321 results about "Alkanolamine" patented technology

An aqueous ultraviolet-absorbing resin emulsion, and an aqueous resin emulsion composition containing the emulsion is provided, wherein the emulsion is excellent in compatibility with a synthetic resin and light resistance. Also, the emulsion improves stability in blending with an aqueous emulsion of the synthetic resin, and prevents bleed out of the ultraviolet-absorbing resin on the surface of a coating film. Further, the aqueous ultraviolet-absorbing resin emulsion imparts excellent alkali or solvent resistance to a synthetic resin poor in alkali or solvent resistance. More specifically, an aqueous resin emulsion composition comprising (I) an aqueous ultraviolet-absorbing resin emulsion and (II) an other aqueous resin emulsion is provided, wherein the emulsion (I) is obtained by urethanizing (A) a polyol component having an ultraviolet-absorbing group {e.g., 1,1-bis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzeneethanol]methane}, (B) a polyol if necessary, (C) an alkyl or aryl dialkanolamine compound, and (D) an organic polyisocyanate in (E) an organic solvent, diluting the reaction mixture with (F) an organic solvent having a boiling point lower than 100° C. to give a resin solution, neutralizing the resin solution with (G) a neutralizing agent, and dispersing the resultant in water.

The invention relates to the technical field of carbon capture, and discloses a modified carbon capture solvent and a preparation method thereof.The modified carbon capture solvent is prepared from, by mass, 40-55 parts of multi-component organic alcohol amine, 0.1-0.3 part of antioxidant, 0.05-0.5 part of chloride ion capture agent, 0.05-0.2 part of corrosion inhibitor, 0.05-0.1 part of defoaming agent and demineralized water, and the multi-component organic alcohol amine is prepared from 25-30 parts of main absorbent and 15-25 parts of auxiliary modifier. The absorption performance of the modified carbon capture solvent is improved, the oxidative degradation is reduced, the corrosivity is weakened, the foaming tendency is reduced, the operation efficiency and the safety coefficient of a carbon capture device are comprehensively improved, and the application problem of a current coal-fired flue gas chemical absorption method carbon capture technology is effectively solved.

The invention belongs to the technical field of stripping liquid, and particularly discloses water-based photoresist stripping liquid and a preparation method thereof. The water-based photoresist stripping liquid is prepared from the following raw materials in percentage by mass: 10 to 15 percent of quaternary ammonium salt compound, 15 to 25 percent of water-soluble organic solvent, 0.2 to 0.5 percent of alkanolamine substance, 0.03 to 0.05 percent of metal protective agent and the balance of deionized water, the quaternary ammonium salt compound is prepared by the following steps: reacting 6-heptene-1-alcohol with ethylene oxide to obtain a compound 1, carrying out amidation reaction on allyl glycidyl ether and dimethylamine to obtain a compound 2, and carrying out chlorination reaction on sodium 2-chloroethanesulfonate and the compound 2 to obtain a compound 3; and finally polymerizing the compound 1 and the compound 3 under the initiation action of azodiisobutyronitrile. All the components in the stripping liquid have a synergistic effect, so that the photoresist is effectively stripped, and the stripping liquid is free of residues, more efficient and good in corrosion-resistant effect.

A method for regenerating an amine-containing sorbent useful in the capture of carbon dioxide (CO2), by contacting a CO2 complex of the amine-containing sorbent in solution with a metal oxide material while the solution is at a temperature within a range of 60-130° C. to result in release of CO2 and regeneration of the amine-containing sorbent, wherein the CO2 in the CO2 complex is in the form of a carbamate or bicarbonate moiety attached to the amine-containing sorbent. The method may also include re-using the regenerated sorbent to capture carbon dioxide. The sorbent may be, for example, an amino acid (e.g., glycine), alkylamine, alkanolamine, or amine biphasic solvent. The metal oxide material may more particularly be selected from the group consisting of TiO2, TiO(OH)2, MoO3, V2O5, Cr2O3, WO3, Ag2O, Nb2O5, NiO, CuO, MnO2, ZrO2, Fe2O3, Fe3O4, ZnO, and combinations thereof.

