142 results about "SODIUM METAPHOSPHATE" patented technology

The invention belongs to the field of fermentation, and particularly relates to a complex microbial inoculant, original cheese, processed cheese with a blood sugar reducing function and preparation and application of the complex microbial inoculant. Wherein the processed cheese is prepared by the method comprising the following steps: mixing the components including raw cheese, sugarcane juice, corn oil, casein, concentrated milk protein, blueberry powder, mono / diglycerol fatty acid ester, sodium citrate, sodium tripolyphosphate, sodium hexametaphosphate, salt guar gum, potassium sorbate and water, and then emulsifying to obtain the processed cheese, the sugar cane juice, the corn oil, the casein, the concentrated milk protein, the blueberry powder, the mono / diglycerol fatty acid ester, the sodium citrate, the sodium tripolyphosphate, the sodium hexametaphosphate, the salt guar gum, the potassium sorbate and the water, the original cheese is prepared from a complex microbial inoculant, and the complex microbial inoculant comprises lactococcus lactis bacterial powder, lactococcus lactis subsp. Lactis bacterial powder, lactobacillus delbrueckii subsp. Lactis bacterial powder, lactobacillus plantarum bacterial powder and lactobacillus paracasei bacterial powder. The processed cheese provided by the invention has a better function of controlling blood sugar, and meanwhile, the processed cheese is fine and uniform in texture and has good smearing performance.

The invention relates to the technical field of reverse osmosis membrane maintenance, in particular to a cleaning scale inhibitor special for a reverse osmosis membrane and application of the cleaning scale inhibitor. The cleaning scale inhibitor provided by the invention comprises an agent A, an agent B and an agent C, the agent A comprises the following components in percentage by mass: 10-20% of organic phosphonic acid, 10-20% of polycarboxylic acid polymer, 5-10% of sulfamic acid, 3-8% of sodium gluconate and the balance of water; the agent B comprises 8-15% of an isothiazolinone bactericide, 5-10% of a nonionic surfactant, 3-8% of a chlorine bactericide, 2-5% of sodium dodecyl benzene sulfonate and the balance of water; and the agent C comprises 10-20% of sodium polyacrylate, 8-15% of sodium hexametaphosphate, 5-10% of citric acid, 3-8% of silicate and the balance of water. The cleaning scale inhibitor provided by the invention has an efficient cleaning effect on various pollutants, is environment-friendly, and does not cause chemical damage to a reverse osmosis membrane.

The invention belongs to the technical field of fire-extinguishing building materials, and discloses a microencapsulated efficient automatic fire-extinguishing patch and a preparation method thereof.The fire-extinguishing patch contains a fire-extinguishing microcapsule, the fire-extinguishing microcapsule is of a double-layer structure, the inner layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde, and the outer layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde; and the outer layer comprises a vinylidene fluoride-acrylic acid copolymer and glutaraldehyde. According to the invention, the flaky kaolin is used for enhancing the formaldehyde-free phenolic aldehyde inner layer and the vinylidene fluoride-acrylic acid copolymer outer layer to form a double-layer shell layer with high air tightness, so that the compactness and long-term stability of the shell layer of the microcapsule are greatly improved.

The invention provides a beneficiation method of low-grade superfine silt containing lithium, rubidium and cesium, which comprises the following steps: adding sodium hexametaphosphate and a collecting agent JXL-01 into ore pulp, stirring, and roughing to obtain lepidolite rough concentrate and flotation tailings I; a collecting agent JXL-01 is added into the flotation tailings I for two times of scavenging, the flotation tailings and two scavenging middlings are obtained, and the scavenging middlings are sequentially returned to the upper layer for operation; sodium hexametaphosphate is added into the lepidolite rough concentrate for two times of concentration, lepidolite concentrate and two concentrated middlings are obtained, and the two concentrated middlings are sequentially returned to the upper layer for operation. And the collecting agent JXL-01 is obtained by mixing dodecylamine and sodium alpha-olefin sulfonate according to the mass ratio of 3: 2. According to the method, comprehensive utilization of the lithium-rubidium-cesium-containing superfine silt is achieved, the recovery effect of the lithium-rubidium-cesium-containing superfine silt is effectively improved, and the method is a novel mineral separation method which is stable, efficient, high in adaptability and high in recovery index and is suitable for application and popularization.

