192 results about "Glycol ethers" patented technology

The invention relates to the technical field of polymer electrolyte, in particular to a self-repairing type gel polymer electrolyte membrane, a preparation method and application in an energy storage battery, the self-repairing type gel polymer electrolyte membrane is prepared by the following steps: dissolving amino-terminated polyethylene glycol in an organic solvent, adding trimesic acid under the protection of an inert atmosphere, heating, stirring and reacting to form a pre-polymerized solution, cooling, and then adding trimesic acid into the pre-polymerized solution to prepare a self-repairing type gel polymer electrolyte membrane; the preparation method comprises the following steps: adding glyoxylic acid and glacial acetic acid, carrying out a constant temperature reaction to obtain a solution A, adding LiTFSI into the solution A, carrying out ultrasonic dispersion to a homogeneous phase, pouring the obtained slurry onto a template, and carrying out a drying curing reaction to obtain the self-repairing gel polymer electrolyte membrane. A rigid aromatic cross-linking agent is used for inhibiting polymer crystallization and improving mechanical integrity, an imine bond-based dynamic covalent network is introduced to realize an autonomous interface repairing function at the working temperature of the battery, and meanwhile, a polyethylene glycol ether oxygen chain is used for constructing an efficient lithium ion transmission channel; therefore, the technical boundary that the conductivity, the mechanical strength and the interface stability of the traditional GPE are difficult to collaboratively optimize is broken through.

The invention relates to an EPEG slump retaining agent and a preparation method thereof, and the EPEG slump retaining agent is prepared from the following raw materials in parts by weight: 160-180 parts of ethylene glycol monovinyl polyethylene glycol ether monomer; 25-35 parts of an unsaturated acid monomer; 20 to 25 parts of an unsaturated slow-release ester functional monomer; 12-18 parts of an unsaturated double-bond siloxane functional monomer; 10-15 parts of a modified core-shell functional monomer; 6-8 parts of a rigid functional monomer; 10 to 15 parts of an initiator; 5-8 parts of a transfer agent; and 200 to 220 parts of water. The EPEG slump retaining agent and the preparation method of the EPEG slump retaining agent are prepared by performing molecular design and key synthesis technology research on a polycarboxylic acid high-performance polycarboxylic acid slump retaining agent, and the long-acting slump retaining capacity and the slow-release dispersing capacity of the polycarboxylic acid slump retaining agent in cement concrete are further improved.

A hard surface cleaning composition comprising: (a) 0.1 to 60 wt % of a surfactant system; (b) 0.1 to 40 wt % of a solvent, wherein the solvent is selected from the group consisting of a lower alkanol, a benzyl alcohol, a lower alkyl ether, a glycol, an aryl glycol ether, a lower alkyl glycol ether, a glycerol ketal, an ester, a hydrocarbon / ester blend, a dibasic ester, a linear alcohol ethoxylate, a branched alcohol, oxo alcohol ethoxylate, and combinations thereof; and (c) optionally 0.001 to 10 wt % of a lipase.

To provide an inkjet ink that can be adjusted to an appropriate viscosity range and has excellent properties such as continuous and intermittent printing capabilities. [Solution] An inkjet ink is provided comprising a solvent containing a first solvent which is a glycol ether and a second solvent which is an alcohol having C1 to C3 carbon atoms, and a polyvinyl acetal resin, wherein the ratio of the second solvent to the total amount of the solvent is 5% by mass or more and 50% by mass or less. The first solvent may be propylene glycol monomethyl ether.

Provided is a water-based inkjet ink that is excellent in continuous ejection stability and straight ejection, and that provides excellent print density and print quality for prints on various printing substrates, particularly paper substrates, and further has good resolubility. [Solution] The aqueous inkjet ink comprises pigment particles including a pigment and a pigment dispersing resin that covers at least a portion of the surface of the pigment, an acetylene diol surfactant (B-1) having a measured HLB value of 6 to 9, a siloxane surfactant (B-2), an alkanediol having 3 to 4 carbon atoms, an alkanediol having 5 to 8 carbon atoms, and a glycol ether having 4 to 10 carbon atoms, wherein the pigment dispersing resin comprises a crosslinked reaction product of a polymer (A-1) that has an aromatic ring and an acid group and an acid value of 50 to 160 mg KOH / g, and a compound (A-2) that has multiple glycidyl ether groups in one molecule, and the compound (A-2) is blended in an amount that results in a glycidyl group content of 50 to 200 mol %.

