28 results about "Magnesium silicate" patented technology

Cement-based retarding mortar test mold and preparation method thereof, relate to the technical field of retarding mortar test mold, and particularly relate to a cement-based retarding mortar test mold and a preparation method thereof.The cement-based retarding mortar test mold comprises a test mold main body, the test mold main body is a cement-based test mold, the compressive strength value is 155-170 MPa, and a test groove is arranged in the test mold main body; the inner surface of the test groove is sprayed with a composite aqueous solution of sodium silicate, magnesium fluorosilicate and potassium fluorosilicate for surface treatment, and the spraying ratio is that the mass ratio of sodium silicate, magnesium fluorosilicate, potassium fluorosilicate and deionized water is (2.9-3.1) :(1.9-2.1) :(0.9-1.1) :(3.9-4.1). The cement-based retarding mortar test mold has the positive effect that the test data in a laboratory can be matched with the field construction data, and production enterprises can adjust the mixing ratio in time according to the field construction to improve the engineering quality.

The application discloses a high-opening transparent polyethylene film, which is prepared from the following raw materials: 100 parts by mass of linear low-density polyethylene, 0.025-0.055 parts by mass of a compounded opening agent, 0.05-0.20 parts by mass of a slip agent and 0.05-0.20 parts by mass of an antioxidant; the compounded opening agent is compounded from silane-modified silicon dioxide, hydrated magnesium silicate and a cyclic olefin polymer, the mass ratio of the silicon dioxide, the hydrated magnesium silicate and the cyclic olefin polymer is 1:1:2-3:3:1, the slip agent is erucic acid amide, and the melt mass flow rate of the cyclic olefin polymer at 230 DEG C and under a load of 2.16KG is 3-10 g / 10min. By compounding the three opening agents, the amount of the silicon dioxide used is greatly reduced compared with the prior art.

This invention discloses a softening treatment device and method for high-temperature oilfield wastewater, relating to the field of wastewater treatment technology. Oilfield wastewater enters a pre-desorption tank for impurity removal. The barium-strontium adsorption tank contains, from top to bottom, a fine quartz sand layer, a chelating resin layer, and a coarse quartz sand layer. The silicate pre-desorption tank contains an acid-base regulator, a dispersant, and a magnesium oxide suspension. The carbonate softening tank contains a dispersant, a coagulant aid, a soda ash solution, and a chelating agent. The stabilizing tank contains, from top to bottom, a modified activated carbon layer and an exchange resin layer. This invention uses the pre-desorption tank to initially separate oil, suspended solids, and corrosion products. A specialized chelating resin selectively adsorbs barium-strontium ions. In the silicate pre-desorption tank, pH is precisely controlled and magnesium oxide is added to directionally generate settleable magnesium silicate flocs. In the carbonate softening tank, crystal form control and coagulation aid work synergistically to promote the precipitation of calcium and magnesium in the form of large calcite particles.

This invention relates to the field of biomedicine and hygiene disinfection products technology, and discloses a method for preparing a slightly acidic oxidizing potential hydrogel. The gel is made from slightly acidic oxidizing potential water and an inorganic gelling agent, lithium magnesium silicate. The preparation method includes: separately preparing strongly acidic oxidizing potential water and alkaline reducing potential water by electrolysis; mixing the two online in a preset ratio; adjusting the pH value to 5.0 to 6.5 through a neutralization reaction; subsequently adding lithium magnesium silicate; and then dispersing the mixture through high-speed shearing and sealing for static swelling to form a gel. This invention solves the problems of easy decomposition of available chlorine and gel liquefaction by utilizing an inorganic gel system, resulting in a gel with high stability and a long shelf life. This product solves the problem of easy loss of liquid disinfectants, prolongs the bactericidal effect time on wounds and oral ulcers, and is non-irritating and non-sensitizing to the skin, making it suitable for long-term disinfection of hands, skin, and mucous membranes.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

This invention discloses a method for preparing high-density bulk polycrystalline serpentine under hot isostatic pressing, comprising: sealing serpentine sample powder under a vacuum of 10... –3 The steel cladding was placed inside the graphite furnace cylinder of the high-pressure vessel of a hot isostatic pressing (HIP) apparatus, and a graphite sealing cap was placed on top. Using argon as the pressure transmission medium, the temperature inside the sample chamber of the cylinder was raised to 800 °C and the pressure to 95.1 MPa using a multi-gradient cylinder heating and pressurization method, and the temperature and pressure were maintained for 8 hours. Then, the temperature inside the sample chamber of the cylinder was reduced to 167 °C and the pressure was reduced to 64.4 MPa. Finally, the pressure was released and the temperature was cooled to room temperature to obtain polycrystalline serpentine aggregate. This method fills the technical gap in the preparation of large-volume, water-rich magnesium silicate mineral experimental samples of high-density polycrystalline serpentine aggregate under high temperature and high pressure conditions.

