18 results about "Boron phosphate" patented technology

Exemplary methods and techniques anodize a metallic substrate. Exemplary metallic substrates may include aluminum or aluminum alloys. The formation of a metal oxide layer on the metallic substrate may occur in an electrolytic system. Exemplary electrolytic systems may comprise at least one electrode connected to a voltage-generating device and an aqueous acid solution. Exemplary aqueous acid solutions may comprise phosphoric acid, boric acid, and water.

The present invention relates to a process for the preparation of boron phosphide, more specifically BP and / or B12P2, comprising the mechanochemical reaction of boron phosphate (BPO4) with at least one alkaline earth metal (EA). In particular, the process of the invention allows the selective preparation of BP or B12P2 with a purity greater than 95%, by reducing boron phosphate (BPO4) with at least one alkaline earth metal (EA) according to reaction (1) for BP and according to reaction (2) for B12P2: BPO4 + 4 EA -> BP + 4 EA(O) (1) 2BPO4 + 5 (EA)B2 + 3 EA -> B12P2 + 8 EA(O) (2). The present invention also relates to boron phosphide powders, in particular BP or B12P2 powders, of nanometric or micrometric size.

A granular fertilizer product having at least two sources of boron having different solubilities to tailor boron availability during the entire growing season of a plant, while reducing the risk of boron toxicity. A first source of boron can include a sodium-based or highly water soluble boron compound such as sodium tetraborate and / or boric acid, while a second source of boron can include a calcium-based boron compound such as colemanite (CaB3O4(OH)3·(H2O)) (e.g. when the carrier fertilizer is N- or K-based) and / or boron phosphate (BPO4) (e.g., when the carrier fertilizer is P-based). The solubility of the first source of boron is higher than the solubility of the second source of boron such that the sources of boron have different release rates into the soil.

The application discloses a boron-phosphorus synergistic chitosan-based single-component intumescent flame retardant, a preparation method thereof and application of the chitosan-based single-component intumescent flame retardant in rigid polyurethane foam. The chitosan-based single-component intumescent flame retardant is prepared by using chitosan, self-made boron phosphate and melamine as raw materials, through ion exchange reaction and esterification reaction combination, and by adopting a one-pot method, and the chitosan-based single-component intumescent flame retardant is a boron-containing chitosan-based single-component intumescent flame retardant integrating an acid source (boron phosphate), a carbon source (chitosan) and a gas source (melamine). The synthesis of the flame retardant is completed in an aqueous phase, the preparation process is simple, raw material sources are extensive, the flame retardant has good thermal stability and good compatibility with RPUF, and the flame-retarding synergistic effect between B and P can be fully exerted by adjusting the boron-phosphorus ratio, the flame-retarding efficiency is greatly improved, and therefore the chitosan-based single-component intumescent flame retardant has a wide application prospect in flame-retarding RPUF.

The present application relates to the technical field of positive electrode materials of batteries, and provides a lithium iron borate phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The chemical general formula of the lithium iron borate phosphate positive electrode material is LixFeTiyPzBwO(4z+3w+2y) / C, wherein x, y, z, and w are all non-zero positive numbers, 1.02≤x≤1.05, 0.01≤y≤0.05, 0.92≤z≤0.95, and 0.05≤w≤0.15, and on the basis of the mass of the lithium iron borate phosphate positive electrode material being 100%, the mass content of C is 1.00% to 1.35%. The lithium iron borate phosphate positive electrode material provided by the present application has a low price, excellent ionic conductivity, high capacity, excellent rate performance, and improved cycling stability, and thus has wide prospects for application.

The invention belongs to the technical field of energy storage and conversion, discloses amorphous boron-phosphorus co-doped cobalt-molybdenum sulfide as well as a preparation method and application thereof, and aims to solve the technical problem of relatively poor electrochemical performance of CoMoS4. The preparation method comprises the following steps: adding cobalt salt, molybdenum salt, urea and boron phosphate into deionized water to obtain a solution A; foamed nickel is placed in the solution A, and a boron-phosphorus co-doped cobalt-molybdenum precursor is obtained through a hydrothermal reaction; and placing the boron-phosphorus co-doped cobalt-molybdenum precursor in an aqueous solution of a vulcanizing agent, and carrying out a secondary hydrothermal reaction to obtain BP-CoMoS4. Boron-phosphorus co-doping can promote formation of an amorphous region structure, more active sites are exposed, and the conductivity of the CoMoS4 material is improved. The amorphous BP-CoMoS4 is low in price, simple and convenient to prepare and easy to apply and industrialize on a large scale, and a new strategy is provided for developing high-performance bimetallic sulfide which is simultaneously suitable for a supercapacitor and an alkaline DMFC anode catalyst.