The purpose of the present invention is to provide a separation membrane having excellent organic solvent resistance, acid resistance, and base resistance. The present invention pertains to a modified polyphenyleneoxide separation membrane obtained by substituting, in a polyphenyleneoxide precursor film in which at least a portion of benzyl positions at position 2 and position 6 are halogenated, at least a portion of the halogens with an alkanolamine. The present invention also pertains to a method for producing a modified polyphenyleneoxide separation membrane, the method comprising immersing a precursor film made of a halogenated polyphenyleneoxide in which at least a portion of benzyl positions at position 2 and position 6 are halogenated, in a reaction solution containing an alkanolamine dissolved in an organic solvent in which the precursor film will not be dissolved, to substitute at least a portion of halogens at the benzyl positions with an alkanolamine.

The invention relates to environment-friendly concrete based on building waste and a production method. The environment-friendly concrete is prepared from the following raw materials: cement, river sand, modified regenerated building waste, fly ash, water, a water reducing agent, epoxy resin and an alcohol amine compound. Wherein the modified regenerated building waste is obtained by sequentially carrying out carbonization treatment on regenerated building waste, immersing the regenerated building waste into a nano silicon dioxide aqueous dispersion liquid for freezing and melting circulation treatment and carrying out surface amination treatment. The internal structure of the regenerated building waste is optimized, so that the strength of the regenerated building waste is improved, the high-strength, low-bleeding and environment-friendly concrete material is developed, and recycling of the regenerated building waste is promoted.

To provide a topical composition with excellent adhesiveness to the skin.SOLUTION: A topical composition according to the present invention comprises (A) at least one polyhydric alcohol having a molecular weight of 100 to 200, and (B) at least one non-polymerizable cationic compound. The component (B) may be a compound containing a metal to be a divalent or higher cation in an aqueous solution, a basic amino acid, alkanol amine, or alkyl amine, and the component (A) may be glucose, sorbitol, fructose, xylitol, or erythritol.SELECTED DRAWING: None

Provided is a composition for removing keratosuppository, which has an excellent keratosuppository removal effect and an excellent feeling of use. A composition for removing a keratotic plug according to the present invention contains (A) an alkanolamine compound such as a trialkanolamine, (B) an alkylene oxide derivative such as a polyoxyethylene-polyoxypropylene addition alkyl ether, and (C) water.

The invention relates to the technical field of etching liquid compositions, in particular to a Cu-MoTi alloy multi-film etching liquid composition and a preparation method thereof.The Cu-MoTi alloy multi-film etching liquid composition at least comprises, by mass, 13.00%-25.00% of a metal oxidizing agent, 1.00%-5.00% of a chelating agent, 0.10%-4.00% of an auxiliary chelating agent, 0.10%-5.00% of an etching agent, 0.01%-3.00% of alkanolamine, 0.005%-1.00% of a fluorine compound, 0.01%-3.00% of a hydrogen peroxide stabilizer and 0.10%-1.00% of KOH, the etching solution has the advantages that anisotropy and isotropy of etching are effectively balanced, the problems of reverse taper angle and poor DO are solved, the etching solution has cost and performance advantages, and a high-reliability etching solution is provided for semiconductor manufacturing.

To provide a liquid detergent composition that achieves both cleaning and disinfecting power, and also exhibits excellent stability of silver compounds at high temperatures. [Solution] A liquid detergent composition comprising (A) component: an alkanolamine represented by the following formula (a), (B) component: a chelating agent, (C) component: a surfactant comprising one or more selected from the group consisting of anionic surfactants (C1), nonionic surfactants (C2), amphoteric surfactants (C3), and semipolar surfactants (C4), and (D) component: a silver compound, wherein the pH at 25°C is 6 to 11. [C1] TIFF2026105304000022.tif48170

The use of certain alkanolamines in hair treatment compositions as an alternative to some or all ammonium hydroxide is disclosed. These compositions are useful in curling and straightening applications. Benefits include similar or reduced hair damage; relatively mild alkalinity; the curling or straightening efficiency and the shape retentivity are very good; heating is not needed; and useful results have been obtained using different hair races.

