130 results about "Aromatic alcohol" patented technology

The invention discloses a multi-alkyl aromatic alcohol extended block copolymer or oxysalt thereof as well as a synthesis method and application thereof. Molecules of the product contain polyalkyl, aryl, polyoxypropyl / ethyl and various ionic hydrophilic group structures, the product has excellent temperature resistance and salt tolerance and stable chemical properties, the adsorption loss in sandstone is extremely small, any alkaline agent does not need to be added, the crude oil recovery rate can be increased by 40% or above only through a single component at the concentration of 0.3 wt%, and the oil recovery rate can be increased by 30% or above. And the influence of performance degradation of the composite oil-displacing agent in an oil reservoir due to a chromatographic separation effect is avoided.

The present invention provides an anti-aging, whitening, freckle-removing, moisturizing skin care water and a preparation process thereof. A preparation process for an anti-aging, whitening, freckle-removing, moisturizing skin care water comprises the following steps: supercritical CO2 extraction of oat-yarrow extract; ultrasonic-enzymatic hydrolysis-assisted reflux extraction and concentration; adding oxidized resveratrol, salidroside and ellagic acid; adding purified water to dissolve and adding sodium alginate and glycerol; adding p-anisic acid and aromatic alcohol and homogenizing and mixing. The present invention is a skin care water prepared by first extracting extracts of bletilla striata, wormwood leaf, peony bark, oat and yarrow, and then adding oxidized resveratrol, salidroside, ellagic acid, sodium alginate, glycerol, p-anisic acid and aromatic alcohol. The skin care water not only has the effects of anti-aging, whitening, freckle removal and moisturizing, but also because its raw materials are all natural plant ingredients and no chemical agents are added, therefore, it will not irritate the skin and has no side effects, and can be used for a long time.

The invention provides ammonolysis modified diester oil for TPE (thermoplastic elastomer) and a preparation method of the ammonolysis modified diester oil. The ammonolysis modified diester oil comprises the following components in parts by weight: 100-120 parts of modified disubstituted diester oil; 20 to 50 parts of an ammonolysis agent; 0.1 to 0.3 part of a catalyst; wherein the modified disubstituted diester oil is obtained by carrying out ester exchange reaction on diester oil and aromatic alcohol. The modified disubstituted diester oil is obtained through ester exchange reaction of diester oil and aromatic alcohol, and two non-polar benzene ring structures are introduced into a molecular chain of the modified disubstituted diester oil, so that the compatibility of the modified disubstituted diester oil and SBS / SEBS is effectively improved, and the modified diester oil can be directly used for producing and processing TPE materials. An ammonolysis agent is added for ammonolysis reaction, so that the modified diester oil obtains amido bonds with high light and heat stability and hydrolysis resistance, and the aging resistance of the TPE material applying the diester oil can be effectively improved.

A compound of formula (I), which is an ether or ester, as a precursor for producing an aromatic alcohol according to formula (II); their use as perfume precursors, as well as perfume compositions and consumer products comprising said compounds. (I) and (II).

This application provides preservative compositions of pyrithione compounds, organic acids or their salts, and aromatic alcohols, which have a synergistic effect and can reduce the amount of pyrithione required as an effective preservative in end-use formulations.

A polyester having little discoloration is obtained by treating a fiber product containing a polyester fiber and a urethane fiber with an aromatic alcohol in a temperature range of not less than the glass transition temperature of the polyester and not more than 100 DEG C of the glass transition temperature of the polyester.

The present application relates to the field of chemical and chemical technology, and in particular to a method for synthesizing sodium azide. It can solve the problems of long reaction time, low production efficiency, many by-products, large pollution emissions, and high safety hazards in the sodium azide preparation process in the related technology. A method for synthesizing sodium azide, comprising: using aromatic alcohol as a raw material to prepare nitrite ester of aromatic alcohol; under alkaline conditions, allowing nitrite ester to undergo a reduction reaction with hydrazine hydrate to prepare sodium azide; wherein the aromatic alcohol comprises: one or more compounds represented by the structural formula: #imgabs0#, wherein Ar is selected from the following substituted or unsubstituted C6~C 20 Aryl and substituted or unsubstituted C3~C 10 Any one of the heteroaryl groups, R is selected from #imgabs1#n is an integer of 1 to 3; wherein, in #imgabs2#, R1 and R2 are the same or different and are independently selected from any one of H and C1 to C3 alkyl groups; when Ar is selected from substituted C6 to C 20 Aryl or substituted C3~C 10 In the case of heteroaryl, the substituted substituent is selected from C1-C9 alkyl, and * indicates the attachment site.

