56 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.

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.

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 invention relates to the technical field of oilfield development, and discloses a composition with an oil displacement function, application of the composition and a thickened oil recovery method. The composition comprises a nano material, a surfactant and a polymer, wherein the surfactant is selected from at least one of fatty alcohol polyether sulfonate, fatty alcohol polyether sulfate, a gemini surfactant containing a sulfonic acid group, a glycoside compound, an alcohol amine compound and an amide compound containing a hydroxyl group; wherein the mass ratio of the nano material to the surfactant is (0.1-2): 1. The aqueous solution of the composition has the characteristics of high viscosity and low interfacial tension in indoor experiments and field application, and can reduce the average water content of high-calcium-magnesium oil reservoirs and improve the crude oil recovery rate, thereby greatly improving the oil quantity and benefits of low-yield and low-efficiency wells.

The present disclosure discloses an alkanolamine multi-tailed lipid, a preparation method therefor, and a use thereof. The structural formulas of the lipid such as compound of Formula I, compound of Formula II or their stereoisomers, their tautomers, or their pharmaceutically acceptable salts:The ionizable lipid compound of the present disclosure maintains nanoparticle stability and delivery efficiency while simplifying LNP composition, offering advantages of high efficacy and low toxicity. Even under neutral conditions, the ionizable lipid compound can still adsorb mRNA through hydrogen bonding and van der Waals interactions. The synthesis method for the diethanolamine multi-tailed ionizable lipid of the present disclosure is straightforward. The ionizable lipid can be prepared on a large scale via a few addition reaction steps, which is convenient for high-throughput material screening.

The present invention relates to a carbon dioxide absorbent. Specifically, in order to complement a short gas / liquid contact time of an RPB device, the carbon dioxide absorbent includes: a first compound and a second compound including two different alkanolamines; and a third compound including a cyclic tertiary amine, in specified contents, thereby maintaining low heat of reaction and improving absorption capacity and absorption rate.

It relates to a cleansing composition, comprising at least one sulfur-containing anionic surfactant, at least one betaine-derive amphoteric surfactant from sultains, at least a-hydroxy acid, at least one β-hydroxy acid; and at least one organic basifying agent selected from alkanolamines.

The present invention provides: an aqueous composition capable of removing a photoresist from a printed wiring board or a semiconductor wafer while preventing corrosion of tin plating and tin alloy plating in addition to a copper wiring; and a method for removing a photoresist using the aqueous composition. The aqueous composition according to the present invention is characterized by comprising an alkanolamine (A), a quaternary ammonium hydroxide (B), a sugar alcohol (C), a polar organic solvent (D), and water (E), wherein, with respect to the total amount of the composition, the content of the alkanolamine (A) is 2.5-50 mass %, the content of the quaternary ammonium hydroxide (B) is 0.5-4 mass %, and the content of the sugar alcohol (C) is 0.5-20 mass %.

The invention discloses an environment-friendly high-performance titanium alloy polishing composition as well as a preparation method and application thereof, and relates to the technical field of metal material surface treatment. According to the environment-friendly high-performance titanium alloy polishing composition, the pH value of a basic system is adjusted to 9.5-10.0 through a pH adjusting agent; the base system comprises the following components in percentage by mass: 10-30% of silica sol, 3-4% of an anti-gel stabilizer (urea or methylurea), 2-3% of a heat transfer improvement and surface defect inhibitor (ethylene glycol or propylene glycol), 0.1-0.2% of a wetting leveling agent, 1-2% of an alcohol amine complexing agent and 0.5-1% of an aminopolycarboxylic acid chelating agent besides water. According to the environment-friendly high-performance titanium alloy polishing composition, on the premise that an oxidizing agent is completely abandoned, perfect balance of high stability, high polishing rate and excellent surface quality is achieved through unique formula design, and the environment-friendly high-performance titanium alloy polishing composition has the advantages of being environmentally friendly and high in safety.

This invention discloses an etching solution composition for inhibiting etching blackening and precipitation, belonging to the field of electronic chemical technology. The etching solution composition, by weight percentage, includes: 10-25% hydrogen peroxide, 3-15% organic acid, 2-10% alkanolamine organic base, 0.01-1.5% resist, 0.1-1% stabilizer, 0.1-3% phenolsulfonic acid, 0.1-3% ethylene oxide polymerized diol, 0.1-3% organic butyl ether, with the balance being deionized water. This invention introduces ethylene oxide polymerized diol and organic butyl ether, forming a synergistic system with alkanolamine organic base and stabilizer. This significantly improves the solubility of the stabilizer and copper ion complex, slows down its aggregation rate, and reduces its adsorption capacity on the substrate surface. Therefore, even at high copper ion concentrations, it can effectively prevent precipitation and substrate blackening, significantly extending the solution life. It is suitable for copper etching processes such as printed circuit boards and lead frames.

An effective stripping solution for positive photoresists contains: · more than 70 weight percent water; · From 5 to 19 weight percent alkanolamine; · From 10 to 24 weight percent glycol ether; and · Optionally, essentially no other solvents.

The present invention relates to a cleaning composition and a cleaning method for a CMP process performed during the manufacturing process of a glass substrate-based Through Glass Via (TGV) structure. The cleaning composition comprises a quaternary ammonium salt, an alkanolamine, a glycol ether, an azole compound, a surfactant, and water. By including tetramethylammonium hydroxide and choline hydroxide as the quaternary ammonium salt in a specific ratio, the cleaning composition effectively removes polishing particles and organic residues remaining after the CMP process even under high alkaline conditions of pH 12 or higher, while suppressing excessive corrosion of the glass substrate and metal wiring, allowing the cleaning solution to penetrate uniformly into the high aspect ratio via, and simultaneously removing residual contaminants and preventing re-adsorption.

