20 results about "Sulfuric ester" patented technology

The present invention discloses an antibacterial compound of Formula 1 or pharmaceutically acceptable salt thereof:wherein X is CH, S, CH—NH2;R1 is C1-C8 alkyl, substituted alkyl, alkyl amine, substituted amine; preferably R1 is methyl, ethyl, propyl, butyl, pentyl, isopropyl, isobutyl, methyl amine, ethylamine, propylamine, isopropyl amine, isobutylamine, N-ethylprop-2-yn-1-amine, N-isopropyl propane-1,3-diamine, N1-isopropyl ethane-1,3-diamine, 1-butyl-2-methylguanidine, N1-ethyl-N1-propylethane-1,2-diamine, cyclobutyamine, phosphate, sulphate;R2 is hydrogen, alkyl, substituted alkyl; preferably R2 is methyl, propyl, isopropyl;R3 is hydrogen, alkyl, substituted alkyl; and preferably R3 is methyl, propyl, isopropyl.The Formula 1 or pharmaceutically acceptable salt thereof is an imidazole glycerol phosphate dehydratase (IGPD) inhibitor and treats or prevents or ameliorates tuberculosis.

The present invention provides a cleaning resin composition for cleaning resin compositions that are molded in a relatively low temperature range, and which exhibits good cleaning performance. [Solution] The cleaning resin composition that solves the above problem comprises a thermoplastic resin containing an olefin resin, an inorganic powder containing calcium carbonate with an average particle size of 0.7 μm or more and 6.0 μm or less, as measured by the air permeation method in accordance with JIS M8511:2014, a sulfate ester surfactant, and a hydrogenated petroleum resin. The mass ratio of the thermoplastic resin to the inorganic powder is 50:50 to 10:90, the amount of the sulfate ester surfactant is 0.2% by mass or more and 5.0% by mass or less, and the amount of the hydrogenated petroleum resin is 0.5% by mass or more and 3.0% by mass or less.

The invention discloses a nanofluid oil-displacing agent based on solid carnallite and a preparation method of the nanofluid oil-displacing agent. The method comprises the following steps: by taking oil and gas field wastewater treatment solid carnallite rich in calcium and magnesium ions as a raw material, firstly, preparing the raw material into an aqueous solution, reacting with a betaine surfactant and alkyl sulfate salt in a foam system at a specific temperature, adjusting the pH value by sodium hydroxide and sodium carbonate, standing, centrifuging and drying, thereby obtaining the calcium and magnesium ion-rich solid carnallite. The salt-resistant calcium carbonate / magnesium hydroxide composite nanoparticles are obtained; and then dispersing the nano-particles in a polyacrylic acid polymer aqueous solution, and performing ultrasonic treatment to obtain the target nano-fluid oil-displacing agent. According to the invention, industrial solid carnallite is ingeniously converted into a functional nano material, and the prepared oil-displacing agent has excellent stability and interfacial activity, and can significantly improve the crude oil recovery rate when being used for high-water-content oil reservoirs. The method not only provides a new low-cost and high-performance oil-displacing agent selection for efficient development of an oil field, but also realizes recycling and high-value utilization of the solid waste salt, and has remarkable economic and environmental benefits.

The invention belongs to the technical field of wet-process phosphoric acid purification, and provides a method for efficiently removing arsenic from wet-process phosphoric acid. According to the method, wet-process phosphoric acid is mixed with an arsenic removal agent A and an arsenic removal agent B for reaction, and efficient arsenic removal of wet-process phosphoric acid is completed; the arsenic removal agent A comprises one or more of phosphorus pentasulfide, hydrogen sulfide and sodium sulfide; and the arsenic removal agent B comprises one or more of a sulfate salt anionic surfactant, a sulfonate anionic surfactant and a carboxylate anionic surfactant. The method is simple, environment-friendly and low in production and operation cost, the sulfide and the anionic surfactant are used as the composite arsenic removal agent, the arsenic removal efficiency is improved, the use amount of the arsenic removal agent is greatly reduced, the advantage of arsenic removal of the sulfide is reserved, the defect of rapid decomposition of the sulfide is overcome, escape of H2S is reduced, and the method is suitable for industrial production. The safety is higher, and the application prospect is very wide.

The invention provides a preparation method of mannitol carbonic acid sulfate, belongs to the field of organic synthesis, and can solve the problems of more side reactions, difficulty in purification and inhibition of positive reaction in the reaction process in the existing preparation method of mannitol carbonic acid sulfate. According to the scheme, the method comprises the following steps: dropwise adding a thionyl chloride-ethylene glycol dimethyl ether solution into a D-mannitol-ethylene glycol dimethyl ether solution, and fully reacting to obtain bisulfite mannitol; the preparation method comprises the following steps: dissolving bisulfite mannitol in a dimethyl carbonate solvent, adding 1, 1 '-carbonyldiimidazole at intervals for multiple times, and fully reacting to obtain mannitol carbonylsulfite; the preparation method comprises the following steps: dissolving mannitol carbonate sulfite in a dimethyl carbonate solvent, adding a ruthenium trichloride aqueous solution, dropwise adding a sodium hypochlorite solution into a reaction system, and fully reacting to obtain mannitol carbonate sulfate. The preparation method disclosed by the invention is simple in steps, simple and convenient to operate, capable of improving the yield and reducing the production cost, and suitable for the requirements of large-scale production.