The application provides high-refraction OCA optical glue and a preparation method thereof. The high-refraction OCA optical glue comprises the following components in parts by weight: 75-85 parts of an acrylate prepolymer; 18-22 parts of a high-refraction acrylate mixed solution; 0.05-0.5 parts of a crosslinking agent; and 0.05-0.5 parts of a second photoinitiator. The acrylate prepolymer comprises a soft monomer, a hydroxyl crosslinking monomer, an aromatic monomer and a first photoinitiator. The high-refraction acrylate mixed solution comprises the following components: an aromatic alcohol monomer, an epoxy monomer, a catalyst, a polymerization inhibitor and a solvent. The optical glue prepared by the application has high refractive index and good bonding capacity, and can keep stable bonding without bubble rebound phenomenon under a high-temperature and high-humidity environment after being attached to a base material.

The invention relates to the technical field of new energy and fuel, and discloses a preparation method of a liquid wax alcohol ether composite diesel engine fuel. The raw materials and their weight ratio range are: diesel 8%-13%; liquid wax 9%-15%; soybean oil 17%-23%; polyethylene glycol ether 20%-27%; aromatic alcohol polyoxyethylene ether 14%-18%; oxidant 1.2%-1.9%; metal passivator 0.3%-0.8%; low temperature fluidity improver 1.1%-1.3%; pour point depressant 0.08%-0.15%; composite emulsifier 3.3% to 4.0%; alkaline zeolite catalyst 2.5% to 3.0%, prepare the above raw materials according to the weight ratio of the formula, and perform pretreatment, mix the pretreated soybean oil, diesel, polyethylene glycol ether and liquid wax in A and B stirring tanks, and then introduce them into C stirring tank together, add alkaline zeolite catalyst into C stirring tank for reaction, add additives in sequence to obtain a mixture, use supercritical fluid technology to extract and separate the mixture to obtain diesel engine fuel, implement a closed-loop production system for the whole process, and recycle the waste.

The invention relates to the technical field of biochemical analysis, and discloses a kit and a method for simultaneously detecting lacosamide and perampanel. The kit comprises a precipitator, a stabilizer and an internal standard agent, the precipitant contains aromatic alcohol and fatty alcohol; the stabilizer contains fatty alcohol; the internal standard agent contains an isotope compound of lacosamide and an isotope compound of perampanel. By adopting the kit and the method, full precipitation of lacosamide and perampanel can be completed at the same time in one step, accurate quantitative detection of the two drugs can be achieved at the same time through the internal standard agent, the process is short, the specificity is good, the sensitivity is high, and an epilepsy patient can obtain accurate therapeutic drug monitoring.

The application provides a method for one-step conversion of aromatic alcohol into aromatic nitrile, which comprises the following steps: using a metal salt as a catalyst, a hydroxylamine salt as an ammonia source, air or oxygen as an oxidant, and performing an ammoxidation reaction of the aromatic alcohol under light conditions to convert the aromatic alcohol into the aromatic nitrile in one step. The application does not use any expensive or toxic photocatalyst, material or reagent, the raw material is easy to obtain, the operation is simple, the reaction is carried out at normal temperature and pressure, the conditions are mild, and the application has an industrial amplification prospect; and the safety, environmental protection, economy and social benefit of the application have remarkable advantages.

