488 results about "Benzyl alcohol" patented technology

The invention discloses a Huangguanyin black tea processing technology. The Huangguanyin black tea processing technology utilizes Huangguanyin which is a Tieguanyin-Huangjingui hybrid as a raw material. The Huangguanyin black tea has effects of generating body fluid and clearing heat, inducing dieresis, diminishing inflammation and killing bacteria, removing toxins, and nourishing stomach. The Huangguanyin black tea processing technology improves the existing processing technology, reduces volatilization of aromatic alcohol, geraniol, benzyl alcohol, alpha-phenethyl alcohol, cis-3-vinyl ester and methyl salicylate, and reduces harmful substances such as trans-2-hexenal. Through the Huangguanyin black tea processing technology, the Huangguanyin black tea has a good fragrance, a mellow taste and a golden color.

The invention discloses a tobacco extract, an extracting method and application and belongs to the field of tobacco additives. The tobacco extract is extracted with the method including the following steps that firstly, propylene glycol is added into tobacco raw materials, and then baking is carried out after standing; secondly, smashing is carried out, and a solvent is added into powder materials for extraction; thirdly, extract liquid passes through an ultrafiltrtion membrane, penetrating liquid is obtained and subjected to reduced pressure distillation, and concentrate is obtained; fourthly, the concentrate is subjected to secondary separation with a molecule distillation method, light components are collected, and the tobacco extract is obtained. The extract contains rich megastigmatrienone, Damascone, neophytadiene, phenylcarbinol, phenethyl alcohol, farnesylacetone and pyrone and furanone aroma components, and the tobacco extract is thick in baking aroma and tobacco aroma, good in penetration, small in irritation and miscellaneous gas, high in satisfaction, capable of improving the smoking quality of cigarettes and providing a certain amount of nicotine to meet the physiological needs of consumers when used.

The invention discloses a method for preparing a tungsten disulfide nano sheet. The method is achieved by the following technological processes: adding a certain amount of Li2CO3 powder, directly commercially purchased WS2 powder and 40mL of organic solvent phenylcarbinol solution to a high-pressure reaction kettle of which the volume is 50mL; keeping the high-pressure reaction kettle at 200 DEG C for 24-72 hours; carrying out solvothermal reaction; drying in vacuum and collecting a reaction product; adding to a mixed solution of deionized water and NN-dimethylformamide with volume ratio is 1:1; continuously and ultrasonically vibrating for 12-24 hours; and drying in vacuum and collecting the final product to obtain finally layered tungsten disulfide nano sheet. The product has the characteristics of being good in crystallinity, good in dispersibility, small in environmental pollution, simple in experiment method, and easy to operate and popularize.

Long term storage stable fulvestrant-containing compositions are disclosed. The compositions can include fulvestrant; a solvent selected from dimethyl sulfoxide (DMSO), glycofurol, N-methyl pyrrolidone, and mixtures thereof; an oil mixture selected from a mixture of caprylic and capric triglycerides, a mixture of caprylic, capric and linoleic triglycerides, a mixture of caprylic, capric and succinic triglycerides, and a mixture of propylene glycol dicaprylate and propylene glycol dicaprate; and a sustained release member selected from benzyl benzoate, dihydrolipoic acid, benzyl alcohol and lipoic acid. The fulvestrant-containing compositions have less than about 5% total impurities, on a normalized peak area response (“PAR”) basis as determined by high performance liquid chromatography (“HPLC”) at a wavelength of 223 nm, after at least about 24 months of storage at a temperature of from about 5° C. to about 25° C.

