10 results about "Octyl Alcohols" patented technology

The invention provides a silicon dioxide and amorphous indium tin oxide selective etching solution. The silicon dioxide and amorphous indium tin oxide selective etching solution comprises an alcohol substance, a fluorine-containing substance, a corrosion inhibitor, a surfactant and the balance of water. The alcohol is one or a combination of more of ethylene glycol, polyethylene glycol, glycerol, isooctanol or isopropanol. The fluorine-containing substance is one or a combination of more of hydrofluoric acid, ammonium fluoride or ammonium bifluoride. The etching inhibitor is one or a combination of more of N, N-diisopropylethylamine, 2-hexylbenzimidazole, hydroxyethylidene-1, 1-diphosphonic acid, 5-oxo-4, 5-dihydropyrazolo [1, 5-a] pyrimidine-3-formonitrile or 5-chloro-[1, 2, 4] triazolo [1, 5-a] pyrimidine. The surfactant is one or a combination of more of polyethylene glycol mono-p-tert-octylphenyl ether, polyethylene glycol-propylene glycol monobutyl ether or coconut oil fatty acid diethanolamide. The etching solution can quickly remove a silicon dioxide deposition layer on the premise that the etching rate of amorphous indium tin oxide is smaller than or equal to 0.03 nm / min, the etched surface of silicon dioxide is smooth after etching, and etching of silicon dioxide and amorphous indium tin oxide has a high selection ratio.

The invention relates to a method for evaluating the sensory quality of a tea aroma type distilled liquor based on instrumental analysis. The method comprises the following steps: 1) preparing a mixed standard solution containing linalool, alpha-terpineol, methyl salicylate, ethyl acetate, ethyl hexanoate, ethyl caprylate, ethyl caprate, ethyl laurate, isobutanol and isoamyl alcohol by adopting an ethanol aqueous solution; (2) preparing a sec-octanol internal standard solution by adopting absolute ethyl alcohol; 3) mixing the mixed standard solution or the tea aroma type distilled liquor with ultrapure water, sodium chloride and an internal standard solution to prepare a mixed standard substance test solution or a sample test solution; (4) analyzing the standard solution to be tested and the sample solution to be tested through an HS-SPME-GC-MS method, and calculating the content of 10 key flavor substances in the sample solution; and 4) judging the sensory quality of the sample according to a certain standard. According to the method, the sensory quality of the wine body is objectively evaluated according to the contents of the 10 key flavor substances in the tea flavor type distilled wine, and a reliable basis is provided for product quality control and market promotion.

Method of forming alcohol ethoxylate polymers using a catalyst. The method comprising reacting an ethylene oxide; and an alcohol which can be selected from butanol, octanol, decanol, docosanol and non

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.

A plasticizer and a method for manufacturing the plasticizer are provided. The method includes steps as follow. A dicarboxylic acid, a diol, and a catalyst are mixed to form a reactant mixture. The reactant mixture is reacted at a temperature ranging from 130° C. to 220° C. to form a semi-product. An endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. to form a coarse plasticizer. The coarse plasticizer is purified under a pressure ranging from 760 Torr to 5 Torr to obtain the plasticizer. The dicarboxylic acid includes a first dicarboxylic acid and a second dicarboxylic acid, and the second dicarboxylic acid is adipic acid. The diol includes diethylene glycol and 2-methyl-1, 3-propanediol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. A molar ratio of dicarboxylic acid:diol:the endcapping alcohol ranges from 1:0.6 to 0.9:0.3 to 0.6.

The application relates to the technical field of cleaning agents, and particularly discloses a low-foaming active agent for beverage container cleaning and a preparation method thereof.The low-foaming active agent for beverage container cleaning is prepared from the following raw materials in parts by weight: 10-20 parts of sodium hydroxide, 15-28 parts of alkyl polyglycoside, 27-50 parts of octanol polyoxyethylene ether, 15-25 parts of fatty alcohol sulfonate, 5-12 parts of a stabilizer and 60-80 parts of water; the preparation method of the low-foaming active agent comprises the following steps: S1, adding sodium hydroxide and the stabilizer into water, stirring until completely dissolved to obtain a mixed solution; S2, adding alkyl polyglycoside, octanol polyoxyethylene ether and fatty alcohol sulfonate into the mixed solution, stirring until completely dissolved to obtain the low-foaming active agent for beverage container cleaning.The low-foaming active agent prepared by the application can effectively reduce the generation of foam, accelerate the disappearance of foam, and significantly improve the cleaning ability and efficiency of the cleaning agent.