A method for preparing amidines or derivatives thereof includes the step of subjecting N-(amino-alkyl) lactams to dehydration in the presence of a heterogeneous catalyst chosen from a Lewis acid, Lewis acids with Bronsted acid or Bronsted acid components such as cerium oxide catalysts; boron phosphates, cerium, zirconium; other zirconium salts; modified zirconium oxides; and phosphotungstic acid.

The invention discloses a composite solid electrolyte as well as a preparation method and application thereof, and belongs to the technical field of solid electrolytes of lithium ion batteries. The composite solid electrolyte is composed of a high-entropy oxide and lithium borophosphate, wherein the high-entropy oxide comprises a chemical formula of Li < 3 + x + 2y > Zr < 2-x-y > M < x > N < y > Si < 2 > PO < 12 > and Li < 3 > La (PO4) 2. The preparation method comprises the steps of solution mixing, sol-gel, microwave drying and low-temperature sintering at the temperature of 450-600 DEG C. The invention also provides an all-solid-state lithium battery containing the electrolyte. According to the invention, the problems of high sintering temperature and large interface resistance in the prior art are solved, the electrolyte with high density and high ionic conductivity can be obtained at low temperature, the electrode interface contact is improved, lithium dendrites are effectively inhibited, and the critical current density and safety of the battery are improved.

This invention discloses a water-resistant fireproof coating for steel structures, its preparation method, and its application. The fireproof coating consists of component A and component B. Component A is composed of the following raw materials: phosphate ester, dispersant, defoamer, epoxy resin, modified ammonium polyphosphate, pentaerythritol, boron phosphate, nickel hydroxide, colloidal graphite, and carbon fiber. Component B is composed of the following raw materials: dispersant, defoamer, epoxy resin curing agent, zinc borate, titanium dioxide, melamine, silica, and glass fiber. This invention addresses the problem of poor water resistance in fireproof coatings for steel structures by using a coating modification treatment on the ammonium polyphosphate in the coating, which significantly reduces the hydrolysis ability of the ammonium polyphosphate and provides excellent waterproofing. Applying the modified ammonium polyphosphate to the above-mentioned fireproof coating produces a thin-film fireproof coating for steel structures that combines fireproof and heat-insulating properties with water resistance.

The invention discloses rare earth element Dy / Tb / Eu co-doped aluminum borophosphate tunable luminescent glass, and a preparation method and application thereof, the luminescent glass can realize luminescence tuning from a yellow green area to an orange red area under excitation of light with different wavelengths, has good luminescence stability and thermal stability, and can be widely applied to the fields of WLED or solid-state illumination luminescence and the like. The rare earth element Dy / Tb / Eu co-doped aluminum borophosphate tunable luminescent glass disclosed by the invention is prepared from the following raw materials in percentage by mass: 50.0 to 60.0 percent of P2O5, 15.0 to 25.0 percent of H3BO3, 10.0 to 20.0 percent of Al2O3, 1.0 to 6.0 percent of Li2CO3, 1.0 to 7.5 percent of K2CO3, 0.5 to 3.0 percent of Gd2O3, 0.5 to 1.0 percent of Dy2O3, 0.1 to 0.5 percent of Tb4O7 and 0.3 to 0.9 percent of Eu2O3.

The invention discloses a composite binder for metallized pellets of a rotary hearth furnace, which comprises the following components in percentage by mass: 15-40% of organic matter which is formed by compounding 10-30% of high-molecular polymer, 3-10% of starch and 2-8% of modified lignin; 20%-40% of bentonite which is a mixture of calcium bentonite and sodium bentonite in proportion; the slag blender is formed by compounding at least two of 10%-30% of sodium silicate, 5%-20% of sodium sulfate, 5%-15% of magnesium sulfate, 3%-10% of sodium hydroxide and 3%-10% of sodium bicarbonate; 0.5%-5% of a surfactant which is a mixture of at least two of 0.3%-3% of lignin sodium carbonate, 0.2%-2% of lignin calcium carbonate, 0.1%-1% of sodium humate, 0.1%-1% of tripolyphosphate and 0.1%-1% of sodium borate; the high molecular material, the bentonite and the slag blender are polymerized to form the high molecular material bentonite slag blender. The pressure of concentrated release of steam in the roasting process is reduced, the phenomena of burst and pulverization of pellets are reduced, the pelletizing rate and the yield of fine powder such as zinc are increased, and the production requirements of the metallurgical industry are met.

