55 results about "Vinyl phosphate" patented technology

The fuser members of this invention include a core member that includes a rigid outer surface. An adhesion promoter layer comprising silane or epoxy silane coupling is disposed on the outer surface of the core member. A resilient layer comprising an elastomer is disposed on the adhesion promoter layer. A tie layer is disposed on the resilient layer, the tie layer being made of fluoropolymers, fluoroelastomers, fluorocarbon thermoplastic copolymers and mixtures thereof. A primer layer, disposed on the tie layer, comprising perfluoroalkoxy resin and trifluoroethylene-perfluoroethyl vinyl ether-perfluoroethylene vinyl phosphate or a mixture of perfluoroalkoxy resin and trifluoroethylene-perfluoroethylvinyl ether; and an outer layer of fluoropolymer resin made from polytetrafluoroethylene, polyperfluoroalkoxy-tetrafluoroethylene, polyfluorinated ethylene-propylene and blends thereof is disposed on the primer layer.

The invention discloses a high conductivity cross-linked organic phosphate polybenzoimidazole high temperature proton exchange membrane and preparation method thereof. The polybenzoimidazole is adopted as the polymer substrate. Through polymerization reaction and the adoption of vinyl benzyl chloride as the cross-linking agent, the self-cross-linking of polybenzoimidazole and Vinyl phosphate is conducted to form the membrane, which can be adopted for the preparation of homogeneous phase high temperature proton exchange membrane. The membrane not only can enhance the adsorption site of phosphoric acid, thus enhancing the conductivity of the membrane, but also can hugely reduce the phosphoric acid loss of polybenzoimidazole/phosphoric acid film, effectively enhance the conductivity stability of the membrane. Under non-wetting condition the membrane has the advantages of excellent proton conductive capability, and low air permeability. The membrane can be adopted for the high temperature proton exchange membrane fuel cell, direct alcohol fuel cell, electrochemical sensor and other electrochemical devices.

The invention discloses a silane modified polycarboxylate-type water reducing agent as well as a preparation method and a use method thereof. The silane modified polycarboxylate-type water reducing agent comprises the following raw material components in parts by weight: 100 parts of methyl alkene butyl polyoxyethylene ether DD-524, 6-10 parts of fumaric acid, 1-5 parts of vinyl phosphate, 1-2.5 parts of vinyl dimethoxy silane, 1-2.5 parts of vinyl ethyoxyl silane, 2-3 parts of vinyl methyl dimethyl oxo silane, 1-1.5 parts of hydrogen peroxide, 0.5-1 part of sodium formaldehyde sulphoxylate, 0-0.2 part of trisodium phosphate, 0.2-0.8 part of sodium methallyl sulfonate, 1-3 parts of sodium hydroxide and 120-180 parts of water. The silane modified polycarboxylate-type water reducing agent is simple in preparation method, convenient to operate, high in water reduction rate and relatively good in collapse prevention, and the adaptability problem of cement is solved.

The invention discloses a bean growth healthy agent and an application method thereof, which is composed of 6-furfuryl adenine (kinetin KT), gibberellic acid (GA3), 2-vinyl phosphate (ethephon CEPA) and water; according to the change of environment and temperature of different seasons, kinetin and gibberellic are respectively dissolved by solvent, and are prepared into mother solution with water, and are added with ethephon to be prepared into 100 percent working liquid. Bean seeds and the working liquid are weighed, and the bean seeds are dipped for 4 hours to 6 hours to cause the liquid medicine to be fully absorbed, and the swelled bean seeds are placed in a condition with temperature between 20 DEG C to 30 DEG C, and are rinsed regularly for cultivation. The bean sprouts produced by the invention has regular size, pure white sprout bodies and high commodity rate, which are particularly applicable to the supply of upscale guest houses, hotels and unit canteens and being used as the material of bean sprout cans.

The invention provides a preparation method of tebipenem pivoxil, and relates to the technical field of pesticide synthesis. The preparation method of the tebipenem pivoxil comprises the following steps that 1-(4,5-dihydro-2-thiazolyl) azetidine-3-thiol hydrochloride and 1 beta-methyl vinyl phosphate are used as raw materials to take a reaction under the existence of diisopropylethylamine, and an acetonitrile water solution is used for washing to obtain an intermediate I; the intermediate I, an n-butyl alcohol water solution, a palladium-carbon catalyst and sodium bicarbonate take a mixed reaction, and treatment is performed to obtain an intermediate II; the intermediate II and chloromethyl pivalate take a reaction through phase transfer catalyst catalysis under the existence of diisopropylethylamine and dimethylformamide to obtain an intermediate III; the intermediate III and a sodium bicarbonate water solution are mixed, ethyl acetate is added, and reaction and refining are performed to prepare the tebipenem pivoxil. The preparation method has the advantages that the purity and the yield of the intermediates are obviously improved; the purity of the final product of the tebipenem pivoxil reaches 99.21 to 99.78 percent; the yield reaches 88.7 to 92.1 percent.