The invention provides a high-selectivity flotation method for micro-fine particle lepidolite containing rubidium and cesium, which comprises the following steps: levigating raw lepidolite ore, and desliming to obtain a flotation material and slime; adding sodium hexametaphosphate and a collecting agent HT8-01 into the flotation material, stirring, and roughing to obtain lepidolite rough concentrate and flotation tailings I; a collecting agent HT8-01 is added into the flotation tailings I for two times of scavenging, flotation tailings and two scavenging middlings are obtained, and the scavenging middlings are sequentially returned to the upper layer for operation; sodium hexametaphosphate is added into the lepidolite rough concentrate for two times of concentration, lepidolite concentrate and two concentrated middlings are obtained, and the concentrated middlings are sequentially returned to the upper layer for operation; the collecting agent HT8-01 is obtained by mixing octadecylamine and sodium dioctyl sulfosuccinate according to the mass ratio of 5: 3. According to the method, the separation effect of the rubidium-cesium-lithium-containing mica and gangue minerals such as quartz and feldspar is improved, the problems that foam is too stable, the viscosity is too high and the size is too large are solved, and high-selectivity separation of the micro-fine-particle rubidium-cesium-lithium-containing mica is achieved.

The invention belongs to the technical field of fine chemical engineering, and discloses hydroxypropyl crosslinked starch as well as a preparation method and application thereof. The preparation method of the hydroxypropyl crosslinked starch comprises the following steps: mixing starch and water to prepare starch milk; adding sodium phytate and urea; adding sodium sulfate and sodium hydroxide after cooling; adding epoxypropane for reaction; and adding sodium trimetaphosphate to react to prepare the hydroxypropyl crosslinked starch. The hydroxypropyl crosslinked starch prepared by the preparation method disclosed by the invention has excellent shear resistance, acid resistance and oxidation resistance.

The invention discloses a micro-arc oxidation coating for an artificial hip joint Ti6Al4V alloy and a preparation method of the micro-arc oxidation coating. The preparation method comprises the following steps that S1, pretreatment is conducted; s2, preparing a micro-arc oxidation electrolyte; s3, preparing a micro-arc oxidation coating; s4, cleaning and drying treatment; a preparation method of the electrolyte comprises the steps that 6 g of sodium metaaluminate solid powder, 4 g of potassium hydroxide solid powder, 2 g of sodium hexametaphosphate solid powder, 4 g of sodium silicate solid powder and 4 g of yttrium oxide nanoparticles are sequentially weighed and added into a beaker, then 980 mL of ultrapure water at the temperature of 60 DEG C is added into the beaker, and stirring is conducted for 2 min while the temperature is kept; the yttrium oxide particles are approximately spherical or ellipsoidal, the particle size range is 20-50 nm, and the purity is 99.99%. The yttrium oxide nanoparticles are introduced into the electrolyte, the micro-arc oxidation coating containing the yttrium oxide is prepared on the surface of the Ti6Al4V alloy, and compared with a traditional micro-arc oxidation coating, the surface porosity of the micro-arc oxidation coating containing the yttrium oxide is remarkably reduced, and the compactness is remarkably improved.

The invention provides a pitaya wine processing technology. The pitaya wine processing technology is optimized aiming at the problems that pigments are easy to degrade, the fermentation efficiency is low, and the flavor is single in a traditional technology. According to the raw material pretreatment, ultrasonic cleaning (0.05% sodium hexametaphosphate solution) is combined with metal ion control (Fe2 / Cu2 is less than or equal to 0.1 mg / L), and the juice yield is increased through composite enzymolysis (pectinase and cellulase). In the low-temperature fermentation stage, the period is shortened to 10 hours by utilizing fed-batch strain activation, and the retention rate of characteristic aroma is remarkably improved by combining pulse ultrasound and nitrogen protection (the oxygen content is less than or equal to 0.5 ppm); and through infrared monitoring and gradient cooling, accurate control of the alcoholic strength being 12% vol and the residual sugar being less than or equal to 4g / L is realized. In the aging stage, nitrogen is adopted to isolate oxygen (high-purity nitrogen is greater than or equal to 99.99%) and a KPA stabilizer, so that the degradation rate of betacyanin is less than or equal to 10%. Finally, the stability is improved through ceramic membrane filtration, cold stabilization and pasteurization, and the product is purplish red in color and luster and complex in flavor and has industrial application potential.

