183 results about "Dimethyl 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.

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.

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 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 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 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.

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.

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.

A detergent composition having a) from about 10% to about 60%, by weight of the composition, of a surfactant system wherein the surfactant system includes: i) at least 35%, by weight of the surfactant system, of nonionic surfactant and ii) from 5% to about 20%, by weight of the surfactant system, of amine oxide.

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.