12 results about "Triphosphoric acid" patented technology

The application provides a low oil absorption amount rust and corrosion preventing powder body and a preparation method thereof, and belongs to the technical field of pigments. Nano silicon dioxide is modified by a calcium salt and a silane coupling agent to obtain silicon dioxide pigment fine powder; calcium ion type silicon dioxide pigment is modified by hyperbranched polysiloxane to obtain modified calcium ion type silicon dioxide pigment; iron tripolyphosphate is modified by tannic acid to obtain modified iron tripolyphosphate, which is uniformly mixed with the silicon dioxide pigment fine powder and the modified calcium ion type silicon dioxide pigment to obtain the low oil absorption amount rust and corrosion preventing powder body. The powder body has good rust and corrosion preventing performance, the wettability, the compatibility and the dispersibility of the pigment in paint are improved, the mechanical properties of the composite pigment are improved, the oil absorption amount is greatly reduced, and the powder body has a good application prospect.

The application provides an intumescent fireproof and anticorrosive coating, which comprises the following components and the mass percentage of each component is as follows: 18-25% of a film forming agent, 22-30% of an acid source, 8-10% of a carbon source, 8-10% of a gas source and 15-25% of an anticorrosive agent, the film forming agent is a mixture of organic silicon modified acrylic resin and water-based epoxy emulsion, the acid source is ammonium polyphosphate or polyphosphate, the carbon source is pentaerythritol or di-pentaerythritol, the gas source is melamine or dicyandiamide, and the anticorrosive agent is a mixture of aluminum tripolyphosphate, zinc phosphate and aluminum silver paste. The application has the functions of fireproofing and anticorrosion at the same time, and the fireproof coating and the anticorrosive coating do not need to be coated respectively, so that the construction process can be reduced, the construction period can be shortened, and the construction cost can be reduced; meanwhile, the effective protection of the base material can reduce the number of maintenance and replacement caused by corrosion or fire damage, and the comprehensive maintenance cost can be reduced in the long run.

The invention discloses a titanium-aluminum-lithium phosphate powder, a preparation method thereof and an application of the titanium-aluminum-lithium phosphate powder in a solid-state battery, the gelling characteristic of aluminum triphosphate and the characteristic that tripolyphosphate radicals have relatively strong chelating force on metal ions are utilized, the aluminum triphosphate is used as an aluminum source, a part of phosphorus source and a gel matrix, and a titanium source and a lithium source which are insoluble in water are combined, so that the titanium-aluminum-lithium phosphate powder is prepared. Phosphoric acid is used as a part of a phosphorus source and a solvent, a sol-gel method is adopted to prepare an LATP precursor, the LATP nano-powder with uniform particle size, high purity and low agglomeration is prepared after calcination, and the LATP nano-powder has high ionic conductivity and can be used as a solid electrolyte material of a solid-state battery, a coating of a positive electrode material, a coating of a ceramic diaphragm and a composite solid electrolyte membrane. Meanwhile, compared with a traditional sol-gel method, the preparation method of the lithium aluminum titanium phosphate powder does not need to add a large number of organic reagents, precipitators and the like, and the prepared LATP powder has higher yield and ionic conductivity.

The invention discloses a waterborne two-component polyurethane coating as well as a preparation method and application thereof. The coating comprises a component A and a component B, the component A is prepared from the following raw materials: organic silicon modified hydroxy acrylic dispersion, anti-rust pigment and water; the component B comprises the following raw materials: an organic silicon modified isocyanate curing agent; the organic silicon modified hydroxyl acrylic acid dispersion is obtained by modifying fluorine modified hydroxyl acrylic acid dispersion with an organic silicon compound; the organic silicon compound is prepared from gamma-methacryloyloxy propyl trimethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane, and the organic silicon compound is prepared from gamma-methacryloyloxy propyl trimethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane; the anti-rust pigment comprises a calcium ion exchange type anti-rust pigment, aluminum triphosphate and composite ferrotitanium powder. According to the invention, the organic silicon modified hydroxy acrylic acid dispersoid is combined with the compounded calcium ion exchange type antirust pigment, aluminum triphosphate and composite iron-titanium powder system and the organic silicon modified isocyanate, so that the heat resistance, weather resistance, water resistance and neutral salt mist resistance of the coating can be effectively improved.