To provide a coating film peeling agent capable of effectively suppressing the ignition of peeled coating film pieces.SOLUTION: The present invention relates to an aqueous emulsion-based remover for removing a coating film, wherein (1) the remover comprises (1a) an alcohol including an aromatic alcohol, (1b) a paraffin having a melting temperature of 65 °C or less, (1c) at least one of thixotropic agents and low-polarity solvents having a dissolution parameter of 20 or less, and (1d) water, and (2) a water-containing emulsion film formed by the remover is maintained at a temperature of 15 °C for at least 6 hours immediately after application of the remover.SELECTED DRAWING: None

To provide a novel volatile sulfur compound generation inhibitor and an agent volatilization device housing the same.SOLUTION: The present invention provides a volatile sulfur compound generation inhibitor containing at least one compound selected from monoterpenes (excluding those containing aldehyde groups), specific aliphatic ester compounds, specific aromatic ester compounds, specific aliphatic aldehyde compounds, specific aromatic aldehyde compounds, specific aliphatic alcohol compounds, specific aromatic alcohol compounds, specific ketone compounds, specific alicyclic compounds, specific aromatic compounds, and specific nitrogen-containing aliphatic compounds as an active ingredient.SELECTED DRAWING: None

A solid effervescent cleaning composition is described comprising one or more acids and a gas generator; wherein a 1 wt. % aqueous solution of the solid cleaning composition has a pH in a range of 4 to 9; and at least one antimicrobial compound. In some embodiments, a 1 wt. % aqueous solution of the solid effervescent cleaning composition provides at least a 3 log reduction for both gram position and gram negative bacteria. In some embodiments, the antimicrobial compound is selected from aromatic alcohols; aliphatic alcohols, optionally further comprising an ester moiety; and combinations thereof. Also described is a (e.g. dry) wipe comprising a woven or nonwoven substrate further comprising the solid effervescent cleaning composition described herein; and cleaning tools with handles.

To provide a virus inactivation composition having a high inactivating effect against non-enveloped viruses.SOLUTION: A composition for inactivating non-enveloped viruses, comprising (a) monoethanolamine, (b) an aromatic alcohol, and water, and having a pH of 10.5 or more and 14 or less at 25°C.SELECTED DRAWING: None

The application discloses an ancestor carbonyl reductase and application thereof, wherein the amino acid sequence of the ancestor carbonyl reductase is shown as SEQ ID NO. 2, or has single mutation or multiple mutations on SEQ ID NO. 2. The ancestor carbonyl reductase of the application has high alkalinity and high temperature tolerance as a catalyst in synthesis of chiral aromatic alcohol or chiral alcohol ester, has high substrate loading, and the obtained chiral aromatic alcohol or chiral alcohol ester has high optical purity (ee value is more than 99%, and dr value is greater than 100:1).

Composition comprising a direct dye, a non-associative polysaccharide, a particular polycarboxylic acid, and a hydroxylated compound. The invention relates to a composition comprising: one or more direct dyes; one or more non-associative polysaccharides; one or more polycarboxylic acids of formula (I); one or more hydroxylated compounds selected from aromatic alcohols, C2-C6 aliphatic hydroxylated solvents, and mixtures thereof.

The present application provides a method for preparing aromatic alcohol by hydrogenation of aromatic aldehyde. The method of the present application comprises hydrogenation of aromatic aldehyde in the presence of copper tailing catalyst to obtain the corresponding aromatic alcohol; wherein the aromatic aldehyde is selected from one or more of aldehyde compounds containing benzene ring and aldehyde compounds containing furan ring; the copper tailing catalyst is prepared by a method comprising the following steps: drying and crushing the copper tailing through a sieve, and then calcining and reducing to obtain the copper tailing catalyst. The present application uses the treated copper tailing as a catalyst for hydrogenation of aromatic aldehyde, especially in the reaction of preparing furfuryl alcohol by hydrogenation of furfural, which has a very high selectivity of furfuryl alcohol, and realizes the resource utilization of copper tailing.

Described is a resin, obtained from the condensation of at least one sulfonated alkylated aromatic alcohol, at least one naphthalene diol and, optionally at least one phenolic diol, with at least one aliphatic carbonyl compound, to a method for forming such a resin, to the use of such a resin, to a dye fixing agent comprising such a resin, to a method for treating a fabric a dye fixing composition comprising such a resin. The obtained dye-fixing agent has the advantage of a good fixing effect and is ecofriendly.

