237 results about "Amine oxide" patented technology

The need for a liquid hand dishwashing detergent composition which provides for effective cleaning, as well as enhanced foaming and viscosity, is met by formulating the composition with an amine oxide amphoteric co-surfactant and mid-chain 1,2-alkanediol.

The need for a liquid hand dishwashing detergent composition comprising mid-chain 1,2-alkanediol, which provides further improved foaming and viscosity is met by formulating the composition with an amine oxide amphoteric co-surfactant.

The invention relates to the technical field of foam drainage agents, and particularly discloses a salt-resistant foam drainage agent for natural gas exploitation and a preparation method of the salt-resistant foam drainage agent. The preparation method of the salt-resistant foam drainage agent for natural gas exploitation comprises the following steps: (1) dissolving modified amine oxide, mixing with silicon dioxide hollow spheres, carrying out reduced pressure treatment for 0.5-1 hour, and standing at normal pressure to obtain a mixture marked as M; and (2) crushing glass fibers, dispersing with chloroform, mixing with No.58 paraffin, treating at 75-80 DEG C for 10-30 minutes, adding a mixed cross-linking agent, stirring for 2-2.5 hours, keeping the temperature at 60-65 DEG C to obtain a film sealing solution, filtering M to take a precipitate, mixing with the film sealing solution, standing for 0.5-1 hour, filtering again to take a precipitate, and cooling to obtain the salt-resistant foam drainage agent for natural gas exploitation. The salt-resistant foam drainage agent for natural gas exploitation has the advantages of good foaming effect and long acting time.

A liquid hand dishwashing detergent composition includes from about 5% to about 50% by weight of the composition of a surfactant system. The surfactant system includes anionic surfactant and amphoteric co-surfactant. The amphoteric co-surfactant is selected from amine oxide surfactant, wherein the amine oxide surfactant has the formula: R1N(R2)(R3)O. R1 is a C8-C18 alkyl, and the R2 and R3 moieties are selected from C1-C3 alkyl groups, C1-3 hydroxyalkyl groups, and mixtures thereof. The composition further includes from about 0.1% to about 10% of a mid-chain 1,2-alkanediol, and the mid-chain alkyl chain of the 1,2-alkanediol includes from 6 to 14 carbon atoms.

The invention belongs to the technical field of shield construction, and particularly relates to a nano-based shield muck improving foaming agent as well as a preparation method and application thereof. Specifically, in the field of shield tunneling foaming agents, nano silicon dioxide is innovatively adopted as a powerful foam stabilizer, the powerful foam stabilizer, hydroxypropyl methyl cellulose, polyvinyl alcohol and coconut oil diethanolamide jointly form a powerful foam stabilizing system, and dodecyl dimethyl amine oxide and sodium alpha-olefin sulfonate serve as auxiliary foaming components to expand environmental adaptability. And the muck improved foam with small volume, strong deformability and good stability is formed. Foam prepared by the foaming agent provided by the invention has the advantages of moderate foaming ratio, long half-life period, fine foam, small volume and the like, that is, the foaming agent can continuously and effectively play a role in improving the muck, and can effectively meet the requirements on the performance of the muck in the whole shield construction process, so that the foaming agent has good practical application value.

The invention provides a bionic zwitterionic polymer which comprises a porous polymer base membrane, the surface of the porous polymer base membrane is loaded with polydopamine and a bionic zwitterionic polymer. According to the bionic zwitterionic polymer modified membrane disclosed by the invention, a dopamine monomer and a zwitterionic polymer containing dopamine and amine oxide structural units are utilized to carry out hydrophilic modification on a substrate; wherein the amine oxide zwitterions can form a hydration layer on the surface of the film through hydrogen bonds and electrostatic interaction to serve as a barrier, so that oil molecules are not easily adsorbed on the surface of the film, and the super-hydrophilic and underwater super-oil-transportation net film is prepared; in addition, zwitter-ions are firmly fixed on the surface of a substrate due to super-strong adhesiveness generated by oxidative auto-polymerization of catechol groups in the polydopamine particles and the zwitter-ion copolymer, and the coating prepared by co-deposition is more stable than a coating prepared by single dopamine, has good chemical stability, structural stability and recyclability, and can be applied to the field of chemical engineering. And the service life is longer.

