44 results about "Sodium zirconate" patented technology

The invention relates to a Ca[4(1+x)/5]Mg[(1+x)/5]Zr4Si2xP(6-2x)O24 (CMZP for short) phosphate negative-expansion ceramic material and a preparation method thereof, belonging to the technical field of low-heat-expansion ceramic material. The preparation method comprises the following steps: using sodium zirconate-phsophate MIMIIZr4(PO4)6(NZP) ceramic system as a base body; doping a certain amount of alkaline earth metal elements Ca and Mg at MI position and MII position; replacing P with less Si; and sintering the mixed material at the temperature of 1200-1500 DEG C for 0.1-10h to obtain the CMZP ceramic material with the composition Ca[4(1+x)/5]Mg[(1+x)/5]Zr4Si2xP(6-2x)O24 (X is neither smaller than 0 nor greater than 1). The obtained material has high dense degree and low porosity, the average heat expansion coefficient is negative, and the material belongs to negative-expansion ceramic material. The material can be used for adjusting the expansion coefficient of the composite materials and producing zero-expansion or negative-expansion material, and also can be applied to the fields such as heat isolation, low-temperature sealing, gradient material, nuclear waste curing and corrosion inhibitors.

The invention relates to a potassium sodium niobate-bismuth sodium zirconate lead-free piezoelectric single crystal and a growing method thereof. The chemical formula of the potassium sodium niobate-bismuth sodium zirconate lead-free piezoelectric single crystal is (1-y)(KxNa(1-x))NbO(3-y)(Bi0.5Na0.5)ZrO3, wherein x is larger than or equal to 0.4 and smaller than or equal to 0.6, and y is larger than or equal to 0 and smaller than or equal to 0.1. According to the method, raw materials and a growth auxiliary are mixed and presintered, and the potassium sodium niobate-bismuth sodium zirconate lead-free piezoelectric single crystal is obtained by growing with a Bridgman-Stockbarger method; the potassium sodium niobate-bismuth sodium zirconate lead-free piezoelectric single crystal growing with the Bridgman-Stockbarger method after addition of the growth auxiliary has the advantages that a nucleus is formed easily, the crystal size is larger (2-20 mm), fewer cracks are formed and the like.

The invention relates to a method for extracting zirconium oxide from a zirconium-containing solid solution substance. The method for extracting the zirconium oxide from the zirconium-containing solid solution substance comprises the following steps: mixing zirconium-containing solid solution substance powder with sodium hydroxide and then heating and sintering, so that an acid-soluble sintered material is obtained, carrying out immersion cleaning on the acid-soluble sintered material with a diluted hydrochloric acid aqueous solution, enriching for obtained mixture of sodium zirconate and zirconium hydroxide and a salt solution, carrying out hot dipping on the mixture for obtaining a zirconium oxychloride solution with a hydrochloric acid solution, evaporating, concentrating and cooling the zirconium oxychloride solution for separating out zirconium oxychloride crystals, and purifying the obtained zirconium oxychloride crystals; carrying out neutralizing treatment on the salt solution, extracting useful components, and then concentrating the salt solution for obtaining industrial salt. The method for extracting the zirconium oxide from the zirconium-containing solid solution substance has the advantages of simple technological process, energy conservation, low consumption, high metal recovery rate, less environmental pollution, benefit to harmonious development of natural resources and the ecological environment and obvious resource recycling effect.

The invention discloses a high-stability coating material for a hot-blast stove and a preparation method thereof. The preparation method comprises the steps: (1) soaking river mud in acid liquor, then, carrying out filtering, and taking a filter cake, so as to prepare modified river mud; (2) dispersing silica gel, sodium zirconate, rare-earth oxide and the modified river mud into an organic solvent under ultrasonic conditions, then, carrying out filtering, and taking a filter cake, so as to obtain an activated substance; (3) subjecting organosilicone, an acrylonitrile-butadiene-styrene copolymer, maleic anhydride, an organic solvent, carbon fibers, attapulgite, cyclodextrin and the activated substance to a contact reaction under high-pressure and closed conditions, thereby preparing the high-stability coating material for the hot-blast stove. The coating material prepared by the method has excellent high-temperature resistance and corrosion resistance, and then, the service life of the hot-blast stove can be prolonged.

