121 results about "Amine oxide" patented technology

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 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.

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

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 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.

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.

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 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 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.

The present invention relates to an alkaline chemical mechanical polishing solution for a tantalum barrier layer of a through-silicon via. The composition of the polishing solution includes nano-silica, a complexing agent for tantalum, histidine, lauryldihydroxyethylamine oxide, hydrogen peroxide, and deionized water; the pH value of the polishing solution is 8-10; among them, the mass percentage ratios of each component in the polishing solution are: 3-6% of nano-silica, 0.01-1% of a complex of histidine and lauryldihydroxyethylamine oxide, 0.5-1% of hydrogen peroxide, 1-3% of a complexing agent for tantalum; the mass ratio is histidine: lauryldihydroxyethylamine oxide = 5:1 to 10:1. The present invention can effectively reduce the surface tension of the wafer, eliminate the organic contamination of the wafer, and is environmentally friendly and green, and simplifies the preparation process of the polishing solution.

An aqueous skin-compatible antimicrobial solution effective against yeasts and mycobacteria, comprises 2-3.8 wt % of at least one peroxygen; from 1.5 up to 7 wt % of at least one aromatic monohydroxy alcohol selected from phenoxyethanol, phenethyl alcohol, cyclopentylmethanol, cyclohexylmethanol, benzyl alcohol, or any mixture thereof; from 0.5 up to 5 wt % of at least one high foaming amine oxide amphoteric surfactant; from 2 up to 10 wt % of at least one polyol-based skin conditioning agent; an effective amount of at least one pH adjusting agent for adjusting the solution pH to 2-3. The solution has a redox potential value from 220 to 280 mV, is readily biodegradable, and is free of aromatic carboxylic acids, inorganic salts, quaternary ammonium compounds, volatile aliphatic monohydroxy alcohols, other volatile organic compounds, halogen containing compounds, and other antimicrobial agents.

The invention provides a preparation method of anti-cracking asphalt, and belongs to the technical field of compositions of asphalt materials, and the anti-cracking asphalt is prepared from the following raw materials in parts by weight: matrix asphalt, composite fibers, lauryl dimethyl amine oxide, carboxymethyl cellulose ether, UV-326 and water in a mass ratio of (90-110): (0.8-1.2): (0.24-0.36): (0.7-0.9): (0.45-0.55): (25-35). The anti-cracking asphalt disclosed by the invention is excellent in performance, the dynamic stability of a track test is 9493-9634 times / min, the low-temperature bending failure strain is 3200-3315 mu epsilon, the Marshall residual stability in water is 96.4-96.8%, the freeze-thaw splitting strength ratio is 94.9-95.8%, and the fatigue life is 2.4 * 10 < 6 >-2.6 * 10 < 6 > times.

Herbicidal compositions comprising high load aminophosphate or aminophosphonate salts, in particular high load glyphosate salts, wherein the compositions comprises a surfactant mixture of at least an C 6-C 22 amine oxide and a tertiary amine surfactants. The compositions have good low temperature stability (i.e., no crystal formulation or phase separation) among other beneficial properties. (No accompanying figure)

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 relates to the field of bath salt balls, and discloses a damp-proof bath salt ball and a preparation method thereof. The moisture-proof bath salt ball is prepared from the following raw materials in parts by weight: 40-60 parts of sodium bicarbonate; 10 to 20 parts of anhydrous sodium sulphate; 28 to 35 parts of citric acid; 30-40 parts of a moisture-proof agent; 1-3 parts of a surfactant; 1-3 parts of a humectant; 0.2 to 0.5 part of essence; 0.05 to 0.25 part of toner; the moisture-proof agent is prepared from soluble starch, bentonite, titanium dioxide and a composite tackifier; the composite tackifier is prepared from dodecyl dimethyl amine oxide, chitosan quaternary ammonium salt and polyquaternium-7. The preparation process comprises the following steps: step-by-step dispersion and sieving, and finally kneading, dispersing and profiling. The prepared bath salt ball is not easy to deliquesce in a long-term storage process, easy to dissolve in use and good in foam stability.