To provide an antimicrobial composition having long-lasting antimicrobial efficacy.SOLUTION: An antimicrobial composition comprises a photosensitizer (A) and at least one compound (B) selected from alkanolamines and aminocarboxylic acids, with the content of iron ions being 50 mol% or less based on the photosensitizer (A).SELECTED DRAWING: Figure 1

The present invention belongs to the technical field of semiconductor materials, and discloses a polymer with alternating arrangement of perylene diimide and naphthalene diimide, and its preparation method and application. The preparation method of the polymer includes the following steps: mixing naphthalic anhydride, alkanolamine and an organic solvent, and reacting to obtain naphthalene diimide-diol; mixing naphthalene diimide-diol, bromoacetic acid, 4-dimethylaminopyridine, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and an organic solvent, and reacting to obtain naphthalene diimide-dibromide; mixing naphthalene diimide-dibromide, perylene diimide-diamine and an organic solvent, and reacting to obtain the polymer. The present invention takes naphthalene diimide and perylene diimide as the core structures, and through design and synthesis, obtains a polymer with good water and alcohol solubility. This polymer can integrate the physical and chemical properties of the above two structural units, providing a guarantee for its application as an electron transport layer material in solar cells.

The invention relates to the technical field of semiconductors, in particular to photoresist stripping liquid and a use method thereof. The cleaning agent comprises the following components in percentage by weight: 70%-90% of an aprotic polar solvent, 10%-30% of organic alkanolamine, 0.01%-1.5% of a metal inhibitor and 0.05%-0.3% of an interfacial agent, the metal inhibitor comprises at least one of a tetrazole derivative and a gallic acid derivative. The metal inhibitor comprises a tetrazole derivative and a gallic acid derivative, so that the stripping capability of the stripping liquid on photoresist can be improved while metal on a wafer is not damaged; the weight ratio of the tetrazole derivative to the gallic acid derivative is (0.5-5): 1, so that the stripping efficiency of the stripping liquid on photoresist can be improved, and the stripping of the photoresist can be completed under the conditions that the temperature is 60-90 DEG C and the time is 10-40 minutes.

The invention discloses a ceramic catalytic membrane as well as a preparation method and application thereof in regeneration of a CO2-rich alcohol amine solution, the ceramic catalytic membrane comprises a ceramic membrane, and sulfated zirconium oxide is loaded on the surface of the ceramic membrane, in membrane pore channels and in a supporting layer. The preparation method of the ceramic catalytic membrane comprises the following steps: soaking a ceramic membrane in a zirconium sulfate solution, washing, drying and roasting. A membrane contactor constructed by using the prepared ceramic catalytic membrane can remarkably improve the regeneration performance of a CO2-rich alcohol amine solution, effective combination of the structure and the performance is realized, the preparation method is simple and convenient, the condition is mild, and the ceramic catalytic membrane with relatively high catalytic activity can be prepared at relatively low concentration.

The invention belongs to the technical field of gas desulfurization and purification, and relates to a composite solution capable of selectively removing carbonyl sulfide in gas flow and application of the composite solution, the composite solution comprises an amide compound, alkyl alcohol amine and a solvent, and the mass ratio of the amide compound to the alkyl alcohol amine is 2: 3-3: 2; the structural formula of the amide compound is as follows: # imgabs0 #, wherein R1 is an alkane branched chain of which the carbon number is greater than or equal to 2; r2 is an alkane branched chain with an element O or N; and R3 is a substituent group with an aromatic structure. The composite solution is used for selectively removing carbonyl sulfide in a gas flow containing carbon dioxide. Compared with the prior art, the composite solution disclosed by the invention can be used for inhibiting the absorption of carbon dioxide while realizing efficient removal of carbonyl sulfide, so that the regeneration energy consumption is greatly reduced, and deep desulfurization requirements under special occasions can be met.

Cleaning compositions and the method of using the same are disclosed, where the compositions include one or more alkanolamines, one or more ether alcohol solvents or aromatic containing alcohol, one or more corrosion inhibitors, and optionally one or more secondary solvents.