The invention discloses a synthesis method for increasing the Pd content of a metal organic framework based on Zr(IV) ions. The method comprises the following steps: performing a coordination polymerization reaction between an organic ligand (I) and ZrCl4, and performing post-synthesis modification of the product, wherein the post-synthesis modification comprises the following specific steps: enabling a coordination polymerization reaction product, 2-pyridylaldehyde or salicylaldehyde and a catalyst formic acid in a molar ratio of 1:(1-4):(0.1-0.3) to react in an organic solvent; performing centrifugal washing of the product and dispersing in an organic solvent; adding palladium nitrate in a molar ratio of 1:(0.8-1.2); after the reactions, centrifuging and drying to obtain powder; dispersing the obtained powder into water; adding sodium borohydride in a molar ratio of 1:(0.5-1.5); and after the reactions, centrifuging, washing and drying to obtain the product. In the invention, the synthesized compound is an organic-inorganic composite supermolecular material and has a metal organic framework which is easy to operate and low in cost and has nanoscale particle size; and the compound has very high efficiency when being used as a catalytic material for benzyl alcohol oxidation and benzaldehyde condensation.

The invention relates to a liquid wound dressing and its preparation method, belonging to the field of medical supplies. The wound dressing comprises the following raw materials by weight: 0-15% of camphor, 0-23% of benzyl alcohol, 0-30% of isopropyl myristate, 0-5% of a bactericide, 1-20 % of a film forming agent, 0-20% of a plasticizer and 0-5% of a surfactant, with the balance being a solvent. The liquid dressing prepared in the invention has the advantages is simple and convenient to apply, can rapidly form a film when applied on the affected skin part of a patient and has good toughness and elasticity; the liquid dressing is soft and comfortable and can protect a wound, prevent infection and promote wound healing; and the liquid dressing is simple and convenient to use, not restricted by the shape and location of wounds, waterproof and air-permeable and allows a wound to be visible. In addition, the preparation method is simple in process, low in cost and easy for industrial production. The wound dressing in the invention is applicable to treatment and nursing of cuts, abrasions, lacerations, and other damaged areas of skin.

The invention relates to a multilevel porous molecular sieve catalyst as well as a preparation method and application thereof. The preparation method of the multilevel porous molecular sieve catalyst comprises the following steps: adding an organic template agent ethanol solution into an aluminum source, a silicon source and a silane ethanol solution to form gel, performing air drying on the gel to obtain dry gel, adding water and tetrapropylammonium hydroxide into the dry gel to obtain a mixture, putting the mixture into a high-pressure kettle, crystallizing the mixture for 3 days at the temperature of 180 DEG C to obtain a multilevel porous ZSM-5 molecular sieve, uniformly mixing the multilevel porous ZSM-5 molecular sieve with gamma-Al2O3, adding a dilute nitric acid solution, then performing mixed kneading, performing strip extruding for forming, drying and roasting in air so as to obtain a carrier; and soaking the carrier by utilizing a magnesium acetate solution, drying and roasting the carrier to obtain a phenylcarbinol alkylation catalyst. When the prepared catalyst is applied to the phenylcarbinol alkylation reaction, the catalyst has the advantages that coke and carbon are not easily generated, the activity is high, and the product selectivity is high. Compared with other catalysts in the prior art, for the catalyst disclosed by the invention, the activity and the reaction stability are high, and the service life is longer.

The invention belongs to the technical field of carbon material manufacturing techniques, and relates to a preparation method of graphene. The preparation method comprises the following steps: mixing pyridine and alcohol organic solvent in a ratio of 1:10-1:1 at room temperature, wherein the alcohol organic solvent can be any one or combination of methanol, ethanol, benzyl alcohol and the like; carrying out ultrasonic dispersion on graphite oxide in the mixed solution, wherein the concentration of the graphite oxide in the mixed solution is 1-8 mg/mL; transferring the dispersed solution into a high-pressure reaction kettle; and heating to 120-200 DEG C to react for 12-48 hours, thereby obtaining the graphene. The graphene prepared by the method provided by the invention has the advantages of high degree of reduction and large specific area, and avoids using any high-toxicity reducer. The graphene prepared by the method provided by the invention can be widely used in the fields of supercapacitors, capacitor type desalting and the like.