The invention discloses a mud spot cleaning composition containing sodium octyl sulfonate and a preparation method of the mud spot cleaning composition. The composition comprises the following components in percentage by mass: protease, lipase, sodium dodecyl benzene sulfonate, sodium octyl sulfonate, cocamidopropyl betaine, tetradecyl dimethyl amine oxide, sodium polyacrylate, tetrasodium glutamate diacetate and deionized water. Through the synergistic decomposition effect of protease and lipase and in combination with the strong decontamination ability of the anionic surfactant, organic stains and inorganic particles in the mud spots are efficiently removed, and through sodium polyacrylate, dirt is prevented from being redeposited, and hardening of the washed fabric is reduced. The preparation method comprises the steps of heating and dissolving, compounding and stirring, adding an enzyme preparation at low temperature, adjusting pH and the like, and the prepared composition has the characteristics of strong detergency, mild clothing protection, hardening resistance and good environmental protection performance, and is suitable for cleaning mud spots of various fabrics.

Concentrated controlled foaming detergent compositions for cleaning are provided. Concentrated liquid compositions including at least 40% active surfactants in the liquid composition made up of an amine oxide surfactant, an anionic sulfonate surfactant, and an alkoxylated nonionic surfactant in a concentrate that has less than about 1 ppm 1,4-dioxane are provided. Methods of using the concentrated foam-controlled compositions for dishwashing are also provided.

The present invention relates to a solution for resisting destruction of living plants and a related method. A solution including a buffered amine oxide admixed with at least one material selected from the group consisting of insecticides and fungicides is applied to the living plant and provides a synergistically effective greater resistance to living plant deterioration than any of the individual buffered amine oxide, insecticides and fungicides achieve. A related method is disclosed.

The invention relates to the technical field of lithium ion battery electrolyte, and discloses ion polarization enhanced local high-concentration electrolyte and application thereof in a lithium ion battery. The electrolyte contains a lithium salt, a solvent, a diluent and a polarization enhancing component, the polarization enhancing component is neutral molecules, and the molecular polarizability is greater than or equal to 15; the polarization enhancing component is selected from at least one of an aromatic sulfone compound, a conjugated amine oxide, a silyl-containing ether compound and an aromatic amide compound; and in the electrolyte, the concentration of the polarization enhancing component is 0.05 to 2 weight percent. The electrolyte provided by the invention has higher conductivity and lithium ion transference number, the capacity retention ratio of the prepared lithium ion battery is higher, and the high-voltage adaptability is obviously enhanced.

Aqueous hand dish composition is provided, comprising: aqueous vehicle; amine oxide surfactant; and mixture of alkyl polyglycosides comprising: linear alkyl polyglucoside of formula A R1-O-(G) n H wherein R1=linear C6-15 alkyl; n=1-5; G=glucose; and branched alkyl polysaccharide of formula B (B) wherein R2=linear / branched C3-7 alkyl; R3=linear / branched C5-9 alkyl; g=1-5; S=monosaccharide with 5-6 carbons; with proviso R1=linear C9-15 alkyl in at least some linear alkyl polyglucoside of formula A; with proviso mixture of alkyl polyglycosides comprises <15wt% compound of formula I (I) wherein R4=linear / branched C3-4 alkyl; R5=linear / branched C5-6 alkyl; G1=monosaccharide with 4-6 carbons and x=1.1-4; with proviso mixture of alkyl polyglycosides comprises 0-35wt% compound of formula III (III) wherein R6=-(CH2) m CH(CH3)2; R7=-(CH2) m+2 CH(CH3)2; G3=monosaccharide with 4-6 carbons; z=1.1-4 and m=0-3; with proviso mixture of alkyl polyglycosides comprises <3wt% compound of formula IV (IV) wherein R12=-(CH2)pCH3; R13=-(CH2) p +1CH(CH3)2; G6=monosaccharide with 4-6 carbons; p=1-4; f=1.1-10; and with proviso aqueous hand dish composition comprises <0.01wt% of anionic surfactant.