The invention belongs to the technical field of petrochemical catalysis, and relates to a process for preparing Ti-Beta zeolite based on a local structure reconstruction method. The main technical characteristics are as follows; the Ti-Beta zeolite is prepared by using water vapor to assist a tetraethylammonium bromide template agent and alcohol amine weak organic alkali to carry out local desilicication etching and repair reconstruction on hydroxyl nests of the dealuminated Beta zeolite. The method provided by the invention has the beneficial effects that the dissolution amount of silicate is limited by the combination of the tetraethylammonium bromide template agent and the alcohol amine weak organic base, and the pore channel condensation liquid and the zeolite solid surface liquid film generated by dealuminating the Beta zeolite in saturated steam; the controllable etching desiliconization of the dealuminated Beta zeolite hydroxyl nest is easier; and the admitting ability of the hydroxyl nest to titanium ions with larger volume is improved. Local structure defects generated by controllable etching desilicication can be repaired by directly using quaternary ammonium cations provided by a TEABr template agent as a guiding agent, so that the method does not need the assistance of fluoride or / and an aluminum source.

A lubricating oil additive composition including: (i) a Broensted acid salt of at least one first amide compound, the Broensted acid salt being a salt of the first amide compound and a Broensted acid, the first amide compound being a monoamide of at least one fatty acid (a1), and at least one amine compound (a2), the amine compound (a2) being an oligomer of at least one alkanolamine (a3) represented by the general formula (1):in the formula, n is 1 or 2; R1 is C1-4 linear chain alkylene or C3-10 branched chain alkylene, the C3-10 branched chain alkylene having a main chain, the main chain having a carbon number of 2; and when n is 2, a plurality of R1's may be the same, and may be different from each other.

The present invention provides a heat damage inhibitor composition for hair that suppresses heat-induced damage to the hair and maintains smooth texture and manageability even after heat treatment. [Solution] A heat damage inhibitor composition for hair, comprising (A) an arginine derivative represented by general formula (1) and (B) an anionic water-soluble polymer, wherein the weight blending ratio ((A) component / (B) component) is 0.5 to 10.0. TIFF2026049878000009.tif3864 (In general formula (1), M is a hydrogen atom, an alkali metal, an alkaline earth metal, or an alkanolamine such as monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, or triisopropanolamine.)

The invention discloses a cleaning fluid composition for semiconductor wafer cleaning process, according to total mass percentage 100%, including the following raw material components: 0.1 40% compound of hydroxylamine or hydroxylamine salt, 0.1 10% organic acid, 0.1 30% quaternary ammonium base, 0 20% alkanolamine, and the remainder is ultrapure water. The cleaning fluid composition of the present invention, it can play the cerium oxide of partial reduction surface adsorption by the compound of hydroxylamine or hydroxylamine salt so as to weaken the adsorption power of cerium oxide particles and silicon oxide surface, and the addition of organic acid can form a complex bond with the cerium ion on cerium oxide surface so as to break the combination of cerium oxide particles and silicon oxide surface to reach the cerium oxide nanoparticles adsorbed on the removal silicon oxide surface, and the cleaning fluid is in alkaline environment when used, and will not cause damage to silicon oxide and silicon nitride surfaces.

Disclosed herein are anolytes comprising alkanolamine-base ligands and an iron-ion component. Also disclosed herein is a redox flow battery system comprising an anolyte comprising the alkanolamine-based ligand of the present disclosure, a catholyte; and an ion selective membrane disposed between the catholyte and anolyte. Also disclosed herein are methods of making and using the anolyte disclosed herein.

The present invention relates to a process for straightening / straightening keratin fibres, in particular hair, comprising i) the application to the keratin fibres of a composition comprising at least one alkanolamine, at least one compound chosen from amino acids and their derivatives, and at least one alkali metal, alkaline earth metal or ammonium hydroxide, ii) a rinsing step, iii) optionally a drying step, and iv) a straightening / straightening step.

This invention relates to the field of gas separation and purification, and discloses a composition containing an alkanolamine with acidic gas absorption function and its application. The composition comprises an organic amine and water; the weight ratio of the organic amine to water is (0.2-0.6):1; the organic amine includes component A and component B, wherein component A is a C1-C10 alkanolamine, and component B is a compound having the structure shown in formula (I), where A1-A4 are each independently H, -CR 1 R 2 CHR 3 (CH2) n COM, -CR 1 R 2 CHR 3 (CH2) n CONHN(CR 1 R 2 CHR 3 (CH2) n COM)2、-CR 1 R 2 CHR 3 (CH2) n CONHN(CR 1 R 2 CHR 3 (CH2) n CONHN(CR 1 R 2 CHR 3 (CH2) n COM)2)2 and CR derived from this pattern 1 R 2 CHR 3 (CH2) n The number of CONHN structures is 2. m One of the -1 groups. The composition provided by the present invention has good gas purification and separation effects, and is highly applicable and operable in industrial applications.

