45 results about "Calcium Binder" patented technology

The invention discloses a high-temperature-resistant coating for an unmanned aerial vehicle and the unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, the high-temperature-resistant coating comprises a bottom layer, a middle layer and a top layer, the bottom layer comprises a modified polyimide resin and nanometer aluminum oxide compound, and the middle layer comprises hollow ceramic microbeads, boron nitride nanosheets and a phosphate binder; and the top layer comprises a silicon carbide composite ceramic sol layer. According to the invention, the multi-stage thermal barrier layer is constructed to prevent body parts, components and a flight control system of the unmanned aerial vehicle from losing efficacy in a high-temperature environment, so that the unmanned aerial vehicle is ensured to work stably and reliably in the high-temperature environment; a protection structure is arranged, so that the unmanned aerial vehicle body is protected through a parachute when the unmanned aerial vehicle is powered off or other sudden faults occur, and the unmanned aerial vehicle body is prevented from being damaged by high-altitude direct falling; and a release structure is arranged to release transported articles such as fire extinguishing agents, so that the overall weight of the unmanned aerial vehicle is reduced, and the damage to the unmanned aerial vehicle when the unmanned aerial vehicle falls due to overweight is effectively reduced.

The invention discloses a phosphate binder and a preparation method thereof, the phosphate binder is sucrose iron oxyhydroxide containing iron oxyhydroxide (III), sucrose and a mixture of one or more starches, the particle size range D50 of the sucrose iron oxyhydroxide is controlled to be 30.5-39.5 [mu] m or D90 is less than 200 [mu] m, so that tailing loss and material wall sticking in a spray drying process can be effectively reduced; the high yield of about 90% is obtained, and the iron release amount and the drying weight loss ratio are both superior to those of a small-particle-size group (D50lt; 30.5 [mu] m) and a large particle size group (D50gt; 39.5 [mu] m) or D90 is greater than 200 [mu] m, so that the stability of the pharmaceutical composition is improved; according to the preparation method disclosed by the invention, the D50 particle size distribution of the sucrose iron oxyhydroxide is controlled within a range of 30.5-39.5 microns or D90 less than 200 microns by regulating and controlling the solid content of the aqueous suspension of the iron oxyhydroxide (III), the sucrose and the starch, so that the product is high in yield and good in quality, and the economic value of industrial production of the product is greatly improved.

A high-toughness magnesium-calcium binder mortar material from multi-component high-salinity solid waste and a preparation method thereof are provided. Raw materials of the high-toughness magnesium-calcium binder mortar material from multi-component high-salinity solid waste include a dry powder mortar material, a shrinkage reducing agent, a water reducing agent and fibers, where an addition amount of the fibers is 1.0-2.0% of a mass of the dry powder mortar material; where in parts by weight, the dry powder mortar material includes: 28-40 parts of aging mixture, 10-15 parts of industrial solid waste gypsum, 5-8 parts of light burned magnesium oxide, 2-5 parts of high alumina cement, 3-8 parts of rubber powder and 30-40 parts of artificial fine sand; and where in parts by weight, the aging mixture includes 50-70 parts of municipal solid waste incineration (MSWI) fly ash and 30-50 parts of magnesite, as well as aluminum dihydrogen phosphate solution and phosphogypsum leachate.

The application discloses a phosphate-based dry film lubricating coating and preparation and application thereof. The coating is obtained by curing components with the following mass fractions, wherein the components consist of the following ingredients: phosphate binder 15-18 parts, sulfide 3-5 parts, silver powder 4-6 parts, oxygen-containing acid salt 1.5-3.5 parts, and metal oxide 0.2-0.32 parts, antioxidant 0.6-1.2 parts, and surfactant 0.1-0.2 parts, and the rest is solvent. The application solves the problems of weak adhesion between the existing coating and the substrate, wide temperature range lubrication from room temperature to 800 DEG C, large friction coefficient, short wear life and high cost. The coating has good adhesion to the substrate material, excellent flexibility and impact resistance, is environment-friendly, low-cost and has excellent friction-reducing and wear-resisting performance, has a low friction coefficient from room temperature to 800 DEG C, especially a friction coefficient < 0.16 at 800 DEG C, and has a long wear life.

