138 results about "Potassium phosphate" patented technology

The application discloses a kind of high waterproof moisture-permeable polyurethane film materials and high waterproof moisture-permeable fabric, it is related to polyurethane film material technical field, high waterproof moisture-permeable polyurethane film material, including following raw materials: polyether diol, diisocyanate, organic solvent, modified porous biochar, modified diatomite, chain extender, thickening agent, defoaming agent, ultraviolet absorber, dibutyltin dilaurate;The modified porous biochar is prepared by activating corn straw powder by potassium phosphate and potassium hydroxide in cooperation, and polyethylene glycol is added as a dispersant, and the modified porous biochar is treated by mercapto and fluorination modification;By introducing potassium phosphate in cooperation with potassium hydroxide to form an activation system in the preparation of modified porous biochar in polyurethane film material, combined with polyethylene glycol, dispersion optimization and reduction synergy are realized, and the moisture permeability, waterproofness, mechanical properties and durability of the material are improved.

The invention relates to the technical field of chemistry, in particular to a synthesis process of 4-fluoro-3, 5-dimethylphenylhydrazine hydrochloride, which comprises the following steps: by taking 4-fluoro-3, 5-dimethylbromobenzene as a raw material and hydrazine hydrate as a hydrazine source, matching with alkali such as potassium hydroxide, sodium hydroxide or potassium phosphate and the like, reacting at the temperature of 60-80 DEG C to obtain the 4-fluoro-3, 5-dimethylphenylhydrazine hydrochloride. The preparation method comprises the following steps: by taking copper or nickel source catalysts such as cuprous bromide, cuprous iodide, nickel salicylate and the like, N, N-bis (2, 6-dimethylphenyl) oxamide as a ligand, hexadecyl trimethyl ammonium bromide as a stabilizer and a dioxane-water mixed system as a solvent, reacting at 80-110 DEG C under the protection of nitrogen, separating a reaction mixed solution after the reaction is finished, and separating the reaction liquid to obtain the target product. And purifying to obtain a finished product of the 4-fluoro-3, 5-dimethyl phenylhydrazine hydrochloride. Therefore, the problems that the synthesis of the 4-fluoro-3, 5-dimethylphenylhydrazine hydrochloride is poor in safety, low in production efficiency, poor in environmental friendliness, small in substrate application range and the like are solved.

Provided are an aqueous inorganic coating agent capable of forming a coating film having excellent adhesion to a substrate, and a coating method using this aqueous inorganic coating agent. The aqueous inorganic coating agent includes alkaline colloidal silica, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, and an inorganic abrasive.

The invention relates to the technical field of organic synthesis, in particular to 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine as well as a synthesis method and application of the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine. The synthesis method comprises the following steps: (1) synthesizing 2-chloro-3-fluoro-4-iodine-5-methylpyridine from 2-chloro-3-fluoro-5-methylpyridine and an iodine elementary substance to obtain 2-chloro-3-fluoro-4-iodine-5-methylpyridine; (2) synthesizing 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine, the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride, the tripotassium phosphate and the (2-formyl phenyl) boric acid, and further synthesizing the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine and the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride. And (3) synthesizing the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine by using the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde and sodium tert-butoxide. The 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine compound constructed by the invention can be used for detecting the content of pesticide residue glyphosate.

Provided is an aqueous inorganic coating agent capable of forming a coating film having high antifogging properties. [Solution] The aqueous inorganic coating agent comprises small-particle colloidal silica having an average particle diameter of 3 nm or more and 10 nm or less, large-particle colloidal silica having an average particle diameter of more than 10 nm and 100 nm or less, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, and water.

Provided is a water-based inorganic coating agent capable of forming a coating film having high antifouling properties and excellent abrasion resistance. The aqueous inorganic coating agent includes colloidal silica, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, aluminum monophosphate, and water.

To provide formulations of protein molecules comprising iduronate 2-sulfatase.SOLUTION: Certain embodiments provide a pharmaceutical composition comprising a protein molecule comprising an ERT enzyme-Fc fusion polypeptide and a modified Fc polypeptide, a buffer, an isotonicity agent, a surfactant, and a stabilizer, wherein the pH of the pharmaceutical composition is about 5.5 to 7.0, and further provide methods of use thereof. In certain embodiments, the buffer is selected from the group consisting of phosphate buffer, acetate buffer, arginine buffer, and histidine buffer. In certain embodiments, the phosphate buffer is a sodium phosphate buffer or a potassium phosphate buffer.SELECTED DRAWING: None

