14 results about "Ethyl phosphate" patented technology

The invention discloses a water treatment filtering material and a preparation method thereof, and relates to the technical field of filtering materials. When the water treatment filtering material is prepared, firstly, acrylonitrile, itaconic acid and ethylene 2-(methacryloyloxy) ethyl phosphate are copolymerized to prepare copolymerized modified polyacrylonitrile; the preparation method comprises the following steps: carrying out hydrothermal reaction on a copper source and tetrabutyl titanate, and calcining to obtain copper-doped nano titanium dioxide; the copper-doped nano titanium dioxide and KH-550 are subjected to a reaction, and modified nano titanium dioxide is prepared; carrying out electrostatic spinning on the copolymerized modified polyacrylonitrile, and carrying out nano-spray loading on the modified nano titanium dioxide to prepare a modified polyacrylonitrile fiber membrane; and reacting the modified polyacrylonitrile fiber membrane in a covalent organic framework growth solution to prepare the water treatment filtering material. The prepared water treatment filtering material has the advantages of being antibacterial, anti-pollution, high in filtering efficiency and long in service life.

The application discloses a water treatment filtering material and a preparation method thereof, and relates to the technical field of filtering materials. In the preparation of the water treatment filtering material, acrylonitrile is first copolymerized with itaconic acid and 2-(methacryloyloxy)ethyl phosphate to obtain copolymerized modified polyacrylonitrile; a copper source is hydrothermally reacted with tetrabutyl titanate and then calcined to obtain copper-doped nanometer titanium dioxide; the copper-doped nanometer titanium dioxide is reacted with KH-550 to obtain modified nanometer titanium dioxide; the copolymerized modified polyacrylonitrile is electrospun and nanometer-sprayed to load the modified nanometer titanium dioxide to obtain a modified polyacrylonitrile fiber membrane; and the modified polyacrylonitrile fiber membrane is reacted in a covalent organic framework growth solution to obtain the water treatment filtering material. The water treatment filtering material prepared by the application has the advantages of antibiosis, anti-pollution, high filtering efficiency and long service life.

This invention provides a weather-resistant metal protective coating and its preparation method. The weather-resistant metal protective coating comprises a modified epoxy resin, modified carbon nanotubes, a curing agent, an initiator, and a diluent. The modified epoxy resin is prepared by reacting epoxy resin sequentially with methyldodecyl dichlorosilane and hydroxyethyl methacrylate ethyl phosphate. The modified carbon nanotubes are prepared by reacting carboxylated carbon nanotubes with 3-(methacryloyloxy)propyltrimethoxysilane. The weather-resistant metal protective coating prepared by this invention exhibits excellent anti-corrosion, anti-aging, and mechanical properties.

The invention discloses antibacterial acarus-killing shampoo and a preparation method thereof, and relates to the technical field of daily chemicals. When the antibacterial mite-killing shampoo is prepared, firstly, long-carbon-chain alkyl acid reacts with 3-dimethylaminopropylamine to prepare long-carbon-chain amidated tertiary amine; reacting the long-carbon-chain amidated tertiary amine with ethylene 2-(methacryloyloxy) ethyl phosphate to obtain a phosphatidylated quaternary ammonium monomer; the preparation method comprises the following steps: copolymerizing a phosphatidylated quaternary ammonium monomer and N-vinyl pyrrolidone to prepare a modified phosphatidylated quaternary ammonium random copolymer; and mixing the modified phosphatidylated quaternary ammonium random copolymer with an auxiliary agent and water to prepare the antibacterial acarus-killing shampoo. The antibacterial and acarus-killing shampoo prepared by the invention has the advantages of being antibacterial, acarus-killing, hair-repairing and long-acting in adsorption.

This invention provides a method for preparing a lithium-ion battery positive electrode slurry, belonging to the field of lithium-ion battery technology. The method includes the following steps: dissolving an auxiliary binder in a first solvent, adding a high-nickel positive electrode active material for a first mixing treatment to obtain a first mixture; adding a conductive agent to the first mixture for a second mixing treatment to obtain a second mixture; adding a main binder to the second mixture for a third mixing treatment to obtain the lithium-ion battery positive electrode slurry; wherein the auxiliary binder is a copolymer of trifluoroethyl methacrylate and 2-(methacryloyloxy)ethyl phosphate, and the main binder is a fluoropolymer binder. This invention can improve the dispersion stability and coating processing performance of the high-nickel positive electrode slurry.