The invention discloses a functional filler, a corrosion-resistant wear-resistant self-repairing inorganic phosphate ceramic coating and a preparation method of the corrosion-resistant wear-resistant self-repairing inorganic phosphate ceramic coating, and belongs to the technical field of material surface modification. The MC-coated Ti < 3 > C < 2 > T < x > MXene corrosion-resistant wear-resistant self-repairing functional material is prepared by adopting a one-pot method, microcapsules embedded with a 1H, 1H, 2H, 2H-perfluorodecyl triethoxy silane repairing agent are generated in situ on the surfaces of Ti < 3 > C < 2 > T < x > MXene nanosheets, and a multi-scale heterostructure constructed by the microcapsules and the Ti < 3 > C < 2 > T < x > MXene nanosheets can effectively improve the interlayer agglomeration problem of the Ti < 3 > C < 2 > T < x > MXene nanosheets, so that the corrosion-resistant wear-resistant self-repairing functional material can be used for repairing the corrosion-resistant wear-resistant self-repairing functional material. And the dispersity and compatibility of the coating in a phosphate binder are greatly improved, so that the wear resistance and corrosion resistance of the coating are improved.

The invention discloses a self-cleaning nano coating of photovoltaic glass, and aims to provide a self-cleaning nano coating special for photovoltaic module glass so as to improve the long-term effectiveness, high light transmission, wear resistance and weather resistance of a module, reduce the maintenance cost and improve the power generation efficiency. The nano coating is composed of the following components in percentage by mass: 30%-45% of a phosphate binder, 8%-15% of hollow silicon dioxide nanoparticles, 5%-12% of modified antimony-doped tin oxide nano sol, 1%-3% of a silane coupling agent and the balance of water, belongs to the technical field of fine chemical engineering.

Support for firing a ceramic powder comprising an alkali metal oxide and / or alkaline-earth metal oxide, said support comprising a porous ceramic body forming a cavity or a container for said powder, said porous body being coated on at least part of its inner surface with a ceramic coating, wherein said porous ceramic body has an open porosity of between 10% and 40% and a median equivalent pore diameter of between 0.1 and 30 micrometers and said ceramic coating comprises grains comprising a crystalline borocarbonitride phase, a binder phase of said grains comprising a non-alkali metal phosphate and preferably ceramic oxide grains or one or more ceramic oxide phases.

The invention belongs to the technical field of phosphate binders, and discloses a magnesium phosphate inorganic adhesive and a preparation method and application thereof, the magnesium phosphate inorganic adhesive comprises the following components by mass: 100 parts of dead burned magnesium oxide, 45-80 parts of potassium dihydrogen phosphate, 1-5 parts of an organic acid metal chelating agent, 1-5 parts of potassium hydroxide, 1-4 parts of borax, 0.7-1.5 parts of calcium chloride hexahydrate, 0.4-0.6 part of barium hydroxide octahydrate, and 20-32 parts of water. The magnesium phosphate inorganic adhesive is modified on the basis of raw material selection and mix proportion design, so that the coagulation time and fluidity of the magnesium phosphate inorganic adhesive are greatly improved, and the problems that the traditional magnesium phosphate inorganic adhesive is short in coagulation time and poor in fluidity, and cannot meet the construction requirements of the adhesive on sufficient infiltration and spreading of carbon fiber cloth are solved; the construction workability of the magnesium phosphate inorganic adhesive serving as the adhesive for reinforcing the carbon fiber cloth is guaranteed, and the magnesium phosphate inorganic adhesive can be applied to the field of reinforcing and repairing of large-quantity and wide-area concrete structures.

A sealing system includes a shaft, a rotor configured to rotate with respect to the shaft, and a carbon-carbon composite seal ring arranged around the shaft such that it seals against the rotor. The carbon-carbon composite seal ring includes a monoaluminum phosphate binder layer disposed on at least one surface of the carbon-carbon composite seal ring and a ceramic layer disposed over the monoaluminum phosphate binder layer on the least one surface of the carbon-carbon composite seal ring. A method of manufacturing a seal is also disclosed.