Disclosed herein are penetration compositions comprising a 1,3-propanediol carrier and a binder or a copper-based wood penetration composition. The binder can be, e.g., sodium silicate, sodium carbonate, trisodium phosphate, potassium silicate, lithium silicate, magnesium silicate, calcium silicate, ammonium silicate, or a combination thereof. Also disclosed herein are methods of improving stability and penetration of binder into a substrate comprising impregnating the substrate with the presently disclosed penetration compositions.

This invention belongs to the technical field of secondary battery components. More specifically, it relates to a tab for a cylindrical battery and its preparation method. The tab for a cylindrical battery of this invention includes a conductive sheet substrate; the conductive sheet substrate includes a connecting portion for electrical connection and a non-connecting portion adjacent to the connecting portion; the surface of the non-connecting portion is coated with an insulating layer; wherein the insulating layer includes a photocurable resin and hydrated magnesium silicate dispersed in the photocurable resin. The ratio of the thickness of the insulating layer to the thickness of the tab is 0.01-0.3, and the thickness of the tab is 0.5-3 mm; the D50 of the hydrated magnesium silicate is 1-5 μm; the D90 of the hydrated magnesium silicate is not greater than 10 μm, and the particle size distribution span of the hydrated magnesium silicate is not greater than 2.0.

This invention discloses a sulfated modified sodium alginate, its preparation method, and its applications. Urea is heated and melted to obtain urea liquid. Sodium alginate powder is added to the urea liquid to form a dispersion. The mixture is then cooled to 50-70°C, aminosulfonic acid is added, and a protective atmosphere is introduced at a flow rate of 50-200 mL / min. The temperature is then raised to 100-140°C, and the reaction yields sulfated modified sodium alginate. When this product is used as a flotation depressant for magnesium silicate gangues, it utilizes the specific bidentate chelating effect and strong hydration ability of the sulfate ester groups on the talc surface to form a dense molecular shielding film. Simultaneously, it effectively avoids non-specific adsorption on the surface of valuable metal minerals (such as molybdenite) through strong electrostatic repulsion. This invention not only significantly improves the flotation separation efficiency of valuable minerals but also features a simple, environmentally friendly synthesis process with broad industrial application prospects.

This invention provides an asbestos tailings-based material for the reduction of hexavalent chromium and its preparation method. The material uses asbestos tailings as raw material, which is solidified in an alkaline silicate system and foamed to form a porous magnesium silicate framework. An MXene-oxalic acid intercalated composite is loaded and confined within the pores of the porous framework through vacuum and pressure impregnation. The redox activity of MXene is utilized to achieve efficient reduction of hexavalent chromium to trivalent chromium, while the intercalated oxalic acid stabilizes and fixes the reduction product. Furthermore, an antioxidant functional layer is constructed in situ on the material surface to inhibit the deactivation and re-oxidation of active components in an oxygen-containing water environment, ultimately improving the material's hexavalent chromium removal efficiency, product fixation ability, and long-term stability.

This invention discloses an aqueous ceramic glaze ink, its preparation method, and its application, relating to the field of ceramic printing technology. The invention uses lithium magnesium silicate as an inorganic rheology modifier; its three-dimensional network structure effectively blocks and supports solid particles and regulates the ink's shear-thinning properties. Compared to natural layered silicates, lithium magnesium silicate has higher purity, more stable performance, stronger resistance to high-valence ions, and controllable thixotropy. Sodium tripolyphosphate is added to the base glaze to chelate calcium ions, reducing damage to the lithium magnesium silicate structure. Sodium hexametaphosphate is added to enhance dispersion and chelation, water glass provides an alkaline environment to stabilize the structure, and sodium carboxymethyl cellulose is used for thickening and stabilization. By first preparing a lithium magnesium silicate solution and then compounding it with the base glaze, electrolyte shock is reduced, and system stability is improved.

