main chemical component of the cohesion agent is SiO2, 23 to 31, K2O 0.5 to 28, Na2O 1 to 21, modifying agent 0.5 to 21 and excess water. Wherein, the modifying agent chooses one or two in sorbierite, xylitol, mannite, maltitol, glycol, propanediol, glycerol, pentaerythritol, diglycol, propylene glycol, carbowax, PPG and polyglycerol, the adding volume is 0.5 to 21 per cent. When using the cohesion agent to prepare sand mole core, the dosage is little, the old sand can be recycled and the prepared core has good collapse performance.

The invention relates to a method for catalyzing alcoholysis performed on polyethylene glycol terephthalate (PET) by using CoCl42- / NiCl42-type ionic liquid. The method is characterized by comprising the following steps: taking the CoCl42- / NiCl42-type ionic liquid as a catalyst; taking one or more of ethylene glycol, diethylene glycol, propylene glycol, butanediol, pentanediol and hexanediol as a solvent; and performing alcoholysis on the PET under the conditions of the dosage of the catalyst being 0.1%-20% of the mass of the solvent, the reaction temperature at 120-240 DEG C, the pressure at 1atm and the reaction time of 1 minutes to 8 hours. The method has the advantages of mild reaction conditions, high-speed reaction, high conversion rate, easiness in separating products, high catalytic activity, high selectivity, reusable catalyst, and the like.

A process for converting a sugar, sugar alcohol, or glycerol to a valuable chemical is described. The process may use a support comprising zirconium oxide promoted by a polyacid or promoter material. A catalytically active metal may be impregnated on the polyacid-promoted zirconium oxide support and the catalyst may then be introduced the sugar, sugar alcohol, or glycerol a source of hydrogen under reaction conditions. At least 40 wt % of the sugar, sugar alcohol or glycerol may be converted to a polyol and / or a shorter carbon-chain alcohol that may include at least one of propylene glycol, ethylene glycol, glycerin, methanol, ethanol, propanol and butandiols. Specific processes for converting glycerin having a selectivity for propylene glycol and for converting sorbitol with a selectivity for propylene glycol, ethylene glycol, and / or glycerin are also described.

The invention discloses a preparation method of an eucommia extract product, comprising the following steps of: (1) extraction of a solvent, wherein the solvent is selected from water, methanol, ethanol, isopropanol, 1-butanol, glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butylene glycol, acetone, ethyl acetate or their combination; (2) separation of an extract and residue so as to obtain the extract; (3) recovery of the optional solvent; and (4) optional dissolution or dilution. The eucommia extract product obtained by the method has antioxidation and UVA and UVB irradiation resistant effects, and can be used for ageing resistance of skin, especially light ageing resistance. The eucommia extract product can be used as a cosmetic additive or medicinal active component. The invention also discloses an application of the eucommia extract product in preparation of cosmetics or medicines for skin ageing resistance, especially for light ageing resistance.

The invention relates to a catalyst for catalyzing and hydrolyzing glycerol and a preparation method thereof as well as a method for preparing fatty alcohol with low carbon number by using the catalyst to catalyze and hydrolyze the glycerol. In the invention, a supported metal-acid difunctional catalyst is used, so that the glycerol is hydrolyzed under the mild reaction condition to prepare 1-propanol, 2-propanol, propanediol, acetol and the like.

The invention provides a method for preparing a graphene-based composite material for a super-capacitor on the basis of an electrostatic spray deposition technology, and belongs to the field of storage of new generation of energy. The method comprises the following steps of: (1) cleaning a current collector, and placing the current collector on a heating plate; (2) dispersing an aqueous solution and an active material of oxidized graphene in a mixed solution consisting of water, ethanol, ethylene glycol and propylene glycol, stirring the mixture, performing ultrasonic treatment on the mixture, uniformizing the mixture and then transferring the mixture to a syringe; and (3) adding a high-voltage electrostatic field between the syringe and a base plate, feeding liquid at the pushing speed of 3-15ml / h, keeping the heating temperature of the heating plate in a range of 200-300 DEG C, and depositing the mixture for 2-10 hours so as to obtain a graphene-active material / current collector composite material. The problem of agglomeration in a process of preparing graphene-based composite materials by using the conventional chemical method is solved. The oxidized graphite is assembled into a porous structure on an electrode in the reduction and drying processes, contact conditions of the material and the current collector are improved, and embedment / separation of lithium ions in the material is facilitated. The method is simple in process; and the graphene-based component material is easy to produce in batches, and has high practical value.