An improved composition for treatment of the skin comprises: (1) methionine and cysteine in a quantity sufficient to accelerate restoration of the integrity and fullness of the skin; (2) a mixture of essential amino acids in a quantity sufficient to accelerate restoration of the integrity and fullness of the skin, the mixture comprising isoleucine, leucine, lysine, phenylalanine, threonine, tryptophan, valine, histidine, and arginine; (3) at least one antioxidant in a quantity sufficient to accelerate restoration of the integrity and fullness of the skin; (4) at least one cross-linking agent in a quantity sufficient to accelerate restoration of the integrity and fullness of the skin; (5) at least one metallic catalyst in a quantity sufficient to accelerate restoration of the integrity and fullness of the skin; (6) at least one transepidermal delivery agent in a quantity sufficient to promote delivery of the composition to the skin; and (7) a topical pharmaceutically acceptable carrier. The antioxidant can be ascorbic acid. The cross-linking agent can be proanthocyanidin or silybin. The metallic catalyst can be Cu (II) in a suitable cupric salt. The transepidermal delivery agent can be benzyl alcohol.

The invention discloses glycosyl transferase for catalyzing synthesis of gastrodin or salidroside, a gene coding the glycosyl transferase and application of glycosyl transferase. The glycosyl transferase for catalyzing synthesis of gastrodin or salidroside is as shown in SEQ ID No.1. Experiments prove that the glycosyl transferase for catalyzing synthesis of gastrodin or salidroside can be used for respectively catalytically converting hydroxy-benzyl alcohol into gastrodin and converting tyrosol into salidroside, and the yield of gastrodin and salidroside can be remarkably improved.

The invention discloses a method for preparing benzaldehyde by catalytically oxidizing phenylcarbinol through Pt/BiOCl-metal oxide serving as a catalyst. The method comprises the following steps: by taking a noble metal Pt/BiOCl-metal oxide compound system as the catalyst, dispersing phenylcarbinol and the catalyst into water, and continuously stirring under a relatively low-temperature dark condition for 3 to 10 hours, wherein the generation selectivity of the benzaldehyde can be 99 percent or above, and the yield of the benzaldehyde is retained within a range of 80 to 100 percent according to different types of carriers. The method has the following active effects that 1, the reaction can be carried out at relatively low temperature, such as room temperature of 25 DEG C; 2, low-cost air is used as an oxidant, so that the problem of environmental pollution caused by the fact that a high-cost metal such as chromium and manganese is used as the oxidant is solved; 3, no alkaline substances serving as an auxiliary catalyst are added into a reaction system; 4, basically no side effect is caused in a reaction process, and the generation selectivity of the benzaldehyde is retained at 99 percent or above; 5, equipment devices for reaction and an operation process are simple.

The invention discloses a supported vanadyl pyrophosphate catalyst prepared by selective oxidation of n-butane and a preparation method thereof, and relates to a maleic anhydride catalyst prepared by selective oxidation of n-butane. The catalyst contains an active ingredient and a carrier, wherein the active ingredient is (VO)2P2O7, and the carrier is TiO2 treated by a phosphoric acid solution. The preparation method comprises the steps of soaking the TiO2 into the phosphoric acid solution, stirring in an oil bath pan, filtering, washing and drying to obtain the carrier TiO2; mixing V2O5 with an isobutanol-phenylcarbinol mixed solvent, heating for refluxing to ensure that the mixed solution becomes black, then adding the carrier TiO2, refluxing continuously, cooling the mixed solution, then adding phosphoric acid, heating, refluxing continuously to generate a blue sediment, cooling, filtering, washing the obtained solid, drying the filtrate, carrying out tabletting, smashing, and screening to obtain a catalyst precursor; and putting the prepared catalyst precursor into a fixed bed roasting furnace of a mobile system, and roasting in an atmosphere of reaction gas to obtain the product.