The present invention relates to a method for producing liquid NPK fertilizer, characterized in that the reactants K2CO3 or KHCO3, NH4HCO3, and H3PO4 are reacted in an aqueous solution to produce potassium and ammonium phosphate salts, particularly K3PO4 and (NH4)3PO4; the reaction is carried out in multiple steps and includes at least one exothermic reaction and at least one endothermic reaction; and the temperature of the reaction is controlled by adjusting the amount and rate of addition of each reactant in the various steps so as to maintain the reaction mixture within a desired temperature range, preferably between 5°C and 50°C, throughout the reaction, without the need for external cooling or heating devices to control the temperature of the reaction. In a more specific embodiment, the method according to the invention is characterized in that at least one exothermic reaction comprises the reaction of K2CO3 with HO to produce KHCO3 and KOH and / or the reaction of KHCO3 with H3PO4 to produce K3PO4, CO2, and HO, and at least one endothermic reaction comprises the reaction of NH4HCO3 with H3PO4 to produce (NH4)3PO4, CO2, and HO.

The application belongs to the field of chemical analysis, and particularly relates to a method for detecting LNT II synthesized by an enzyme catalysis process, comprising the following process: in the process of synthesizing an intermediate and / or end product of LNT II by an enzyme catalysis process, the reaction solution after inactivation and protein removal is detected by HPLC-UV-RI, and the detection result is quantitatively analyzed; the chromatographic condition of the HPLC-UV-RI detection is as follows: a HILIC column of a polymer matrix, a column temperature of 50-60 DEG C, a mobile phase A of acetonitrile, a mobile phase B of a potassium phosphate dibasic aqueous solution, a concentration of the potassium phosphate dibasic aqueous solution of 40-60 mmol / L, a pH value of 6.5-7.5, and a volume ratio of the mobile phase A to the mobile phase B of (65-75):(35-25). The method provided by the application can effectively separate and accurately quantify the substrate, intermediate, end product and the like in the reaction solution in the process of synthesizing LNT II by an enzyme catalysis process.

The present invention relates to a liquid composition characterized in that it comprises: a live attenuated herpes simplex virus 1 (HSV-1); 17.5 mg / mL to 22.5 mg / mL of recombinant human serum albumin (rHSA); less than 5 mg / mL of sucrose; 26 mg / mL to 32 mg / mL of sorbitol; 13.5 mg / mL to 16 mg / mL of potassium phosphate and 3 mg / mL to 7 mg / mL of sodium chloride, wherein the liquid composition comprises no more than 0.01 mM of any of lactose, gelatin, antibiotic and free amino acids.

Disclosed is a novel active material operatable in an aqueous battery. The aqueous battery of the present disclosure includes a positive electrode, an aqueous electrolyte solution and a negative electrode. The positive electrode includes a positive electrode active material, and the negative electrode includes a negative electrode active material. One of or both the positive electrode active material and the negative electrode active material include(s) a composite oxide. The composite oxide contains Na, at least one transition metal element of Fe, Ti, Ni and Mn, and O. The aqueous electrolyte solution contains water and potassium polyphosphate dissolved in the water.

The invention discloses a microbial composition for preventing and treating vomitoxin as well as a preparation method and application of the microbial composition. The microbial composition for preventing and treating vomitoxin is mainly prepared by mixing a component I and a component II according to a mass ratio of (50.0-0.1): (50.0-99.9), the component I comprises trichoderma harzianum powder, trichoderma asperellum powder and penicillium bayi powder; and the component II comprises potassium phosphite, alkene potassium phosphate and potassium tripolyphosphate. The preparation method comprises the following steps: adding the component I and the component II into a stirrer, and stirring and mixing to obtain the coating. The invention also discloses an application of the microbial composition for preventing and treating vomitoxin. The microbial composition disclosed by the invention can generate metabolites with a biocontrol effect, has efficient inhibitory activity on fusarium, can reduce generation of vomitoxin, can effectively regulate diversity of soil microorganisms, realizes crop yield increase and soil improvement, and is green and environment-friendly. The method and application are simple, the cost is low, and the method is suitable for agricultural application.

1.The name of the design product: fertilizer bottle (seaweed mineral source potassium phosphate concentrate stock solution). 2.The use of the design product: the design product is used for packaging fertilizer bottles. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best indicates the design points: front view. 5.The design for which protection is sought contains color.