An electric driveline fluid is described. The fluid comprises an oil of a major lubricating viscosity, an electric driveline additive including glycerol, glycol, glycol ether, pentaerythritol, vicinal diol, triol, or derivatives thereof, and at least one overbasic sulfonate detergent. The amount of the electric driveline additive is approximately 0.001% to approximately 1.5% by weight, based on the total weight of the electric driveline fluid.

Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, and an inverting surfactant composition comprising one or more surfactants selected from the group consisting of ethoxylated amine compounds, ethoxylated fatty acid compounds, and alkyl polyethyleneglycol ether carboxylic acid compounds, alkyl polyglycol ether carboxylic acid compounds, and salts or esters thereof. The emulsions are particularly suitable for use in brine.

The invention relates to the technical field of production of flurala drops, in particular to a flurala drop preparation method based on online monitoring. The preparation method comprises the following preparation processes: sequentially adding weighed dimethylacetamide and acetone into a liquid preparation tank, adding fluralana and tetrahydrofuran polyglycol ether into the liquid preparation tank, stirring until the materials are uniformly mixed, monitoring raw material data, production data and product data by using a monitoring and collecting system in the preparation process, and recording and storing the raw material data, production data and product data through a monitoring and recording system. Data collected by the monitoring and collecting system is used as a reference, production is controlled and commanded through the monitoring and controlling system, and the monitoring and recording system records and stores the data and sends the data to the monitoring and analyzing system for statistical analysis and machine learning training. Key links such as raw material parameters, environmental process parameters and intermediate product and finished product quality data are monitored online in real time through the monitoring and collecting system, the production dynamic state is comprehensively mastered, and it is guaranteed that all procedures are strictly executed according to the process requirements.

In one aspect, a method for manufacturing a semiconductor substrate is provided that can suppress the generation of shredded temporary fixing agent residue. In one aspect, the present disclosure relates to a method for manufacturing a semiconductor substrate, including the following steps 1 and 2: Step 1: Preparing a semiconductor substrate with a film-like temporary fixing agent adhered to it Step 2: A step of peeling off the film-like temporary fixing agent from the semiconductor substrate obtained in Step 1 using a cleaning agent containing glycol ether, hydrocarbon, and amine.

Provided is a binder composition for a power storage device, which is capable of producing a power storage device electrode having excellent surface state, adhesion, and ion conductivity, and which is capable of improving the cycle life characteristics of a power storage device. This binder composition for an electricity storage device contains a polymer (A), a nonionic surfactant (B), and a liquid medium (C), and the polymer (A) contains an alpha, beta-unsaturated compound derived from an alpha, beta-unsaturated compound when the total of repeating units contained in the polymer (A) is taken as 100 mass%. The polymer (A) contains 1-50 mass% of a repeating unit (a1) derived from a [beta]-unsaturated nitrile compound and 40-80 mass% of a repeating unit (a2) derived from an unsaturated carboxylic acid ester, and the content ratio of the nonionic surfactant (B) is 0.1-10 parts by mass per 100 parts by mass of the polymer (A). The liquid medium (C) is at least one substance selected from the group consisting of aliphatic hydrocarbons, alicyclic hydrocarbons, aromatic hydrocarbons, ketones, esters, ethers, glycol ethers, lactams, lactones, and amides.

A surface treatment composition of the present invention is a surface treatment composition that are supplied as a vapor to a surface of a wafer having an uneven pattern on the surface and used to form a water-repellent protective film on the surface, the surface treatment composition containing a silylating agent and a solvent, in which the silylating agent contains a trialkylsilylamine, the solvent contains at least one or more selected from the group consisting of glycol ether acetate and glycol acetate, and a total content of the glycol ether acetate and the glycol acetate is 50% by mass or more in 100% by mass of a total amount of the solvent.

The present invention concerns a pharmaceutical composition for topical administration, comprising sirolimus, solvent, thickener and glycol ether. The invention further concerns a pharmaceutical composition for use in the treatment of skin diseases or skin manifestations of diseases, especially of skin manifestations of tuberous sclerosis complex (TSC). The invention further concerns a method for producing a pharmaceutical composition comprising the steps of (i) providing sirolimus and (ii) forming the present composition.