The invention discloses a hydrogen fuel cell, a membrane electrode thereof, catalyst layer slurry and an automobile, and relates to the field of fuel cell preparation. The method comprises the following steps: the slurry comprises cathode catalyst layer slurry and anode catalyst layer slurry; the cathode catalyst layer slurry comprises an anionic surfactant, and the anionic surfactant comprises at least one of a sulfate anionic surfactant and a sulfonate anionic surfactant; the anode catalyst layer slurry comprises a cationic surface active agent, and the cationic surface active agent comprises at least one of a quaternary ammonium salt cationic surface active agent and other nitrogen-containing cationic surface active agents. The surface active agent is added into the catalyst layer slurry of the fuel cell membrane electrode, so that the hydrophobicity can be improved, water is promoted to be diffused from a cathode to an anode through hydrophobicity difference construction, the water flooding phenomenon is further reduced, and the reaction activity of a hydrogen fuel cell is improved.

The present invention relates to a solid surfactant composition that maintains its solidity without becoming a paste even when left for a long time in a high-humidity environment such as a bathroom, and also to a method for producing the same, which has good foaming properties without the surfactant liquefying due to moisture absorption and seeping out from the surface of the solid detergent, and to a method for producing the same. [Solution] A solid surfactant composition containing the following components (A) to (C): (A) component: a sulfonic acid type surfactant or a sulfate ester type surfactant in which at least a portion is an alkali metal salt, (B) component: an alkaline earth metal, (C) component: an aliphatic alcohol having 16 or more carbon atoms.

The invention relates to a method for producing a liquid cleaning agent composition, in particular a concentrated liquid cleaning agent composition, preferably a concentrated liquid hand dishwashing detergent composition, wherein the composition comprises at least a first and at least a second surfactant, comprising the steps a) providing a mixture of (i) water, (ii) optionally a preservative, (iii) optionally a third surfactant from the group of amine oxides, (iv) an organic solvent, (v) a salt, (vi) the first surfactant from the group of betaines and (vii) citric acid; b) stirring the mixture from step a); c) adding the second surfactant from the group of fatty alcohol ether sulfates; d) stirring the mixture from step c); and e) optionally adding (ix) dye and / or (x) perfume and / or (xi) citric acid and / or (xii) enzymes.

Provided are a method for sterilizing bacteria present in a biofilm, said method exhibiting excellent bactericidal activity against bacteria present in a biofilm, and a liquid composition used therefor.　The method for sterilizing bacteria present in a biofilm comprises bringing a liquid composition into contact with the biofilm, the liquid composition containing the following component (a), component (b), and water, and having a mass ratio of the content of component (b) to the content of component (a), i.e., component (b) / component (a), of 1 to 40. Component (a): a quaternary ammonium salt having one long-chain alkyl group represented by general formula (a1) Component (b): a compound having an aliphatic hydrocarbon group with 8 to 18 carbon atoms and having a group selected from a sulfate ester group, a sulfonate group, and salts thereof

Provided is a germicidal and cleaning agent composition that is excellent in achieving both germicidal property and cleaning property when used at a low concentration. 【Solution means】A germicidal and cleaning agent composition containing the following component (a), component (b), and water, wherein the molar ratio (a) / (b) of component (a) to component (b) is 0.05 or more and less than 1, and the concentration of component (a) in the germicidal and cleaning agent composition when diluted with water for use is 1 ppm or more and 100 ppm or less. Component (a): A compound represented by the following general formula (a1) JPEG2026111262000007.jpg2570 (In the general formula (a1), R 1a and R 2a are each independently a linear or branched alkyl group having 8 carbon atoms, and R 3a and R 4a are each independently a linear or branched alkyl group having 1 to 3 carbon atoms, and X - is an anion.) Component (b): An anionic surfactant having one or more selected from a sulfonic acid group, a sulfate ester group, and salts of these substituents

The disclosure relates to compositions having (a) a surfactant system comprising (i) a first anionic surfactant, (ii) at least one second anionic surfactant different from the first anionic surfactant, and (iii) optionally at least one amphoteric surfactant, (b) at least one film forming agent, and (c) at least one humectant, wherein the compositions are free or essentially free of sulfate-based surfactants, as well as to methods of using the compositions. The compositions are cleansing compositions that can be used in methods of cleansing keratin materials, such as hair.