The disclosure relates to compositions, including ready-to-use spray or wipe compositions, that are non-toxic, non-corrosive, biodegradable acidic antimicrobial compositions that exhibit broad-spectrum antimicrobial efficacy, wherein the compositions comprise an amine oxide, such as an alkyl amine oxide, in combination with an acidulant. Beneficially, the acidic antimicrobial compositions are capable of achieving at least a 3-log microbial reduction within 5 minutes under relatively mild pH conditions. The compositions provide cleaning and sanitizing.

The invention belongs to the technical field of PTFE sealing gaskets, and particularly relates to a PTFE sealing gasket and a preparation method thereof. The PTFE sealing gasket disclosed by the invention is prepared from the following raw materials: polytetrafluoroethylene, hexafluorobisphenol A type polyaryletherketone, methyl phenyl organic silicon resin emulsion, polybenzothiazole fibers, polyisophthaloyl metaphenylene diamine fibers and dodecyl dimethyl amine oxide modified graphene oxide. According to the PTFE sealing gasket disclosed by the invention, the hexafluorobisphenol A type polyaryletherketone and the methyl phenyl organic silicon resin emulsion are added into the polytetrafluoroethylene, so that the mechanical property and the high temperature resistance of the prepared PTFE sealing gasket are ensured. The polybenzothiazole fiber, the polyisophthaloyl metaphenylene diamine fiber and the dodecyl dimethyl amine oxide modified graphene oxide are added into the PTFE sealing gasket and have a synergistic effect, so that the corrosion resistance, the rebound resilience and the sealing performance of the prepared PTFE sealing gasket are improved.

An aqueous acidic hard surface cleaning liquid composition containing amine oxide surfactant, citric acid and formic acid.

A firefighting foam concentrate that is free or substantially free of fluorosurfactants is disclosed. The firefighting foam concentrate comprises water and from 25% to 38% by weight of a surfactant blend comprising at least one selected cationic quaternary ammonium compound, at least one selected alkyl amine oxide nonionic surfactant, and at least one selected alkyl sulfate anionic surfactant. Each selected surfactant has an average alkyl or alkylene carbon chain length of 8-10 carbon atoms. The firefighting foam concentrate may be combined with other firefighting foam components to form a firefighting foam composition. Also disclosed is a method of fighting a fire comprising aerating the firefighting foam composition containing the surfactant blend to form a firefighting foam that is applied to a fire or the surface of a volatile flammable liquid.

The invention belongs to the technical field of natural gas extraction, and particularly relates to an oil-resistant anti-freezing corrosion-inhibition foaming agent for a gas well as well as a preparation method and application of the oil-resistant anti-freezing corrosion-inhibition foaming agent. The oil-resistant anti-freezing corrosion inhibition type foaming agent for the gas well is prepared from the following components in parts by mass: 40 to 70 parts of sodium alpha-olefin sulfonate, 10 to 20 parts of cocamidopropyl dimethylamine oxide, 1 to 10 parts of modified nanoparticles, 20 to 40 parts of betaine zwitterionic surfactant, 5 to 15 parts of corrosion inhibitor, 1 to 15 parts of polyvinyl pyrrolidone and the balance of water. After the foaming agent is aged at the low temperature of-30 DEG C, the liquid carrying rate of the foaming agent can be up to 83.8% in the range that the condensate oil content is 10%-50%, the degree of mineralization resistance is up to 2 * 10 mg / L, and the corrosion inhibition rate in a composite sample solution containing 20 wt% of condensate oil, 20 wt% of methanol and saturated CO2 can be up to 75% or above; the requirements of extreme composite working conditions of high salinity, gas condensate pollution and acid gas corrosion in the middle and later periods of gas well development can be met, and the dual effects of drainage gas recovery and underground protection are achieved.