Compositions and principles for use before parturition in the prophylactic treatment of hypocalcemia in ruminant animals include compositions having phosphate binders for the prophylactic treatment of parturient hypocalcemia in ruminant animals. These compositions are presented in unit dosage forms, with one or more doses administered daily to the gastrointestinal tract of the ruminant animal, or in wet form. The composition contains one or more phosphate binders and one or more nutrients selected from minerals, vitamins, and amino acids, as well as a composition that includes an inhibitor of the small intestinal Na-phosphate transporter for the prophylactic treatment of parturient hypocalcemia in ruminant animals. Phosphate binders are selected from aluminum, iron, sevelamer, and lanthanum salts, with either inorganic or organic acids, hydrates thereof, or any mixture thereof.

The invention belongs to the field of phosphate binders, and relates to a straight-chain saturated aliphatic dicarboxylic acid-iron (III) compound, a preparation method and application thereof, in particular to application of the straight-chain saturated aliphatic dicarboxylic acid-iron (III) compound in preparation of drugs for treating or preventing hyperphosphatemia. The molar ratio of iron element to dicarboxylic acid in the dicarboxylic acid-iron (III) compound is 1: (0.8-1.2), the dicarboxylic acid is straight-chain saturated aliphatic dicarboxylic acid, and the compound is prepared by reacting ferric salt and dicarboxylate in a solvent. An in-vitro phosphorus binding experiment proves that the dicarboxylic acid-iron (III) compound disclosed by the invention is high in phosphorus binding amount of iron per unit mass in a pH range of 3-7, can also keep very high phosphorus binding capacity of iron per unit mass in an animal body, and is obviously superior to commercially available sucrose iron oxyhydroxide chewable tablets. As an oral phosphorus binding agent, the compound disclosed by the invention is stronger in phosphorus binding capacity of unit mass of iron in vivo, high in iron utilization rate, small in total dosage of iron element and lower in adverse reaction.

The invention discloses durable earthenware pot glaze slurry and an earthenware pot glazing and firing method. The earthenware pot glaze slurry is prepared from dihydrogen phosphate intercalated hydrotalcite, kaolin, potassium feldspar, borax, magnesium oxide and water. According to the invention, dihydrogen phosphate intercalated hydrotalcite is used as a main material for preparing the earthen pot glaze for the first time, and a compact and smooth specially-made glaze surface is prepared by utilizing the bonding assisting effect of an aluminum dihydrogen phosphate binder in the sintering process and specially-made acidic pores in the sintering process and matching with a specially-made salt boiling process; the glaze is soft and moist in color, smooth and compact in hand feeling, durable and resistant to dry burning, has the dry burning resistance and health care value of a marmite, and has wide market application prospects.

The application discloses a lubricating coating for high-temperature fasteners and a preparation method and application thereof. The lubricating coating is prepared by using inorganic phosphate as a binder, nano boron nitride, silver powder, molybdenum disulfide and tungsten disulfide as composite lubricants, antimony trioxide as an antioxidant, nano silicon dioxide as a phosphate binder reinforcing agent, water and anhydrous ethanol as a dispersion medium, and propargyl alcohol as a corrosion inhibitor. The coating is immersed or sprayed on the fastener, and a coating is formed after a certain curing condition. The coating has good adhesion, flexibility and impact resistance, and has no corrosion defects such as pitting, cracking and bubbling after an acetate salt spray test (AASS) for 240 hours. According to the locking torque test in accordance with HB 7687-2001, the locking torque requirement is met after 15 cycles at room temperature and 5 times of warm loading and then air cooling to room temperature. The application has a good application prospect in the field of high-temperature fastener coatings.

