2523 results about "Dodecylsulfonic acid" patented technology

Water soluble nonionic friction reducers and added to coacervate gels having excellent shear viscosities and other properties. A preferred gel comprises poly diallyl dimethyl ammonium chloride, a lesser amount of sodium lauryl sulfonate, and lauryl alcohol. Excellent friction reducing properties are manifested; a particularly practical use for the compositions is in subterranean formation fracturing.

The invention relates to a preparation method and an application of a selenium-enriched foliar fertilizer. The preparation method comprises the steps as follows: the selenium-enriched foliar fertilizer is prepared by sodium selenate, sodium selenite, fulvic acid, urea, compound sodium nitrophenolate, SDS (sodium dodecyl sulfate) and the balance water; and the sodium selenate and the sodium selenite are taken as donors of selenium, the fulvic acid is taken as a chelating agent, the compound sodium nitrophenolate is taken as a plant growth regulator, and the fertilizer is compounded by adding the plant growth regulator compound sodium nitrophenolate and the urea and the SDS. The selenium-enriched foliar fertilizer is mainly used for crops such as wheat, corn, tomatoes, muskmelons, sugar beet, red dates, walnuts, apples, bergamot pears and the like, and can provide the selenium element for the crops and improve the selenium contents in the crops. The selenium contents of the crops are improved by 128.6-275.0% while compared with those of crops without using the selenium-enriched foliar fertilizer.

The present invention relates to a water epoxy adhesive dry film lubricant with low-volatile organic compound. Its formula is composed of (by weight portion) 100 portions of epoxy resin, 20-50 portions of solidifying agent, 30-80 portions of one of teflon, molybdenum disulfide and graphite or several kinds of them, 10-40 portions of one of chrome oxide, copper oxide or aluminium oxide, 2-10 portions of attapulgite, 0-30 portions of melamine urea complex, 2-5 portions of sodium dodecanesulfonate, 1-4 portions of sodium nitrate and 100-400 portions of diluting agent (water or water/ethyl alcohol). As compared with existent technology said lubricant can be solidified, and has the characteristics of low pollution and long life, etc. can be used as lubricant wear-resistant coating layer of various slide frictioning components

The invention belongs to the technical field of conducting adhesive preparation and particularly relates to a preparation method of a graphene filling isotropic high-performance conducting adhesive. Graphene prepared in a ball-milling mode is adopted as a conducting filler, surface active agents including sodium dodecyl sulfate or silane coupling agent KH550 and the like are adopted to process the graphene to enable the dispersion degree of the graphene in the conducting adhesive to be increased, and the prepared high-performance conducting adhesive can be widely applied to the electronic packaging industry and has extremely remarkable effects.

A highly efficient inactivating detergent for ferrous sulfide is disclosed, which is characterized by that it comprises 0.1-10% of chlorine dioxide, 0.1-10% of surfactant, 0.1-5% of citric acid, 0.1-5% of EDTA, 0.1-5% of corrosion inhibitor and water. The surfactant is one or more from dodecyl sulphonate, dodecyl benzene sulfonate, condensate of alkyl phenol and epoxyethane and condensate of aliphatic alcohol and epoxyethane. The corrosion inhibitor is urotropine, dibutyl thiourea or alkyl pyridine. Using the inventive inactivating detergent in cleaning petroleum refining apparatus, ferrous can be thoroughly oxygenized, inactivated and sulfated on one aspect, to prevent occurrence of self-ignition accident, oil crust can be totally washed from the apparatus on the other aspect, which makes the invention has characteristics of high efficiency, secure and environmental protective.

The invention discloses a corrosive agent for displaying 9% Cr steel original austenite grain boundary and an application thereof. The corrosive agent is prepared by fully mixing the following components of: 60-80ml of H2O, 4-8ml of 36 wt% HCl, 2-4g of FeCl3, 0.2-0.5g of picric acid, and 1.0-2.0g of sodium dodecanesulphonate. The corrosive agent provided by the invention can be used as a reagent for 9% Cr steel grain boundary to clearly display the original austenite grain boundary of large crystal grain, large and small mixed crystal grain and small crystal grain of a sample. Under 100 times, it is easy to carry out grain size rating and the effect is good.

The invention relates to a water soluble compound potassium monopersulfate powdered disinfecting agent comprising sodium chloride, potassium monopersulfate, sulfamic acid, malic acid, lemon acid, sodium hexametaphosphate, sodium dodecanesulphonate and sodium silicate by weight percentage.

The invention relates to a high-temperature foam scrubbing agent for drainage gas recovery. The agent comprises the following components in parts by weight: 10-15 parts of sodium lauryl sulfate, 2-5 parts of alkyl glucoside, 15-18 parts of AES ( Alcohol Ether Sulphate), 20-25 parts of sodium lauryl sulfonate, 5-10 parts of biosurfactant and 27-48 parts of water. The high-temperature foam scrubbing agent has very high thermal stability and high foamability.