This invention relates to the field of corrosion protection, specifically to a water-based anti-corrosion coating, its preparation method, and its application. The water-based anti-corrosion coating of this invention, by weight, comprises: 0.5-3 parts graphene, 5-40 parts matrix resin, 0.01-0.1 parts cobalt-free drying agent, 0.2-0.8 parts polyurethane thickener, 0.1-0.8 parts alkanolamine, 0.1-2 parts organosilicon dispersant, 30-65 parts inorganic filler, and 20-50 parts water. The water-based anti-corrosion coating of this invention has the advantages of rapid drying (<30 min), excellent water resistance, good salt spray corrosion resistance, and high adhesion.

The invention relates to crystalline folate salts. The salt consists of a folate anion and an organic cation. The folate anion is 5-methyl-(6S)-tetrahydrofolic acid, and the cation is an organic compound which is an alkanolamine selected from the group consisting of choline, N-methylaminoethanol, 2-amino-2-methylpropanol and 2-dimethylaminoethanol.

Catalytic processes to manufacture piperazine and 2- methyl piperazine simultaneously through co-feeding a linear alkanolamine, or a diol, or an ethyleneamine with an analog of the alkanolamine, or the diol, or the ethyleneamine in the presence of anhydrous ammonia to produce a reaction mixture comprising the piperazine and the methyl-substituted piperazine are described. The catalyst comprises a 10 membered ring zeolite.

The present invention relates to in-situ bitumen recovery from an oil sand reservoir. Steam at 200℃ to 280℃ is injected into the reservoir with select alkanolamines that (1) have a vapor pressure (Pv) of at least 0.001 mm Hg at 20℃, and (2) have a pKa value of at least 9.0, and (3) have an HLB-Factor of at least 0.5. The steam / alkanolamine blend contains less than 25 parts-per-hundred of capped glycol ethers, based on the weight of alkanolamines.

The present invention relates to a cosmetic composition comprising at least one alkanolamine, at least one compound selected from amino acids and their derivatives, and at least one hydroxide of an alkali metal, an alkaline earth metal, or an ammonium compound. The invention also relates to a method for smoothing / straightening keratin fibers, particularly hair, using the composition of the invention. The invention further relates to the use of the composition for smoothing / straightening keratin fibers, particularly hair.

The use of polyamine- and / or polyalkanolamine-based carboxylic acid derivatives as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.

Catalytic processes to produce on purpose piperazine are described. The processes are based on the use of a 10-member ring zeolite, preferably with MFI topology, with tunned morphology and acidity to promote intermolecular or intramolecular cyclization of alkanolamines, ethyleneamines, or diols to cyclic piperazine. The unavoidable byproducts due to thermodynamics can be tuned to favor piperazine upon recycling. The processes can be used to manufacture piperazine which can be used as solvent for post-combustion CO2 capture.

Methods for treating a subterranean formation. An example method includes introducing a treatment fluid into a wellbore penetrating the subterranean formation. The treatment fluid includes an aqueous base fluid, a cationic or amphoteric friction reducer, and a substituted alkanolamine scale inhibitor. The method further includes contacting scale deposits on a surface in fluid communication with the wellbore and / or subterranean formation with the treatment fluid.

A friction reducing additive formed from a mixture obtainable by a self-catalyzed condensation reaction of a fatty acid with an alkanolamine is described, the mixture comprising an amide, one or more carboxylic acid esters and more than 7 wt% oxazoline relative to the total weight of the mixture, wherein the additive is useful in lubricants and fuels.

The use of a grinding additive during the dry grinding of steel making slag, characterized in that the grinding additive is selected from the group consisting of alkanolamines, glycols, glycerol, sugars, sugar acids, carboxylic acids or their salts, superplasticizers, superabsorbent polymers, or mixtures thereof. Also, ground steelmaking slag including the additives and the use of the ground steel making slag in construction materials.

The present invention can provide a composition for removing a photoresist, which is for forming a copper-containing pattern, after the pattern has been formed, including:an alkaline agent containing at least one selected from the group consisting of an alkanolamine, a quaternary ammonium hydroxide, and an inorganic alkali;an organic solvent having Hansen solubility parameter coordinates that are within an area of a sphere centered on δd=16.0, δp=8.7, δh=15.5 within a radius of 3.60 MPa0.5 or less, andan azole compound.

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.

This invention discloses a template composition for synthesizing high silica-to-alumina ratio ZSM-48 molecular sieves and its application method. The template composition consists of a reactant of an alkanolamine and a dihaloalkane as template A, and alkylammonium bromide as template B. Using this composition, high silica-to-alumina ratio ZSM-48 molecular sieves can be prepared. In the resulting high silica-to-alumina ZSM-48 molecular sieves, aluminum species preferentially accumulate in the near-port region of the one-dimensional channels, thereby precisely constructing efficient and accessible acidic sites. Catalysts prepared using this as a support can effectively improve the hydroisomerization and cracking capabilities of alkanes, and are particularly suitable for catalyzing the hydroisomerization reaction of long-chain alkanes.

The application provides a high-performance selective etching solution for silicon in a silicon germanium / silicon stack, which comprises quaternary ammonium hydroxide, alkanolamine, a SiGe inhibitor and water. The high-performance and high-selectivity etching composition provided by the application can effectively maintain the etching of silicon while preventing the etching of silicon germanium, and the silicon / silicon germanium selectivity is greater than 20; when a furan ring compound and a polyamine compound are used in a certain proportion, the silicon / silicon germanium selectivity is as high as 345.

The present invention relates to in-situ bitumen recovery from an oil sands reservoir. Steam is injected into the reservoir with a mixture of two different alkanolamines and with less than 25 pphw of capped glycol ethers, based on the combined weights of alkanolamines and capped glycol ethers.