The invention discloses a novel special ceramic material. The material is prepared by the following raw materials in parts by weight: 40-50 parts of red clay, 1-3 parts of albite, 5-7 parts of nanometer aluminium oxide, 1-3 parts of nickel oxide, 1-3 parts of zinc oxide, 5-7 parts of niobium pentoxide, 5-7 parts of boron nitride, 5-7 parts of wollastonite, 3-4 parts of sodium zirconate, and 5-7 parts of an auxiliary agent. The novel special ceramic material has the advantages of high strength, good resistance to corrosion and oxidation resistance, good toughness, high temperature resistance, substantially improved antifriction capability of the surface, scaling resistance of the surface, cleaning convenience, and increased service life; at the same time, prior ceramic preparation technology is optimized, suitable technological parameters are selected, so that performance of the material is more stable.

The invention discloses a preparation method for an aluminium alloy radiator passivating solution before lacquering. The passivating solution comprises 6-8 g/L of sodium molybdate, 4-6 g/L of potassium tetrafluoroborate, 3-5 g/L of magnesium titanate, 8-10 g/L of sodium zirconate, 16-18 g/L of aqueous polyurethane, 12-14g/L of boric acid, 4-6 g/L of acetic acid, 1-2g/L of thiourea and the balance water. The preparation method comprises: weighing all raw materials according to the above proportions, putting in a reaction kettle, heating to 35-45 DEG C, then starting a stirrer, controlling the rotation speed to be 160-180 r/min, stirring for 15-25 min, then cooling to room temperature and putting for 10-12 h.

The invention relates to an installation cable for an electric power distribution cabinet. The installation cable comprises a plurality of copper alloy wires and protective sheaths, wherein the copper alloy wires are arranged in parallel to each other, and the outer layer of each copper alloy wire is coated with the protective sheath; each protective sheath comprises the following components: polypropylene resin, aldehyde resin, brominated bisphenol A epoxy resin, Litsea cubeba oil, 4-hydroxy-4-methyl-2-pentanone, castor oil, amyl propionate, propiconazole, sodium monofluorophosphate, carbendazim, tetramethyl thiuram disulfide, tourmaline powder, molybdenum disilicide powder, titanium dioxide powder, weathered coal, corundum powder, sodium zirconate powder, strontium chromate powder, silica gel powder, tris(2-chloroethyl) phosphate, hexabromo-benzene, modacrylic, decabrominated iphenyl ethane, diaminodiphenyl methane, diphenyl silanediol, diphenylmethane bismaleimide, diacetone alcohol, dibutyltin dilaurate, diethylene glycol dibenzoate, and dimethyl ketoxime. The installation cable provided by the invention has the advantage of improving the operation performance of a product.

The invention discloses an impact-resistant ceramic coating layer for metal-based thermal spraying. The impact-resistant ceramic coating layer comprises the following raw materials in parts by weight: 25-32 parts of basalt, 13-20 parts of kaolin, 8-10 parts of clay, 3-8 parts of silicon dioxide, 2-5 parts of titanium oxide, 1-4 parts of sodium oxide, 4-8 parts of calcium lignosulphonate, 2-4 parts of zirconium oxide, 6-8 parts of assistant, 4-8 parts of glass fibers, 2-7 parts of nickel sulfate, 1-2 parts of rare earth, 1-2 parts of sodium zirconate, and 5-10 parts of de-ionized water, wherein the rare earth comprises the following components in percentage by mass: 8.8-9.4% of erbium, 3.7-4.6% of holmium, 9.2-10.8% of neodymium, 4.5-5.5% of promethium, 13.2-15.5% of gadolinium, 10.2-10.8% of europium, and the balance of lanthanum and inevitable impurities. The impact-resistant ceramic coating layer in proper in ceramic powder components and ratios; the average grain size of the ceramic coating layer is 52.8 nm; a molten shell adopts a columnar crystal structure with stronger directivity; the ceramic coating layer is excellent in impact resistance, high in hardness, wider in temperature resistance, excellent in ablation resistance, excellent in mechanical performance and high in strength; adopted plasma spraying equipment is stable in current; a formed aluminum oxide coating layer is smooth and compact; and the bonding strength with a metal matrix is high.