The invention provides an air purification agent special for a haze prevention window screen. The air purification agent special for the haze prevention window screen is composed of, by mass, 0.5-10% of grease, 0.1-0.5% of plant essential oil, 0.5-5% of viscous matter, 5-20% of surface active agents, 3-20% of hydrotropy agents (ethyl alcohol or isopropanol), 5-10% of wetting agents (glycerinum, sodium lactate and the like), 1-10% of antifreezing agents (glycol, propylene glycol or glycerinum) and 20-80% of deionized water. The invention further relates to a preparation method and application of the air purification agent special for the haze prevention window screen. The air purification agent has the special film formation and adhesion functions, can capture particulate matter going out or coming into the window screen, directly blocks the haze particulate matter out of a window to achieve the purpose of purifying the indoor air, and has the functions of sterilization, desinsectization and the like.

The invention discloses phosphorous flame-retardant unsaturated polyester resin and a preparation method thereof. A formula of the phosphorous flame-retardant unsaturated polyester resin comprises the following components in percentage by weight: 18.39%-25.04% of maleic anhydride, 8.47%-25.35% of DOPOMA (2-[10-(9,10-dihydro-9-oxa-10-phosphaphenantrene-10-oxide-10-yl)] maleic acid), 13.45%-18.91% of phthalic anhydride, 6.80%-7.70% of glycol, 24.26%-27.70% of propylene glycol, 11.75%-12.95% of diethylene glycol, 5.1%-7% of a water-carrying agent, 0.02% of a catalyst, 0.02% of a polymerization inhibitor, 25%-35% of a cross-linking agent, and 25%-35% of a diluent. The preparation method of the polyester resin comprises the steps of synthesizing the raw material DOPOMA with DOPO and MA at a molar ratio of 1:1.05, adding maleic anhydride, phthalic anhydride, glycol, propylene glycol and diethylene glycol, and directly synthesizing the flame-retardant unsaturated polyester resin with a one-step method.

A gel medicine containing ciclopirox olamine for skin and vagina is proportionally prepared from ciclopirox olamine, carbomer, alcohol, propanediol, triethanolamine, bisodium versenate, polysorbide, and water. Its preparing process is also disclosed.

The invention provides high-stability moisture preservation sun-screen cream, which is prepared from cyclopentasiloxane, cyclohexasiloxane, titanium dioxide, caprylic / capric triglyceride, C12-15 alcohol benzoate, CI 77891, PEG-30 dihydroxy stearate, polydimethyl siloxane crosslinked polymers, ethylhexyl methoxycinnamate, disteardimonium hectorite, propylene garbonate, cetyl dimethicone, stearoyl inulin, tocopheryl acetate, bis-PEG / PPG-14 / 14 polydimethylsiloxane, cetyl PEG / PPG-10 / 1 polydimethylsiloxane, cyclopentasiloxane, PEG / PPG-18 / 18 polydimethylsiloxane, sucrose polyoleate, butanediol, propanediol, sodium chloride, 1,2-hexanediol, 1,2-pentanediol, allantoin, EDTA-disodium, butanol polyether-3, azimino-benzene butyl sodium phenolsulfonate, tributyl citrate, lycine, sodium hyaluronate, niacinamide, creatin, methyl hydroxybenzoate, peony root extracts, rice fermentation product filter liquid and phenoxyethanol. The formula design is reasonable; the irritation is small; the stability ishigher than that of a conventional sun-screen cream; the sun-screen and moisture preservation effects are ensured; the formation of free radicals is reduced; the anti-aging function is achieved.

