25 results about "Dibutyl phosphate" patented technology

The invention discloses a surface coating modified calcium phosphate microsphere and a preparation method thereof, and belongs to the technical field of calcium phosphate microsphere preparation. The surface coating modified calcium phosphate microspheres are prepared from the following components in parts by weight: 60 to 68 parts of calcium phosphate ceramic powder, 20 to 32 parts of modified bioactive bodies, 8 to 12 parts of composite pore forming agents and 2 to 5 parts of binding agents, the modified bioactive body is prepared from vinyltriethoxysilane, butyl dibutyl phosphate, citric acid, calcium acetate, magnesium sulfate and polyether-ether-ketone fibers, and the composite pore-forming agent is prepared from octyl dimethyl tertiary amine, epoxy chloropropane, hydrolyzed soybean protein and starch. The calcium phosphate microspheres prepared by the method have excellent porosity and biological activity.

The invention belongs to the technical field of wood flame-retardant modification, and particularly relates to a metal-based ionic liquid compound flame retardant and a method for preparing flame-retardant wood by using the same. The preparation method comprises the following steps: putting 1-methylimidazole and tributyl phosphate into a reaction container, heating, condensing and refluxing to obtain an ionic liquid flame retardant containing 1-butyl-3-methylimidazole dibutyl phosphate; wood is sequentially soaked in a solution containing trivalent metal ions and an ionic liquid flame retardant, the metal ionic liquid flame retardant is generated in gaps of the wood in situ, and the smoke abatement type flame retardant modified wood can be prepared through drying in the shade, drying and water balance. The imidazolium ionic liquid and the metal trivalent ions are subjected to complexation reaction in the wood to form the metal type ionic liquid flame retardant, the purposes of smoke abatement, flame retardance, loss resistance and the like are achieved, and the application of the wood flame retardant technology and flame retardant wood products is expanded.

The invention discloses a preparation method of a rare earth-silver antibacterial material, which comprises the following steps: preparing rare earth chloride, zinc chloride and zirconium oxychloride into a mixed solution, heating the mixed solution, then adding PEG (polyethylene glycol), then adding glacial acetic acid, adding an ammonium bicarbonate solution into the mixed solution after adding, filtering after reaction to obtain a precipitate, and drying the precipitate to obtain the rare earth-silver antibacterial material. Drying to obtain a first reactant; carrying out size mixing on the first reactant by using deionized water, adding strong phosphoric acid, then adding 1-butyl-3-methylimidazole dibutyl phosphate, reacting for a period of time, filtering and drying to obtain a second reactant; and adding a silver nitrate solution into the second reactant, reacting for a period of time, filtering, washing, drying and calcining to obtain the rare earth-silver antibacterial material. According to the invention, the problems of non-uniform components and poor antibacterial property of the antibacterial material prepared by a simple physical mixing method are solved, and the problems of high reaction temperature and long reaction time when the antibacterial material is synthesized by a common liquid phase method are solved.

The invention discloses a wear-resistant tire tread rubber material and a preparation method thereof, and relates to the technical field of tire materials, the wear-resistant tire tread rubber material comprises the following components: 100.0 parts of a rubber matrix, 20-60 parts of solution polymerized styrene-butadiene rubber, 40-95 parts of emulsion polymerized styrene-butadiene rubber, and 10-30 parts of butadiene rubber; the BET (Brunauer, Emmett and Teller) specific surface area is 90-150m < 2 > / g, and the DBP (Dibutyl Phosphate) absorption value is 100-160ml / 100g; 2-15 parts of low PAHs operation oil, wherein the aromatic hydrocarbon content is less than or equal to 3%; the composite protective wax is composed of low-temperature wax with the content of more than or equal to 50% and high-temperature wax according to the weight ratio of 1: 1 to 1: 2; a vulcanization system: 1.2 to 3.5 parts of sulfur, 1.0 to 2.0 parts of an accelerant NS, and 0.5 to 1.0 part of an accelerant DPG; according to the wear-resistant and wear-resistant rubber disclosed by the invention, by virtue of a high SSBR ratio, superfine carbon black gradient filling and a three-section mixing process, the wet-skid performance and the wear resistance are balanced, and meanwhile, environmental protection laws and regulations and processing requirements are met.