The invention provides an anti-pilling antistatic wool fabric conditioning agent, which is composed of the following components in parts by weight: 18 to 25 parts of ethyl acrylate, 15 to 20 parts of polyoxyethylene octyl benzyl alcohol, 6 to 10 parts of stearamide, 5 to 8 parts of magnesium stearate, 3 to 6 parts of sodium sulfate, 2 to 4 parts of glycol, 2 to 4 parts of potassium tartrate, 2 to 4 parts of sodium carboxymethyl starch, 1 to 3 parts of sodium dihydrogen phosphate, 70 to 80 parts of ethanol, and 350 to 400 parts of water. The invention further provides a preparation method of the conditioning agent. The conditioning agent improves the anti-pilling grade of wool fabric by two levels or more, and at the same time the hydrophilicity of the wool fabric is basically not affected. Moreover, the wool fabric processed by the conditioning agent is antistatic, and thus the conditioning agent has a very good antistatic effect.

The invention discloses novel oxazolidine, a preparation method, application, and mono-component polyurethane waterproof paint. The novel oxazolidine is named as 4-mehtyl-3-(2-phenylcarbinol)-1,3-oxazolidine. The novel oxazolidine is used as a latent curing agent of the mono-component polyurethane waterproof paint. During the production process of the waterproof paint, the novel oxazolidine is added into the raw materials, one naked hydroxy group of the novel oxazolidine will react with the polyurethane prepolymer formed by the raw materials, thus the novel oxazolidine is grafted to the polyurethane prepolymer, and the novel oxazolidine (latent curing agent) can be more evenly dispersed in the waterproof paint. If the waterproof paint is stored for a long time, the grafted novel oxazolidine will be dissolved out continuously, the stability of the waterproof paint is improved, the latent curing effect is improved, and avoided is the phenomenon that the latent curing agent is precipitated from the mono-component polyurethane waterproof paint or the latent curing agent aggregates in the waterproof paint. After the waterproof paint is used, the quality of the film formed by the waterproof paint is improved.

The invention relates to a preparing method of triangular flaky nanometer silver particles. The preparing method comprises the following steps that S1, silver trifluoroacetate, PVP (polyvinyl pyrrolidone) and phenylcarbinol are placed into a reaction kettle and are mixed, and a mixture is obtained after the materials are uniformly stirred; S2, metal salts are added into the mixture, and settled solution is obtained through stirring at room temperature; S3, the settled solution is heated to 120 to 150 DEG C in the reaction kettle, the reaction lasts a period of time, and a reaction product is obtained; S4, reaction products are subjected to centrifugal separation and are washed, and then, the triangular flaky nanometer silver particles are obtained. The preparing method provided by the invention has the advantages that the process is simple and convenient, the cost is low, and the preparing method is suitable for large-scale production.

There is provided a coating composition for the formation of a hard coat having sufficient adhesivity to acrylic resin molded articles. A hard coat obtained by dispersing and dissolving a (partial) hydrolyzate of an organofunctional silane and colloidal silica in a benzyl alcohol solvent is coated on an acrylic resin molded article produced by cell casting or continuous casting to obtain an abrasion-resistant molded article.

The invention discloses a preparation method and application of a catalyst for treating acrylonitrile contained waste gas. The catalyst is characterized in that a metallic oxide with a perovskite crystal form (ABO3) is used as a catalyst, the catalyst suitable for removing the acrylonitrile contained waste gas is synthesized by using a benzoic alcohol synthesis method and through sieving and combining A-site and B-site metal ions, acrylonitrile is converted into nontoxic and harmless products including N2, H2O and CO2 through controlling catalytic combustion process conditions, and particularly, other nitrogen oxides such as NO2, NO and other secondary pollution gases can be prevented from being generated at a high-temperature stage. The catalyst can be applied to the treatment for the acrylonitrile contained waste gas discharged by an acrylonitrile factory and a carbon fiber factory.