The invention relates to a modified aluminum tripolyphosphate antirust agent and application thereof in a coating, and belongs to the technical field of coatings. The antirust agent is prepared from 800 to 900 parts of aluminum triphosphate, 80 to 120 parts of modified branched PEG (Polyethylene Glycol) and 5 to 10 parts of a buffering agent. The modified branched PEG is prepared by reacting trimethylolpropane with paratoluensulfonyl chloride to generate tris (p-toluenesulfonate) methylpropane, then grafting the tris (p-toluenesulfonate) methylpropane with polyethylene glycol azide, and reacting the tris (p-toluenesulfonate) methylpropane with 3-mercaptopropyltrimethoxysilane, the structure of the modified branched PEG has both steric hindrance effect and electrostatic repulsion, and the dispersity is remarkably improved. Specifically, silicon hydroxyl forms steric hindrance through a hydrogen bond, and part of sulfydryl is dissociated into-S-under the condition that the pH is 7.5-8.5, so that the electrostatic repulsion is enhanced. When the coating is applied, sulfydryl and metal ions on the surface of a steel base material form coordinate bonds, particles are guided to migrate directionally, secondary aggregation is avoided, tripolyphosphate ions are promoted to be uniformly released, a continuous and compact passive film is generated, and the initial rust-proof efficiency and long-term protection performance of the coating are remarkably improved.

The application discloses a production and preparation process of a heavy-duty water-based epoxy primer suitable for a high-salt and high-humidity environment, and relates to the technical field of water-based epoxy primer production. The raw materials are as follows: 30-50 parts of bisphenol A type water-based epoxy resin emulsion, 10-20 parts of a curing agent T-31, 3.5-5 parts of a reinforced anti-settling agent, 8-12 parts of zinc phosphate, 5-8 parts of aluminum tripolyphosphate, 10-15 parts of precipitated barium sulfate, 3-6 parts of silicon powder, 0.8-1.2 parts of a polyacrylic acid sodium salt dispersing agent, 0.4-0.8 parts of an organic silicon defoaming agent, 0.3-0.7 parts of an acrylic ester leveling agent and 0.6-1 part of a polyurethane thickening agent. The bentonite in the reinforced anti-settling agent and the modified phosphosilicate zirconium powder can improve the microstructure of the primer system, the coating is more compact, the primer can be conveniently applied to a high-salt and high-humidity environment, and the salt mist resistance of the water-based epoxy primer is enhanced.

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 invention relates to the technical field of power cables, in particular to a long-service-life fire-resistant cross-linked polyethylene insulated power cable and a preparation method thereof. The composite material comprises tripolyphosphate, hexafluorocyclotriphosphazene, an antioxidant, a silane coupling agent, a peroxide cross-linking agent and low-density polyethylene resin. According to the invention, a phosphorus-nitrogen-fluorine composite gas-solid synergistic flame-retardant system and a long-acting thermal oxidation stabilization technology are adopted, and an interface enhanced cross-linked network and a multi-layer co-extrusion dynamic cross-linking technology are combined, so that the cable insulator is ensured to have excellent long-term thermal stability and line integrity in an extreme fire scene; and the industrial common technical problems of short thermo-oxidative aging life, insufficient fire resistance, early failure caused by interface defects and microscopic unevenness and the like of the traditional cross-linked polyethylene insulated cable are thoroughly solved.

The invention discloses a preparation method of a layered aluminum triphosphate antirust pigment, and belongs to the technical field of design and synthesis of inorganic materials. The method comprises the following steps: S1, mixing an aluminum source compound and a phosphorus source compound in water at room temperature to form turbid liquid; s2, adding one or more structure-directing agents into the turbid liquid, and adjusting the pH value of the mixed liquid to 3.0-5.0; s3, putting the mixed solution into a high-pressure reaction kettle, and carrying out hydrothermal crystallization reaction for 7-13 hours at the pressure of 1-3 MPa and the temperature of 190-230 DEG C; and S4, filtering, washing and drying the reaction product to obtain the aluminum triphosphate anti-rust pigment with the layered structure. The method is simple in process, the product morphology is regular, and the layered pigment effectively improves the compactness and flatness of a coating in the anti-corrosion application process, has a synergistic effect with a chemical anti-rust effect, remarkably improves the protective performance of the coating and has a wide application prospect.