The invention discloses a metallic workpiece pretreatment silane surface treatment agent which is a mixed liquor prepared by the following components based on the weight (gram) in each liter of the mixed liquor: 15-20 parts of A-187 silane coupling agent, 3-4 parts of film-forming material, 7-8 parts of KH-570 silane coupling agent, 3-4 parts of acrylic resin emulsion, 3-5 parts of sodium molybdate, 0.05-0.1 parts of lanthanum nitrate, 0.8-1.2 parts of ethylene glycol, 13-15 parts of propylene glycol, 0.1-0.3 parts of oxalic acid, 2-4 parts of phytic acid, 90-95 parts of methyl alcohol, and the balance of deionized water. The silane coupling agent KH572, ammonium molybdate, propylene glycol, borax, sodium tripolyphosphate and the like are taken as the film-forming materials and reaction raw materials to perform polymerization, form the stronger protective film for the metallic workpiece pretreatment, and strengthen the corrosion resistance of the metallic matrix.

The present invention belongs to the field of building material technology, in the concrete, it relates to a waste rubber powder flexible acrylic acid water-base joint-filling material and its preparation method. It is made up by using rubber powder obtained by processing waste tyre as aggregate, and mixing it with the chemical raw materials of acrylic acid elastic emulsion, sodium hexametaphosphate, sodium benzoate, ethylene glycol, propylene glycol, polydimethylsiloxane, methyl cellulose, calcium carbonate and colouring agent according to a certain mixing ratio.

The invention discloses an andrographolide concentrated liquid, which comprises active component andrographolide, a solubilizer, a mixed solvent, an antioxidant and a pH modifier, and is characterized in that the weight ratio of the solubilizer and the andrographolide is (10:1) to (100:1); the concentration of the andrographolide in the concentrated liquid is 5-50mg / mL; the mixed solvent is selected from one or more of ethyl alcohol-water, ethyl alcohol-glycerinum, ethyl alcohol-propylene glycol, tert-butyl alcohol-water, tert-butyl alcohol-glycerinum, tert-butyl alcohol-propylene glycol, propylene glycol-water and propylene glycol-glycerinum. The andrographolide concentrated liquid formula can be applied to oral administration or parenteral administration after being diluted with sterile water for injection, a glucose injection, a 0.9% sodium chloride injection and 0-20% F68 solution, and can also be mixed with a filler and (or) a freeze-drying protecting agent to prepare a powder preparation or a freeze-dried agent by a spray drying or freeze-drying technique.

The invention discloses Chinese torreya essential oil soap. The soap contains the following components in percentage by weight: 7 to 10% of water, 13 to 18% of sorbitol, 8 to 10% of propylene glycol, 15 to 18% of stearic acid, 8 to 12% of lauric acid, 3 to 6% of glycerinum, 6 to 8% of AES, 20 to 25% of saccharose, 0.6 to 1.5% of wool fat, 0.2 to 0.5% of sodium hydroxide, 1 to 3% of alkyl glycoside, 1 to 2% of potassium cocoyl glycinate, 1 to 2% of Chinese torreya essential oil, 0.4 to 0.7% of daily chemical fragrance compound and 0.3 to 0.6% of a Curasao Aloe extract. The Chinese torreya essential oil soap can solve the detects in the prior art, and is a good skin care product capable of moistening skin, delaying senescence and promoting cell metabolism when used at home or during travel.

The invention relates to a skin-lightening anti-aging peptide facial cream, comprising the following ingredients: water, 1, 3-Butanediol, Methyl Nipagin, Panthenol, Nicotinamide, Sodium Hyaluronate, Ethylenediamine Tetraacetate Disodium; Cetyl Stearyl Glucoside, HE Olive Oil Emulsifier, Cetyl Stearyl Alcohol, Octyl Glycol, Propylene Glycol, 1, 3-Propylene glycol, triethoxyoctylsilane, isohexadecane, octanoic acid / capric acid triglyceride, isonononyl isonanoate, ascorbic acid, VE acetate, polydimethylsiloxane; Ethyl hexyl glycerol; Carnosine, Callus Culture Filtrate, Small Molecular Weight Polypeptide Essence, Starch Octenyl Aluminum Succinate, Mica Powder, Milo Wood Extract, Octanoyl Hydroxamic Acid, Phenoxyethanol, Hydrolyzed Collagen, Glycyrrhiza glabra, Ubiquinone, Lecithin; Caramel Color, Flavor. The invention is thinly coated in the morning to moisturize and protect against external oxidation and pollution; Night thick coating, effective use of prime time night soothing, repair skin, moisturizing, brightening skin tone, anti-oxidation.