The invention relates to a preparing method ofa nano-magnetic polymer composite microsphere, which comprises the following steps: preparing a hydrophilic Fe3O4 magnetic liquid particle by using a chemical co-precipitation method; dissolving initiating agents and emulsifying agents by weight part into ionized water to prepare water phase, adding the hydrophilic Fe3O4 magnetic liquid particle and adding a monomer to obtain nano-magnetic seed emulsion through polymerization; dissolving initiating agents by weight part into ionized water, adding the nano-magnetic seed emulsion and then adding a monomer to obtain nano-magnetic polymer composite microsphere emulsion through polymerization; the emulsifying agents are sodium lauryl sulfate, sodium dodecyl sulfate or sodium dodecyl benzene sulfonate; the initiating agents are potassium peroxydisulfate, ammonium persulphate or sodium peroxydisulfate; the initiating agents are potassium peroxydisulfate, ammonium persulphate or sodium peroxydisulfate; the hydrophobic monomer is styrene or methyl methacrylate or a mixture of the styrene and the methyl methacrylate; the nano-magnetic polymer composite microspheres prepared by adopting a seed emulsion polymerization method have the superparamagnetism, have stronger magnetic responsiveness, have no uncoated magnetic particle and contain magnetic polymer microspheres and are narrow to distribute.

The invention discloses a preparation method of nano calcium carbonate. Firstly, industrial calcium oxide is added in hot water with the temperature of 60-70 DEG C to stir at an instant temperature to generate Ca(OH)2 suspending liquid, the mass ratio of the industrial calcium oxide to the water is 6/100-8/100, the concentration of the suspending liquid is controlled to be 4-9 percent, in a stirring state, chemical additives easy to be dissolved into the water are added so as to control the shape and the structure of a calcium carbonate product, and the adding amount of the chemical additives is 0.1-2 percent of the Ca(OH)2 suspending liquid; mixed gases with carbon dioxide and air are led to the suspending liquid for carbonation reaction at the temperature of 12-18 DEG C; the stirring speed is 300r/min-500r/min; dispersant which is sodium dodecylbenzene sulfonate, or dodecyl sodium sulfate or sodium pyrophosphate is added, when the pH value of the suspending liquid is lowered to 6.8-7.2, the reaction stops, and the product can be obtained by filtering and drying.

The invention discloses a berberine electrostatic composite and a preparation method of the berberine electrostatic composite, which are applied to medical and health industries. The berberine electrostatic composite is prepared from anionic surfactant and berberine or berberine salt by compositing; the molar ratio of the anionic surfactant to the berberine or berberine salt is 1 to 0.5-10; the molar ratio of anion to the berberine salt is 1 to 1; the anionic surfactant is one or more of alkyl sulfate or alkyl sulfonate or fatty acid salt; the alkyl sulfate is one or more of sodium cholesteryl sulfate, lauryl sodium sulfate and deoxysodium cholate; the alkyl sulfonate is one or more of sodium heptanesulfonate and sodium dodecyl sulfate; the fatty acid salt is one or more of sodium caprate and sodium enanthate, and the berberine and berberine salt are obtained by chemical synthesis or by extracting traditional Chinese medicine. The berberine is prepared into the berberine electrostatic composite to increase the biological membrane penetrating ability of the berberine and improve the oral bioavailability of the berberine, and the berberine electrostatic composite plays a significant treatment role on important chronic metabolic disorder diseases such as diabetes mellitus, complication of the diabetes mellitus, hyperlipidemia and the like.

The invention relates to a synthesis method of hydroxamate. The hydroxamate is synthesized from fatty acid, short chain alcohol, dodecyl sulfonic acid, hydroxylamine hydrochloride and caustic alkali by two steps; and the synthesis method comprises the following steps of adding fatty acid, short chain alcohol and dodecyl sulfonic acid into a reactor, stirring and reacting at a constant temperature of 75 DEG C-100 DEG C; carrying out reduced pressure distillation on the reactants to obtain fatty acid ester; adding hydroxylamine hydrochloride into another reactor, adding caustic alkali in batches while stirring, and mixing; adding fatty acid ester and reacting for 3-5 hours at 40 DEG C-60 DEG C to obtain a hydroxamate solution; and rapidly cooling the hydroxamate solution to obtain the solid hydroxamate. By the synthesis method, the conversion between acid-alkali environment for the esterification and hydroximation two-step reaction is avoided, the synthesized product needs not to be subjected to processing steps such as acidification, impurity removal and purification and the obtained product can be organically combined with flotation industry. The synthesis method has the advantages that the operation is simple, the yield of the product is high, the generation of a large amount of acidic wastewater is avoided and the cost of chemical agents is effectively decreased.