To provide a refractory material for patching, which exhibits superior adhesion, anti-cracking effect, ease of trowel release, and storage stability, even with no use or significantly reduced use of a phosphate binder.SOLUTION: A refractory material for patching comprises a refractory aggregate, a refractory clay, and cellulose fibers having an average fiber length of 150 to 2000 μm. The content of the cellulose fibers is 0.3 to 40 wt.% externally calculated, with the sum of the refractory aggregate and the refractory clay being 100 wt.% (where the upper limit is 20 wt.% when the average fiber length of the cellulose fibers is more than 800 μm and 1400 μm or less, and the upper limit is 8 wt.% when the average fiber length of the cellulose fibers is more than 1400 μm and 2000 μm or less).SELECTED DRAWING: Figure 4(a)

The invention discloses a room temperature cured sandstone powder filled aluminum polyphosphate adhesive and a method and application thereof, and belongs to the technical field of inorganic adhesive preparation methods, the method comprises the following steps: mixing phosphoric acid with deionized water to prepare a phosphoric acid solution; aluminum hydroxide powder is added into a phosphoric acid solution, and aluminum polyphosphate sol is obtained after heating and stirring reaction; and adding the sandstone powder into the aluminum polyphosphate sol, and continuously stirring to react until the viscosity is enough, so as to obtain the sandstone powder filled phosphate binder. Sandstone powder with the same physical and chemical composition as a sandstone base material body is used as a filler, the polymerization degree and cross-linked network of polyphosphate are regulated and controlled, the flexibility and thermal shock resistance of an adhesive layer can be improved, the tensile property of the adhesive layer is further improved, meanwhile, the curing temperature of the adhesive can be reduced, room-temperature curing is achieved, the preparation process is simple, and the cost is low. And the problems of aging performance, compatibility, chromatic aberration and the like are effectively solved.

The present invention provides a lithographic printing ink composition that emulsifies quickly and does not experience a decrease in torque after emulsification. [Solution] A lithographic printing ink composition comprising a pigment, calcium carbonate, binder resin, petroleum-based solvent, and vegetable oil, characterized in that it is (1) to (3) as described below. (1) Contains polypropylene polyol, and the polypropylene polyol content in the lithographic printing ink composition is 0.01 to 5.0 parts by weight. (2) The pigment contains a disazo-based yellow pigment, and the pigment content in the lithographic printing ink composition is 5 to 15% by mass. (3) The calcium carbonate has a primary particle size of 0.02 to 0.10 μm, and its surface is treated with rosin acid and / or resin acid / fatty acid, and the content of the calcium carbonate in the lithographic printing ink composition is 1 to 30% by mass.

The invention belongs to the technical field of refractory castable materials, and particularly relates to a castable material used at a wall position of an aluminum smelting furnace. The castable comprises the following raw material components: coarse aggregate corundum, coarse aggregate silicon carbide, fine aggregate silicon carbide, alumina micro powder, a phosphate binder, stainless steel explosion-proof fibers and heat-conducting fibers. The casting material at least has the beneficial effects that slag is not prone to adhering to the wall position casting material, then the cleanliness and quality of molten aluminum are improved, and the effective service life of the casting material is prolonged.

The invention relates to a fire-resistant and wear-resistant coating for a circulating fluidized bed boiler and a preparation method of the fire-resistant and wear-resistant coating. Comprising 40-50 parts by weight of white corundum, 5-15 parts by weight of modified fused mullite, 1-3 parts by weight of stainless steel short fibers, 1-3 parts by weight of a self-lubricating material, 3-5 parts by weight of silica powder, 3-5 parts by weight of a phosphate binder solution, 0.1-0.5 part by weight of a dispersant aqueous solution, 5-10 parts by weight of a plasticizer and 5-8 parts by weight of water. And cracking and falling are not prone to occurring.

The invention provides refractory mortar for a sliding nozzle and a preparation method of the refractory mortar, and belongs to the technical field of refractory materials, and the preparation method comprises the following steps: uniformly mixing aluminum hydroxide, water and phosphoric acid, heating for reaction, heating, adding boric acid, malic acid, tartaric acid and triethanolamine for continuous reaction, cooling to room temperature, and filtering to obtain a modified phosphate binder; the preparation method comprises the following steps: uniformly mixing zirconium powder and crystalline flake graphite, adding potassium chloride and sodium chloride, mixing and stirring, heating and reacting in inert gas, cooling, washing and drying to obtain a nanocrystalline ZrC coating graphite material; and ball-milling and mixing fused magnesite, silicon powder and Al-Si alloy powder, adding the modified magnesium aggregate, the nanocrystalline ZrC coating graphite material and the modified phosphate binder, uniformly mixing, discharging and packaging to obtain the refractory mortar for the sliding nozzle. The thermal shock resistance and slag corrosion resistance of the refractory mortar for the sliding nozzle can be improved.