The invention provides ink, a luminescent device and a preparation method thereof, the ink comprises an organic luminescent material, a diluent and a solvent, and the diluent comprises one or more of vinyl fatty ether, acrylic fatty ester, fatty alcohol, aromatic alcohol and fatty acid vinyl ester. According to the ink disclosed by the invention, the organic light-emitting material is diluted by adopting the specific diluent, so that the spreadability of the ink of the light-emitting layer can be effectively improved, and the light-emitting efficiency and the performance stability of a light-emitting device are improved; and the uniformity of the light-emitting layer after ink coating can be improved, so that the preparation efficiency of the light-emitting device is improved.

The present invention relates to a process for the preparation of acetals of aliphatic or cycloaliphatic α-chloro- or α-bromoaldehydes, comprising the electrolysis of a liquid reaction mixture containing i) a halogen acceptor selected from - primary aliphatic or cycloaliphatic alcohols, - mono-1-alkyenyl ethers of aliphatic diols and - mixtures comprising a mono-1-alkyenyl ether of an aliphatic, cycloaliphatic or aromatic alcohol and at least one aliphatic or cycloaliphatic alcohol, ii) at least one halogen source containing chlorine or bromine, iii) at least one solvent and iv) at least one conducting salt in an undivided electrolysis cell.

Embodiments provided herein include methods, compositions, and uses of aromatic alcohols to increase the potency of antifungal agents.

The invention belongs to the technical field of chemical analysis and detection, and particularly relates to a method for detecting higher alcohols in serum and application of the method in metabolic kinetic analysis of alcoholic beverages. In order to realize the effective separation and synchronous detection of fatty alcohol, aromatic alcohol and isomers thereof, reduce the volatile loss of higher alcohol and the use amount of a sample and reduce the serum matrix effect, the method comprises the following steps: performing pretreatment extraction and derivatization on drunk serum; high performance liquid chromatography-triple quadrupole mass spectrometry is adopted to detect higher alcohols in serum after drinking and the content of the higher alcohols. Results prove that the detection method disclosed by the invention has the advantages of low sample amount, high precision and accuracy, low matrix effect and low detection limit. The detection method disclosed by the invention is used for detecting the content of ethanol and higher alcohol in serum in the metabolic kinetics analysis of the alcoholic beverage, so that the alcoholic beverage with excellent metabolic efficiency can be screened, and data support can be provided for the evaluation of slow drunkenness, fast sobering and light hangover.

The invention relates to the technical field of separation and purification processes, and discloses a purification method of beta-phenethyl alcohol. According to the purification method, a reaction mixture containing crude beta-phenethyl alcohol and metal halide is obtained, and the reaction mixture is stirred to react to obtain solid aromatic alkoxide; after the solid aromatic alkoxide is treated by a releasing agent, purified beta-phenethyl alcohol is obtained; the releasing agent is a solution comprising a protic solvent and at least one of an alkaline component and an ion exchange resin. According to the purification method disclosed by the invention, salifying crystallization and rectification are combined, peculiar smell components are removed from crude beta-phenethyl alcohol, purified beta-phenethyl alcohol with the purity of 99.5% or above is separated, tar smell is avoided, and the aroma of beta-phenethyl alcohol cannot be influenced; and the purification method is simple in process, low in production cost and suitable for industrial popularization.

The invention discloses ancestor carbonyl reductase and application thereof. The amino acid sequence of the ancestor carbonyl reductase is as shown in SEQ ID NO. 2, or the ancestor carbonyl reductase has single mutation or multiple mutations on the SEQ ID NO. 2. When the ancestor carbonyl reductase is used as a catalyst for synthesizing chiral aromatic alcohol or chiral alcohol ester, the alkalinity and high-temperature tolerance of the enzyme are high, the substrate upload is high, and the optical purity of the obtained chiral aromatic alcohol or chiral alcohol ester is high (the ee value reaches 99% or above, and the dr value is gt; 100: 1).