The invention discloses mixed gel skeleton ibuprofen cataplasm and a preparation technique thereof and belongs to the technical field of medicines. The mixed gel skeleton ibuprofen cataplasm preparation is mainly composed of raw material drugs (non-steroidal anti-inflammatory drug ibuprofen and the slat form thereof ), mixed gel skeletons (sodium polyacrylate, crosslinked sodium polyacrylate and the like), plasticizers (sodium alginate, polyving akohol, polyethylene glycol, triethyl citrate and the like), thickening agents (polyvinylpyrrolidone, carbomer, methylcellulose, ethyl cellulose and the like ), humectants (glycerol, sorbitol, propylene glycol, 1,3-butanediol and the like), pH regulators (citric acid, tartaric acid, lactic acid and the like ), penetration enhancers (menthol, diethylene glycol monoethyl ether, octanoic acid capric acid polyethylene glycol glyceride, polyethylene glycol glyceride and the like), water, a backing layer and a release film. The mixed gel skeleton ibuprofen cataplasm and the preparation technique thereof have the following characteristics that (1) the drug loading capacity of the preparation is high, the main drug and addition agents are stable in a hydrogel mechanism and low in drug blocking performance, the preparation can be released continuously for 12 hours, and the residual drug amount is less after using; (2) organic solvents are not used in a prescription and in the preparation process, so that skin irritation is avoided; (3) good adhesiveness is achieved, and residues are avoided at the time of peeling; and (4) the preparation process is simple and convenient to implement, and pollution is avoided.

The invention discloses a special anti-radiation cleaning agent for fruits and vegetables. The composition is as follows: polyhexamethylene biguanide hydrochloride 2.4%, 1,3-butanediol 5.0%, propylene glycol 2.0%, alkyl gluconate 6.0%, propyl Betaine 2.0%, glycerol 2.0%, chelating agent EDTA-2Na 0.3%, essence 0.1%, deionized water 80.2%; the preparation is as follows: deionized water is put into the reaction kettle, and the temperature is raised to 45-50°C and maintained; Chelating agent EDTA-2Na, add 1,3-butanediol, propylene glycol, alkyl gluconate, propyl betaine, glycerol in sequence, add polyhexamethylene biguanide hydrochloride, wait until all materials are dissolved, stop Heat and cool down to 25-30°C, add essence, stir and reflux; stand still, transfer the qualified materials into storage tanks; quantitatively pack the materials in the storage tanks, and put them into the finished product warehouse. The cleaning agent of the present invention uses the radiation substance chelating agent to chelate the radiation substance polluted on the skin of fruits and vegetables, and the high-efficiency and broad-spectrum bactericide is used as a disinfection factor, synergistically synergistically, so that the two aspects of radiation cleaning and disinfection are perfectly combined.

The invention relates to a cleaning agent and a preparation method and application thereof, and belongs to the field of resource environment waste disposal. The cleaning agent is characterized by being prepared by adopting and sequentially mixing surface active agents such as sodium dodecyl sulfate and polyoxyethylene fatty alcohol sodium sulfate which have the effects of permeating, foaming and emulsifying, acid-alkali agents such as sodium hydroxide, potassium hydroxide and barium hydroxide which have the effect of regulating the acidity and alkalinity, moisturizing agents such as ethylene glycol and propylene glycol which have the effect of keeping the humidity and solvent such as isopropyl alcohol, ethyl alcohol and propylene glycol monomethyl ether which have the effect of dissolving. The cleaning agent and the preparation and application thereof have the advantages that the cleaning agent is sprayed to solid matter to be permeated and dissolved for 5-10 min and then smeared with a cleaning cloth, and advertising stickers, ink marks, pressure-sensitive adhesive marks, mark pen writing and the like on the surface of the solid matter can be quickly and conveniently removed.