A method for forming a semiconductor structure is provided. The method includes forming a patterned photoresist layer over a substrate and removing the patterned photoresist layer using a photoresist stripping composition that is free of dimethyl sulfoxide. The photoresist stripping composition includes an organic alkaline compound including at least one of a primary amine, secondary amine, a tertiary amine or a quaternary ammonium hydroxide or a salt thereof, an organic solvent selected from the group consisting of a glycol ether, a glycol acetate, a glycol, a pyrrolidone and mixtures thereof, and a polymer solubilizer.

The invention relates to a polycarboxylic acid water reducer and a preparation method thereof, and belongs to the technical field of polycarboxylic acid water reducers. The polycarboxylic acid water reducer comprises the following components: isopentenyl polyoxyethylene ether, acrylic acid, an acrylate monomer, modified talcum powder, sodium lignin sulfonate, sodium gluconate, ethylene glycol monovinyl polyethylene glycol ether, ammonium persulfate, methyl ethyl ketone peroxide, sodium hydrosulfide, a chain transfer agent and deionized water. The prepared water reducing agent has excellent fluidity, dispersibility and mechanical strength after being added into concrete.

A liquid additive composition comprising a particulate material, an organic carrier fluid, a deflocculant, and optionally a viscosifier and / or a surfactant; wherein the particulate material is substantially insoluble in the organic carrier fluid, and wherein the organic carrier fluid comprises a glycol and / or a glycol ether. A method comprising (a) contacting a particulate material, an organic carrier fluid, a deflocculant, and optionally a viscosifier and / or a surfactant to form a mixture; and (b) agitating the mixture to form the liquid additive composition.

A liquid additive composition comprising a particulate material, an organic carrier fluid, a deflocculant, and optionally a viscosifier and / or a surfactant; wherein the particulate material is substantially insoluble in the organic carrier fluid, and wherein the organic carrier fluid comprises a glycol and / or a glycol ether. A method comprising (a) contacting a particulate material, an organic carrier fluid, a deflocculant, and optionally a viscosifier and / or a surfactant to form a mixture; and (b) agitating the mixture to form the liquid additive composition.

The invention discloses preparation and application of a diethylene glycol etherification catalyst, and belongs to the technical field of organic synthesis. The catalyst disclosed by the invention is prepared by loading metal M into pores of an acidic molecular sieve and then roasting, the metal M is one or more than two of Fe, Co, Ni, Cu, Zn, Nb, Ag, Sn, W, Ga, Pd, Re, Y, La, Ce, Nd, In, Zr, Sm and Er, and the content of the metal M in the catalyst is 0.1-50 wt%; the catalyst is used in a reaction for catalyzing diethylene glycol and low-carbon alcohol to prepare diethylene glycol ether, the selectivity of the diethylene glycol ether is remarkably improved, and the catalyst is low in raw material cost, simple in preparation method, easy to industrially amplify and very good in application prospect.

A curable composition containing: a compound represented by the following formula (1), and at least one polyalkylene glycol ether selected from the group consisting of polyalkylene glycol monoethers and polyalkylene glycol diethers. In formula (1), R 11 and R 12 each independently represent a hydrogen atom or a methyl group, and R 13 represents a divalent group having a polyoxyalkylene chain.

Cleaning and disinfecting compositions capable of providing antimicrobial efficacy to inanimate surfaces are disclosed. The cleaning and disinfecting composition employs a mixture of an organic acid and a hydrotrope. The cleaning and disinfecting composition is substantially free of alcohol or glycol ether non-aqueous solvents.

The invention belongs to the technical field of high-purity glycol ether purification, and particularly relates to a high-purity glycol ether purification device and method. The device comprises a gasification tank and a filter, an arc-shaped ring surface is arranged on the side wall of the filter, a transmission case is mounted on the outer wall of the filter, the output end of the transmission case is connected with a filtering assembly, and a partition plate is mounted in the filter and divides the filter into a filtering cavity and a material distribution cavity. A motor is arranged in a transmission box to drive a filter plate to rotate clockwise, at the moment, a top plate and a bottom plate are fixed, first filter holes are in a communicated state, the filter plate is disengaged from making contact with a baffle, and a filter cavity communicates with a material distribution cavity; along with rotation of the filter plate, glycol ether enters the gasification tank through a first filter hole in the left side of the filter plate, and impurities on the left side of the filter plate move towards a second filter hole in the right side of the filter plate under impact of a solution, so that the impurities enter the material distribution cavity, and the situation that the impurities block the interior of the first filter hole, liquid passing resistance is increased, and even flowing is completely blocked is avoided.