The application discloses application of phosphatized modified lignin sulfonate and a method for separating sulfide minerals from magnesium silicate minerals, and belongs to the technical field of sulfide ore dressing. The phosphatized modified lignin sulfonate is used as an inhibitor of the magnesium silicate minerals, phosphoric acid groups are introduced into original phenolic hydroxyl sites, and the phosphoric acid groups and sulfonic acid groups of the lignin sulfonate are synergistically used, so that the selective adsorption capacity and potential regulation performance of the lignin sulfonate on the surface of serpentine are enhanced, and the inhibition performance and the flotation efficiency of the flotation reagent are significantly improved. Meanwhile, the application also provides a short process flow, and a method for efficiently separating sulfide minerals from magnesium silicate gangue minerals is realized, and the flotation recovery rate and grade of the sulfide minerals in a mixed ore flotation system are greatly improved.

This invention relates to the field of metal surface treatment technology, specifically to a low-cost, high-corrosion-resistant micro-arc oxidation film for magnesium alloys and its preparation method. First, the magnesium alloy workpiece is pretreated. Then, an electrolyte for the micro-arc oxidation process is prepared. The pretreated magnesium alloy workpiece is used as the anode, and stainless steel as the cathode, placed in the electrolyte for micro-arc oxidation, ultimately yielding a dense oxide film. This invention utilizes an externally controlled electrical parameter process of "online monitoring and regulation control + composite carrier wave," combined with a low-energy-consumption electrolyte system, to achieve the desired dense oxide film. The main components of the oxide film are magnesium silicate, magnesium phosphate, magnesium oxide, magnesium fluoride, and zirconium oxide, resulting in high film hardness and improved wear resistance. It achieves a neutral salt spray test rating of ≥480h (10μm) at level 9, meeting the performance requirements of automotive parts and suitable for large-scale industrial production, with a comprehensive energy consumption reduction of 50%~60%.

This invention discloses a multifunctional potassium peroxymonosulfate composite effervescent tablet and its preparation method, belonging to the field of water treatment and disinfection formulation technology. The effervescent tablet is composed of potassium peroxymonosulfate composite salt, microencapsulated citric acid, a sodium bicarbonate / sodium carbonate mixture, sodium chloride, natural saponin extract, magnesium silicate-loaded hydrogen peroxide powder, polyvinyl alcohol-sodium alginate composite binder, magnesium stearate, and anhydrous sodium sulfate. By introducing pH-responsive microencapsulation technology to achieve gradient release of active ingredients, utilizing magnesium silicate-loaded hydrogen peroxide powder to achieve bottom flocculation and continuous oxygenation, and employing natural saponins to enhance biofilm penetration. This invention effectively solves the problems of excessively rapid release, high pH sensitivity, and lack of targeting in existing potassium peroxymonosulfate effervescent tablets, significantly extending the effective action time and improving the sterilization, algae removal, and water quality improvement effects. It is suitable for various scenarios such as aquaculture water bodies, landscape lakes, and emergency disinfection.

The application discloses a ZTA ceramic intervertebral fusion cage and a preparation method and application thereof. The ZTA ceramic intervertebral fusion cage is composed of a dense outer wall and a porous inner part, wherein the porous inner part has a gradient porous three-period minimal surface structure; the material of the ZTA ceramic intervertebral fusion cage is a calcium-magnesium silicate mineral / ZTA composite ceramic material, and the preparation process comprises the following steps: ceramic powder and photosensitive raw materials are prepared according to a design proportion, ceramic slurry is obtained by mixing, the ceramic slurry is added into a photocuring printing device, photocuring printing is carried out according to a ZTA ceramic intervertebral fusion cage model to obtain a ceramic green body, and the ZTA ceramic intervertebral fusion cage is obtained by performing degreasing and sintering on the ceramic green body. The gradient biomimetic structure intervertebral fusion cage provided by the application has the properties of matching the mechanical property of autologous bone, adjustable performance, good biocompatibility, good bone inductive performance and the like.

A refractory brick and its preparation method are disclosed, belonging to the field of refractory material preparation. The refractory brick, by weight, comprises the following components: 65-85 parts high-purity magnesium oxide, 8-16 parts modified flake graphite, 0.5-1.5 parts zirconium oxide, 3-4 parts composite binder, 1-3 parts antioxidant, and 3-6 parts liquid phenolic resin. The modified flake graphite is prepared from liquid polyborosilazane, an initiator, and flake graphite. The composite binder is composed of alumina nano-sol, calcium lignosulfonate, hydrated magnesium silicate fiber, and octyl borate. The refractory brick prepared by this invention exhibits good room-temperature compressive strength, high-temperature flexural strength, and slag corrosion resistance, meeting the needs of some existing markets.