The invention discloses a formaldehyde-free composite board for a cabinet and a preparation method of the formaldehyde-free composite board, and relates to the technical field of artificial board manufacturing. The preparation method of the formaldehyde-free composite board for the cabinet comprises the following steps: mixing high amylose with a choline chloride / urea deep eutectic solution, stirring, adding concentrated hydrochloric acid for reaction, adjusting the pH value, and adding ammonium persulfate to obtain pretreated oxidized starch; methacrylic acid dehydrated glyceride is added into the pretreated oxidized starch for a grafting reaction, then modified polyvinyl alcohol is added for blending, sodium metaphosphate is added for crosslinking, finally, heating and curing are conducted, modified titanium dioxide nanoparticles are added, and the formaldehyde-free starch adhesive is obtained. The wood shavings and the formaldehyde-free starch adhesive are mixed, and a core material is obtained; and arranging the core material between the formaldehyde-free veneers, and carrying out hot press molding to obtain the formaldehyde-free composite board. The formaldehyde-free composite board for the cabinet has excellent mechanical strength, bonding performance and water resistance.

The invention discloses a fluoride-free strong-acid-free reverse flotation method for extracting a high-purity quartz sand flotation product from granite pegmatite, and belongs to the technical field of mineral flotation. The method comprises the following steps: carrying out graded crushing and ore grinding on granite pegmatite to obtain slurry to be treated; carrying out wet magnetic separation on the to-be-treated slurry to obtain ore pulp after magnetic separation and magnetic-containing minerals; the pH value of the ore pulp is not adjusted, reverse flotation is carried out in the presence of a quartz mixed inhibitor, and a feldspar product and a quartz product are obtained; the quartz mixed inhibitor is a combination of a component A and a component B, wherein the component A is selected from at least one of sodium metasilicate, sodium tripolyphosphate, sodium hexametaphosphate, carboxymethyl cellulose and salinized water glass; the component B is selected from at least one of guar gum, Arabic gum, sodium humate and citric acid. The method is free of fluorine and strong acid, green and efficient, and is a method for preparing high-purity quartz sand from pegmatite with high industrial application feasibility.

The invention relates to a flow battery electrolyte and an application thereof. The flow battery electrolyte comprises vanadium ions, a supporting electrolyte and an additive, the additive is selected from one, two or more of ammonium sulfate, ammonium phosphate, potassium phosphate, sodium metaphosphate, diammonium hydrogen phosphate and hydrogen peroxide. According to the vanadium battery electrolyte provided by one embodiment of the invention, the specific additive is added, so that vanadium ions can be in a liquid state or a microemulsion state, separation or precipitation of the vanadium ions is prevented, and the efficiency of the battery is remarkably improved.

The invention relates to the technical field of etching solutions, and discloses a molybdenum-aluminum-niobium etching solution for a TFT-LCD (Thin Film Transistor Liquid Crystal Display), which comprises the following components in percentage by mass: 50 to 60 percent of phosphoric acid, 3 to 8 percent of nitric acid, 5 to 10 percent of glacial acetic acid, 1 to 5 percent of aluminum nitrate, 0.1 to 0.5 percent of diphenyl thiourea, 1 to 5 percent of etidronic acid, 3.0 to 5.0 percent of sodium hexametaphosphate, 0.1 to 0.2 percent of fatty alcohol-polyoxyethylene ether, 0.5 to 0.8 percent of amino trimethylene phosphonic acid and the balance of ultrapure water. The invention further discloses a preparation method of the molybdenum-aluminum-niobium etching solution. According to the invention, a phosphorus nitrate vinegar system, a composite additive, a novel corrosion inhibitor, a metal ion chelating agent and a surfactant matched with the etching liquid are adopted, so that the molybdenum-aluminum-niobium multi-layer composite metal film can be simultaneously etched at one time; the etching solution has the advantages of being uniform in etching, capable of inhibiting Mo / Nb etching, high in selectivity, controllable in etching rate, free of residues, long in service life, high in stability and the like.