The present application relates to a kind of active and passive integrated fireproof insulation board and its preparation method, including n passive fireproof layer and n or n+1 active fireproof layer;Passive fireproof layer and active fireproof layer are integrated;Passive fireproof layer includes inorganic fiber felt and aerogel;Aerogel is obtained by curing adhesive aerogel stock solution, stock solution includes: 1000-4000 parts of silica sol by mass, silicate 50-150 parts, phosphate binder 10-50 parts, quicklime 5-20 parts, titanium white 5-50 parts, calcium stearate 10-50 parts, hydrophobic modifier 5-50 parts, acid-base regulator 5-50 parts and solvent 1000-4000 parts;Active fireproof layer is at least one of inorganic fireproof board material with heat decomposition active energy consumption, such as gypsum fireproof board.The present application solves the problems such as high organic content, poor flame retardance, high hygroscopicity and significant decline in thermal insulation performance and safety after use in existing fireproof insulation board.

The present application discloses compositions and principles for the prophylactic treatment of hypocalcemia in ruminants (e.g., cattle) prior to childbirth, i.e. Compositions comprising one or more phosphate binding agents for the prophylactic treatment of parturient hypocalcemia in ruminants (e.g., cattle), e.g., where the compositions are in one or more unit dosage forms, e.g., in one or more unit dosage forms. And wherein one or more unit dosage forms of the composition are manually administered per day to the gastrointestinal tract of the ruminant, or wherein the composition is provided in wet form. The present application also discloses compositions comprising one or more phosphate binding agents and one or more nutrients selected from the group consisting of minerals, vitamins and amino acids, and compositions comprising inhibitors of the small intestine Na-phosphate transporter for use in the prophylactic treatment of parturient hypocalcemia in ruminants, such as cattle. The phosphate binder is selected from aluminum salts, ferric salts, sevelamer salts and lanthanum salts formed with inorganic or organic acids, hydrates thereof or any mixture thereof.

The present application provides a lubricating coating based on silane-modified aluminum chromate phosphate, a preparation method thereof, a formed lubricating coating, and a preparation method of the lubricating coating. The lubricating coating comprises the following components: a lubricant, which includes 5-10% of metal sulfide, 5-10% of boron nitride, and 5-15% of graphite; a binder, which is 11-25% of a silane-modified aluminum chromate phosphate binder; 1-5% of an antioxidant; a toughening and anti-wear agent, which includes 5-10% of an anti-wear agent and 5-15% of an anti-wear filler, and the anti-wear filler is a metal oxide. The lubricating coating further comprises pyrroloquinoline quinone and aluminum dihydroxyglycinate, and the weight ratio of pyrroloquinoline quinone, aluminum dihydroxyglycinate to the lubricant is 0.5-1:0.1-0.2:1. The lubricating coating is formed by coating the lubricating coating on a metal surface and then curing it by heating. The lubricating coating of the present application can significantly improve the friction reduction and anti-wear performance of the metal surface in the wide temperature range of 20-600 °C.

The present invention is related to a novel pharmaceutical product containing iron and meglumine. In certain embodiments, the present invention is related to a novel injectable dosage form comprising ferric meglumine as a parenteral iron supplement to treat iron deficiency anemia. In certain embodiments, the present invention is related to a novel oral dosage form comprising ferric meglumine as iron supplement and / or phosphate binder.