The invention relates to a quick circuit board cleaning agent. The quick circuit board cleaning agent is prepared from the following raw materials in parts by weight: 15-20 parts of 1,1,2-trichlorotrifluoroethane, 12-15 parts of menthol, 30-40 parts of ethanol, 2-3 parts of sodium polyacrylate, 1-2 parts of alkenyl succinic acid, 20-24 parts of propylene glycol, 20-25 parts of propanediol butyl ether, 2-3 parts of diffusant NNO, 3-4 parts of sodium dioctyl succinate sulfonate, 4-5 parts of adjuvants and 100-120 parts of deionized water. The cleaning agent disclosed by the invention has the advantages that the effect of cleaning residual contaminants on printed circuit boards is good, the cleaning agent is non-corrosive, electronic devices on the printed circuit boards are difficultly damaged, the requirements for environmental protection are met, and the preparation process is simple; the cleaning agent is of a water emulsion type, so that the cost is low; the adjuvants of the cleaning agent can form a protective film on the surface of a circuit board, so as to isolate air to prevent water and other molecules in the atmosphere from corroding the circuit board to resist oxidation and prevent short circuit, and the implementation of a next production process is facilitated.

The present invention relates to a dichlorvos and pyridaben mixed smoking agent and its preparation. Its composition includes (wt%) 5-40% of dichlorvos and pyridaben, 0.1-10% of cosolvent, 20-90% of high boiling point solvent and 0.1-30% of compound surfactant. The high boiling point is one of arene No.2 and No.3, liquid paraffin, white oil, chloroben, diglycol and triglycol or several kinds of them, and the cosolvent is one of methyl-sulfoxide, N,N-dimethylformamide, ethanediol and propanetriol or several kinds of them, and the compound surfactant is one of calcium alkylbenzenesulfonate, alkylphenol ethoxylates, phenethylphenol ethoxylates, alkylphenol ethoxylates formaldehyde condensate, castor oil polyethenoxy ether and sec-alkylol polyethenoxy ether or several kinds of them. Besides, it provides its preparation method.

The invention discloses a method for preparing electronic cigarette essence from green tea. The method includes the following steps that firstly, green tea, dried lemon slices and peanut coats in a certain proportion are extracted by means of a Soxhlet extracter; secondly, ethyl acetate is used as a solvent; thirdly, the green tea extracts are dissolved in an ethyl alcohol-propylene glycol-water compound solvent in a re-dissolving mode; fourthly, insoluble substances are removed in a high-speed centrifugal mode. A clarified solution obtained after centrifugation is the novel green tea electronic cigarette essence. The method is characterized in that fragrant substances in green tea are mildly extracted through the Soxhlet extracter, so that the green tea electronic cigarette essence is lasting and mellow in fragrance and well meets requirements of electronic cigarettes.

The present invention discloses a method for preparing a saussurea involucrata cell extract by using a multi-component liquid system. The multi-component liquid system of water, butanediol, and propylene glycol is mainly used to extract effective components in saussurea involucrata cells. The butanediol specifically refers to 1,3-butanediol and the propylene glycol refers to 1,3-propylene glycol;and in the multi-component liquid system, a concentration range of the butanediol is 0-70%, content of the propylene glycol is 0-70% and content of the water is 20-90%. The method avoids disadvantagescaused by complete water extraction and ethanol extraction, increases stability of the product, improves quality of the product, and at the same time, enables the saussurea involucrata cells to be more prominent in skin-care effects in cosmetics due to skin-care effects of the butanediol and propylene glycol.

The invention relates to a spun-bonded non-woven fabric with a function of preventing diaper rashes. The spun-bonded non-woven fabric is mainly used for surface layers of disposable nappies. The function of preventing the diaper rashes of the spun-bonded non-woven fabric is realized by finishing with a special finishing agent which comprises the following components in percentage by weight: 18% of cetyl stearyl alcohol ether-20, 10% of didecyl dimethyl ammonium chloride (containing 70% of active matters), 12% of polyoxyethylene lauryl ether-9, 6% of sucrose octasulfate, 3% of bisabolol, 2% of pentanediol, 3% of 1,3-propylene glycol and the balance of deionized water. The invention also discloses a finishing method of the spun-bonded non-woven fabric.