The invention discloses carbon nano tube conductive silver paste for a filter. The carbon nano tube conductive silver paste is characterized by being composed of the following raw materials, by weight, 40-50 parts of silver powder, 3-4 parts of carbon nano tubes, 1-2 parts of boric oxide, 2.1-3.4 parts of precipitated barium sulphate, 0.4-0.9 part of sodium zirconate, 0.2-0.4 part of a titanate coupling agent, 0.4-0.7 part of sodium diacetate, 1.2-2.3 parts of methylimidazoline, 4-6 parts of ethylene glycol butyl ether, 3-5 parts of acrylic resin, 30-40 parts of assistants and appropriate water. Various effective constituents are combined in an optimized mode, the production process is simplified, and compared with the prior art, implementation and operation are convenient, after a substrate is coated with the carbon nano tube conductive silver paste for the filter and sintered, a silver conductive layer which is high in compactness, high in adhesive force, good in conductive performance and good in weldability is formed, and the market prospects are wide.

The invention discloses an environmental-friendly water treatment material and a preparation method thereof. The environmental-friendly water treatment material comprises the following components in parts by weight: 45 to 60 parts of polyvinyl alcohol, 6 to 8 parts of montmorillonite, 3 to 6 parts of tourmaline powder, 2 to 3 parts of polyaluminosiloxane, 1 to 2 parts of calcium sulfate, 1 to 2 parts of ethanol amine, 0.8 to 1.5 parts of sulfuric acid, and 0.4 to 0.8 part of sodium zirconate. The invention further provides a preparation method of the environmental-friendly water treatment material.

The invention discloses synthesizing and application methods of sodium zirconate and belongs to the field of resource utilization of solid wastes. The synthesizing method of the sodium zirconate comprises the following steps of (1) mixing YSZ (yttria-stabilized zirconia) solids and sodium carbonate solids at a certain weight; (2) calcinating the products obtained in the step (1) at a temperature of 750-850 DEG C for 5-8 hours. The synthesizing method of the sodium zirconate can not only complete recycling of dental crown material wastes to achieve reduction and resource utilization of solid dental wastes, but also synthesize the sodium zirconate in a simple and easily-operated mode, which can serve as a carbon dioxide absorbent with good carbon dioxide absorbency or be applied to pyrolysishydrogen production of biomass and biomass waste.

The invention discloses a preparation method of fluorozirconate. The preparation method comprises the following steps of A, enabling a nitrogen-containing heterocyclic compound and halogenating alkane to be subjected to a reaction in an organic solvent under alkaline conditions, so as to obtain heterocyclic amine based alkane halogen; B, enabling the heterocyclic amine based alkane halogen obtained in the step A to be dissolved in an organic solvent, and performing heating so as to obtain nitrogen spirane halide salt; and C, enabling nitrogen spirane halide salt which is obtained in the step B and as shown in a formula iv to be dissolved in the organic solvent, and performing ion exchange on the nitrogen spirane halide salt dissolved in the organic solvent with pentafluoro sodium zirconate or pentafluoro zirconic acid so as to obtain nitrogen spirane pentafluoro zirconic acid as shown in a formula vi, or performing ion exchange on the nitrogen spirane halide salt dissolved in the organic solvent with hexafluorozirconic acid or hexafluorozirconic acid sodium so as to obtain dinitrogen spirane hexafluorozirconic acid salt as shown in a formula vi. According to the method disclosed by the invention, raw materials are cheap and easy to obtain, reaction steps are simple, the yield is high, pollution is hardly generated, strict and dangerous reaction conditions are not used, products are easy to refine, and the method disclosed by the invention is suitable for national mass production.