The invention belongs to the technical field of biological medicines, and particularly relates to a dissociation liquid applied to an aluminum adjuvant adsorption influenza vaccine and a method for measuring the antigen content. The dissociation liquid disclosed by the invention is prepared from a potassium phosphate salt solution, diethanol amine, TritonX-100, tween-20, dodecyl dimethyl betaine and water. The dissociation liquid is excellent in dissociation efficiency, the dissociation recovery rate of the dissociation liquid to H1N1, H3N2 and BV type influenza vaccine hemagglutinin reaches 106%-110%, the antigen activity can be effectively protected, operation is easy and convenient, adaptability is wide, a dissociated sample can be directly used for mainstream detection methods such as a one-way immunodiffusion test, an enzyme-linked immunosorbent assay and a high performance liquid chromatography method, and the dissociation liquid has good application prospects. The precise quantification of the antigen content in the aluminum adjuvant adsorption influenza vaccine is realized, and a reliable technical support is provided for vaccine quality control.

The invention provides a method for performing defluorination cyclization reaction on perfluoroalkyl tetralone and benzylamine under the promotion condition of potassium phosphate, and a series of polyfluoroalkyl pyridine compounds are synthesized. According to the reaction, six C (sp3)-F bonds of three carbon sites on a perfluoroalkyl chain are selectively activated, accurate synthesis of the fluoroalkyl-containing substituted pyridine compound is achieved, and the method has the advantages of being mild in condition, good in functional group tolerance, simple in aftertreatment, green in step, low in pollution, high in economic benefit and the like.

The application discloses a production process of electroplating grade potassium pyrophosphate, which uses potassium carbonate and diaphosphorus pentoxide as raw materials, and adds a catalyst to react in a high-pressure reaction kettle. After the reaction is completed, water is added for dissolution, and the pH value of the slurry is controlled to be 9.0-10.0. After being filtered through a precision filter, the slurry is punched into a slurry storage tank, and the slurry storage tank is maintained at 75-95 DEG C. The slurry in the storage tank is punched into an evaporation and concentration device for concentration, and then the concentrated liquid is punched into a continuous crystallization device for continuous crystallization operation. After centrifugal treatment, the filtrate is recycled into the evaporation and concentration device. The potassium pyrophosphate crystals are subjected to vacuum drying treatment in a vacuum drying equipment, and then are packaged into finished products after being crushed and sieved. The potassium pyrophosphate crystals obtained by the application have high purity, less caking phenomenon, and stable and controllable product quality.

The invention belongs to the technical field of remediation of polluted soil by a chemical method, and particularly relates to a heavy metal soil remediation agent based on a pyrolysis carbonization product and a method for preparing the heavy metal soil remediation agent from the pyrolysis carbonization product. The preparation method of the heavy metal soil remediation agent comprises the following steps: soaking with a pore-forming agent, preparing biochar, compounding silicon oxide, sulfhydrylating biochar and compounding potassium phosphate. The soil remediation agent capable of effectively reducing the concentration of the heavy metals in the soil is obtained by carrying out structure regulation and control and sulfydryl modification on the biochar, and the reduction rate of effective-state cadmium and arsenic in the soil can reach 80% or above.

The application discloses a kind of fulvic acid hydrogen peptide biological stimulant hormone fertilizer and preparation method thereof, belong to fertilizer technical field.Fertilizer is by 15~30 parts of fulvic acid, 5~12 parts of peony seed meal small molecule peptide, 20~35 parts of potassium dihydrogen phosphate and other components compound, water is made up to 100 parts, and auxiliary agent is emulsifier and chelating agent compound.Preparation first by dissolving fulvic acid, potassium phosphate in water and obtaining mixed solution, then adding small molecule peptide and auxiliary agent and stirring until the system is stable;Small molecule peptide is prepared by peony seed meal defatted powder crushing and enzymolysis, solves the problem of traditional fertilizer nutrient antagonism, unstable system, and the utilization of peony seed meal also improves resource utilization.Tomato, cucumber seedling test shows that it can significantly improve the growth index of crop root system and aboveground part, and the root-promoting and seedling-strengthening effect is better than that of similar fertilizer on the market, and the preparation process is simple, easy to industrialization, and has good agricultural application prospect.

The present invention provides an aqueous inorganic coating agent capable of forming a highly stain-resistant film on various substrates. [Solution] An aqueous inorganic coating agent comprising colloidal silica, at least one of a sodium phosphate compound and a potassium phosphate compound, boric acid, an inorganic thickener, and water.

