58 results about "Aromatic alcohol" patented technology

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.

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 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.

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

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.

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.

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.

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

A three-dimensional printing kit includes a fusing agent and a polymeric build material composition including a thermoplastic polyamide. The fusing agent includes a visible light absorbing pigment, a plasticizing solvent package, and water. The plasticizing solvent package consist of i) propylene glycol or ii) an aromatic alcohol and a plasticizing solvent that increases water solubility of the aromatic alcohol or iii) propylene glycol, an aromatic alcohol, and a plasticizing solvent that increases water solubility of the aromatic alcohol. A method of using the kit and a 3D printed part are also disclosed.

The embodiment of the invention provides modified ester oil for TPE (thermoplastic elastomer) and a preparation method of the modified ester oil. The modified ester oil comprises the following components in parts by weight: 100 parts of ester synthetic oil; 10 to 30 parts of aromatic alcohol; and 0.15 to 0.35 part of a catalyst. According to the preparation method, the ester synthetic oil and the aromatic alcohol are subjected to the action of the catalyst, so that a non-polar benzene ring structure is introduced to a molecular chain of the ester synthetic oil, and the modified ester oil with a non-polar group is obtained, so that the compatibility of the modified ester oil with non-polar SBS / SEBS is effectively improved. Therefore, the thermoplastic elastomer can be directly used for production and processing of TPE. Meanwhile, compared with conventional basic mineral oil (such as naphthenic oil and paraffin oil), the modified ester oil serving as an additive can endow the TPE material with more excellent mechanical properties, low temperature resistance and high-temperature long-term aging resistance, and the atomization performance of the TPE material is greatly reduced.

The present invention relates to a method for producing an aromatic diether, comprising the reaction of compound A containing at least two halogenated aromatic groups with compound B (where B is an aromatic alcoholate) in the presence of compound C which optionally acts as a reaction solvent, wherein the molar ratio of compound B to compound A is at least 2:1 and the molar amount of compound C to compound A is 10:1 where appropriate. The present invention also relates to a method for producing a polyaryletherketone.

The invention discloses lipolytic enzyme MfLPE and application of the lipolytic enzyme MfLPE to synthesis of ester spices, and belongs to the technical fields of enzyme engineering, new enzyme resource mining, biological catalysis and green chemical engineering. According to the method disclosed by the invention, lipolytic enzyme MfLPE obtained by heterologous expression and purification is used as a biocatalyst, and cheap and easily available acyl donors (methyl p-nitrobenzoate, methyl p-nitrobenzene butyrate or methyl p-nitrobenzene caprylate) and common aromatic alcohols (benzyl alcohol and phenethyl alcohol) are subjected to catalytic reaction in pure water or a small amount of organic solvent; typical ester perfumes such as benzyl acetate, phenethyl acetate and phenethyl caprylate can be efficiently synthesized, the conversion rate reaches 75% or above, the product selectivity is high, the technological conditions are mild, environment friendliness is achieved, amplification to a continuous flow reaction is easy, and organic solvent dependence and production cost are remarkably reduced. The invention provides a new enzyme source and process scheme for green biosynthesis of ester spices, and has a good industrial application prospect.

Composition comprising a direct dye, a particular 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 chosen from polysaccharides of microbial origin, - one or more polycarboxylic acids of formula (I), - one or more hydroxylated compounds chosen from aromatic alcohols and hydroxylated C2-C6 aliphatic solvents, and mixtures thereof.

To provide a method for recovering a polyester component from a composite material fiber product including polyester fibers, and a method for producing recycled polyester using the recovered polyester component.SOLUTION: A method for recovering a polyester component is provided, the method sequentially performing, on a composite material fiber product containing polyester fibers, at least two selected from: (a) a reducing solvent contact step; (b) an aprotic polar solvent contact step; (c) a zinc chloride aqueous solution contact step; (d) a high-temperature aromatic alcohol solution contact step, (e) a high-temperature alkylene glycol solvent contact step; and (f) a high-temperature dimethyl terephthalate solvent contact step. The method further includes a method for producing recycled polyester by repolymerizing the obtained polyester component.SELECTED DRAWING: Figure 1

The present application provides an adhesive for a non-aqueous secondary battery electrode, which can greatly improve the peeling strength of an electrode active material layer to a current collector while suppressing the occurrence of cracks in the electrode active material layer formed on the current collector. An adhesive for a non-aqueous secondary battery electrode, which contains a copolymer (P) having a structural unit (a) derived from a monomer (A) represented by formula (1), a structural unit (b) derived from at least one monomer (B) selected from the group consisting of (meth)acrylic acid and a salt thereof, and a structural unit (c) derived from a monomer (C) of an olefinically unsaturated carboxylic acid ester compound which is an aromatic alcohol.

The invention discloses a method for oxidizing primary alcohol into carboxylic acid by oxygen without metal catalysis, which comprises the following steps: adding an alcohol compound, a catalyst system and a solvent into a reaction kettle, sealing the reaction kettle, introducing oxygen, sequentially carrying out first-stage reaction at 80-100 DEG C for 4 hours and second-stage reaction at 120-140 DEG C for 8-12 hours, and then carrying out post-treatment on the reaction mixture to obtain a carboxylic acid compound, wherein the alcohol compound is aromatic alcohol or fatty alcohol; the catalyst system consists of a reagent A, a reagent B and a reagent C; the reagent A is TEMPO, the reagent B is Bronsted acid or a surfactant, and the reagent C is a nitrous acid compound; the method is simple to operate, does not need to use a metal catalyst, and is mild in reaction condition, wide in reaction substrate application range and high in carboxylic acid yield.