The invention relates to the technical field of chemical mechanical polishing solutions, in particular to a chemical mechanical polishing solution for silicon carbide and a preparation method thereof, the polishing solution comprises a catalyst, abrasive particles, a dispersing agent, an oxidizing agent, a surfactant, an acid-base regulator and deionized water; the catalyst is nano platinum particles; the abrasive particles are aluminum oxide; the dispersing agent is at least one of sodium polyacrylate, sodium hexametaphosphate, hexadecyl trimethyl ammonium bromide and the like. The oxidizing agent is at least one of permanganate, pypocholoride, dichromate and the like; the surfactant is at least one of sodium dodecyl benzene sulfonate, organic bentonite and the like; the pH regulator is at least one of phosphoric acid, nitric acid, oxalic acid and citric acid. The polishing solution can effectively improve the removal rate of silicon carbide, and meanwhile, a polished silicon carbide wafer is high in flatness and free of scratches.

The application discloses a layered silicate gangue inhibitor for fine-grained copper ore flotation and a preparation method thereof. The inhibitor is composed of the following components: modified polysaccharide organic polymer 15-30%, sodium hexametaphosphate 10-30%, acrylic acid 7-15%, acrylamide 1-5%, ammonium persulfate 2-5%, hydroxyethylidene diphosphonic acid 5-15%, aluminum sulfate 2-5%, and deionized water in a residual amount. The preparation method comprises the following steps: mixing modified polysaccharide and deionized water according to a mass ratio of 1:1-1:2 to prepare solution A; polymerizing acrylic acid and acrylamide to prepare solution B; mixing solution A and solution B, and adding a formula amount of sodium hexametaphosphate to react; then adding a formula amount of hydroxyethylidene diphosphonic acid and a formula amount of aluminum sulfate to carry out complex adjustment; and finally, aging, filtering and obtaining the product. The inhibitor has a strong selective inhibiting effect on talc, phlogopite and other layered silicate gangues, can significantly improve the copper concentrate grade and recovery rate, has a small dosage, is non-toxic and environment-friendly, and can be biodegraded.

Provided according to an embodiment of the present invention is a liquid composition for tooth whitening, which comprises sodium metaphosphate and sodium fluoride (NaF), and has a pH of 4 to 6. The liquid composition for tooth whitening according to the present invention can provide excellent whitening effects while reducing oral irritation.

The present application provides a composition containing chlorine dioxide and a method for preparing chlorine dioxide tablets. The composition comprises a chlorine dioxide precursor, a stabilizer, and a corrosion inhibitor. The stabilizer is selected from one or more of hydroxypropyl-β-cyclodextrin, sodium hexametaphosphate, sodium silicate, and boron nitride. After the composition is made into tablets and activated, the resulting solution has good stability and can be stored stably for 6 months, and has low corrosion to metals, which can well solve the problems that the solution after activation of existing chlorine dioxide tablets is not easy to store and has strong corrosion to metals.

The application discloses a kind of adsorptive control materials for tunnel hole slag stone powder and application.The adsorptive control material is mixed by surface active component, complex component, anti-mud component three components according to 3-7:1:0.5-5 mass ratio;The surface active component is one or more of dodecyltrimethylammonium chloride, dodecyl dimethyl benzyl ammonium chloride, didodecyltrimethylammonium chloride;The complex component is one or more of sodium silicate, sodium hexametaphosphate;The anti-mud component is one or more of polyethylene glycol, β-cyclodextrin, dimethyl diallyl ammonium chloride.The adsorptive control material can improve the adsorption of tunnel hole slag stone powder, ensure the working performance of concrete.

The invention relates to the field of biodegradable high polymer materials, and discloses a bio-based packaging material with an anti-oxidation effect and a preparation method of the bio-based packaging material. 40 to 60 parts of polyhydroxyalkanoate; 10-20 parts of a composite antioxidant filler; the composite antioxidant filler is prepared by the following steps: (a) crushing sodium bentonite until the specific surface area is 45-55 m < 2 > / g and the particle size distribution D90 is less than or equal to 10 microns; (b) mixing bentonite powder and water according to the ratio of 1kg: 5L to form dispersion liquid with the solid content of 18%, and adding 0.3% sodium hexametaphosphate dispersing agent; (c) adding cerium nitrate; and (d) heating the product to 1050 DEG C at a speed of 8 DEG C / min, and calcining for 2 hours. Through the intercalation structure of the bentonite-based composite filler, an inorganic antioxidant component is organically combined with a bio-based polymer matrix, so that a breakthrough in long-acting oxidation resistance is realized in a completely biodegradable polylactic acid / polyhydroxyalkanoate system, and the technical bottleneck that traditional bioplastics are easy to oxidize and degrade is solved; and a sustainable solution is provided for green packaging materials.