To provide a method for reducing salt content in noodles containing sodium phosphate, while hardly affecting the texture.SOLUTION: In reducing the salt content of noodles to which sodium phosphate has been added, the sodium phosphate is replaced with potassium phosphate and sodium phosphate in such a manner that the weight ratio of potassium phosphate to sodium phosphate is adjusted to 1:0.1-4. Furthermore, potassium phosphate and sodium phosphate are added such that the total weight thereof is 80-140 wt.% relative to the weight before the salt reduction. In this way, a method for reducing salt content while hardly affecting the texture can be provided.SELECTED DRAWING: None

The application discloses a kind of polyphosphate potassium short chain polymerization degree synthesis control system and method, belong to polyphosphate potassium synthesis technical field, including the following steps: obtaining real-time synthesis state;Based on real-time synthesis state, polymerization degree prediction is carried out through prediction model;Based on predicted polymerization degree, first polymerization degree threshold value, second polymerization degree threshold value determine control decision;In response to adjustment control, optimal control sequence is solved based on objective function and constraint condition;The first step control amount in optimal control sequence is executed;Risk score decision is carried out based on the synthesis state after first step control amount execution;In response to model update decision, update prediction model parameter;In response to safety protection decision, execute safety protocol.The application has realized the technical effects of multivariable collaborative decoupling control, model adaptive updating and rectification and reducing the rate of safety accident.

A process for preparing a macroporous material comprising an active phase comprising a potassium phosphate salt and / or a cesium phosphate salt and a support comprising α-SiC silicon carbide and silica comprising the following steps: a) contacting a colloidal silica sol with a powder of a potassium and / or cesium phosphate salt to obtain a suspension; b) adding a powder of precipitated silica, a powder of α-SiC silicon carbide and a solvent to obtain a paste; c) shaping the paste to obtain a material precursor; d) drying the material precursor at a temperature between 15°C and 250°C; e) calcining the dried material precursor obtained at the end of step d) at a temperature above 250°C and below or equal to 1200°C.

The application discloses a potassium dihydrogen phosphate solution cooling crystallization device and a use method thereof, and belongs to the technical field of crystallization devices. The device comprises a cooling cavity, a cooling pipe arranged at the central bottom of the cooling cavity, two turning plates, a push rod, a power source and two connecting rods. The two turning plates are respectively arranged at the two sides of the cooling pipe and are hingedly connected with the inner bottom of the cooling cavity. The two sides of the two turning plates are sealingly matched with the inner side wall of the cooling cavity. The one end of the connecting rod is connected with the other end of the turning plate. The power source is fixedly connected with the outer wall of the cooling cavity and is drivingly connected with the other end of the push rod. The two connecting rods are symmetrically fixedly connected with the inner top of the cooling cavity. The triangular cooling cavity is hingedly connected with the free end of the connecting rod, so that the longest side of the triangular cooling cavity is adjacent to the turning plate. The feeding port is arranged in the central top region of the cooling cavity. The application has the beneficial effects of improving the cooling effect, shortening the cooling time and improving the quality of the generated potassium dihydrogen phosphate crystal.

This invention provides an aqueous inorganic coating agent that has high stain resistance and can form a film with suppressed interference fringes, and a coating method using this aqueous inorganic coating agent. [Solution] An aqueous inorganic coating agent comprising a potassium silicate compound, colloidal silica, a sodium phosphate compound, boric acid, and water, wherein the content of the potassium phosphate compound is less than 0.10% by mass of the solid content of the aqueous inorganic coating agent.

The invention relates to a process for recovering an electrolyte and co-producing potassium hexafluorophosphate, which comprises the following steps: 1) taking the electrolyte, adding potassium fluoride and potassium carbonate solid, stirring for 0.5-1.5 hours at room temperature, and then stirring for 4-6 hours at 40-50 DEG C; 2) after stirring is finished, carrying out solid-liquid separation, and recovering the solvent from the obtained filtrate in a rectification manner; 3) performing solid-liquid separation to obtain a solid, adding acetonitrile, and stirring at 20-25 DEG C for 30-60 minutes; 4) after stirring, filtering and washing to obtain a lithium fluoride solid; and carrying out rotary evaporation on the obtained filtrate at 60-70 DEG C to obtain a crude potassium hexafluorophosphate solid. According to the process, a step-by-step extraction and hydrolysis process route is adopted, operation is easy, industrial production is easy to achieve, energy consumption and cost are reduced, and the potassium hexafluorophosphate solid is produced while the electrolyte is recycled; and guidance is provided for electrolyte recovery and potassium hexafluorophosphate synthesis in the future.

The contact lens treatment solution comprises: (a) one or more potassium salts selected from the group consisting of potassium chloride, potassium citrate, potassium hydroxide, potassium borate, potassium ethylenediaminetetraacetate, and potassium phosphate; (b) an antimicrobial agent comprising alexidine or a salt or free base thereof; and (c) optionally, one or more sodium salts selected from the group consisting of sodium chloride, sodium citrate, sodium hydroxide, sodium phosphate, sodium ethylenediaminetetraacetate, and sodium borate, wherein, when one or more sodium salts are present, the one or more potassium salts are present in an amount greater than the amount of the one or more sodium salts.