The application discloses a mineralization treatment method of organic waste liquid, and belongs to the technical field of radioactive waste treatment. The organic waste liquid contains uranium, tributyl phosphate and diluent. The mineralization treatment method comprises the following steps: the organic waste liquid is separated through short-path molecular rectification to obtain a diluent fraction and a tributyl phosphate fraction; the tributyl phosphate fraction is reacted with alkali liquor to generate an alkaline hydrolysis product containing dibutyl phosphate salt, n-butanol, water and uranium; the n-butanol is collected through condensation reflux; and the remaining alkaline hydrolysis product is treated through two-stage oxygen-controlled incineration, so that phosphate glass and qualified flue gas are finally obtained. The mineralization treatment method has the advantages of no corrosion, short process, high-efficiency mineralization and stabilization of the waste liquid, direct disposal of the product, consideration of resource recovery and radioactive safety, and easy industrialization.

The invention discloses a method for efficiently removing butyric acid in simulated high-level liquid waste. According to the method, the purpose of removing butyric acid in simulated post-treatment high-level liquid waste is achieved by preparing an organic zirconium phosphate material as an adsorbent. According to the method, zirconium oxychloride is used as a metal source, and dibutyl phosphate (DBP) is used as an organic connector to prepare an organic zirconium phosphate material. According to the method, the reaction temperature of material synthesis is used as a variable, the adsorption effect difference of the synthetic material on butyric acid at different temperatures is investigated, an adsorption sample with the best adsorption effect is determined through an adsorption experiment, simulated high-level radioactive waste liquid is prepared according to the composition of the radioactive waste liquid of a post-treatment plant to serve as an adsorption environment, and the saturation adsorption capacity of the material is measured. According to the method, waste such as zirconium and DBP generated in a post-treatment system can be recycled, an adsorption material is synthesized, waste is turned into wealth, water-soluble organic matter such as butyric acid in post-treatment waste liquid is effectively removed, and the safety level of the post-treatment system can be improved.

Provided is a method for efficiently removing the butanol, dibutyl phosphate, etc., contained as impurities in tributyl phosphate. The technique of the disclosure is a method for producing tributyl phosphate characterized by having a step that brings crude tributyl phosphate into contact with an aluminosilicate compound in which the molar ratio (SiO2 / Al2O3) of silica and alumina in the zeolite framework is 10 or more. Also disclosed is a method for producing an extractant that contains tributyl phosphate and, as a diluent, C6 or higher hydrocarbon, wherein the tributyl phosphate is mixed with the diluent after the impurities contained in the component have been removed by contact with an aluminosilicate compound in which the molar ratio of silica and alumina in the zeolite framework is 10 or more.

This invention belongs to the field of rare earth material preparation technology and discloses a method for preparing a rare earth antibacterial carrier. The specific steps are as follows: (1) rare earth chloride, zinc chloride and zirconium oxychloride are prepared into a mixed aqueous solution; (2) the mixed aqueous solution is heated, PEG and glacial acetic acid are added, mixed evenly, the pH of the mixed solution is adjusted to 6.7-7, the precipitate is filtered, dried, and the first reactant is obtained; (3) the first reactant is slurried with water, concentrated phosphoric acid and 1-butyl-3-methylimidazolium dibutyl phosphate are added, the reaction is carried out, the precipitate is filtered, dried, and a rare earth antibacterial carrier with an ion adsorption capacity of 1g / 100g-5g / 100g is obtained. This invention has the characteristics of simple operation, short reaction time, low reaction temperature, easy washing and filtration of reactants, large specific surface area of ​​the carrier, and high metal ion loading.