This invention relates to the field of building material additives, specifically a viscosity modifier for dry-mixed mortar and its preparation method. The modifier, by weight percentage, comprises 2-20% bio-adhesive, 2-20% polymer, 60-90% modified inorganic suspending agent, and 1-3% anti-caking agent. The bio-adhesive is a combination of two or more types, such as xanthan gum; the polymer is a combination of one or more types, such as polyacrylamide; the modified inorganic suspending agent is a combination of one or more types, such as surfactant-modified magnesium aluminum silicate; and the anti-caking agent is a combination of one or more types, such as fumed silica. The preparation includes mixing at room temperature for 30-60 minutes, pulverizing, and drying at 90-105℃. This modifier exhibits shear-thinning properties and excellent water retention, effectively solving the problem of segregation and bleeding in dry-mixed mortar. It is suitable for cement-based and gypsum-based dry-mixed mortars, requires a small dosage, has minimal impact on flowability, exhibits good self-healing properties, and its dry powder form facilitates mixing and addition, making construction convenient.

The application discloses application of phosphonated cellulose nanofiber and a method for separating sulfide minerals and magnesium silicate minerals by flotation, and belongs to the technical field of flotation reagents.The phosphonated cellulose nanofiber is used as an inhibitor of the magnesium silicate minerals, and the phosphonated cellulose nanofiber refers to that a phosphate group is connected to a surface hydroxyl group of cellulose nanofiber through a P-O-C phosphate ester bond.Compared with current inhibitors, the phosphonated cellulose nanofiber has the advantages of environmental friendliness and excellent performance, the phosphate group introduced on the surface of the phosphonated cellulose nanofiber significantly enhances the surface action capacity of the phosphonated cellulose nanofiber on the magnesium-containing minerals, and the electrostatic repulsion between the sulfide minerals and the phosphonated cellulose nanofiber is enhanced, so that the selective inhibition effect of the gangue minerals is improved, and efficient separation of the sulfide minerals and the magnesium silicate minerals is realized.

The application discloses a kind of testis tablets for promoting male growth and development and preparation method thereof in the technical field of pharmaceutical preparation, first, modified mesoporous magnesium aluminum silicate complex and phosphoric acid functionalized calcium phosphate-titanium dioxide nanocomposite are prepared respectively, the former is synthesized by template agent oriented hydrothermal reaction under specific weak alkaline condition, and the latter is synthesized by coprecipitation and reflux aging reaction regulated by citrate.The dry powder of bovine testis is mixed with the above two kinds of adjuvant and microcrystalline cellulose, croscarmellose sodium and the like, and the testis tablets are prepared by granulation, adding magnesium stearate lubricant and then pressing and coating.The key innovation of the application lies in the efficient adsorption of two new adjuvants to adsorb the oil in bovine testis, and the content of dry powder of bovine testis in each testis tablet is 0.38g, thereby significantly improving the bioavailability and clinical efficacy of the preparation, and the product quality is stable and suitable for industrial production.

The application discloses a sensing layer containing self-assembled modified magnesium aluminum silicate, a sensor and a preparation method thereof. The sensing layer containing self-assembled modified magnesium aluminum silicate is formed by dropping and coating a sensing layer solution capable of self-assembling with a modified layer on the modified layer obtained by grafting a hydrophilic organic polymer on a working electrode of a flexible electrode. The sensing layer solution comprises a redox polymer, a tool enzyme, a crosslinking agent A and magnesium aluminum silicate. The mass ratio of the redox polymer, the tool enzyme, the crosslinking agent A and the magnesium aluminum silicate is 15-40:20-45:5-30:1-10. The hydrophilic organic polymer is grafted on the surface of the working electrode, and the hydrophilic organic polymer can be self-assembled with the magnesium aluminum silicate. The self-assembled and modified magnesium aluminum silicate has excellent gel performance and rheological property, has good film forming effect, and can improve the consistency, stability and accuracy of the sensor.