The present application belongs to the field of polymer preparation, and particularly relates to a N,N-dimethylamino glycol ether, wherein R is C1-C4 alkyl; preferably methyl or ethyl. The present application also provides preparation of the compound and a method for adjusting microstructure of conjugated diene polymer by using the compound as a structure regulator. The compound can effectively adjust the microstructure of conjugated diene polymer and reduce residual in polymer solution, and is beneficial to preparation of high-quality polymer.

The invention provides a macromonomer for preparing a polycarboxylate superplasticizer as well as a preparation method and application of the macromonomer. The macromonomer for preparing the polycarboxylate superplasticizer is obtained by grafting a sulfonate group and quaternary ammonium salt on a terminal hydroxyl group of ethylene glycol monovinyl polyethylene glycol ether. The polycarboxylic acid water reducing agent prepared by copolymerizing the macromonomer for preparing the polycarboxylic acid water reducing agent with acrylic acid and hydroxyethyl methylacrylate is high in dispersion efficiency, strong in slump retaining property and good in adaptability to a complex system.

A liquid set for inkjet printing comprising an aqueous pre-treatment liquid comprising a fixing agent, an aqueous inkjet ink comprising a pigment and a water-soluble organic solvent, and a varnish, the varnish includes water, resin particles selected from the group consisting of urethane resins, acrylic resins, and waxes, and a water-soluble polymer selected from the group consisting of linear PPO-PEO copolymers and aryl ethyl phenyl polyethylene glycol ethers. The liquid package is suitable for inkjet printing on liners for corrugated packaging, folded panels and corrugated boards.

The invention discloses a method for preparing vinyl alkyl ether from ethylene oxide through ethylene glycol monoalkyl ether. The ethylene glycol monoalkyl ether prepared through ring opening etherification of ethylene oxide and alcohol is further subjected to a gas-phase dehydration reaction, and a reaction product is subjected to fractional refining to obtain the vinyl alkyl ether. According to the method, bulk chemicals ethylene oxide and alcohol are used as raw materials, two-step reaction of novel solid acid catalytic addition etherification and novel solid base catalytic dehydration is adopted, ethylene glycol monoalkyl ether and vinyl alkyl ether compounds with high additional value are prepared, the raw materials are low in price and easy to obtain, the product yield is high, the production cost is low, the application range is wide, and the development potential is large; a catalytic reaction process and a grading refining process are adopted, the process is efficient, safe and environment-friendly, and the device can be large-scale; the product scheme is flexible, and a series of ethylene glycol monoalkyl ether and vinyl alkyl ether products can be produced by switching the raw material alcohol.

The utility model relates to dihydric alcohol ether micro -tube type reactor technical field, and disclose a dihydric alcohol ether micro -tube type reactor, including the tubular reactor body, the both sides of tubular reactor body surface all are connected with the connecting port for feeding, the inner chamber of tubular reactor body is provided with the auxiliary block of reinforcement fluid chaos mixing effect, the utility model discloses in the routine use of tubular reactor body, can be under the action of liquid heat exchanger body, pressurizing pump, heat exchange pipe and liquid delivery pipe, the heat of tubular reactor body inner chamber is heat exchanged, reaches the effect of temperature control to reduce the possibility of by -product production in the reaction due to local overheating, and can be under the action of pressurizing pump, can make the pressure change of pressurizing chamber inner chamber, thereby make the vibration piece pressure vibrate, and then reach the effect of vibration and drop viscous material, reduce the probability of tubular reactor body block, improve the practicality of this device.