Provided is a cleaning resin composition that is used for cleaning a resin composition to be subjected to molding processing in a relatively low temperature range and that has good cleaning performance. This cleaning resin composition comprises: a thermoplastic resin including an olefin-based resin; an inorganic powder that contains calcium carbonate having a mean particle diameter of 0.7-6.0 µm as measured by an air permeation method in accordance with JIS M8511:2014; a sulfate ester-based surfactant; and a hydrogenated petroleum resin. The mass ratio of the thermoplastic resin and the inorganic powder is 50:50 to 10:90, the amount of the sulfate ester-based surfactant is 0.2-5.0 mass%, and the amount of the hydrogenated petroleum resin is 0.5-3.0 mass%.

The invention relates to a surfactant composition comprising a mixture of fatty alcohol ether sulfates with hydrocarbon chains of different lengths, characterized in that 50% by weight or more of the fatty alcohol ether sulfates contain a hydrocarbon chain derived from saturated or unsaturated fatty acids with 12 carbon atoms. The invention further relates to a process for producing the surfactant composition using litsea seed oil as a starting material.

Provided is a bubble-containing hydraulic composition comprising a hydraulic powder, water, the following (A1) component, the following (A2) component which is optional, and the following (B) component, wherein the mass ratio, (A1) / [(A1)+(A2)], of the content of the (A1) component to the total content of the (A1) component and the (A2) component is 0.6-1. (A1) component, one or more members selected from among alkyl- or alkenylsulfuric acid esters in which the alkyl or alkenyl groups each have 8-10 carbon atoms and among salts of these; (A2) component, one or more members selected from among surfactants which are neither the (A1) component nor the (B) component; (B) component, one or more members selected from among alkyl glyceryl ethers and alkenyl glyceryl ethers.

The present invention relates to a cosmetic composition, notably for cleansing keratin fibres, comprising a combination of non-oxyalkylenated sulfate-based anionic surfactants and conditioning agents chosen from cationic polymers and / or silicones, with water in a particular content. The invention also relates to a cosmetic treatment process, preferably for cleansing and / or washing keratin materials, notably the hair, using said composition.

Disclosed is an aqueous resin emulsion obtainable by multi-stage emulsion polymerization of a plurality of polymerizable unsaturated monomers in the presence of a surfactant, polymerizable unsaturated monomers (a) being polymerized in stages other than the last stage, and polymerizable unsaturated monomers (b) being polymerized in the last stage, wherein the surfactant contains a sulfate salt having an allyl group and a polyoxyethylene group, and the aqueous resin emulsion contains a copolymer of specific polymerizable unsaturated monomers (a) and a copolymer of specific polymerizable unsaturated monomers (b).

The invention relates to a method for determining related substances of sucrose octasulfate triethylamine, which comprises the following steps: step 1, preparing a sensitivity solution; step 2, preparing a system applicability solution; 3, preparing a positioning solution; 4, preparing a linear solution; step 5, preparing a test solution; step 6, determination: taking the sensitivity solution, the system applicability solution, the linear solution, the test solution and the positioning solution, injecting into a high performance liquid chromatograph to obtain a chromatogram, performing linear regression on the logarithm of the concentration of the sucrose octasulfate reference substance solution and the logarithm of the peak area of the corresponding main peak according to the peak area of the chromatogram, and determining the concentration of the sucrose octasulfate reference substance solution. And calculating the contents of sucrose heptasulfate, other single impurities and total impurities in the test solution.

The invention refers to a method of preparing a waterborne acrylic copolymer dispersion from at least one hydrophobic building block by emulsion polymerization. Said method may be a batch or semicontinuous process and comprises the copolymerization of at least one (meth)acrylate monomer and at least one building block (i.e., a monomer or an oligomer) bearing hydrophobic moiety by emulsion polymerization in the presence of a mixture of surfactants comprising at least one ≥ C8 alkyl sulphate and at least one sulfosuccinate. The invention also refers to the waterborne acrylic copolymer dispersion obtained from that process, and their use as a binder, preferably in the manufacture of coatings, adhesives or inks.

This invention provides novel sulfate esters or salts thereof having two or more carbonyl groups, and surfactants. A compound, characterized by having the formula: R 1 -C(=O)-R 2 -C(=O)-R 3 -OSO3X represents this. (In the formula, R) 1 It is a straight-chain or branched alkyl group with 1 or more carbon atoms, or a cyclic alkyl group with 3 or more carbon atoms, wherein the hydrogen atoms bonded to the carbon atoms are not substituted or are substituted by hydroxyl groups or monovalent organic groups containing ester bonds. If it has 2 or more carbon atoms, it may contain a carbonyl group. If it has 3 or more carbon atoms, it may contain monovalent or divalent heterocycles, or it may be rolled into a ring. R 2 and R 3 Independently a single bond or a divalent linker. R 1 R 2 and R 3 The total number of carbon atoms is 6 or more. X is H, a metal atom, or NR. 4 4. Imidazolium with or without substituents, pyridinium with or without substituents, or phosphonium with or without substituents, R 4 It can be an H or an organic group, and can be the same or different. R 1 R 2 and R 3 (In this context, any two elements can bond together to form a ring.)