The invention discloses a preparation method of pazopanib hydrochloride, and belongs to the technical field of pharmaceutical chemistry synthesis. Comprising the following steps: (1) reacting a compound II with a compound III under the action of alkali to obtain a compound IV; (2) carrying out fixed bed oxidation amination reaction on the compound V to obtain a compound VI; and (3) reacting the compound IV with a compound VI to obtain pazopanib hydrochloride (compound I). The method has the advantages of easily available raw materials, mild reaction conditions and low production cost, can reduce the risk of production operation, and is suitable for industrial production. # imgabs0 #

The invention discloses a two-phase carbon dioxide absorbent based on ionic liquid and application of the two-phase carbon dioxide absorbent. The two-phase carbon dioxide absorbent based on the ionic liquid is prepared from 9 to 21 parts of tetramethyl ammonium hydroxide glutamate, 14 to 21 parts of diethylenetriamine, 50 to 65 parts of N, N-dimethylethanolamine and 9 to 11 parts of water. According to the absorbent, the CO2 loading capacity is improved through the synergistic effect of an alkaline site of the ionic liquid and amine in the absorption stage, and an acid site of the ionic liquid serves as a built-in proton donor in the regeneration stage to promote decomposition of an absorption product, so that high absorption capacity and low regeneration energy consumption are synergistically achieved. The absorbent is high in COO absorption capacity, low in regeneration energy consumption, low in regeneration temperature and good in cycling stability, and an innovative solution is provided for solving the high-energy-consumption bottleneck of a traditional amine method carbon capture technology.

A method for preventing stratal water from breaking into bottom holes of gas, gas-condensate, or gas-hydrate wells includes performing an injection of a shielding agent into a bottomhole formation zone, for which an emulsion-suspension system (ESS) is used. The ESS system includes: 5-12 vol % of diesel fuel, 2-3 vol % of emulsifier, and 1.0-1.5 vol % of colloidal nano-particles of silicon dioxide, with the remainder being an aqueous solution of calcium chloride or potassium chloride. The emulsifier used is a composition comprising: 40-42 vol % of esters of linoleic or oleic acids and resin acids, 0.7-1 vol % of amine oxide, 0.5-1 vol % of lime-in-diesel fuel suspension or bentonite-in-diesel fuel suspension, with the remainder being diesel fuel.

The invention discloses an anti-hair loss shampoo containing a Hainan pomelo seed extract, which contains the Hainan pomelo seed extract and pharmaceutically acceptable auxiliary materials, and does not contain silicone oil, the Hainan mountain pomelo seed extract is a Hainan camellia seed extract, and the weight ratio range of the Hainan mountain pomelo seed extract to the auxiliary materials including the sodium cocoyl methyl taurate, the alkyl amine oxide and the acyl propyl betaine has a definite proportion requirement. In addition, the weight percentage range of the shampoo is also specified in detail, so that the effectiveness and safety of the shampoo are ensured. The preparation method relates to the processes of dissolving, mixing, stirring and the like, and the auxiliary materials comprise but are not limited to coconut oil fatty acid monoethanolamide, locust bean gum, polyquaternium 10, salicylic acid, nicotinamide and sodium hyaluronate. The preparation process comprises the technical means of ultrasonic dissolution or homogeneous stirrer pressurized dissolution so as to ensure uniform mixing and dissolution of the components. According to the shampoo disclosed by the invention, a natural and effective anti-hair loss shampoo product is provided while the use safety is ensured by virtue of the unique effect of the Hainan grapefruit seed extract.

The invention relates to the technical field of battery diaphragms, and provides a ceramic slurry for improving the wavy edge of a diaphragm, the ceramic slurry comprises the following components by weight: 30-40 parts of alumina, 45-55 parts of water, 3-4 parts of an adhesive, 0.3-0.5 part of a dispersant, 3.5-4.5 parts of an organic solvent, 6-8 parts of a thickener, and 0.01-0.15 part of a wetting agent; the wetting agent comprises alkyl polyglucoside and coco-dihydroxyethyl amine oxide in a mass ratio of (1: 9)-(9: 1). According to the technical scheme, the problems that in the prior art, the wavy edge proportion of the coating diaphragm is large, and the yield is low are solved.

A laundry detergent composition can include a nonionic surfactant, an amine oxide, and a quaternary ammonium salt biocide, where the composition is micellar.