The invention relates to the technical field of pesticides and herbicides, and particularly discloses a synthesis process of an L-glufosinate-ammonium intermediate. According to the preparation method, dimethyl sulfoxide or N, N-dimethyl formamide is taken as the catalyst, so that the reaction rate of the key Arbuzov is remarkably increased, and the reaction time is greatly shortened. Meanwhile, triethylamine is introduced as an auxiliary agent and reacts with a byproduct chloroethane to generate tetraethylammonium chloride, so that the generation of impurities such as methyl ethyl phosphate ethyl ester is effectively inhibited, the purity of the intermediate (2S)-2-ethoxy carbonyl amino-4-ethoxy methyl phosphoryl-ethyl butyrate is remarkably improved, and the purity of the intermediate (2S)-2-ethoxy carbonyl amino-4-ethoxy methyl phosphoryl-ethyl butyrate is improved. And the diethyl methylphosphonite can be completely reacted without excessive feeding, so that the utilization rate of the raw materials is high. Besides, the process adopts a solvent-free reaction system, avoids the problems of cost increase, recovery burden, equipment utilization rate reduction and the like caused by solvent introduction, is suitable for industrial production, and has outstanding economic benefits and environmental benefits.

The invention provides a bio-based fabric dyeing process, which comprises: S1, enzyme hydrolysis treatment: placing a bio-based fabric in a compound enzyme solution, and carrying out heating treatment to obtain a carboxyl-containing bio-based fabric; s2, surface grafting: dipping the carboxyl-containing bio-based fabric obtained in S1 in a solution containing ethyl phosphate methacrylate and potassium persulfate, and carrying out a heating reaction to obtain an ethyl phosphate methacrylate grafted bio-based fabric; s3, cationic dye dyeing: dipping the ethyl phosphate methacrylate grafted bio-based fabric obtained in S2 into a cationic dye, and carrying out a heating reaction to obtain a dyed bio-based fabric; s4, post-treatment: performing water washing, soaping and drying on the bio-based fabric obtained in S3 to obtain the dyed bio-based fabric.

The application discloses a kind of amphiprotic ion copolymer of controllable cell adhesion, preparation method and injectable hydrogel based on it and its application, using different proportions of polyethylene glycol diacrylate, 2-[2-(acryloyl ethyl) dimethylamino] ethyl phosphate ester monomer, chain transfer agent and initiator under anaerobic condition, polymer is prepared by reversible addition-fragmentation chain transfer polymerization. The preparation method is simple and controllable, and has clear composition and structure, and the cyclization degree and graft density of the polymer can be controlled by changing the ratio of monomer. At the same time, the polymer and mercapto gelatin can be crosslinked to prepare hydrogel by simple click chemistry. The hydrogel has good biocompatibility, and different proportions can be used to realize the regulation of cell adhesion. The polymer and hydrogel can be applied to antibacterial, cell expansion, injectable tissue engineering hydrogel scaffold and other fields.

The application discloses an organic matter intercalated vanadium pentoxide (V2O5) positive electrode composite material and a preparation method and application thereof, and belongs to the technical field of micro-nano materials and electrochemistry. The application uses V2O5 with a wide source as a raw material, and uses bis(4-nitrophenyl) phosphate, diphenyl phosphate, ethyl phosphate and triethyl phosphate as objects to be inserted into adjacent layers of the V2O5 to serve as a support. The application not only improves the interlayer spacing of the V2O5, overcomes the problem that zinc ions are difficult to be deintercalated in the interlayer of the V2O5 in a cycle process, but also improves the structural stability, and improves the capacity and cycle stability.

The invention belongs to the technical field of oil and gas field scale inhibition, and relates to a high-temperature-resistant antioxidant scale inhibitor for fracturing, a fracturing fluid system containing the same and a preparation method of the high-temperature-resistant antioxidant scale inhibitor. The scale inhibitor comprises amino trimethylene phosphate alkyl ester, hydroxy ethylidene diphosphate alkyl ester, ethylenediamine tetramethylene phosphate alkyl ester and an emulsifier. Dissolving an emulsifier in pure water to form a water phase solution; and stirring and mixing amino trimethylene ethyl phosphate, hydroxy ethylidene ethyl diphosphate and ethylenediamine tetramethylene ethyl phosphate, and then mixing and stirring with the aqueous phase solution to form the high-temperature-resistant antioxidant scale inhibitor for fracturing. The scale inhibitor is esterified organophosphate, has water insolubility, forms an oil-in-water emulsion under the action of an emulsifier, and can release organophosphoric acid through a slow hydrolysis reaction at a high temperature of a stratum after entering the stratum along with fracturing fluid, so that the scale inhibitor is prevented from being damaged by an oxidation reaction of a gel breaker after entering the stratum; the high-stability scale inhibition and prevention performance is still kept, so that the damage of the fracturing fluid to the stratum is reduced.