The invention relates to the field of kaolin preparation, and discloses ultrafine whitened high-viscosity-concentration kaolin and a preparation method and application thereof.The preparation method comprises the steps that kaolin raw ore is subjected to pulping dispersion, sand and impurity removal, magnetic separation iron removal, bleaching treatment and calcination treatment, and pretreated kaolin is obtained; pulping and dispersing the pretreated kaolin; carrying out spray drying and sintering on the kaolin suspension slurry; pulping kaolin microsphere particles, uniformly stirring, adding sodium hexametaphosphate, adjusting the pH value of the system to 9-10, heating to 70-85 DEG C, dropwise adding a sodium metaaluminate solution and a dilute sulphuric acid solution in a parallel flow manner, keeping the pH value of the system, stirring, reacting, and aging to obtain alumina coated kaolin; the preparation method comprises the following steps: putting alumina-coated kaolin into a tetraethyl orthosilicate impregnation liquid, uniformly impregnating, drying and roasting, adding the prepared product into a ceramic coating, and endowing the coating with high hardness, high bonding strength, excellent wear resistance, excellent corrosion resistance and excellent fire resistance.

The invention relates to the technical field of tobacco processing, in particular to a method for inhibiting oxidative discoloration of a colorant for colored cigarette paper, and aims to solve the problem that when water-soluble azo acid dyes (such as lemon yellow and sunset yellow) coexist with a citrate combustion improver, synergistic degradation is easy to occur under illumination and high-temperature processing conditions to cause discoloration. Sodium hexametaphosphate with the mass being 0.5%-10% of that of dye is introduced into a coloring system to serve as a stabilizer. Sodium hexametaphosphate not only can chelate metal ions in a system, but also can effectively block free radical chain reaction caused by citrate, and reduce direct attack of alkali metal ions on dye chromophores, so that efficient color protection is realized through an ion isolation-free radical quenching dual mechanism. Experiments show that dye conversion can be remarkably inhibited, the inhibition rate can reach 85% or above under the optimal addition amount, and the batch color difference problem of colored cigarette paper is fundamentally solved.

This invention discloses a method for preparing high-whiteness kaolin using coal gangue with high yield, belonging to the field of high-value utilization technology of solid waste. The method involves crushing coal gangue, mixing and grinding it with oligosaccharides and water to obtain a slurry. The slurry is then filtered and dried to obtain powder. The powder is calcined and then vibrated to obtain more powder. Water is added to the powder to form a slurry, and sodium hydroxide, sodium hexametaphosphate, and sodium lignosulfonate are added sequentially under strong stirring to obtain another slurry. The slurry is then subjected to magnetic separation to remove iron and calcined in air to obtain kaolin. This method achieves high-yield purification of kaolin, with a yield exceeding 90%, and reduces the Fe content in the kaolin to below 0.25%, achieving a calcined whiteness of over 96%. The process is also simple and suitable for industrial production.

The application belongs to the technical field of disinfection, and discloses a composite disinfectant and a preparation method thereof. The disinfectant is composed of potassium hydrogen persulfate, urea peroxide, sodium percarbonate, sodium hexametaphosphate, sodium citrate, ethylenediaminetetraacetic acid disodium, sulfamic acid, sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether, cocamidopropyl betaine, nano manganese dioxide, nano silicon dioxide, nano zinc oxide, sodium carboxymethyl cellulose, polyethylene glycol 6000, amaranth red, sodium chloride and a residual amount of anhydrous sodium sulfate, and is prepared through a feeding, mixing and granulating process. The application is suitable for disinfection in multiple scenes, has high safety and a simple preparation process, and is suitable for large-scale industrial production.

