20 results about "Aromatic alcohol" patented technology

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.

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.

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 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.

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.

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).

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.

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.

A broad-spectrum dissolution treatment method for natural polymers belongs to the field of polymer processing technology. This method uses a deep eutectic solvent as the solvent, dissolving at 60-80°C for 4-6 hours. The deep eutectic solvent is an aromatic hydrogen bond donor-acceptor deep eutectic solvent composed of a hydrogen bond donor (HBD) and a hydrogen bond acceptor (HBA). The hydrogen bond donor is one of aromatic carboxylic acids, aromatic phenols, aromatic alcohols, and aromatic amides, and the hydrogen bond acceptor is at least one of benzyltrimethylammonium chloride and benzyltriethylammonium chloride. This invention utilizes a DES composed of aromatic HBA and HBD, which exhibits broad-spectrum solubility and excellent solubility for various natural polymers, overcoming the limitation of traditional DES's single applicability. This DES effectively shortens the dissolution time for poorly soluble polymers while improving their solubility. It is highly adjustable, with performance controlled by changing the HBD / HBA combination or ratio.

A polyester which is less colored is obtained by treating a fiber product containing a polyester fiber and a Polyurethane fiber with an aromatic alcohol at a temperature in the range of from (the glass transition temperature of the polyester) to {(the glass transition temperature of the polyester)+100° C.}.

The application discloses a hydrocracking method for improving color stability of special oil. The method is a one-stage series hydrocracking process, wherein a hydrocracking catalyst bed and a post hydrofining catalyst bed are arranged in sequence along the liquid phase material flow direction in a hydrocracking reactor, and the method comprises the following steps: a wax oil raw material is sequentially introduced into a hydrofining reactor and a hydrocracking reactor, and the obtained product is separated and fractionated to obtain an industrial white oil fraction; wherein, a material P is introduced between the hydrocracking catalyst bed and the post hydrofining catalyst bed, the material P is one or more of C17-C22 phenols, aromatic alcohols, aromatic aldehydes, aromatic ketones and aromatic esters; an air cooling device is arranged before fractionation of the obtained product, wherein the air cooling device is water injected so that the material P in the product is taken out of the reaction system by the water phase. The method can improve the color stability of the special oil under the condition that the hydrocracking device is mainly used for producing the special oil.

The present invention addresses the problem of providing: a treatment agent for a polyester synthetic fiber, by means of which the quality of fibers to which the treatment agent adheres is improved; and a polyester synthetic fiber obtained using the treatment agent. This treatment agent for a polyester synthetic fiber is characterized in that it comprises a smoothing agent (A), an antistatic agent (B), and a non-ionic surfactant (C), wherein the non-ionic surfactant (C) contains a (poly)oxyalkylene derivative (C1) of an aromatic alcohol. The (poly)oxyalkylene derivative (C1) of the aromatic alcohol is a compound with a structure such that at least one alkylene oxide, selected from ethylene oxide and propylene oxide, is added in a total amount of at least 1 mol and at most 100 mol per 1 mol of an alcohol represented by the following general formula (1).In the general formula (1), R1 represents a hydrocarbon group with 10 to 20 carbon atoms.

This invention relates to the field of oilfield chemistry, and discloses a betaine compound, its preparation method, and its application. The betaine compound has the structure shown in Formula I: In Formula I, m = 1-30; n = 1-15; R1 is a C1-C8 carbon chain alcohol or a C6-C8 aromatic alcohol; R2 and R3 are each independently hydrogen or methyl; R4 is a C1-C3 alkylene or hydroxylated alkylene; M ‑ SO3 ‑ or COO ‑ The betaine compound contains a large number of PO groups, increasing the size of the hydrophobic groups. Betaine percolators containing this compound, through the synergistic effect of the PO groups and betaine molecules, transform the active components of crude oil into low-molecular-weight components (such as fatty acids), reducing the interfacial film strength of the betaine and thus improving the deformability of the emulsion. The betaine compound of this invention can be used as a betaine percolator for fracturing in low-permeability reservoirs, further improving oil recovery.

Compounds represented by formula (I), which are ethers or esters, as precursors for producing aromatic alcohols according to formula (II); their use as fragrance precursors, as well as fragrance compositions and consumer products containing the compounds.

A three-dimensional printing kit includes a fusing agent and a polymeric build material composition. The fusing agent includes a plasticizing solvent package, water, and from about 0.01 wt % active to about 0.35 wt % active of a visible light absorbing dye selected from a yellow dye, a red dye, a blue dye, an orange dye, a green dye, a purple dye, and / or a cyan dye. The plasticizing solvent package consists 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.

Provided are: a cleaning composition that has excellent fast cleaning capabilities, can be quickly removed after cleaning, and has excellent compatibility; a resin removal agent that contains the cleaning composition; and a resin removal method.　The cleaning composition of the present invention contains at least: a component (A), which is a monovalent aromatic alcohol compound; a component (B), which is an alcohol compound having a valence of three or higher; a component (C), which is an inorganic alkali compound; and a component (D), which is an organic acid or a salt thereof. The composition includes 20-40 parts by mass component (B) with respect to 100 parts by mass of the component (A).

The application provides an application of a strain of Tolypocladium inflatum ZJPH2105 in preparing a chiral aromatic alcohol through asymmetric reduction of an aromatic ketone. The product obtained through catalysis of the strain of Tolypocladium inflatum ZJPH2105 has an e.e. value of greater than 99.9%, the strain is green and safe, easy to cultivate, and rich in source, and the conversion process does not need to add expensive coenzyme, and has the characteristics of low cost, green and environment-friendly conversion process and the like. The application uses the strain of Tolypocladium inflatum ZJPH2105 as a biological catalyst to reduce 4'-bromo-2,2,2-trifluoroacetophenone, when the substrate concentration is 10 mM, the yield of the target product (S)-1-(4-bromophenyl)-2,2,2-trifluoroethanol can reach 98.2%, and the e.e. value is greater than 99.9%.

This invention discloses a method for the directional preparation of high-value chlorine-containing chemicals from polyvinyl chloride (PVC) and its applications, belonging to the field of solid waste recycling technology. The method includes the following steps: constructing a reaction system using PVC, aromatic alcohols, and a solvent; placing the reaction system at a temperature of 100–300 °C for ≥0.2 h to obtain chlorine-containing aromatic compounds; the aromatic alcohols include benzyl alcohol, 2-methylbenzyl alcohol, 3-methylbenzyl alcohol, 4-methylbenzyl alcohol, 4-tert-butylbenzyl alcohol, phenethyl alcohol, 4-bromobenzyl alcohol, p-chlorobenzyl alcohol, 4-hydroxymethylbenzonitrile, or 4-hydroxymethylbiphenyl, etc. This invention is economical and green, achieving the upgrade and conversion of PVC into chlorine-containing aromatic compounds in a single step without a catalyst, which is environmentally friendly and effectively utilizes chlorine resources.