The invention relates to the technical field of synthesis of concrete water reducing agents, in particular to a mud-resistant polycarboxylic acid water reducing agent and a preparation method thereof. The mud-resistant polycarboxylic acid water reducer is prepared from an ethylene glycol monovinyl ether polyoxyethylene ether macromonomer A, a micromonomer B containing carboxyl and vinyl at the same time, a functional monomer C1 containing phosphate and vinyl at the same time, and a functional monomer C2 containing quaternary ammonium, sulfonic acid and vinyl at the same time, the small monomer B containing both carboxyl and vinyl comprises any one of acrylic acid, methacrylic acid, hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methylacrylate and hydroxypropyl methacrylate; the functional monomer C1 containing the phosphate group and the vinyl group at the same time is 2-(methacryloyloxy) ethyl phosphate and / or 10-(2-methacryloyloxy) monodecyl phosphate. According to the invention, a phosphate group, a quaternary ammonium salt group and a sulfonic acid group are introduced into the structure of the polycarboxylate superplasticizer, so that the polycarboxylate superplasticizer is more easily adsorbed on the surface of clay and is not embedded into the layered structure of the clay, the dispersibility and adsorbability of the polycarboxylate superplasticizer and the tolerance of the clay are improved, and the early strength performance of concrete is improved.

The application discloses antibacterial and acaricidal shampoo and a preparation method thereof, and relates to the technical field of daily chemicals. When the antibacterial and acaricidal shampoo is prepared, long carbon chain alkyl acid is first reacted with 3-dimethylaminopropylamine to obtain long carbon chain amidated tertiary amine; the long carbon chain amidated tertiary amine is reacted with ethylene 2-(methacryloyloxy)ethyl phosphate to obtain phosphatidylated quaternary ammonium monomer; the phosphatidylated quaternary ammonium monomer is copolymerized with N-vinylpyrrolidone to obtain modified phosphatidylated quaternary ammonium random copolymer; and the modified phosphatidylated quaternary ammonium random copolymer is mixed with an additive and water to obtain the antibacterial and acaricidal shampoo. The antibacterial and acaricidal shampoo prepared by the application has the advantages of antibacterial property, acaricidal property, hair repair, and long-acting adsorption.

The invention discloses a water-based dispersant for an epoxy resin coating and a preparation method of the water-based dispersant. The water-based dispersant is prepared from the following raw materials in parts by weight: 40-85 parts of acrylate monomer; 15 to 40 parts of sodium methallyl sulfonate; 10 to 28 parts of 2-methacryloyloxy ethyl phosphate ester; 0.5-3 parts of an initiator; 1.5 to 5 parts of an auxiliary agent; 5-16 parts of a multi-effect modifier; and 70 to 120 parts of deionized water. The water-based dispersing agent for the epoxy resin coating provided by the invention has excellent dispersing performance, in the water-based dispersing agent, the acrylate monomer, the sodium methallyl sulfonate and the 2-methacryloyloxyethyl phosphate are used as mixed monomers and are synergistically matched with the multi-effect modifier, on one hand, the dispersing performance of the epoxy resin coating can be remarkably improved, and on the other hand, the dispersing performance of the epoxy resin coating can be greatly improved; on the other hand, the weather resistance and the adhesive force of a coating prepared from the coating can be improved. Wide market application prospects are realized.

This invention belongs to the field of membrane separation technology, specifically relating to an amphoteric ion-modified antifouling ultrafiltration membrane, its preparation method, and its application. The preparation method of the amphoteric ion-modified antifouling ultrafiltration membrane includes the following steps: uniformly dispersing an amphoteric polymer, a ureidopyrimidinone functional monomer containing double bonds, and dopamine hydrochloride in a solvent, adjusting the pH to obtain a modified solution; coating the modified solution onto an ultrafiltration membrane, reacting it in the dark, and performing post-treatment after the reaction to obtain the final product; the amphoteric polymer is obtained by copolymerizing 2-acrylamido-2-methylpropanesulfonic acid and a quaternary ammonium monomer; the quaternary ammonium monomer is obtained by reacting oleamide-propyl dimethyl tertiary amine and ethylene 2-(methacryloyloxy)ethyl phosphate. The amphoteric ion-modified antifouling ultrafiltration membrane provided by this invention not only has excellent antifouling properties but also good long-term stability.