A liquid cleaning composition including: at least 80 wt. % liquid solvent; a cationic quaternary amine biocide; and a non-cationic, amine oxide moisturizing agent.

A process for making a substantially nitrosamine-free, substantially peroxide-free, substantially colorless amine oxide solution comprises reacting a tertiary amine capable of forming an amine oxide with a less than stoichiometric amount of aqueous hydrogen peroxide in an aqueous medium while imposing on the aqueous medium a vapor space having a carbon dioxide partial pressure p(CO2) of less than 0.75 bar absolute. The process allows for obtaining amine oxides which are substantially nitrosamine-free, substantially peroxide-free, and substantially colorless. This unique combination of desirable features has not been achieved so far in a process only comprising oxidation and distillation.

The present invention is entitled "Laundry detergent composition comprising a dye fixing agent and an amine oxide". The present invention provides a laundry detergent composition comprising a dye fixing agent and an amine oxide. The laundry detergent composition characterized by the combination of a dye fixing agent and an amine oxide can improve the color protection of colored fabrics.

The present invention relates to an aqueous foaming cleaning composition for removing soils at low temperature from surfaces to be cleaned, characterized in that the aqueous foaming cleaning composition comprises: linear and / or branched C 12 alkyl dimethyl amine oxide or C 12 alkyl diethyl amine oxide or C 12 alkyl methyl ethyl amine oxide; at least one anionic surfactant of the following: dodecyl (oxyethylene) 14 alkyl dimethyl amine oxide or C 14 alkyl diethyl amine oxide or C 14 alkyl methyl ethyl amine oxide; at least one anionic surfactant of the following: dodecyl (oxyethylene) w sulfate, wherein w represents the average number of addition moles ranging from about 1 to 10, and / or at least one polyoxyalkylene alkyl ether carboxylic acid or salt thereof represented by formula (I): RO-(AO) n‑1 -A'-COO m M(I) wherein R represents a linear and / or branched alkyl group having from about 8 to 18 carbon atoms; AO represents an alkyleneoxy group having from about 2 to 4 carbon atoms; n represents the average number of addition moles ranging from about 1 to 20; A' represents an alkylene group having from about 1 to 3 carbon atoms; M represents H or a cation; and m represents a number equal to the valence of M; - a basic source; and - water.

The invention belongs to the technical field of organic synthesis, and particularly relates to a synthetic method of a methionine NH-thioimine derivative and a polypeptide compound thereof. According to the invention, methionine ester or polypeptide molecules containing methionine ester are used as raw materials, and the methionine NH-thioimine derivative stably existing in an inner salt form or a polypeptide compound containing a methionine NH-thioimine structure is obtained through oxidative amination and one-time removal of a trifluoroacetyl protecting group and ester, so as to solve the problem of S, S-dimethyl sulfoxide. The method solves the problem that methionine thioimine cannot be widely applied due to instability of an S, S '-dialkyl thioimine structure in the prior art, realizes stable preparation of an unstable thioimine structure, is simple to operate, mild in condition and good in functional group compatibility, is suitable for preparation of various polypeptide molecules containing methionine NH-thioimine, and has wide application prospects. And a key technical support is provided for construction of a pharmacophore library containing methionine NH-thioimine.

The invention belongs to the technical field of demulsifier preparation, and particularly relates to a demulsifier for an offshore oilfield and a preparation method of the demulsifier. According to the demulsifying agent for the offshore oilfield, modified polysiloxane is used as a main demulsifying agent, tallow alkyl bis (hydroxyethyl) amine oxide and tetradecyl tributyl phosphonium bis (trifluoromethanesulfonyl) imine salt are used as auxiliary demulsifying agents, methyl-1-oleamidoethyl-2-oleyl imidazoline methyl ammonium sulfate is used as a corrosion inhibitor, ethylene bis stearamide is used as a defoaming agent, and the demulsifying agent is prepared through a one-step method. The cosolvent is a dissolution dispersion medium, the triethanolamine is a pH regulator and a corrosion inhibition synergist, and the deionized water is a continuous phase carrier; all the raw materials have a synergistic effect, so that the prepared demulsifier for the offshore oilfield has excellent dehydration and demulsification performance.