The present invention provides a cleaning agent composition that exhibits excellent cleaning ability in a short time, can be quickly removed after cleaning, and also has excellent compatibility, as well as a resin remover containing the cleaning agent composition and a method for removing resin. [Solution] The detergent composition of the present invention comprises the following components (A), (B), (C), and (D) (A) Component; monovalent aromatic alcohol compound, (B) Component; trivalent or higher alcohol compound, (C) Component; inorganic alkali compound, (D) Components; organic acids or their salts It contains at least [a certain component], and the amount of component (B) is 20 parts by mass or more and 40 parts by mass or less per 100 parts by mass of component (A).

The application relates to a molybdenum-doped cadmium zinc sulfide solid solution photocatalyst and a preparation method and application thereof. 0.3 Cd 0.7 S matrix, and the molybdenum doping amount is 1-6% of the total molar amount of Zn and Cd. The molybdenum-doped cadmium zinc sulfide solid solution photocatalyst provided by the application can form Mo-based atomic-level defect clusters with extremely high adsorption and catalytic activity, so that the adsorption activation of aromatic diols is significantly improved, and the dehydrogenation reaction of the aromatic diols is accelerated to prepare hydrogen and aromatic alcohol ketones. The photocatalytic efficiency is extremely high, aromatic diols can be converted into hydrogen and high-value-added chemicals aromatic alcohol ketones through one-step catalytic reaction under sunlight irradiation, the conversion rate of the aromatic diol substrate can be close to 100% when the reaction time is 60-90 min, the selectivity of the product aromatic alcohol ketone is good, and can be up to 100%, that is, no side reaction occurs.

A two-part potting composition A two-part potting composition comprising: an A part comprising: a first polyol fraction, a reactive diluent comprising an aromatic alcohol, and water; and a B part comprising a polyisocyanate.

The present invention relates to a composition, in particular a cosmetic composition, comprising, in a physiologically acceptable medium, at least one endolysin derived from a Staphylococcus aureus bacteriophage and at least one aromatic alcohol of formula (I). The invention also relates to the use of such a composition for the prevention and / or treatment of skin conditions associated with colonization of Staphylococcus aureus in a subject in need thereof, and in particular for the prevention and / or treatment of acne and / or eczema in a subject in need thereof, and to a non-therapeutic cosmetic process for caring for a keratin material, in particular skin, comprising at least one step of topically applying such a composition to said keratin material.

The application discloses a nitrogen-doped carbon supported iron catalyst and application thereof in catalytic synthesis of aromatic nitrile, and relates to the use of the nitrogen-doped carbon supported iron catalyst as a catalyst to obtain aromatic nitrile through an ammoxidation reaction under a solvent-free condition, with aromatic alcohol and ammonia water as raw materials and under an oxygen or air atmosphere. Compared with a traditional method, the nitrogen-doped carbon supported iron catalyst provided by the application is used to perform ammoxidation under a solvent-free condition, so that the use of organic solvents is avoided, pollution caused by volatilization of the organic solvents to the environment is avoided, and reaction energy consumption and separation energy consumption caused by the solvents are reduced.

The invention provides a method for preparing aromatic alcohol by hydrogenation of aromatic aldehyde. The method comprises the following steps: carrying out hydrogenation reaction on aromatic aldehyde in the presence of a copper tailing catalyst to obtain corresponding aromatic alcohol; wherein the aromatic aldehyde is selected from one or more of aldehyde compounds containing benzene rings and aldehyde compounds containing furan rings; the copper tailing catalyst is prepared by a method comprising the following steps: drying, crushing and sieving copper tailings, and then calcining and reducing to obtain the copper tailing catalyst. The copper tailings are treated to serve as the aromatic aldehyde hydrogenation catalyst, particularly, high furfuryl alcohol selectivity is achieved in the reaction for preparing furfuryl alcohol through furfural hydrogenation, and resource utilization of the copper tailings is achieved.

This invention relates to the field of oilfield chemistry, and discloses an oil displacement composition and an oil displacement agent, as well as their applications. The oil displacement composition comprises component A and component B, wherein component A has the structure shown in Formula I, and component B has the structure shown in Formula II; wherein R1 is a C1-C8 alkanol or a C6-C8 aromatic alcohol; PO is a polyoxypropylene segment; EO is a polyoxyethylene segment; m = 1-30; n = 1-15; Y ‑ R1 is an acid radical ion; M is an alkali metal or alkaline earth metal; R2 is a C1-C8 alkyl group or a C6-C8 aryl group. The oil displacement agent prepared from the oil displacement composition of this invention can be used in chemical oil displacement. This oil displacement agent is an ultra-low interfacial tension spreading type oil displacement agent, with simple composition, good solubility, and cost advantage. R1-O-(PO) m -(EO) n -Y ‑ M + Formula I; R2-OH Formula II.