The present invention relates to a phosphate binder and its use for the treatment of hyperphosphatemia. The phosphate binding agent at least comprises at least one guanidino-containing cross-linked polymer or a pharmaceutically acceptable salt thereof, the guanidino-containing cross-linked polymer is derived from polyallylamine or a pharmaceutically acceptable salt thereof, the guanidino-containing cross-linked polymer comprises a guanidino structural unit and a cross-linked structural unit, and the cross-linked structural unit is derived from polyallylamine or a pharmaceutically acceptable salt thereof. The guanidino structural unit and the cross-linked structural unit are respectively represented by formulae (1) and (2): # imgabs0 #

The present invention belongs to the technical field of phosphate binders and discloses a magnesium phosphate inorganic glue, its preparation method, and application. The magnesium phosphate inorganic glue is composed of the following components, measured by mass: 100 parts of dead-burned magnesium oxide, 45-80 parts of potassium dihydrogen phosphate, 1-5 parts of an organic acid metal chelating agent, 1-5 parts of potassium hydroxide, 1-4 parts of borax, 0.7-1.5 parts of calcium chloride hexahydrate, 0.4-0.6 parts of barium hydroxide octahydrate, and 20-32 parts of water. The magnesium phosphate inorganic glue is modified based on raw material selection and mix ratio design, thereby significantly improving the setting time and fluidity of the magnesium phosphate inorganic glue. This solves the problems of conventional magnesium phosphate inorganic glue, such as short setting time, poor fluidity, and inability to meet the construction requirements of the adhesive for fully impregnating and spreading carbon fiber cloth. This ensures the construction and workability of the magnesium phosphate inorganic glue as an adhesive for reinforcing carbon fiber cloth, and can be applied to the field of reinforcement and repair of large-scale concrete structures.

The invention relates to a coating agent for coating acid-sensitive metal surfaces, which is an aqueous solution of an acidic phosphate binder, the coating agent comprising a peroxo compound and being free of chromium (VI) salts. The invention further relates to a method of coating a metal surface with such a coating agent, and to the use of such a coating agent for increasing the corrosion resistance of metal components in various industrial fields.

Disclosed are titanium compositions and methods of manufacturing titanium compositions that comprise an oxide coating formed via an anodization process. An anodization electrolyte used in the anodization process comprises (1) a chelating acid component, (2) a phosphate component, and (3) a phosphate binder component. The resulting oxide coating comprises α-tricalcium phosphate and / or hydroxyapatite crystalline compounds with a calcium to phosphate (Ca / P) ratio within a range of human bone.

This invention discloses a high-performance silicon carbide plastic and its preparation method, belonging to the field of refractory materials technology. The high-performance silicon carbide plastic is composed of basic raw materials and additives. The basic raw materials include silicon carbide powder, corundum granules, corundum powder, micro powder, plasticizer, aluminate cement, and silicon carbide granules. The additives include plasticizers, retarders, modified basalt fibers, and phosphate binders. The modified basalt fibers are obtained by doping basalt fibers with zinc oxide and coating them with epoxy resin. The preparation method of this invention is simple. Through the design of the ratio of basic raw materials and additives, especially the combined use of modified basalt fibers doped with zinc oxide and coated with epoxy resin and retarder, the final silicon carbide plastic has high mechanical strength and excellent retarding properties, meeting the requirements for use in harsh environments such as high-temperature industrial kilns.

The application discloses a kind of diamond saw blade surface composite nano coating, it is related to diamond coating technical field, the composite nano coating includes bottom layer and phosphate composite layer;The bottom layer material raw material includes 71-83% titanium carbide, 15-25% tungsten carbide, 2-4% yttrium oxide according to mass percentage;The phosphate composite layer material raw material includes 5-10% phosphate binder, 8-14% alumina, 10-20% silicon carbide, 10-20% cerium-doped nano SiO2-BNNSs hybrid material, 5-10% graphene load molybdenum disulfide nanoparticles, the balance is water;Bottom layer material is coated on diamond saw blade surface by laser cladding process to form bottom layer, then phosphate reinforcing layer material is coated on bottom layer, i.e. diamond saw blade surface composite nano coating is obtained.The diamond saw blade surface composite nano coating provided in the application has very strong high temperature resistance, wear resistance.

Provided herein are silica nanoparticles conjugated to a phosphate binding hexapeptide (PBH) via a linker amino acid residue and methods of making the same. Further provided are compositions including the nanoparticles and uses thereof in the treatment of hyperphosphatemia.