The present application relates to the technical field of food processing, and discloses a kind of medicine food homologous compound fruit and vegetable drinks, the drink is made of the following weight percentage of raw materials: acacia honey 9~11%, roxburgh hawthorn original syrup 2~4%, sea buckthorn original syrup 8~10%, Chinese wolfberry original syrup 6~8%, mulberry original syrup 2~4%, blueberry original syrup 4~6%, arabic gum 0.03~0.15%, sodium hexametaphosphate 0.02~0.04%, high acyl gellan gum 0.05~0.08%, beta-cyclodextrin 0.05~0.30%, and the balance of the system is supplemented with crown pear juice, wherein the acacia honey and the roxburgh hawthorn original syrup are premixed to form a honey fruit pre-complexing liquid. The present application isolates the substrate through pre-complexing and inclusion process, slows down the cross-linking precipitation and oxidation browning of medicine food homologous components, improves the defect of easy stratification of compound fruit and vegetable material liquid, and ensures the structural stability of the drink.

The invention relates to the technical field of coatings and discloses an anti-ultraviolet coating for glass surfaces and a preparation method thereof. The coating comprises the following raw materials: methyl methacrylate, butyl acrylate, acrylic acid, hydroxyethyl acrylate, a composite additive, an initiator, talcum powder, sodium hexametaphosphate, propylene glycol methyl ether, polyethyl acrylate, polydimethylsiloxane, and water. The composite additive is titanium dioxide, which is a surface-modified antifouling modified component. The alkenyl functional groups in the titanium dioxide structure can produce cross-linking polymerization with a matrix, effectively improving the adhesion and antifouling performance of the coating. The titanium dioxide can absorb, scatter and reflect ultraviolet light, thereby giving the coating good anti-ultraviolet performance. In addition, the structure contains a large number of silicon-oxygen bonds, carbon-fluorine bonds and long alkyl chains, further improving the antifouling performance of the coating.

The present application relates to the technical field of lithium ion battery recycling, in particular to a method for stripping lithium ion battery pole piece and application thereof. The method for stripping lithium ion battery pole piece comprises: immersing the pole piece into a mixed solution containing a stripping agent and a stripping aid for reaction, and obtaining the separated active material layer and the current collector layer after a period of time; the stripping agent comprises a carboxylic acid containing at least two carboxyl groups; the stripping aid comprises at least one of sodium fluoride, potassium fluoride, ammonium fluoride, phosphoric acid, sodium phosphate, monosodium phosphate, sodium metaphosphate, potassium phosphate, monopotassium phosphate, potassium metaphosphate, ammonium phosphate, disodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, inositol hexaphosphate and its salt, inositol pentaphosphate and its salt, inositol tetraphosphate and its salt, and inositol triphosphate and its salt. The method can realize the separation of the active material and the current collector, the hydrogen production amount is small during the whole stripping process, the current collector obtained after stripping is intact, the separation time is short, and the separation efficiency is high.

The invention relates to the technical field of dust suppression materials, in particular to a multifunctional dust suppressant suitable for a coal mine and a preparation method and application of the multifunctional dust suppressant. Gastrodia elata polysaccharide and solani gum are used as base materials, the gastrodia elata polysaccharide is subjected to carboxymethylation modification so as to remarkably improve the wettability of the gastrodia elata polysaccharide, sodium trimetaphosphate is used as a cross-linking agent, and stable phosphodiester bonds are formed between carboxymethylated gastrodia elata polysaccharide and solani gum molecules under the alkaline condition; sodium dodecyl benzene sulfonate is compounded, so that the wetting and infiltration capacity of the whole system is further enhanced. Through targeted adjustment of raw material selection and raw material ratio cooperation, the prepared dust suppressant can simultaneously realize high wettability, strong cohesiveness and good water retention, and can rapidly wrap coal dust to form a compact consolidation layer with high mechanical strength, actually, the coal dust settling time is less than 20 seconds, the hardness of the consolidation layer exceeds 80 HA, and the dust suppressant has good dust suppressant performance. The dust suppression efficiency on PM10 reaches 98% or above, and good wind erosion resistance and rain erosion resistance are achieved.