The invention belongs to the technical field of ultrasonic imaging agents, and particularly relates to an ultrasonic contrast agent with low side effects, a preparation method and application. The ultrasonic contrast agent with low side effect provided by the invention is prepared from perfluorooctane, phospholipid, cholesterol, 0 cocamidopropyl amine oxide and dithiothreitol. Experimental data show that after being injected with the ultrasonic contrast agent, rats do not die and basically do not have toxic or side effect symptoms, after anatomy, visceral organs do not have obvious pathological changes, and the acute toxicity of the ultrasonic contrast agent is low.

Salt buildup removal or salt buildup preventing compositions and methods of removing or preventing salt buildup on a surface comprising at least one of a alkyl glucoside or a modified alkyl polyglucoside (APG); an APG carboxylate; an amine oxide group or propylene oxide compound; and a solvent.

The invention relates to the technical field of preservatives, in particular to an isothiazolinone antiseptic decontamination compound and a preparation method of the isothiazolinone antiseptic decontamination compound. The invention relates to a corrosion and scale inhibitor, which is prepared from the following raw materials in percentage by weight: 0.1 to 0.4 percent of isothiazolinone preservatives, 0.06 to 0.15 percent of benzene hydroxyl preservatives, 1 to 2 percent of fatty alcohol-polyoxyethylene ether-9, 0.1 to 0.2 percent of dodecyl dimethyl amine oxide, 0.005 to 0.05 percent of chelating agents, 0.3 to 2 percent of solvents and 95.2 to 98.44 percent of EDI pure water. The sum of the weight percentages of the raw materials is 100%. According to the present invention, the benzene hydroxyl preservative is added as the stabilizer and the synergistic agent, such that the problems of easy degradation, obvious yellowing and weak single corrosion resistance of the isothiazolinone preservative at the high temperature are solved, and the decontamination ability of the product is ensured. The isothiazolinone anti-corrosion decontamination compound disclosed by the invention has excellent anti-corrosion performance and high-temperature stability, and is suitable for being used as an anti-corrosion agent in daily chemical products.

The invention relates to a preparation method of a recoverable deep-eutectic solvent adhesive with a wide temperature range, which comprises the following steps: synthesizing bola type amine oxide with different carbon chain lengths, and successfully preparing the recoverable deep-eutectic solvent adhesive with the wide temperature range by taking the bola type amine oxide as a hydrogen bond acceptor and citric acid as a hydrogen bond donor. The eutecticevaporate solvent adhesive prepared by the preparation method disclosed by the invention shows excellent comprehensive performance in engineering application. Aiming at various substrates such as glass, metal, plastic and the like, the material shows more excellent bonding capacity, and the problem that a traditional adhesive is not uniform in adhesive force among different materials is effectively solved. And a glued product is ensured to be stable in structure, the visual attractiveness can be kept, and the requirement of modern precision manufacturing on the appearance of a finished product is perfectly met.

This invention discloses a cobalt zeolite catalyst, its preparation method, and its application in the oxidation reactions of benzylamine, alcohols, and anisole sulfides, specifically relating to alcohol oxidation, amine oxidative coupling, and sulfide oxidation reactions. This invention further expands the application scope of cobalt zeolite catalysts, clarifying their suitability for the oxidation reactions of alcohols, amines, and sulfides. The catalyst is prepared via in-situ hydrothermal synthesis, and its catalytic performance can be optimized by precisely controlling pore size, cobalt species dispersion, and their existing forms. Under oxygen or air atmospheres, this catalyst can efficiently achieve highly selective oxidation of benzyl alcohols, while simultaneously promoting the oxidative coupling reactions of benzylamines and the selective oxidation reactions of sulfides. The cobalt zeolite catalyst provided by this invention has clearly defined application scenarios, mild reaction conditions, and demonstrates significant industrial application potential, providing important theoretical reference and practical direction for catalyst development in the field of green organic synthesis.

To provide an effective composition with short, adequate and reasonable contact times for a healthcare environment. [Solution] A composition comprising at least one quaternary ammonium compound, at least one alcohol ethoxylate, at least one chelating agent, and at least one amine oxide, wherein the at least one quaternary ammonium compound comprises at least one polyquaternium compound.