The invention discloses a rare earth-molybdenum antibacterial material and a preparation method thereof, and belongs to the technical field of rare earth materials. The preparation method comprises the following steps: uniformly mixing rare earth chloride, zinc chloride, zirconium oxychloride and water, heating the mixed solution, adding PEG (Polyethylene Glycol) and glacial acetic acid, adding an ammonium bicarbonate solution and citric acid or tartaric acid, reacting, centrifuging the reaction solution, drying the precipitate, adding deionized water into the obtained first reactant, and uniformly mixing to obtain a second reactant; adding strong phosphoric acid and 1-butyl-3-methylimidazole dibutyl phosphate salt, heating to react, filtering the reaction liquid to obtain a precipitate, drying the precipitate, adding the obtained second reactant into an ammonium molybdate solution and glacial acetic acid to react, filtering the reaction liquid, and washing, drying and calcining the precipitate to obtain the rare earth-molybdenum antibacterial material. The rare earth-molybdenum antibacterial material synthesized through a liquid phase method has the advantages of being short in reaction time, small in particle size, large in specific surface area, good in antibacterial effect and good in aging resistance.

The invention discloses a preparation method of a rare earth antibacterial material, which specifically comprises the following steps: (1) preparing rare earth chloride and zirconium oxychloride into a mixed solution, heating, then adding polyethylene glycol, glacial acetic acid and an ammonium bicarbonate solution, reacting, filtering and drying; (2) adding water, concentrated phosphoric acid and 1-butyl-3-methylimidazole dibutyl phosphate salt, reacting, filtering and drying; and (3) adding a zinc nitrate solution into the second reactant, reacting, filtering, washing, drying and calcining to obtain the catalyst. The prepared rare earth-zinc antibacterial material is good in uniformity, the material with the particle size of 500-1500 nm can be obtained without crushing, the specific surface area is large (15-150 m < 2 > / g), the adsorption capacity (1.5-4.5 g / 100 g) and the adsorption strength on zinc ions are increased, the aging resistance is good, the antibacterial effect is excellent, the antibacterial rate on staphylococcus aureus, escherichia coli and klebsiella pneumoniae reaches 99.99%, and the antibacterial effect is good. The antibacterial rate on candida albicans and pseudomonas aeruginosa reaches 99% or above.

This application relates to plastic-steel nails and discloses a reinforced nylon material and a preparation method thereof. The reinforced nylon material includes the following raw materials in parts by mass: 50 parts of PA66; 25-40 parts of glass fiber; 0.4-1 part of silane coupling agent; 0.11-0.32 part of reinforcing agent; the reinforcing agent is one of monobutyl phosphate, dibutyl phosphate, tributyl phosphate, tricarboxylic acid, and ethane tricarboxylic acid. After adding a specific reinforcing agent, the reinforced nylon material of this application can have excellent toughness and tensile resistance, enabling the plastic-steel nails prepared therefrom to have good properties. Moreover, some of the selected reinforcing agents can further improve the flame retardancy of the reinforced nylon material, meeting the strength and flame retardancy application requirements of plastic-steel nails in the automotive field.

The invention discloses a tributyl phosphate synthesis method based on phosphorus pentoxide solvation feeding, which comprises the following steps: adding an organic solvent into phosphorus pentoxide positioned on a microporous filter plate, dissolving the phosphorus pentoxide, adding the organic solvent solution of the phosphorus pentoxide into a mixture of n-butyl alcohol, a catalyst and the organic solvent through the microporous filter plate, and stirring to obtain a mixture; an esterification reaction is carried out, and the organic solvent and water generated by the esterification reaction form azeotrope; carrying out oil-water separation on the azeotrope; returning an organic phase to the microporous filter plate, and dissolving phosphorus pentoxide; and repeating the steps until the phosphorus pentoxide is completely dissolved and no water is generated in the esterification reaction to obtain the TBP. According to the invention, P2O5 stored in a microporous filter plate is slightly dissolved by a circulating organic solvent and then is dropped into a mixture in a liquid form, so that excessive local raw materials and side reaction caused by direct addition of P2O5 solid are avoided. According to the method, the generation of byproducts such as dibutyl phosphate and monobutyl ester can be remarkably reduced under mild and low-pollution conditions, the selectivity and total yield of TBP are improved, the subsequent separation and purification process is simplified, and the production cost of TBP is reduced.