The invention discloses a zirconia production process. The zirconia production process comprises the following steps of: placing zircon in a smelting furnace, adding caustic soda into the smelting furnace, performing real-time mixing and stirring on the mixture, leaching molten liquid by using hot water, putting first mixed liquid in a stirrer, then adding sodium zirconate into the stirrer, performing real-time stirring, then adding an acid solution into the stirrer to obtain second mixed liquid, performing impurity removal, putting the second mixed liquid which is subjected to impurity removal in a vessel again, performing mixing and stirring at 60-80 DEG C, adding a precipitating agent into the vessel while stirring is conducted, then placing treated zirconium hydroxide in the smelting furnace, performing second melting at 500-600 DEG C, and adding a catalyst into the solution to obtain the zirconia. Through the zirconia production process, not only can the quality of the zirconia beimproved, but also the melting point of the zirconia can be increased, so that the obtained zirconia is adaptive to different environments, and the needs of present development are met.

The invention discloses a multi-arc ion physical plating paint used for replacing chemical electroplating. The multi-arc ion physical plating paint is composed of following raw materials, by weight, 30 to 38% of organic silicon resin, 15 to 22% of hydroxy acrylic resin, 8 to 13% of polytetrafluoroethylene liquid resin, 3 to 8% of phosphorus silicon sodium zirconate, 0.5% of a fluorine carbon leveling auxiliary agent, and 30 to 40% of an organic solvent. Compared with the prior art, the multi-arc ion physical plating paint is capable of avoiding defects of conventional multi-arc ion plating; conventional chemical electroplating is completely replaced by physical multi-arc ion physical plating; and environmental protection is realized.

The invention discloses a quick waste gas desulphurization agent and a preparation method thereof. The agent is prepared from raw materials in parts by weight as follows: 25-27 parts of cobalt chloride, 18-20 parts of sodium carbonate, 15-17 parts of cobalt carbonyl, 6-8 parts of basic nickel carbonate, 20-22 parts of basic aluminum sulfate, 20-22 parts of potassium hydroxide, 6-8 parts of activated carbon, 4-6 parts of calcium lactate, 12-14 parts of iron oxide, 6-8 parts of manganese oxide, 6-8 parts of zirconium dioxide, 2-4 parts of sodium zirconate, 6-8 parts of praseodymium-neodymium oxide, 18-20 parts of lanthanum oxide, 26-28 parts of acetic acid, 5-7 parts of sodium hydroxide and 4-6 parts of magnesium perchlorate. The quick waste gas desulphurization agent has the high desulphurization speed and the good use effect.

The invention discloses an abrasion-resistant daily ceramic product and a preparation method thereof. The ceramic product includes, by weight, 30-40 parts of kaolin, 15-25 parts of albite, 10-20 partsof vermiculite, 5-15 parts of hollow microspheres, 5-14 parts of black mud, 5-10 parts of water-based acrylic emulsion, 6-10 parts of talcum powder, 5-10 parts of bamboo carbon fibers, 2-4 parts of sodium zirconate, 3-5 parts of rice hull powder, 10-20 parts of epoxy resin, 1-4 parts of polyester resin and 1-2 parts of a dispersing agent. A production technology is simple, there is no pollution in the process of the technology, the cost for raw materials is low, and the ceramic product prepared through a scientific raw material formula is low in cost, high in hardness, resistant to abrasion,high in ductility and durable.