The present invention relates to: a carbon nanotube dispersion; a preparation method therefor; and an electrode slurry for a lithium secondary battery, comprising the carbon nanotube dispersion. The carbon nanotube dispersion comprises carbon nanotubes, a first dispersant comprising hydrogenated nitrile butadiene rubber, a second dispersant comprising at least one polymer selected from the group consisting of polyethylene glycol, poly (1,2-propylene glycol), poly (1,3-propylene glycol), polycaprolactone, polytetramethylene glycol, and polystyrene, a third dispersant comprising an alkanol amine-based compound, and a solvent.

The invention discloses a high-alkali-resistance textile degreaser as well as a preparation method and application thereof, and relates to the technical field of textile pretreatment. The method comprises the following steps: S1, carrying out a neutralization reaction on fatty acid methyl ester sulfonic acid and a mixed alkali solution of sodium hydroxide and alkanolamine, and controlling the pH value of a reaction endpoint to be 6.0-7.5 to obtain a mixed salt of sodium fatty acid methyl ester sulfonic acid and alkanolamine; s2, adding an alkyl polyglucoside aqueous solution into the mixed salt obtained in the step S1 to form mixed micelles; s3, fatty acid ester ethoxylate and a bio-based cosolvent are added into the mixed micelle obtained in the step S2, homogenization treatment is conducted, and homogeneous microemulsion is obtained; and S4, cooling the microemulsion obtained in the step S3, adding a chelating dispersant and water, and uniformly mixing to form the high-alkali-resistance textile degreaser. The textile degreaser prepared through dication modification and micelle recombination has good alkali resistance, excellent low-temperature water solubility and full-bio-based environmental protection characteristics, and is suitable for pretreatment of textiles such as cotton, polyester and the like.

The invention discloses a calcium rebound inhibitor for sprayed concrete as well as a preparation method and application of the calcium rebound inhibitor. The calcium rebound inhibitor is prepared by taking a ternary calcium calcined compound and inorganic coagulant calcium salt as core samples and alkanolamine ester compounds as a shell and adopting a physical coating process. The calcium springback inhibitor for the sprayed concrete can be independently used for the sprayed concrete and can also be jointly used for the sprayed concrete with a mineral admixture or a rheology modification component, a springback material of the sprayed concrete can be fully recycled, springback loss of the sprayed concrete in the spraying process is remarkably reduced under the condition of no negative influence on setting and hardening, and the service life of the sprayed concrete is prolonged. The early volume shrinkage of the sprayed concrete material is reduced, the early deformation of weak surrounding rock is restrained, the preparation process is green and low-carbon, and the performance adaptability is wide.

A hydraulic cement composition is provided. The composition comprises a hydraulic cement and an anti-corrosion agent selected from the group consisting of one or more alkanolamines, one or more derivatives of alkanolamines, and combinations thereof. The composition can be mixed with water to form a carbon dioxide-resistant hydraulic cement slurry. A hydraulic cement slurry and a method of cementing in a carbon dioxide environment are also provided.

The present application aims to provide a lean water composite alkanolamine absorbent for low-concentration CO2 capture, belonging to the technical field of green carbon capture, which is a composite system of mixed alkanolamine-organic physical solvent-water. By regulating the types and proportions of the components, the water content of the system and the solvent regeneration energy consumption are significantly reduced while ensuring high CO2 absorption capacity. The water content of the absorbent is not higher than 20%, and it exhibits good absorption performance under low partial pressure CO2 conditions. The desorption regeneration energy consumption is about 77% lower than that of the same proportion alkanolamine high water content MEA system (MEA:EG:H2O=0.2:0:9.8). In the absorption-desorption cycle process, the absorbent exhibits good cycle stability, and its CO2 absorption performance does not significantly attenuate after multiple cycles. The lean water composite alkanolamine absorbent is suitable for low-concentration CO2 separation application scenarios such as direct air capture.

The present application describes the use of carboxylic acid derivatives based on polyamines and / or polyalkanolamines as additives in aqueous polymer dispersions for the preparation of porous polymer coatings, preferably for the preparation of porous polyurethane coatings.