The invention relates to the technical field of coatings, in particular to an antibacterial coating for vehicles and a preparation method of the antibacterial coating. The antibacterial coating for the vehicle comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1: (0.5-0.8); the component A is prepared from the following raw materials in parts by weight: 50 to 65 parts of waterborne epoxy emulsion, 8 to 15 parts of a composite antibacterial agent, 4 to 8 parts of a flash rust inhibitor, 2 to 4 parts of nano zinc oxide, 5 to 10 parts of talcum powder, 4 to 6 parts of aluminum triphosphate, 0.3 to 0.8 part of wax powder, 1 to 1.5 parts of propylene glycol alginate, 0.4 to 0.8 part of a dispersing agent, 0.3 to 0.5 part of a defoaming agent, 1 to 2 parts of propylene glycol butyl ether, 0.8 to 1.5 parts of a flatting agent and 30 to 40 parts of water; the component B is prepared from the following raw materials in parts by weight: 25 to 35 parts of an epoxy curing agent, 0.5 to 0.8 part of a flash rust inhibitor, 2 to 3 parts of a silane coupling agent, 2 to 5 parts of cyclohexane-1, 2-dicarboxylic acid diisononyl ester and 10 to 20 parts of water; the prepared antibacterial coating for the vehicle not only has excellent antibacterial performance, but also has excellent mechanical performance and corrosion resistance, the service life of the coating is effectively prolonged, and meanwhile the quality of the coating is guaranteed.

The application provides an organic phosphonic acid coating and a preparation method thereof, and comprises the following raw materials according to weight percentage: vinyl chloride-vinylidene chloride-acrylic acid emulsion 30-38%, tannic acid 3-5%, aluminum tripolyphosphate 5-10%, ethylene glycol butyl ether 0.5-3.5%, titanium white powder 8-15%, silica powder 5-10%, wetting agent 0.3-0.8%, dispersant 0.5-2.0%, defoaming agent 0.2-0.6%, emulsion stabilizer 2-5%, thickening agent 0.1-0.4%, hydroxyethylidene diphosphonic acid 0.5-5%, and the rest is water. The aluminum tripolyphosphate in the organic phosphonic acid coating can form a chelate with various metal ions in the pipeline, form a passivation film on the inner wall of the pipeline, and effectively inhibit corrosion; the tannic acid can react with corrosion products to form a complex, the complex covers the corrosion sites to isolate oxygen and moisture, and prevents the corrosion sites from further corrosion; the hydroxyethylidene diphosphonic acid can form a complex with metal ions and form a protective film on the metal ions, can improve the adhesion of the coating, make the coating more firmly adhere to the inner wall of the pipeline, and improve the durability of the coating.

The invention provides low-oil-absorption anti-rust and anti-corrosion powder and a preparation method thereof, and belongs to the technical field of pigments. The preparation method comprises the following steps: modifying nano silicon dioxide with calcium salt and a silane coupling agent to prepare silicon dioxide pigment fine powder; the preparation method comprises the following steps: modifying a calcium ion type silicon dioxide pigment with hyperbranched polysiloxane to obtain a modified calcium ion type silicon dioxide pigment; iron tripolyphosphate is modified by tannic acid to prepare modified iron tripolyphosphate, and the modified iron tripolyphosphate is uniformly mixed with silicon dioxide pigment fine powder and modified calcium ion type silicon dioxide pigment to prepare the low-oil-absorption anti-rust and anti-corrosion powder which has good anti-rust and anti-corrosion performance, the wettability, compatibility and dispersity of the pigment in the coating are improved, and the anti-rust and anti-corrosion performance of the coating is improved. The mechanical property of the composite pigment is improved, the oil absorption amount is greatly reduced, and the composite pigment has a relatively good application prospect.