The invention belongs to the technical field of rare earth material preparation, and discloses a preparation method of a rare earth antibacterial carrier. The preparation method comprises the following specific steps: (1) preparing rare earth chloride, zinc chloride and zirconium oxychloride into a mixed aqueous solution; (2) heating the mixed aqueous solution, adding PEG and glacial acetic acid, uniformly mixing, adjusting the pH value of the mixed solution to 6.7-7, filtering, precipitating and drying to obtain a first reactant; and (3) carrying out size mixing on the first reactant with water, adding strong phosphoric acid and 1-butyl-3-methylimidazole dibutyl phosphate salt, reacting, filtering, precipitating and drying to obtain the rare earth antibacterial carrier with the ion adsorption capacity of 1g / 100g to 5g / 100g. The method has the characteristics of simplicity in operation, short reaction time, low reaction temperature, easiness in washing and filtering reactants, large specific surface area of the carrier and high metal ion loading capacity.

The present invention discloses a coated energy-saving glass, a coating liquid, and a coating process, belonging to the technical field of coated glass. The glass substrate comprises a glass substrate and a coating layer coated thereon; the coating layer is formed by solidifying the coating liquid. The coating liquid comprises the following raw material components in parts by weight: 10 to 15 parts of dibutyl phosphate, 1 to 5 parts of a stabilizer, 1 to 5 parts of an emulsifier, 20 to 35 parts of an epoxy acrylic resin, 0.5 to 3 parts of a cosolvent, and 10 to 15 parts of diethylene glycol amine. By combining the various components, the present invention can not only effectively enhance the adhesion of the coating liquid to the glass substrate, but also significantly improve the light transmittance, flexibility, and mechanical properties of the coating liquid, thereby greatly extending its service life.

The present invention discloses a surface-coated and modified calcium phosphate microsphere and a preparation method thereof, belonging to the technical field of calcium phosphate microsphere preparation. The surface-coated and modified calcium phosphate microsphere is composed of the following components in parts by weight: 60-68 parts of calcium phosphate ceramic powder, 20-32 parts of modified bioactive body, 8-12 parts of composite pore former, and 2-5 parts of binder. Among them, the modified bioactive body is prepared from vinyltriethoxysilane, dibutyl butyl phosphate, citric acid, calcium acetate, magnesium sulfate, and polyetheretherketone fiber, and the composite pore former is prepared from octyldimethyl tertiary amine, epichlorohydrin, hydrolyzed soy protein, and starch. The calcium phosphate microsphere prepared by this method has excellent porosity and bioactivity.

The invention discloses coated energy-saving glass, coating liquid and a coating process, and belongs to the technical field of coated glass. The glass comprises a glass substrate and a coating layer coated on the glass substrate, and the coating layer is formed by curing a coating liquid. The coating liquid comprises the following raw material components in parts by weight: 10-15 parts of dibutyl phosphate, 1-5 parts of a stabilizer, 1-5 parts of an emulsifier, 20-35 parts of epoxy acrylic resin, 0.5-3 parts of a cosolvent and 10-15 parts of diethylene glycol amine. Through cooperation of all the components, the adhesion of the coating liquid and a glass substrate can be effectively improved, the light transmittance, flexibility and mechanical performance of the coating liquid can be remarkably improved, and the service life of the coating liquid is greatly prolonged.

The application discloses a rare earth-molybdenum antibacterial material and a preparation method thereof, and belongs to the technical field of rare earth materials. The preparation method comprises the following steps: uniformly mixing chlorinated rare earth, zinc chloride, zirconium oxychloride and water, adding PEG and glacial acetic acid after heating the mixed solution, adding an ammonium bicarbonate solution and citric acid or tartaric acid, centrifuging the reaction liquid after the reaction is completed, drying the precipitate, uniformly mixing the obtained first reaction product with deionized water, adding concentrated phosphoric acid and 1-butyl-3-methyl imidazole phosphoric acid dibutyl ester salt for heating reaction, filtering the reaction liquid, obtaining the precipitate, drying the precipitate, adding the obtained second reaction product into an ammonium molybdate solution and glacial acetic acid for reaction, filtering the reaction liquid, washing and drying the precipitate, and calcining the precipitate to obtain the rare earth-molybdenum antibacterial material. The rare earth-molybdenum antibacterial material synthesized by the liquid phase method has the advantages of short reaction time, small particle size, large specific surface area, good antibacterial effect and good aging resistance.