The invention discloses a raw material formula capable of inhibiting bacteria, removing peculiar smell and removing formaldehyde and a preparation method of the raw material formula. The raw material formula comprises the following raw materials in percentage by mass: 12-18% of activated carbon powder, 2-4% of diatomite, 2-4% of nano titanium dioxide phosphate, 1.5-3% of a tea polyphenol extract, 0.5-1.5% of citric acid, 0.5-1.5% of plant essential oil, 1-2% of a surfactant, 0.05-0.1% of sodium metaphosphate, 0.05-0.1% of a thickening agent and the balance of deionized water. According to the raw material formula capable of inhibiting bacteria, removing peculiar smell and removing formaldehyde, a compound system with multiple synergistic effects of efficient adsorption, catalytic degradation, bacteria resistance, mildew resistance, aroma adjustment and the like is adopted, the comprehensive performance of a product is improved, and the raw material formula has multiple functions of inhibiting bacteria, removing peculiar smell, removing formaldehyde and the like, and is stable in performance and long in lasting time.

The present invention belongs to the technical field of chemical products, and specifically relates to a sprayable aqueous personal lubricant and a preparation method thereof. The aqueous personal lubricant of the present invention comprises two components, namely component A and component B; component A includes acidic heteropolysaccharide, polyhydroxy compound, and sodium alginate; component B includes borax, sodium trimetaphosphate, calcium chloride, glyceride, soy lecithin, and an auxiliary emulsifier, etc.; the two components are respectively encapsulated in two independent cavities of a self-mixing sprayer; two suction pipes connected to a hand-pressed spray head are respectively arranged in the two independent cavities. When in use, the hand-pressed spray head is pressed, and the liquids in the two cavities are simultaneously ejected and mixed. After the two components are mixed and contacted, hydrogen bonds are formed between oxygen-containing functional groups and water within and between molecules in an aqueous solution, covalent cross-linking of borate ester is formed between boric acid and hydroxyl groups, and ionic cross-linking is formed between sodium alginate and calcium ions. The cross-linking bonds are rapidly formed within a short time, the viscosity of the mixed components instantaneously increases, and significant viscosity and lubricating efficacy are exhibited.

The invention relates to a high-strength wear-resistant refractory castable and a preparation method thereof. According to the technical scheme, alpha-activated aluminum oxide micro powder, silicon carbide micro powder, silicon dioxide micro powder and white corundum micro powder are added into a ball milling tank to be subjected to ball milling and screened, and premixed powder with the particle size smaller than 45 micrometers is obtained; the preparation method comprises the following steps: carrying out ball milling on sodium tripolyphosphate, sodium hexametaphosphate, FDN, lithium chloride micro powder and aluminate cement to obtain premixed cement; the preparation method comprises the following steps: adding alumina particles with the particle size of 3-5mm, alumina particles with the particle size of 1-3mm and alumina particles with the particle size of less than 1mm into a stirring pot, and carrying out dry mixing to obtain the premixed aggregate. Adding the premixed cement and the premixed powder into the premixed aggregate, then adding steel fibers, and continuously performing dry mixing to obtain the high-strength wear-resistant refractory castable. The high-strength wear-resistant refractory castable prepared by the invention has the characteristics of high compression strength, excellent high-temperature wear resistance, high medium-temperature strength and controllable hydration process.

The invention belongs to the technical field of metal material preparation, and particularly relates to a preparation method of a reinforced and toughened magnesium-lithium alloy, which comprises the following steps: weighing magnesium, lithium, TiB2 particles, graphene nanosheets, sodium hexametaphosphate and a lithium-boron alloy, and carrying out chemical pickling, vacuum drying and low-temperature plasma activation on a magnesium block and a lithium block to obtain the reinforced and toughened magnesium-lithium alloy. Carrying out three-dimensional mixing and dispersion on the TiB2 particles and the graphene nanosheets; magnesium and lithium are heated to be molten, the dispersed TiB2 particles, graphene nanosheets, sodium hexametaphosphate and lithium-boron alloy are added, electromagnetic stirring is carried out, the obtained melt is poured into a preheated metal mold, a 0.5-1.5 T stable magnetic field is applied, then low-stress deformation is carried out, dynamic recrystallization is initiated, and finally stress relief annealing is carried out on a formed part. The tensile strength, fracture toughness and elongation of the magnesium-lithium alloy can be effectively improved, the production period is shortened, and the percent of pass is increased.