The invention provides a heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent. The heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent is prepared from the following components in percentage by weight: 30-50 percent of biomass charcoal, 5-10 percent of diatomite, 5-10 percent of sodium bentonite, 5-10 percent of activated aluminum oxide, 10-20 percent of dithiocar-bamate, 5-10 percent of ethylenediaminetetraacetic acid, 5-10 percent of tartaric acid, 5-10 percent of polyacrylamide and 5-10 percent of sodium dodecyl sulfate. A preparation method for the heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent comprises the following steps: mixing the biomass charcoal, diatomite, sodium bentonite, activated aluminum oxide, ethylenediaminetetraacetic acid, tartaric acid, polyacrylamide and sodium dodecyl sulfate in mass proportion to obtain a mixture; and adding the dithiocar-bamate into the mixture in corresponding mass proportion to sufficiently mix uniformly, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and arsenic compound contaminated soil.

The invention relates to a nanometer carboxylated polystyrene microsphere with a spacer arm and a preparation method thereof. A nanometer carboxylated polystyrene microsphere A is prepared by taking styrene and acrylic acid as a mixed monomer, taking water as a reaction medium, taking potassium persulfate as an initiator and taking sodium dodecyl sulfate as an emulsifier with an emulsion polymerization method. In the presence of EDC (Ethylidene Dichloride) serving as a coupling agent and Sulfo NHS, 4-aminobutyric acid, 6-amidocaproic acid or 8-aminocaprylic acid is connected to the surface of the microsphere, so that the nanometer carboxylated polystyrene microsphere with the spacer arm is prepared. The spacer arm is introduced into the surface of the nanometer microsphere, so that the steric hindrance of a coupling macromolecule is lowered, the activity and utilization ratio of the macromolecule are increased, and a nonspecific interaction between the macromolecule and the polystyrene microsphere is reduced. Meanwhile, the grain diameter of the microsphere can be adjusted by adjusting the using amount of the emulsifier, the length of the space arm and surface density, so that the nanometer microsphere has a wide application prospect in the fields of immune diagnosis, solid phase extraction and the like when serving as a carrier as well as a template.

A water-based metal cleaning agent and a preparing method thereof are disclosed. The cleaning agent includes, by weight, 15-20 parts of polyoxyethylene alkyl ether, 15-20 parts of octylphenol polyoxyethylene ether, 10-12 parts of sodium citrate, 10-12 parts of sodium stearate, 10-15 parts of sodium dodecyl sulfonate, 8-15 parts of triethanolamine oleate, 15-20 parts of coconut fatty acid diethanolamide, 3-5 parts of sodium silicate, 3-5 parts of carboxymethylcellulose, 2-4 parts of a defoamer and 80-100 parts of water. The polyoxyethylene alkyl ether, the octylphenol polyoxyethylene ether, thesodium dodecyl sulfonate are firstly dissolved into the water, then the sodium citrate, the sodium stearate, the sodium silicate, the triethanolamine oleate, the coconut fatty acid diethanolamide andthe carboxymethylcellulose are added in order according to the ratio, the mixture is stirred until the mixture is in a semitransparent state, finally the defoamer is added into the mixture, and the mixture is fully stirred. The cleaning agent is scientific and reasonable in formula, high in cleaning power, safe, environmentally friendly, simple and convenient to operate and low in cost.

The invention discloses a making method of sequent hydroxy phosphorite polycrystalline powder and calcium phosphate, which comprises the following steps: mixing 30% 0. 00167mol calcium nitrate per ml water and 15-60% 0. 0033-0. 0667g sodium dodecylbenzene sulfonate per ml alcohol; placing the mixed solution in the flask with reflux device; adding the composite solution with 30% ammonium monohydric phosphate at 0. 01mol phosphor/ml water solution and 15-60% alcohol and the composite solution with 20% sodium hydroxide solution at 0. 05-0. 1g sodium per ml water and 10-40% alcohol; heating to the refluxing temperature at 88-92 deg. c to do hydrothermal reaction at 4-14h; centrifuging; separating; drying the white sediment under 60-80 deg. c; obtaining the product with good crystallizing degree, high-sequent (spatial symmetry) nanometer layered polycrystalline structure; simplifying the method and reducing the cost.

The invention discloses a process for producing aqueous PU foam gloves, which comprises: impregnating knitted gloves in a resin, wherein the resin comprises 70 to 80 percent of PU resin and 20 to 30 percent of butadiene-acrylonitrile rubber, and based on the mixed volume of the PU resin and the butadiene-acrylonitrile rubber, also comprises 0.5 to2 percent of foaming agent, 0.5 to 2 percent of sodium dodecylsulphonate, 1 to 5 percent of potassium oleate, 1 to 5 percent of thickener and 5 to 20 percent of foam stabilizer, and the resin is foamed mechanically; before impregnating the knitted gloves with the resin, impregnating the knitted gloves with a coagulator to perform pulp spray and homogenate treatment; after impregnating the knitted gloves with the resin, impregnating the knitted gloves with a curing agent to perform pulp spray and homogenate treatment; drying the knitted gloves impregnated with the resin; and washing the knitted gloves impregnated with the resin with water by first soaking the knitted gloves in warm water for 1 to 30 minutes and then rinsing the knitted gloves with warm water for 1 to 30 minutes. The invention also discloses the aqueous PU foam gloves produced by the process for producing the aqueous PU foam gloves and a resin for use in the process for producing the aqueous PU foam gloves.