The present invention belongs to the technical field of photocatalysts, and discloses a bimetallic site covalent polymer catalyst, a preparation method and an application thereof. The structural formula of the bimetallic site covalent polymer catalyst is as follows: #imgabs0# In the bimetallic site covalent polymer catalyst of the present invention, the covalent polymer itself generates electron and hole pairs after absorbing photons, and the introduced bimetal effectively promotes the separation of photogenerated electron-hole pairs. In addition, the metal, as a catalytic active center, can activate the reaction substrate and reduce the reaction barrier, thereby efficiently and selectively converting the aromatic alcohol into the corresponding aromatic aldehyde, and the bimetallic site covalent polymer catalyst of the present invention has excellent catalytic stability.

Cosmetic composition comprising an endolysin derived from a Staphylococcus aureus phage and an aromatic alcohol. The present invention relates to a composition, particularly a cosmetic one, comprising, in a physiologically acceptable medium, at least one endolysin derived from a Staphylococcus aureus phage and at least one aromatic alcohol of formula (I). It also relates to the use of such a composition to prevent and / or treat a skin disorder related to colonization by Staphylococcus aureus in an individual in need, and in particular to prevent and / or treat acne and / or eczema in an individual in need, and a non-therapeutic cosmetic method for the care of keratinous materials, particularly skin, comprising at least one step of topical application of such a composition to said keratinous materials. Figure for abstract: None

The invention provides a foamless cleaning agent as well as a preparation method and application thereof. The foamless cleaning agent comprises the following components in parts by weight: 70-75 parts of aromatic alcohol, 5-10 parts of isomeric alcohol, 10-15 parts of high-carbon polyol, 4-10 parts of a softening agent and 1-3 parts of an alkaline substance, the mass ratio of the isomeric alcohol to the high-carbon polyol is (1: 3)-(1: 1). The isomeric alcohol rapidly permeates into a dirt-substrate interface, the local surface tension is reduced, and dirt is stripped; the high-carbon polyol adsorbs stripped dirt particles through the steric hindrance effect of a polyester chain, so that the dirt particles are prevented from re-gathering to form a foam carrier; the foam-free cleaning agent has the advantages that the foam-free cleaning agent cannot generate foam in the cleaning process, a defoaming agent does not need to be added, and meanwhile, the foam-free cleaning agent has strong seepage force and can penetrate into tiny gaps and holes in the surface of a workpiece to thoroughly remove stains.

The invention relates to a molybdenum-doped zinc cadmium sulfide solid solution photocatalyst and a preparation method and application thereof, the molybdenum-doped zinc cadmium sulfide solid solution photocatalyst is obtained by doping Mo with a Zn0. 3Cd0. 7S matrix, and the doping amount of Mo is 1-6% of the total molar weight of Zn and Cd. The molybdenum-doped cadmium zinc sulfide solid solution photocatalyst provided by the invention can form a Mo-based atomic-scale defect cluster with extremely high adsorption and catalytic activity, so that the adsorption activation of aromatic diol is remarkably improved, the dehydrogenation reaction of aromatic diol is accelerated and catalyzed to prepare hydrogen and aromatic alcohol ketone, the photocatalytic efficiency is extremely high, and the preparation process is simple. According to the present invention, with the catalyst, the aromatic diol can be converted into hydrogen and the high value-added chemical aromatic alcohol ketone through the one-step catalytic reaction under the irradiation of sunlight, the conversion rate of the substrate aromatic diol can be maximally close to 100% when the reaction time is 60-90 min, and the selectivity of the product aromatic alcohol ketone is good, and can be maximally 100%, such that no side reaction is generated;

COSMETIC COMPOSITION CONTAINING A COMBINATION OF VANILLIN OR ONE OF ITS DERIVATIVES, AN AROMATIC ALCOHOL, AND AN ALIPHATIC MONOALCOHOL. The present invention relates to a composition, particularly a cosmetic one, comprising water and: i) at least one (C1-C6)(alkyl)vanillin, one of its basic organic or mineral salts, or one of its solvates such as hydrates, preferably vanillin; ii) at least one aromatic alcohol, preferably benzyl alcohol; and iii) at least one C2-C6 aliphatic monoalcohol; it being understood that: - the weight ratio ii) / i) is greater than or equal to 1, preferably greater than 1; and - the weight ratio iii) / ii) is greater than or equal to 1, preferably greater than 1. Figure for abstract: none