9 results about "Dodecyldimethylamine oxide" patented technology

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 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 invention relates to the technical field of building materials, in particular to lightweight high-strength concrete and an assembled cable well prepared from the same. The lightweight high-strength concrete is prepared from the following raw materials in parts by weight: 80 to 100 parts of Portland cement, 35 to 45 parts of fine sand, 20 to 40 parts of coal gangue, 10 to 20 parts of silica fume, 40 to 55 parts of ceramsite, 10 to 15 parts of glass beads, 3 to 5 parts of polypropylene fiber, 4 to 6 parts of coco fatty acid diethanol amide, 0.8 to 1.5 parts of ammonium stearate, 0.6 to 1 part of dodecyl dimethyl amine oxide, 5 to 8 parts of function enhancer, 2 to 5 parts of water reducing agent and 90 to 120 parts of water. The concrete provided by the invention is high in breaking strength, excellent in impact resistance and good in durability, and the service life of the concrete is prolonged while the quality of the concrete is effectively guaranteed; in addition, the assembled cable well provided by the invention adopts a splicing type assembly form, so that the mounting process is simplified, the mounting efficiency is improved, and the assembled cable well is lighter in weight and lower in transportation cost.

The present application relates to a kind of anti-shearing foam displacement composition, foam agent and its application.The anti-shearing foam displacement composition of the present application is composed of main agent, thickening agent and stabilizer;The main agent is composed of first zwitterionic surfactant and second ionic surfactant;The first zwitterionic surfactant accounts for 70-80% of the mass of main agent;The thickening agent is used in an amount of 0.2-0.4% of the mass of main agent;The stabilizer is used in an amount of 0.06-0.1% of the mass of main agent;The first zwitterionic surfactant is cocamide propyl betaine;The second ionic surfactant is dodecyl dimethyl amine oxide.The foam agent provided by the present application does not contain fluorocarbon surfactant, but still has the performance advantages of strong foaming power, good stability, large liquid carrying capacity under the conditions of high temperature, high salinity, high condensate oil and methanol content, and strong adaptability, especially suitable for high-temperature deep-well foam drainage gas recovery.

The invention relates to the technical field of fire extinguishing, in particular to a fluoride-free foam concentrated solution, a preparation method thereof and a fire extinguishing agent. The fluoride-free foam concentrated solution comprises the following components in parts by mass: 10-40 parts of a hydrocarbon surfactant, 10-20 parts of a foam stabilizer, 10-20 parts of a cosolvent, 10-20 parts of an antifreeze agent, 5-10 parts of a flame retardant and 5-10 parts of a heat stabilizer. The fluorine-free foam concentrated solution does not contain fluorine surfactants, the foam stabilizer is selected from one or more of dodecyl dimethyl amine oxide, silicon resin polyether emulsion, polyacrylamide and sodium lauroamphoacetate, and the heat stabilizer is glycol ether. According to the fluoride-free foam concentrated solution provided by the invention, a fluoride-containing surfactant is not added while efficient fire extinguishing performance is provided, so that the environmental problem caused by a traditional fluoride-containing foam concentrated solution is effectively solved.

The invention discloses a four-in-one cleaning agent for removing oil, wax, oxidation and rust for a copper heat pipe. The four-in-one cleaning agent comprises the following components in percentage by weight: 20-33% of a surfactant, 5-10% of a natural solvent, 10-15% of a chelating agent, 3-8% of organic acid, 2-5% of a film-forming agent, 0.5-1.5% of a synergist and the balance of deionized water. The dodecyl dimethyl amine oxide is an ampholytic surfactant, the viscosity of a product can be remarkably improved, the liquid cleaning agent is easier to store and transport and suitable for high-viscosity oil stain and heavy oil stain cleaning scenes, the iso-tridecanol polyoxyethylene ether is a non-ionic surfactant, the core functions of efficient cleaning, permeation, emulsification and decontamination are achieved, and the cleaning agent has the advantages of being environmentally friendly and free of pollution. The metal cleaning agent can deeply remove stubborn stains such as oil stains and wax dirt on the metal surface, terpinen-4-ol serving as a natural solvent can quickly dissolve grease, wax and cutting fluid residues and improve the cleaning efficiency, the terpinen-4-ol is compounded with inositol hexaphosphate to permeate an oxide layer to accelerate stripping of verdigris, formation of an anti-rust protective film is facilitated, and the metal cleaning agent has both solubility and environmental friendliness.

The invention is applicable to the field of building materials, and particularly relates to an efficient foam stabilizing enhancer for a foam concrete insulation board and a preparation method, the efficient foam stabilizing enhancer comprises 5% of polyvinyl alcohol a, 0.8-1% of cellulose b, 8-10% of dodecyl dimethyl amine oxide c, 6-8% of enhancer d and 6% of lauryl sodium sulfate e. The cement foaming agent can be easily stirred with cement slurry, less floating is generated, the stirring time is shorter, the stirring is more uniform, the cost performance is high, the using amount is small, the price is low, the cement foaming agent can be directly added, other additives are not needed, the adding amount is small, 0.2-0.4 Kg of the cement foaming agent is added per square meter, and the cement foaming agent is bright in bubble wall, compact, hard, free of powder falling, sharp, crisp and tasty in knocking, stable and suitable for large-scale production. The foam cement foam stabilizer has no negative influence on product strength and coagulation, foam holes are uniform and fine, the product strength can be improved, the strength is increased by 0.5-1 Mpa compared with normal strength, and the strength and the coagulation time are controllable and adjustable along with seasonal changes.

This invention provides an antibacterial air freshener made from Atractylodes lancea volatile oil and its preparation method, belonging to the field of daily consumer goods technology. It comprises the following components by volume fraction: 0.5%~1.5% Atractylodes lancea volatile oil, 1.5%~4.5% main solubilizer, 3%~8% co-solvent, 1%~3% fragrance, 30%~50% anhydrous ethanol, and the balance being water. Preferably, the main solubilizer is a composite solubilizer system composed of dodecyl dimethylamine oxide OB-2 and alkyl glycoside APG10, with a volume ratio of 1~3:1. The antibacterial air freshener made from Atractylodes lancea volatile oil of this invention is clear and transparent in appearance, and exhibits an antibacterial rate of greater than 99.99% against Staphylococcus aureus, Escherichia coli, and Candida albicans.

The invention relates to high-flowability anti-crack concrete for a photovoltaic support foundation structure and a preparation method of the high-flowability anti-crack concrete. A preparation method of high-fluidity anti-crack concrete for a photovoltaic support foundation structure comprises the following steps: (1) adding polyethylene glycol and silicone powder into a NaCl solution, uniformly mixing, adding dodecyl dimethyl amine oxide, vinyl silicone oil and a sodium silicate solution, uniformly mixing, performing ultrasonic treatment, and cooling to obtain modified polymer slurry A; (2) adding sucrose ester and benzoic acid into the modified polymer slurry A, uniformly mixing, carrying out microwave heating, adding a magnetic nanoparticle mother solution, uniformly mixing, and standing at 50-55 DEG C for 10-15 hours to obtain modified polymer slurry B; (3) placing the modified polymer slurry B in a 20-25mT magnetic field environment, stirring for 10-15 minutes at the temperature of 50-60 DEG C and the speed of 50-60r / min, and removing supernatant liquid; (4) adjusting to 50-60mT, continuously stirring, and carrying out vacuum infiltration treatment to obtain a modified polymer; and (5) adding the modified polymer into the concrete, and uniformly mixing. According to the technical scheme, the flowability, crack resistance and other properties of the concrete can be improved.