The present invention provides a proton-type polyionic liquid, a preparation method thereof, and an application as a water-based thickening lubricant additive, belonging to the technical field of lubricants. The cation of the proton-type polyionic liquid of the present invention is a copolymer of N-vinyl pyrrolidone and dimethylaminoethyl methacrylate, and the anion is an alkyl carboxylate anion or a dibutyl phosphate anion. The active nitrogen element in its molecular structure can undergo a tribochemical reaction with the interface of the friction pair sliding against each other to form a tribochemical protective film, which can not only improve the friction reduction and anti-wear performance of the water-based lubricant, but also improve its extreme pressure bearing performance. The alkyl carboxylate anion or the dibutyl phosphate anion can be adsorbed onto the interface of the metal friction pair to form a physical adsorption film, which significantly improves the lubrication performance of the lubricant. The proton-type polyionic liquid aqueous solution has a high viscosity and has good film-forming ability on the surface of the friction pair. The physical adsorption film, the viscous liquid film, and the tribochemical reaction film work synergistically to effectively improve the friction reduction and anti-wear performance and bearing performance of the water-based lubricant.

The invention belongs to the technical field of inorganic materials, and provides low-alkalinity dolomite powder as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing coarse dolomite powder and a grinding aid solution, and carrying out ball milling to obtain superfine dolomite powder; mixing the superfine dolomite powder with the modifier solution I, and carrying out surface modification to obtain primary modified dolomite powder; and mixing the primary modified dolomite powder with the modifier solution II, and carrying out surface modification. According to the invention, dibutyl phosphate and a polymeric dispersant containing an acidic group are compounded as a wear-resistant auxiliary agent, so that the wear-resistant auxiliary agent has a grinding aiding effect, and meanwhile, the pH value of the particle surface is adjusted, and the alkalinity is reduced; polyester is firstly adopted for primary modification, and then a compound modifier of amino epoxy phosphate and methacryloyloxyethyl phosphate is adopted for secondary modification, so that the flowability of the dolomite powder and the compatibility of the dolomite powder and resin in the coil coating are improved; the crosslinking density and the leveling property of a coating film can be considered, and the solvent wiping resistance and the ultraviolet aging resistance of the coating film are improved.

The present invention relates to the technical field of matte films, and discloses a preparation process of a matte PE film for cotton soft towel packaging, including: using dibutyl phosphite, 2-(oxazolidin-3-yl)ethanol, and di(hydrogenated tallow-based) phthalic acid amide as raw materials to synthesize a tetra-long-chain alkylated dibutyl phosphate monomer, modifying it on the surface of SiO2 by covalent grafting method to obtain a solvent-free nano-SiO2 fluid with a core-shell structure; filling the solvent-free nano-SiO2 fluid into a mixed resin matrix of polyethylene and polypropylene, mixing to form a homogeneous system, and preparing a matte masterbatch; using the matte masterbatch as the outer layer raw material, high-density polyethylene resin as the intermediate layer raw material, and metallocene polyethylene resin as the inner layer raw material, and adopting a three-layer co-extrusion blow molding process to prepare a matte PE film for cotton soft towel packaging. The matte PE film developed by the present invention exhibits very excellent matte performance while only slightly decreasing in tear resistance.

The application discloses a preparation method of a rare earth antibacterial material, and specifically comprises the following steps: (1) first, a mixed solution of chlorinated rare earth and zirconium oxychloride is prepared, heated, then polyethylene glycol, glacial acetic acid and ammonium bicarbonate solution are added, reacted, filtered, and dried; (2) water, concentrated phosphoric acid and 1-butyl-3-methyl imidazole phosphoric acid dibutyl ester salt are added, reacted, filtered, and dried; (3) zinc nitrate solution is added into the second reactant, reacted, filtered, washed, dried, calcined, and the rare earth-zinc antibacterial material is obtained. The rare earth-zinc antibacterial material prepared by the method has good uniformity, can be obtained without crushing, has a particle size of 500-1500nm, a large specific surface area (15-150m 2 / g), increased adsorption amount (1.5-4.5g / 100g) and adsorption strength of zinc ions, good aging resistance, excellent antibacterial effect, and the antibacterial rate of the material reaches 99.99% on staphylococcus aureus, escherichia coli and klebsiella pneumoniae, and the antibacterial rate of the material reaches more than 99% on candida albicans and pseudomonas aeruginosa.