The invention discloses an industrial preparation method of ertapenem, comprising the following steps of: firstly synthesizing an ertapenem side chain (a compound V), and using the compound as a raw material together with 1beta-methyl vinyl phosphate (MAP) to prepare ertapenem. The invention has the following advantages of: the technology has fewer steps, the raw materials used are cheap and easily available, and the separation means is simple. Therefore, the preparation method is suitable for industrial production.

The invention discloses an adsorbing material for selectively separating indium. The adsorbing material comprises a matrix and a functional monomer modified on the surface of the matrix and capable ofcoordinating with indium ions. The invention also discloses a preparation method of the adsorbing material for selectively separating indium. The method comprises the steps as follows: 1) the surfaceof silicon dioxide is modified with carboxyl marked as SG-COOH; 2) indium sulfate is dissolved in dimethyl sulfoxide, vinyl phosphate and allyl mercaptan are added, the mixture is stirred for a period, and a solution A is obtained; 3) the SG-COOH obtained in the step 1) is mixed with the solution A obtained in the step 2), ethylene glycol dimethacrylate and azobisisobutyronitrile are added, the mixture is subjected to a polymerization reaction under the oxygen-free condition, and a polymer B is obtained; 4) indium ions are separated from the obtained polymer B through acid pickling, the obtained material is sequentially washed with deionized water to be neutral, drying is performed, and the adsorbing material for selectively separating indium is obtained. The preparation method of the adsorbing material is simple, and the adsorption efficiency of the adsorbing material for low-concentration indium ions is high.

The invention discloses a preparation method of an environment-friendly polymer composite material, which is characterized by comprising the following steps: S1, preparing a 3,3 '-diamino-4, 4' -difluorodiphenyl sulfone/2, 3,5, 6-tetrafluoroterephthalic acid polycondensate, S2, preparing a 4-acryloxybenzophenone/methylvinyl silicon-fluorene/bistrimethylsilylation vinyl phosphate/acrylic sulfonic acid copolymer; and S3, molding the material. The invention also discloses the environment-friendly polymer composite material prepared by the preparation method of the environment-friendly polymer composite material. The environment-friendly polymer composite material disclosed by the invention is better in comprehensive performance, more excellent in performance stability, durability, mechanicalproperty, flame retardance and weather resistance, and safer and more environment-friendly to use.

The invention discloses a preparation method of a sewage treatment agent. The method comprises the following steps: 1) surface modification of polyaluminum ferric silicate; 2) modification of the surface-modified polyaluminum ferric silicate with amino starch; 3) dimethyl-vinyl phosphate exchange; 4) polymerization; and 5) ion exchange. The invention also discloses the sewage treatment agent prepared by the preparation method of the sewage treatment agent. The sewage treatment agent has the advantages of remarkable sewage treatment effect, small use amount, fast reaction speed, no generation of toxic and harmful gases in the reaction process, safety and environmental protection in use, safety to human bodies and no corrosion to devices before and after the reaction, simple use method, andno addition of devices or materials.

The invention discloses an insecticidal composition containing chromafenozide and organic phosphorus. The insecticidal composition contains an active ingredient A and an active ingredient B, the active ingredient A is selected from chromafenozide, and the active ingredient B is an organophosphorus compound selected from any of the following: chlorpyrifos, dimethyl-dichloro-vinyl-phosphate, malathion and profenofos, and the active ingredient A and the active ingredient are in a weight ratio of 1:80-80:1. The composition provided in the invention can control a plurality of pests, has an obvious synergistic effect, expands the insecticidal spectrum, and has high activity on beet armyworms, Spodoptera litura, tortricid, Cnaphalocrocis medinalis, wireworms, cutworms, aphids, red spiders, trialeurodes vaporariorum, scale insects, Psylla chinensis, stinkbugs and the like on vegetables, fruit trees, rice and soybeans. Also, the dosage of pesticides is reduced, the pesticide residue on crops is lowered, and the environmental pollution is alleviated. Being safe to human and livestock, the insecticidal composition has good environmental compatibility, and pests are less likely to generate drug resistance.