The present invention discloses a low-density foaming agent for drainage and production increase in low-pressure and low-yield wells, comprising the following components in weight percentage: 15% to 20% hexadecyl or octadecyl dimethylamine oxide, 7% to 12% oleamidopropylamine oxide, 7% to 12% hexadecyl or octadecyl dihydroxyethylamine oxide, 2% to 5% sodium α-olefin sulfonate, and 47% to 74% water. Preparation method: First, sodium α-olefin sulfonate is added to water, the temperature is raised to 70-90°C, and the temperature is kept constant and stirred for 2 to 3 hours until the sodium α-olefin sulfonate is completely dissolved to obtain a transparent solution; then, alkyl dihydroxyethylamine oxide is slowly added to the transparent solution until the paste is completely dissolved and the stirring is continued for 30 minutes; then, oleamidopropylamine oxide is slowly added and the stirring is continued for 1 hour, and finally, alkyl dimethylamine oxide is added and the stirring is continued for 1 to 2 hours to obtain the foaming agent. The foaming agent of the present invention only requires extremely low energy to lift the fluid in low-yield and low-pressure wells, thereby achieving drainage, production increase, and production restoration effects.

The invention discloses a gas well foam scrubbing agent as well as preparation and application thereof, and relates to the technical field of gas well foam scrubbing agents, the gas well foam scrubbing agent comprises 10%-20% of sodium alpha-olefin sulfonate, 5%-10% of lauramide propyl amine oxide, 0.3%-0.6% of hydroxypropyl guar gum, 5%-10% of block polyether, 3%-6% of ethoxylated sulfonate, 0.5%-2% of hydrophobic nano silicon dioxide, 3%-8% of a microencapsulation foaming agent, 1%-3% of citric acid, 0.5%-1% of benzotriazole and the balance of deionized water; by compounding foaming, foam stabilizing and anti-interference functional components and introducing a microencapsulated foaming agent and hydrophobic nano silicon dioxide, the adaptability and efficiency of the foam scrubbing agent under complex working conditions are remarkably improved, active ingredients can be controllably released by utilizing a temperature-sensitive microcapsule in a high-temperature environment, and the foam scrubbing agent has a good foam scrubbing effect. Block polyether and nano silicon dioxide are combined to form a stable barrier on a gas-liquid interface, so that the damage of condensate oil is effectively resisted, and meanwhile, ethoxylated sulfonate and citric acid cooperate to maintain the stability of the surfactant under high salinity.

The application provides a foaming agent, a preparation method and application of the foaming agent in a natural gas well liquid discharge gas recovery process. The foaming agent comprises the following components in mass fraction: 2wt%-20wt% of a surfactant, 1wt%-20wt% of an amine oxide, 13wt%-30wt% of a carbonyl functional group-containing amine oxide, and the rest is water. The preparation method comprises the following steps: adding water into a reaction kettle, then adding the surfactant and stirring until the surfactant is completely dissolved, and then adding the amine oxide and the carbonyl functional group-containing amine oxide in sequence and stirring until the foaming agent is obtained. The foaming agent provided by the application is helpful to the formation of bubbles. In the condition of a concentration of 0.5wt%, the foam volume is sufficient, the liquid separation half-life period can well meet the standard requirement, and the foaming agent has good salt resistance. Through the introduction of the carbonyl functional group, the problem of uneven liquid film stress caused by condensate oil in the water film can be overcome, so that the foaming agent has strong oil resistance.

A hydrocarbon treatment system includes a vessel containing a hydrocarbon with sulfur contaminants comprising at least 1000 ppm hydrogen sulfide. In addition, the hydrocarbon treatment system includes a C2-C10 amine oxide present in the hydrocarbon within the vessel. The hydrocarbon treatment system also includes a recirculation stream comprising the hydrocarbon and the C2-C10 amine oxide. The recirculation stream recirculates between about one volume to about ten volumes of the hydrocarbon. Further, the hydrocarbon treatment system includes elemental sulfur formed from reaction between the C2-C10 amine oxide and the hydrogen sulfide and present in the vessel. Moreover, the hydrocarbon treatment system includes a separated stream comprising treated hydrocarbon removed from the vessel with the elemental sulfur separated therefrom.