The application relates to the technical field of benzenedicarbonitrile and discloses a method for hydrogenating benzenedicarbonitrile, which comprises the following steps: (1) in the presence of a supported acid catalyst, carrying out a dehydration reaction on cyanobenzamide in benzenedicarbonitrile containing cyanobenzamide; wherein the supported acid catalyst comprises a first carrier and an acid component supported on the first carrier, and the acid component comprises at least one of phosphoric acid, boric acid and C2-C6 organic acid; (2) in the presence of a hydrogenation catalyst and optional ammonia, contacting the product obtained through the dehydration reaction in step (1) with hydrogen to carry out a hydrogenation reaction. By taking the supported acid catalyst containing a specific acid component as the catalyst for the dehydration reaction of cyanobenzamide, the application can effectively remove the impurity cyanobenzamide in the benzenedicarbonitrile and make the cyanobenzamide generate the benzenedicarbonitrile, and the method disclosed by the application can effectively prolong the service life of the hydrogenation catalyst.

The invention relates to the technical field of lubricating oil, in particular to mine truck hub reduction gear lubricating oil. The lubricating oil is prepared from the following components in parts by mass: CTL base oil, high-pressure sulfur alkene, normal-pressure sulfur alkene, a benzotriazole derivative, tricresyl phosphate, triphenyl thiophosphate, acidic phosphate octadecylamine salt, boronized phosphate hexadecylamine salt, an antirust agent, a boronized ashless dispersant, a phenol type antioxidant and an amine type antioxidant. According to the invention, the performance level of an international top-level product is reached, the key actual working condition adaptability, long-acting stability and comprehensive protection capability are improved, and an efficient, stable, long-life and energy-saving lubrication solution is provided for the mining hub reduction gear.

The invention discloses a supported catalyst as well as a preparation method and application thereof. The supported catalyst comprises a carbon material-mineral material composite carrier, an active component is supported on the carbon material-mineral material composite carrier, and the active component comprises boron phosphate. The supported catalyst has high catalytic activity, can realize excellent conversion rate, selectivity and yield for pure feed gas or impurity-containing feed gas, has excellent stability, can ensure no inactivation in a continuous reaction process (the operation cycle is at least 30 days), and is low in cost, cheap and easily available in raw materials, simple and environment-friendly in preparation and suitable for large-scale production.

The present application relates to the technical field of organic phase change material, and more particularly to an intrinsic flame-retardant solid-solid phase change material, a preparation method thereof, a battery module and application thereof.The preparation raw material of the intrinsic flame-retardant solid-solid phase change material comprises a boron phosphate ester of a phase change substance with a hydroxyl group, expanded graphite, an amino-containing flame retardant and an isocyanate compound; and the preparation raw material of the boron phosphate ester of the phase change substance with a hydroxyl group comprises a phase change substance with a hydroxyl group, boric acid and diphosphorus pentoxide.The intrinsic flame-retardant solid-solid phase change material has the advantages of flame retardation, mechanics and thermal stability.

The present application relates to the technical field of lubricating oil, and more particularly to a mine truck wheel edge reducer lubricating oil. The lubricating oil comprises the following components in mass fraction: CTL base oil, high-pressure sulfur olefin, atmospheric sulfur olefin, benzene triazole derivative, phosphoric acid trimethyl phenol ester, triphenyl phosphorothioate, acidic phosphate ester octadecylamine salt, boron phosphate ester hexadecylamine salt, antirust agent, boronized ashless dispersant, phenolic antioxidant and amine antioxidant. The present application not only reaches the performance level of international top products, but also realizes improvement in key actual working condition adaptability, long-term stability and comprehensive protection capability, thereby providing a high-efficiency, stable, long-service-life and energy-saving lubricating solution for mine wheel edge reducers.

The present application belongs to the field of new type tobacco material, and particularly relates to a nicotine modulator for improving nicotine release uniformity of new type tobacco product, which comprises component A and component B, the component A is at least one of tannic acid, proline, caffeic acid and pyruvic acid; the component B is at least one of phosphoric acid and boric acid. The present application also provides a new type tobacco product containing the nicotine modulator and a thick slurry and a sheet thereof. The process of the present application can unexpectedly realize synergy based on the combined control of the nicotine modulator, and can significantly improve the nicotine release uniformity of the new type tobacco thick slurry and sheet.

This invention relates to the field of high-sensitivity radiation detection technology, specifically disclosing a method for preparing silver-doped boron phosphate glass sheets and their applications. The invention involves mixing, degassing, and melting the component raw material powders, pouring the molten glass into a preheated graphite mold, and then annealing, grinding, polishing, and cutting to obtain silver-doped boron phosphate glass sheets. By precisely controlling the P:B ratio and annealing process, this invention introduces B-O-P bridging and B-O-B structures at the glass network structure level, significantly improving the structural and environmental stability of the glass and overcoming the technical defects of existing silver-doped phosphate glasses, such as easy hydrolysis and fragility. The prepared glass sheets exhibit excellent photoluminescence properties, with a good linear relationship between luminescence intensity and radiation dose in the 0-50 Gy dose range, and possess neutron detection potential. They can be applied in fields such as radiation monitoring, high spatial resolution X-ray imaging, non-destructive testing, biomedical imaging, and encryption and anti-counterfeiting technologies.