The invention discloses a low-temperature seamless steel tube and a processing technology thereof, and relates to the technical field of seamless steel tubes, the processing technology comprises the following steps: sequentially carrying out converter smelting, secondary refining, vacuum degassing and continuous casting on raw materials according to a formula to obtain a tube blank; the pipe blank is sequentially subjected to heating, perforating, continuous rolling, pipe removing, tension reducing and heat treatment, and an original pipe is obtained; the original pipe is sequentially subjected to surface pretreatment, electroplating and chemical vapor deposition, and a first steel pipe is obtained; and the first steel pipe is sequentially immersed in the 3-aminopropyltriethoxysilane solution and the cerium dibutyl phosphate suspension and dried, and the seamless steel pipe used at the low temperature is obtained.

The invention discloses a green and environment-friendly production method of triazole pyrimidone. The method comprises the steps of constant-temperature reaction, catalyst and solvent recovery, product separation and purification and catalyst regeneration. According to the method, 2-amino-6-methyl-[1, 2, 4]-triazolo [1, 5-a] pyrimidine-5-ketone is used as a parent, sodium bicarbonate, 1-butyl-3-methylimidazolium hydrogen sulfate functionalized ionic liquid and a mesoporous silicon supported zirconic acid catalyst are matched, a choline chloride-ethylene glycol eutectic solvent is used as a reaction medium, and the ionic liquid functionalized ionic liquid functionalized mesoporous silicon supported zirconic acid catalyst is used as a catalyst to prepare the 2-amino-6-methyl-[1, 2, 4]-triazolo [1, 5-a] pyrimidine-5-ketone derivative. And adding a pre-activated n-propyl alcohol-dibutyl phosphate alkylation reagent for reaction. After the reaction, the mesoporous silicon loaded zirconic acid catalyst is recovered through centrifugation, and a solvent phase is subjected to reduced pressure distillation to remove water and can be recycled. The product is obtained by pH adjustment precipitation, washing and drying, and has high purity and yield. According to the method, the cost and pollution are reduced through reagent recycling, the problems of poor environmental protection property and resource waste in traditional production are solved, and the method has both economical efficiency and environmental protection property.

The invention belongs to the field of chemical processes, and particularly relates to a method for preparing monopotassium phosphate from wet-process phosphoric acid, which comprises the following steps: a) mixing semi-hydrated wet-process phosphoric acid and barium carbonate, heating to react, and carrying out solid-liquid separation to obtain a first liquid phase; b) mixing the first liquid phase with dibutyl phosphate, carrying out heating reaction, and carrying out solid-liquid separation to respectively obtain a second liquid phase and a pasty solid; c) carrying out mixed reaction on the second liquid phase and KOH, and carrying out solid-liquid separation to obtain a third liquid phase; d) carrying out cooling crystallization and solid-liquid separation on the third liquid phase to respectively obtain a crystallized product and a fourth liquid phase; and e) drying the crystallized product to obtain a monopotassium phosphate product. The method can be used for simply and efficiently removing impurities from wet-process phosphoric acid and producing high-quality industrial-grade monopotassium phosphate, and is relatively low in implementation cost and wide in industrialization prospect.

To provide an extractant using purified tributyl phosphate that is obtained by efficiently removing the butanol, dibutyl phosphate, etc. contained as impurities in tributyl phosphate.SOLUTION: An extractant includes: tributyl phosphate as a principal component; and hydrocarbons having 6 or more carbon atoms as diluent. The extractant further includes: 0.02 mass% or less butanol and 0.01 mass% or less dibutyl phosphate, as impurities.SELECTED DRAWING: None