109 results about "Dimethyl 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.

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 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.

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 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.

To provide a liquid detergent composition for tableware that allows users to feel favorable tactile sensation on the hands after dishwashing (such as absence of residue, dryness and tightness), and that can achieve both detergency against oily stains and absence of sliminess after dishwashing.SOLUTION: A liquid detergent composition for tableware comprises: a component (A) being an anionic surfactant; a component (B) being an amine oxide-type surfactant and / or amphoteric surfactant; and a component (C) being a nonionic surfactant having a HLB value of 11 or more and represented by the general formula (c1) defined by CH3-CH(CH3)-R1-O-(R2O)n-H (where R1 is a divalent hydrocarbon group having 7 to 17 carbon atoms, R2 is a divalent hydrocarbon group having 1 to 3 carbon atoms, and n is an average repetition number from 8 to 60), where the content of component (A) is 18 mass% or less relative to the total mass of the liquid detergent composition for tableware.SELECTED DRAWING: None

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.

Aqueous hand dish formulation 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 (A) wherein R1=linear C6-15 alkyl; n=1-5; G=glucose; and branched alkyl polysaccharide of formula B (B) wherein R2=C2 alkyl; R3=linear / branched C4 alkyl; g=1-5; S=monosaccharide with 5-6 carbons; with proviso R1=linear C9-15 alkyl in at least some of the 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; 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 +2CH(CH3)2; G3=monosaccharide with 4-6 carbons; z=1.1-4; 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 formulation comprises <0.01wt% anionic surfactant.

Using an amine oxide-type surfactant as a thickener causes a problem of a decrease in the strength of a slurry of a hydraulic composition due to mixing of bubbles. Accordingly, there is the problem that although a silicone-based antifoaming agent is added as described above, a hydrophilic thickener and a hydrophobic antifoaming agent are gradually separated after production, and performance as each of the thickener and the antifoaming agent degrades over time. Therefore, a thickener composition having excellent storage stability that maintains uniformity for a long period of time without separating the thickener and the antifoaming agent is desired.　To solve the problem, provided is a thickener composition comprising: an (A) component which is an amine oxide-type surfactant; and a (B) component which is a fatty acid glyceride.

The invention relates to a foam scrubbing agent and a preparation method thereof, and belongs to the technical field of oil and gas exploitation. The preparation method comprises the following steps: adding hydrogen peroxide into a mixed solution consisting of dodecyl dimethyl tertiary amine, tetradecyl dimethyl tertiary amine, octadecyl dimethyl tertiary amine, acrylic acid and a solvent, and reacting to generate amine oxide, so as to obtain a main agent of the foam scrubbing agent; the mass ratio of dodecyl dimethyl tertiary amine to tetradecyl dimethyl tertiary amine to octadecyl dimethyl tertiary amine to acrylic acid to H2O2 in hydrogen peroxide is (22-35): (15-25): (6-12): (5-10): (6-9); mixing the main agent of the foam scrubbing agent with the sulfamate chain extender for reaction; the mass ratio of the acrylic acid to the sulfamate chain extender in the main agent of the foam scrubbing agent is (0.35-1.1): (3-5). The foam scrubbing agent prepared by the invention can improve the recovery ratio of a gas well with high salinity and high gas condensate content, and solves the problems of water logging, output reduction and the like when the gas well productivity is extremely low in the later period of gas well exploitation.

The present invention provides a polymer nanosphere emulsion, a preparation method, and applications of the emulsion. The polymer nanosphere emulsion contains only four elements: carbon, hydrogen, oxygen, and nitrogen, and the nanospheres have a particle size of 10 to 300 nm. The polymer nanosphere emulsion is prepared by mixing and emulsifying a monomer, an amine oxide emulsifier, an oxidizing agent, a reducing agent, and a pH adjuster at 20 to 60°C, and reacting within the aforementioned temperature range for 1 to 6 hours. The polymer nanosphere emulsion can be used as a pore-forming agent for precious metal catalysts or metal oxide catalytic materials. When used as a pore-forming agent for the aforementioned catalysts, it can effectively avoid adverse effects such as precious metal poisoning and decreased structural stability of the catalyst material.

The invention relates to a reservoir repairing-shaft cleaning integrated agent for a natural gas well and a preparation method thereof.The preparation method comprises the steps that 15-30 parts by weight of alkyl sulfate and 10-20 parts by weight of a stabilizer are added into water with the feeding weight being 1-2 times that of the stabilizer to be evenly stirred, then 5-15 parts by weight of alkyl dimethyl amine oxide is sequentially added, and the mixture is stirred to be uniform; and finally, supplementing water to 100 parts by weight, and uniformly mixing to obtain a liquid medicine which is the reservoir repairing-shaft cleaning integrated agent for the natural gas well. According to the invention, through compounding of the adaptive surfactant and the auxiliary agent, the low emulsification performance of the system is improved by utilizing a synergistic effect, and the problem that a large amount of emulsion is generated during foam drainage of a traditional foam scrubbing agent is solved.

To provide a cavity filler with suppressed bleeding.SOLUTION: A cavity filler includes a thickener containing an amine oxide, a silicone-based antifoamer, a powder containing a hydraulic powder, and water, and has a water / powder mass ratio of 40 mass% or more and 200 mass% or less, a flow value at 20°C of 200 mm or more and 470 mm or less, and an air content of 7.5 volume% or less.SELECTED DRAWING: None

The application relates to the technical field of building materials, in particular to a light high-strength concrete and an assembled cable well prepared by the light high-strength concrete; the light high-strength concrete comprises the following raw materials in parts by weight: 80-100 parts of Portland cement, 35-45 parts of fine sand, 20-40 parts of coal gangue, 10-20 parts of silica fume, 40-55 parts of ceramsite, 10-15 parts of glass beads, 3-5 parts of polypropylene fiber, 4-6 parts of cocoyl diethanolamide, 0.8-1.5 parts of ammonium stearate, 0.6-1 part of dodecyl dimethyl amine oxide, 5-8 parts of a functional reinforcing agent, 2-5 parts of a water reducing agent and 90-120 parts of water; the concrete provided by the application has high flexural strength, excellent impact resistance and good durability, effectively guarantees the quality of the concrete and prolongs the service life of the concrete; in addition, the assembled cable well provided by the application is assembled in a splicing mode, so that the installation process is simplified, the installation efficiency is improved, the weight is lighter, and the transportation cost is lower.

The present invention provides a detergent particle comprising from 30% to 95%, by weight of the detergent particle, of an alkyl sulfate having a branched or linear unalkoxylated alkyl group comprising from 6 to 16 carbon atoms; and from about 2% to about 50% amine oxide by weight of the detergent particle.