The invention discloses a method for constructing indolone compounds based on free radical mediated 1, 4-cyano migration, desulfurization and cyclization, and the method comprises the following steps: mixing 2-cyano-N, 2-dimethyl-N-(phenylsulfonyl) hex-5-enamide compounds, bromo-ester compounds, a photocatalyst and potassium phosphate in an organic solvent under a protective atmosphere, and carrying out a reaction under a protective atmosphere to obtain the indolone compounds. And carrying out 1, 4-cyano migration, desulfurization and cyclization reaction under an illumination condition to obtain the indolone compound. According to the present invention, based on the visible light catalysis non-activated olefin cyclization strategy, the carbon-sulfur bond breakage and the carbon-carbon bond formation are successfully achieved through the one-pot method, and the 1, 4-cyano group migration, desulfurization and cyclization are successfully synthesized to construct the indolone compound; the preparation method has the characteristics of mild conditions, stable and easily available raw materials, good compatibility with various functional groups and the like, and has practical application value.

The invention belongs to the technical field of lithium battery fire extinguishing materials, and particularly relates to an inorganic fullerene type sulfide-containing potassium-based fire extinguishing agent for lithium battery fire disasters, which comprises the following components: inorganic fullerene type sulfide, a mixture of polysiloxane and polyimide, a mixture of potassium carbonate and potassium phosphate, and alumina nanoparticles, a polyethylene glycol dispersant; wherein the inorganic fullerene type sulfide is inorganic fullerene type tungsten disulfide IF-WS2 or inorganic fullerene type molybdenum disulfide IF-MoS2 or a mixture of the inorganic fullerene type tungsten disulfide IF-WS2 and the inorganic fullerene type molybdenum disulfide IF-MoS2. The inorganic fullerene type IF-WS2 and / or IF-MoS2 are / is introduced into the fire extinguishing agent, and the combination technology of the potassium-based compound (potassium carbonate and potassium phosphate) and the polymer matrix (polysiloxane and polyimide) is combined, so that the comprehensive performance of the fire extinguishing agent in a lithium battery fire disaster is remarkably improved, and the fire extinguishing requirements of various scenes are met; and the fire prevention and control safety of the lithium battery is fundamentally improved.

The invention belongs to the field of functional materials and water treatment, and provides a preparation method of organic phosphonic acid functionalized super-crosslinked chitosan hydrogel, which comprises the following steps: dissolving chitosan in an alkali solution to obtain a chitosan suspension; adding benzaldehyde into the chitosan suspension, and carrying out condensation reaction to obtain a modified chitosan suspension; reacting the modified chitosan suspension with a quinary organic phosphonic acid solution to obtain an organic phosphonic acid functionalized chitosan solution; adding a potassium tripolyphosphate solution into the organic phosphonic acid functionalized chitosan solution, carrying out a cross-linking reaction, carrying out alcohol precipitation after the reaction is completed, carrying out solid-liquid separation, and collecting a precipitate; dispersing the precipitate in water to obtain a suspension; and uniformly mixing the suspension with a sodium alginate solution and a calcium salt solution, and carrying out a cross-linking reaction to obtain the quinary organic phosphonic acid functionalized super-crosslinked chitosan hydrogel. An organic phosphonic acid group and a C-P covalent bond are successfully introduced into a chitosan molecular chain, the morphology structure of original chitosan powder is greatly improved, adsorption sites on the chitosan molecular chain are enriched, and efficient application of chitosan in uranium-containing wastewater is remarkably improved.

The application discloses a kind of antifreeze for preventing and treating late frost injury of forsythia suspensa and its preparation method and application, belong to antifreeze technical field.The antifreeze for preventing and treating late frost injury of forsythia suspensa is prepared by using potassium phosphate, brassinolide, boron, amino acid and saccharide, and the cell freezing point is reduced by using potassium phosphate and saccharide for osmotic regulation, ice crystal formation is inhibited, while boron and amino acid jointly stabilize cell membrane and cell wall structure, and mechanical damage caused by low temperature is reduced;Brassinolide as key regulatory signal, can activate the antioxidant enzyme system in vivo, effectively remove active oxygen accumulated under low temperature stress, and relieve oxidative damage;Amino acid and saccharide provide direct nutrition and energy support for flowering period, promote the accumulation of protective substances, and maintain metabolic balance.Each component is synergized through multiple pathways of "osmotic protection-structure reinforcement-oxidative defense-metabolic support", so that the overall cold resistance is significantly improved.