The invention relates to a lithium ion battery electrolyte additive, a lithium ion battery electrolyte and a lithium ion battery, and belongs to the technical field of lithium ion batteries. The lithium ion electrolyte additive disclosed by the invention comprises vinyl phosphate and vinyl sulfonyl fluoride. The lithium ion electrolyte comprises a non-aqueous organic solvent, a lithium salt and anadditive, wherein the additive comprises vinyl phosphate and vinyl sulfonyl fluoride. The lithium ion electrolyte disclosed by the invention has relatively good flame retardance. When the lithium ionbattery adopting the electrolyte works at a high voltage, the lithium ion battery not only has good cycling stability, but also has good safety performance at a high temperature.

The invention discloses a flame-retardant formaldehyde-removable bamboo-plastic foamed door-window material and a preparation method thereof. The material is characterized by being prepared, by weight, 1-2 parts of vinyl phosphate, 60-70 parts of isotatic polypropylene, 0.5-1 part of vinyl methyl phosphate, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of corn meal, 1-2 parts of emery powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of foamer AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution and 1-3 parts of polyacrylate emulsion. Polyacrylate and Cu(NO3)2 are utilized to modify activated carbon and diamond, so that load of Cu(NO3)2 in the surfaces and holes of activated carbon and diamond; vinyl phosphate and vinyl methyl phosphate are added, so that flame-retardant performance of the material is improved.

The invention provides a PVC-based power cable sleeve and a preparation method of the power cable sleeve. The PVC-based power cable sleeve is composed of the following raw materials in parts by weight: 30-40 parts of PVC, 20-30 parts of CPVC, 30-40 parts of fluorine-containing triazine-modified PVC, 6-10 parts of vinylferrocene-2,4-diamino-6-vinyl-S-triazine-bis(trimethylsilyl)vinyl phosphate-vinyltrimethoxysilane copolymer, 0.5-1.5 parts of oxidized paraffin, 5-10 parts of nanometer silicon boride and 10-15 parts of a filler. The invention further discloses a preparation method of the PVC-based power cable sleeve. The PVC-based power cable sleeve disclosed by the invention has the advantages of good processing fluidity, low preparation cost, good impact resistance, corrosion resistance, heat resistance, weather resistance and wear resistance, environment friendliness, no toxicity and excellent comprehensive performance.

The invention relates to a body flame retardant plastic wood composite material and a preparation method thereof. the composite material is prepared from a body flame retardant fabric and a core material, wherein the body flame retardant fabric is mainly prepared from vinyl phosphate, cis-3-ethyl bromoacrylate, hexachlorocyclopentadiene, acrylic acid, melamine and pentabromophenol as major raw materials; the body flame retardant core material can be mainly prepared from brominated epoxy resin, thermoplastic phenolic resin, wood flour, lubricating agents, aluminum hydroxide and compatilizers asraw materials. The plastic wood composite material has durable flame retardant performance.

The invention provides a preparation method of an ertapenem sodium salt. The preparation method comprises the following steps: (1) carrying out docking reaction on meropenem mother nucleus MAP (beta-methyl vinyl phosphate) with a protecting group and an ertapenem side chain in a solvent or alkali, so as to generate intermediate products; (2) carrying out hydrogenated deprotection on the intermediate products by taking palladium-carbon as a catalyst and sodium bicarbonate as an alkalizer to prepare the ertapenem sodium salt, namely [4R,5S,6S]-3-[[(3S,5S)-5-[[(3-carboxy phenyl) amino]-3-pyrrolidyl] sulfenyl]-6-[(1R)-1-hydroxy ethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0] hepta-2-alkene-2-carboxylic acid monosodium salt. The ertapenem sodium salt is synthetized by adopting the preparation method, so that the yield is greatly improved; meanwhile, the reduction cost is reduced; the operation steps are simplified; the required reagent is low in price, and friendly to environment.

The invention discloses a nano synthetic lubricating oil which is characterized by comprising the following components in parts by weight: 5-8 parts of hydroxyl-terminated hyperbranched nano hybrid polymer HB-SiO2, 1-3 parts of organic nano material, 10-15 parts of3-Hydroxyadamantan-1-yl methacrylate/methacrylic acid (1H, 1H, 7H-perfluoroheptyl) ester/polyethylene glycol monoallyl ether/dimethyl-vinyl phosphate copolymer, 60-75 parts of base oil, 0.3-0.8 part of an antioxidant, 0.5-1 part of a dispersing agent and 0.2-0.5 part of an anti-wear agent. The invention also discloses a preparation method of the nano synthetic lubricating oil. The nano synthetic lubricating oil disclosed by the invention is good in comprehensive performance, remarkable in lubricating effect, good in wear resistance and oxidation resistance, good in performance stability and multiple in effect.