The invention belongs to the technical field of cosmetics, and in particular relates to a strong antioxidant skin care product containing peony seed antioxidant peptide, and a preparation method of the strong antioxidant skin care product. According to the formula, the strong antioxidant skin care product is prepared from the following components: 1-5% of glycerin, 1-3% of ubiquinol, 5-10% of propylene glycol, 0.1-1% of xanthan gum, 1-10% of ethanol, 1-3% of polyoxyethylene-2-stearic acid alcohol ether, 0.01-0.5% of hyaluronic acid, 1-5% of methylcellulose, 0.1-0.5% of methylparaben, 1-3% of glycine, 0-0.02% of citric acid, 0.001-0.1% of peony essential oil, 0.01-0.1% of peony polypeptide and the balance of water. The skin care product prepared by the method has strong anti-oxidation ability, can remove free radicals generated by the skin and repair the physiological function of the cells, and can delay the skin aging after being used for a long time; the peony essential oil cooperateswith the peony seed antioxidant peptide, so that the effects of all the effective components in the skin care product are enabled to be maximized. The strong antioxidant skin care product is suitablefor all skin types, and is safe, environmentally-friendly and free from toxic and side effects.

The invention discloses a method for preparing spherical aluminum oxide by an oil column forming process, and is characterized in that low-carbon alcohol is added into aluminum sol, and the mass of the low-carbon alcohol accounts for 2%-10% of that of the aluminum sol generally. The low-carbon alcohol is one or a mixture of ethanol, propanol, isopropanol, butanol, isobutanol, ethylene glycol, propylene glycol, glycerol, butanediol and the like. The particle size of the spherical aluminum oxide obtained by the method is generally 1.6-2.0 mm, and the spherical aluminum oxide can be used as a catalyst or a carrier to be widely applied to the field of petrochemical engineering or fine chemical engineering.

The invention discloses an etching solution composition capable of etching a molybdenum / copper / molybdenum or molybdenum alloy / copper / molybdenum alloy three-layer metal wiring structure and an application of the etching solution composition. The etching solution composition comprises the following components of hydrogen peroxide, dihydric alcohol, an etching inhibitor, a chelating agent, an etchingadditive, a pH regulator and water, wherein the dihydric alcohol is one or more of ethylene glycol, propylene glycol, diethylene glycol, propane-1,2-glycol, triethylene glycol, 1,2-propylene glycol,1,3-propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, cyclopentane-1,2-glycol, and cyclohexane-1,4-glycol. Accordingto an etching solution, decomposition of the hydrogen peroxide is slowed down, the service life of the etching solution is prolonged to 3000 ppm to 4000 ppm, the etching solution cost in the production and manufacturing process is greatly reduced, and a safety coefficient of the etching solution is improved.

The invention discloses cleansing oil and a preparation method thereof. The cleansing oil is prepared from the following components: 1-20 parts of a component A, wherein the component A is is wild almond oil polyglycerol-6 esters with an HLB value of 9-12; 1-20 parts of a component B, wherein the component B is one or more of diester of fatty acid with the carbon atom number of 8-24 and polyglycerol and monoester of unsaturated fatty acid with the carbon atom number of 12-22 and polyglycerol; 65-90 parts of a component C, wherein the component C is one or more of diester oil of dihydric alcohol and branched chain fatty acid, diester oil of dicarboxylic acid and branched chain aliphatic alcohol and the like; 0.01-5 parts of a component D, wherein the component D is one or more of PEG (Polyethylene Glycol) / PPG (Polypropylene Glycol) / polybutylene glycol-8 / 5 / 3 glycerol, PPG-14 polyglyceryl-2 ether, butanediol, 1, 2-propylene glycol, 1, 3-propylene glycol, polyethylene glycol-8, dipropylene glycol, 1, 2-pentanediol and 1, 2-hexanediol; the preparation method comprises the following steps: S1, uniformly mixing the components A-C at 55-70 DEG C to obtain a first mixture; s2, cooling the first mixture to 45 DEG C, adding a component D, and uniformly mixing to obtain a finished product. The cleansing oil disclosed by the invention is high in cleansing capacity, high in emulsifying speed and easy to clean.