The utility model relates to the technical field of production of butanol and octanol, and discloses an energy-saving device for producing butanol and octanol, which comprises a support frame and a reboiler shell, a thermal insulation sleeve is arranged in the middle of the reboiler shell, a connecting pipeline is arranged at the upper end of the reboiler shell, the support frame is arranged on the surface of the lower end of the reboiler shell, and the thermal insulation sleeve is connected with the connecting pipeline. The supporting frame comprises a supporting base, a supporting rod and a clamp, the supporting rod is fixedly connected to the surface of the bottom end of the supporting base, and the supporting base is installed at the lower end of the clamp. According to the energy-saving device for producing butanol and octanol, the clamping plate, the supporting base and the limiting frame are arranged, the limiting frame rotates on the surface of the supporting base, and therefore the position of the clamping plate can be determined, the clamping plate can clamp and fix a reboiler shell, the reboiler shell can be prevented from shaking, and the safety of the reboiler shell can be protected; therefore, the service time of the reboiler shell can be prolonged.

The application relates to an alcohol-based environment-friendly clean fuel and a preparation method thereof, and relates to the technical field of fuels.Taking weight parts as a basis, the alcohol-based environment-friendly clean fuel comprises the following components: 15-35 parts of methanol, 5-12 parts of ethanol, 2-5 parts of dimethylbenzene, 1-3 parts of benzene, 3-7 parts of 60-90 petroleum ether, 8-15 parts of a combustion improver, and 2-6 parts of an additive; the additive is prepared from oil and fat soap, polyoxoethylene sorbitan tetraoleate and Span 80; and the combustion improver is prepared from octanol, glycerol, isopropyl alcohol and acetone. By adding the specific additive and the specific combustion improver, the two are used in combination, the combustion stability of the alcohol-based environment-friendly clean fuel is improved, the combustion heat value of the alcohol-based environment-friendly clean fuel is improved, an alcohol-based environment-friendly clean fuel with stable combustion and high heat value is prepared, and the use demand in fields such as automobiles can be met.

The invention discloses a water-based metal cleaning agent as well as a preparation method and application thereof. The water-based metal cleaning agent comprises water, a preservative and the following preparation raw materials in percentage by mass: 0.1%-0.3% of a nonionic surfactant A, 4%-6% of a nonionic surfactant B, 0.2%-0.5% of isooctyl alcohol polyoxyethylene ether phosphate and 1%-3% of a chelating agent, the nonionic surfactant A is selected from at least one of nonylphenol polyoxyethylene ether and octylphenol polyoxyethylene ether, and the number of oxyethylene units in the molecular structure is 6-8; the nonionic surfactant B is selected from at least one of cocoanut fatty acid diethanolamide and cocoanut fatty acid monoethanolamide. The cleaning agent has excellent metal surface cleaning capability, good low-foaming property and easy rinsing property. The invention further provides a preparation method and application of the water-based metal cleaning agent.

A plasticizer and a method for manufacturing the plasticizer are provided. The method for manufacturing the plasticizer includes steps as follows: mixing a dicarboxylic acid, a diol, and a catalyst to form a reactant mixture; reacting the reactant mixture at a temperature ranging from 130° C. to 220° C. so as to form a semi-product; adding an endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. so as to form a coarse plasticizer; purifying the coarse plasticizer under a pressure ranging from 760 Torr to 5 Torr so as to obtain the plasticizer. The dicarboxylic acid includes adipic acid. The diol includes a polyglycol and a saturated fatty alcohol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. The dicarboxylic acid, the diol, and the endcapping alcohol have a molar ratio ranging from 1:0.6 to 0.9:0.3 to 0.6.