The invention provides a non-hydrosol-gel preparation method of titanium-dioxide nanorods, which can realize the online functionlization of the titanium-dioxide nanorods. The invention uses phenyl carbinol as the reaction media, and titanium tetrachloride directly dissolves in the phenyl carbinol. By the hydrolyzation of the titanium tetrachloride in phenyl carbinol under low temperature, the high activity titanium-dioxide nanorods are compounded at once. The functionlization reagent, which is added into the reaction system, realizes the online functionlization of the titanium-dioxide nanorods, which improves the photo-catalysis activity of the titanium-dioxide nanorods. The non-hydrosol-gel preparation method has the advantages that: the method is sample; the preparation process runs under the temperature of 40 to 100 centidegrees; the granularity of the titanium-dioxide, produced by the method, is homogeneously distributed; the crystal structure is uniform anatase ; the technical process is easy to controlled; the product quality is stable; the non-hydrosol-gel preparation method is suit for mass production.

The invention discloses a preparation method of a Pd/TiO2 nanowire catalyst, the prepared catalyst and application thereof. The preparation method of the Pd/TiO2 nanowire catalyst includes the following steps that 1, TiO2 powder is added to a NaOH water solution, after the mixture is fully stirred, the mixed solution is transferred into a hydrothermal reaction kettle, a hydrothermal reaction is conducted for 36-48 hours at the temperature of 150-200 DEG C, acid cleaning, water cleaning, drying and baking at the temperature of 300-1000 DEG C are conducted, and finally a one-dimension of TiO2 nanowire carrier is obtained; 2, cinnamomum camphora plant leaves are dried in the sun and crushed, water is added, the mixture is stirred for 1-4 hours and then filtered, filtrate A is obtained, a Pd precursor is added to the filtrate A, stirring is conducted for 1-3 hours at the temperature of 50-90 DEG C, and a solution B is obtained; 3, the one-dimension of TiO2 nanowire carrier is added to the solution B, stirring is conducted for 1-3 hours, then filtering, water cleaning and drying are conducted, and the powder-shaped Pd/TiO2 nanowire catalyst can be obtained. The Pd/TiO2 nanowire catalyst is applied to a reaction for preparing benzaldehyde through benzaldehyde solvent-free liquid-phase oxidation and has good catalytic activity.

The invention discloses a preparation method of a layered stacked TiO2/MoS2 core-shell structure composite material as a lithium ion battery cathode. The preparation method comprises the following steps: firstly, dissolving titanium tetrafluoride into phenylcarbinol to prepare a solution of 2.5g/L; secondly, pouring the solution obtained in the step S1 into a hydrothermal kettle, heating to 180 DEG C, and preserving the heat for 12 hours; centrifuging and washing a product obtained in the step S2, drying the product at 60 DEG C to obtain TiO2, and annealing TiO2 for two hours at 500 DEG C; performing the hydrothermal reaction on TiO2 and oxalic acid, thioacetamide and sodium molybdate for 20 hours at 500 DEG C; and finally washing the product obtained in the step S4 by utilizing water and ethanol, and drying in the air at the temperature of 60 DEG C to obtain the TiO2/MoS2 core-shell structure composite material. The prepared TiO2/MoS2 core-shell structure composite material is high in energy density, high in purity and high in degree of crystallinity.

The invention discloses an extraction method for reducing emission of chemical oxygen demand (COD) in pure terephthalic acid (PTA) wastewater. The method includes that a solvent is firstly used for extracting and removing a large amount of organic carboxylic acid of benzoic acid, p-toluic acid, p-carboxyl benzyl alcohol, p-carboxybenzaldehyde and terephthalic acid, and then a gas stripping method is used to remove a residual extracting agent in the wastewater so that COD concentration in the wastewater is greatly reduced; simultaneously, organic carboxylic acid which is extracted into an extracting agent phase returns to a PTA device with the extracting agent, and the p-toluic acid, the p-carboxyl benzyl alcohol, the p-carboxybenzaldehyde and the terephthalic acid in the organic carboxylic acid are finally converted into PTA products through the PTA device so that a large quantity of useful organic substances in the wastewater are recycled, and economic benefits are increased; and outlet gases of a gas stripping tower, which carry the extracting agent, are returned to the PTA device so that the extracting agent is recycled, and consumption of the extracting agent is low. The extraction method is high in efficiency, low in consumption and capable of reducing emission of COD, reducing loads of sewage treatment stations and partially achieving resource utilization of the wastewater.