This invention discloses a silicone-free, low-foaming surfactant and cleaning agent for cleaning medical devices, and their preparation method, relating to the field of medical device cleaning technology. The technical solution involves using citric acid, lauryl glycol ether, and octylphenol polyoxyethylene ether-6 as reaction substrates, and obtaining the surfactant by adding (Boc)₂O and reacting under solvent-free conditions in an electromagnetic grinder. This invention uses citric acid, lauryl glycol ether, and octylphenol polyoxyethylene ether-6 as reaction substrates, and obtains the silicone-free, low-foaming surfactant for cleaning medical devices by adding (Boc)₂O and reacting under solvent-free conditions in an electromagnetic grinder. The entire process employs a mechanochemical method, and the reaction can be completed without harsh conditions such as high temperature and high pressure, resulting in low cost, simple process, and minimal pollution.

This invention relates to the field of fine chemical technology, specifically to a water-based ink wetting and leveling agent composition, its preparation method, and its application. This invention employs a synergistic effect of a linear A-B-C structure acetylenic glycol ether-modified polysiloxane that rapidly balances the dynamic surface tension of the water-based system, an isoallyl butyl polyether-modified heptamethyltrisiloxane surfactant that efficiently reduces the static surface tension of the water-based system, and a biosurfactant with high system compatibility. This ternary synergistic effect serves as a highly efficient wetting and leveling agent for water-based inks, effectively improving the dispersion performance of various pigments and fillers in the water-based ink. It significantly reduces Bénard vortex film defects such as floating color, blooming, and pinholes caused by differences in density and surface properties between pigments and fillers in the water-based ink system, thereby improving the smoothness, water resistance, and other properties of the coating film, resulting in highly smooth printed materials.

The invention provides a method for preparing vinyl ether by cracking ethylene glycol monoether or / and diether, which comprises the following steps of: loading ethylene glycol monoether, diether or mixed ether with a structural formula of HOCH2CH2OR or / and ROCH2CH2OR (R is alkyl or substituted alkyl) into a fixed bed reactor bed layer of a supported Cs-series and Ca-Mg-series solid base catalyst through mixing, layering or bed separation; reacting to generate a vinyl ether gas-phase mixture with a structural formula of CH2 = CHOR, and then treating a cracking reaction product through a gas-liquid separation process and a separation refining process to obtain the high-purity vinyl ether. The method provided by the invention adopts a continuous reaction process, the device can be large-scale, the operation is simple and convenient, and the process is safe and environment-friendly; the ethylene glycol mono / di-mixed ether crude raw material without separation can be used, the cracking reaction activity of ethylene glycol ether and the selectivity of vinyl ether are high, the performance of the catalyst is stable, and the production cost is low.

The currently claimed invention relates to a method for improving the color fastness of a cellulose-based substrate to nitrogen oxides and ozone. The method comprises contacting the cellulose-based substrate with a composition comprising: at least one aminourea compound selected from bis[4-[3-(dimethylamino)ureo]phenyl]methane (I) and 4,4'-hexamethylenebis(1,1-dimethylaminourea) (II); at least one solvent selected from alcohols of formula A, glycol ethers of formula B, glycol ethers of formula C, polyethylene glycol, and water; R 1 -OH-A,R 2 -(OCH2CH2-) n OH-B,R 3 -(OCH2(CH3)CH-) m OH-C, where R 1 Selected from C2-C 10 Straight-chain or branched alkyl groups; R 2 Selected from C1-C6 straight-chain or branched alkyl groups; n is 1, 2 or 3; R 3 Selected from C1-C6 straight-chain or branched alkylene groups; and m is 1 or 2; wherein the cellulose-based substrate is selected from at least one of the following: dyed cellulose-based substrate, printed cellulose-based substrate, and dyed and printed cellulose-based substrate; and (ii) drying.

To provide a water-based ink for inkjet printing excellent in substrate adhesion, wet spreadability and printing density of the ink to a low liquid absorbing printing substrate.SOLUTION: A water-based ink for ink-jet printing on a low-liquid absorbing printing substrate, which comprises a pigment, an organic solvent (A), an organic solvent (B) and water, wherein the organic solvent (A) is a glycol ether having an octanol-water partition coefficient logP of at least 0.75, the organic solvent (B) is a glycol ether or alkylene glycol having an octanol-water partition coefficient logP of less than 0.75, and a distance Ra between Hansen solubility parameters (HSP) of the organic solvent (A) and the organic solvent (B) is not more than 5.5, A mass ratio (A) / (B) of the organic solvent (A) to the organic solvent (B) is not less than 0.4 and not more than 2.5.SELECTED DRAWING: None