The invention relates to a process for separating zirconium, silicon and aluminum from AZS solid wastes, which belongs to the technical field of cyclic utilization of refractory solid wastes. AZS solid wastes are subjected to alkali fusion and roasting firstly so as to obtain a sintered material; the sintered material is subjected to water leaching for separating out zirconium, so that lixiviums of water-soluble metasilicate and meta-aluminate are obtained; and acid liquor is added into the lixiviums to react, so that an aluminum salt solution and a silica gel are obtained finally, thereby realizing the separation of silicon and aluminum, and solving the problems of low recovery and utilization rates and low added value of products existing in current recovery and utilization technologies of AZS solid wastes. Sodium zirconate obtained in the invention can be used for preparing zirconium oxychloride or zirconium sulfate, the silica gel can be used for preparing white carbon black, aluminum can be directly converted into aluminium hydroxide products, and the recovery rates of zirconium dioxide, aluminium oxide and silicon dioxide are all greater than or equal to 98%, therefore, the process has the characteristics of high recovery and utilization rates and high added value of products; and washing wastewater produced in the process can be recycled, thereby achieving the effect of no wastewater discharge, and reducing the environmental pollution.

The invention relates to an antifogging film material and a preparation method thereof. The antifogging film material is prepared from the following components in parts by weight: 68-85 parts of ethyl acetate, 8-11 parts of cellulose acetate butyrate, 0.5-2 parts of benzoperoxide, 0.5-1.5 parts of blue copperas, 0.1-0.4 part of sodium zirconate, 0.02-0.8 part of boron trifluoride-dimethylaniline and 0.02-0.5 part of cobalt oxide. The invention also relates to a preparation method of the antifogging film material.

The invention discloses a kaolin-modified paint for hot-blast furnaces and a preparation method thereof. The preparation method comprises the following steps: 1) immersing river mud in acid liquor, filtering, and taking the filter cake to obtain modified river mud; 2) dispersing silica gel, sodium zirconate, rare-earth oxides and modified river mud in an organic solvent under ultrasonic conditions, filtering, and taking the filter cake to obtain an activated substance; and 3) carrying out contact reaction on organic silicon, an acrylonitrile-ethylene-styrene copolymer, maleic anhydride, an organic solvent, carbon fibers, kaolin, cyclodextrin and the activated substance under high-pressure closed conditions to obtain the kaolin-modified paint for hot-blast furnaces. The paint prepared by the method has excellent high temperature resistance and corrosion resistance, thereby prolonging the service life of the hot-blast furnace.

The invention discloses an anti-corrosion coating applied to hot-blast stove and a preparation method of the anti-corrosion coating. The preparation method comprises: (1), placing canal mud in acid liquid to soak, filtering, and taking out a filter cake to prepare modified cannal mud; (2), dispersing silica gel, sodium zirconate, rare-earth oxide and modified canal mud in an organic solvent under an ultrasonic condition, performing filtration and taking a filter cake, thereby obtaining activators; and (3), performing contact reactions on the organic silicon, acrylonitrile-butadiene-styrol copolymer, phthalic anhydride, organic solvent, carbon fiber, expanded vermiculite, cyclodextrin and the activators under high-pressure and sealing conditions, thereby preparing the anti-corrosion coating applied to the hot-blast stove. The coating prepared by the method has excellent high-temperature resistance and high-corrosion resistance, thereby improving the service life of the hot-blast stove.

The invention discloses high-temperature resistant paint for hot-blast stoves and a preparation method of the high-temperature resistant paint. The preparation method includes 1), soaking river mud in acid liquor, and picking filter cakes after filtration to obtain the modified river mud; 2), dispersing silica gel, sodium zirconate, rare earth oxide and the modified river mud in organic solvent ultrasonically, and picking filter cakes after filtration to obtain an activator; 3), allowing contact reaction among organosilicone, acrylonitrile-butadiene-styrol copolymers, maleic anhydride, organic solvent, carbon fibers, kieselguhr, cyclodextrin and the activator under a high-pressure closed condition to obtain the high-temperature resistant paint for the hot-blast stoves. The high-temperature resistant paint prepared according to the method has excellent high-temperature and corrosion resistance performance, so that service life of the hot-blast stoves can be prolonged.