This invention relates to a method for synthesizing high-viscosity magnesium silicate and its derivatives using complexation and dispersion effects. The method includes the following steps: mixing a magnesium-containing compound, a silicon-containing compound, a modified compound, and an additive, wherein the additive is one or more of a complexing agent, a dispersant, and a steric hindrance agent. After meeting the reaction conditions, the mixture is transferred to a pressure vessel. After the reaction is complete, the mixture is removed, cooled, and dried to obtain the high-viscosity magnesium silicate and its derivatives. The beneficial effects are: This invention utilizes the complexing agent and the barrier effect of the dispersant to intensify the hydration reaction during grinding, avoiding particle aggregation and condensation. This ensures thorough mixing of magnesium, silicon, and other reactants, meeting the chemical reaction conditions. It can replace bentonite to achieve a higher thickening effect, and the product can be made into a colorless and transparent thickening solution. Specifically, a 2 t% aqueous solution can form a gel-like jelly with complete swelling, resulting in a wider range of applications and a better market prospect.

This invention relates to the field of pesticide preparation technology, specifically to a suspension containing azoxystrobin and fluopyram and its preparation method, comprising the following components by mass percentage: azoxystrobin 10%-25%, fluopyram 15%-30%, alkyl naphthalene sulfonate formaldehyde condensate 2%-3%, polycarboxylate derivatives or fatty alcohol polyoxyethylene ether phosphate 3%-4%, nanocellulose 0.2%-0.5%, xanthan gum or magnesium aluminum silicate 0.1%-0.3%, ethylene glycol or propylene glycol 5%-10%, Kathon or phenoxyethanol 0.2%-0.5%, organosilicon defoamer or polyether defoamer 0.5%-1.2%, organosilicon synergist or isomeric tridecyl alcohol polyoxyethylene ether 5%-8%, citric acid or potassium dihydrogen phosphate 2%-5%, and deionized water 5.5%-57%. The suspension containing oxadiazon and fluopyram and its preparation method provided by this invention effectively solve the technical problems of poor stability, uneven component dispersion and poor application effect of existing compound suspensions, and have many technical advantages.

This invention belongs to the field of deep-earth engineering materials technology, and specifically relates to a magnesium silicate cementitious material, its preparation method, and its application. The raw materials for preparing the magnesium silicate cementitious material of this invention include quartz powder, magnesium hydroxide, and water; the molar ratio of magnesium to silicon in the raw materials is (0.75-1.5):1. This invention prepares a gel material by using specific magnesium hydroxide combined with quartz powder and water, and by precisely controlling the Mg / Si molar ratio to (0.75-1.5):1, enabling the system to stably form a cementitious structure dominated by amorphous hydrated magnesium silicate (M-S-H) gel under high-temperature conditions. This effectively avoids the high-temperature phase transformation problem of C-S-H gel in traditional silicate cement, as well as the crystallization problem of hydration products under high-temperature conditions, fundamentally improving the structural stability of the material under high-temperature environments, while also increasing the compressive strength of the material.

The present invention relates to a process for producing a cement 60, wherein a clay mineral 10 is used as the first reactant, the clay mineral 10 being selected from the group comprising claystone, marl, and mud, in particular harbor mud; wherein a calcium carrier 20 is used as the second reactant, the calcium carrier 20 being selected from the group comprising limestone 40, marl, dolomite, recycled concrete particles, recycled cement paste, carbonated recycled concrete particles, fly ash, carbonated fly ash, aragonite-containing materials, vaterite-containing materials, shell limestone, slags, in particular blast furnace slag, granulated blast furnace slag, electric arc furnace slag, LD slag, and calcium and magnesium silicates; wherein clinker 30 is used as the third reactant; wherein the first reactant and the second reactant are activated separately or jointly mechanochemically in a mill to a first product 14 and a second product 24.wherein the first product 14 and the second product 24 are mixed in a mass ratio of 1:10 to 30:1, wherein the first product 14 and the second product 24 are added in total to 10 to 80 wt.% and the third reactant in 20 to 90 wt.%, wherein 0 to 30 wt.% limestone 40 is added, wherein 0 to 10 wt.% further reactants are added, wherein the sum of all components is always 100%.

A facial mask for caring for keratin materials is disclosed, comprising: A) having a porosity ranging from 0.2% to 0.6% and a porosity ranging from 0.01 g / cm³. 3 Up to 0.2 g / cm 3 The invention relates to: (i) a water-insoluble substrate of a certain density; (ii) a composition in the form of an oil-in-water emulsion impregnated in the substrate, comprising: i) at least 2% by weight magnesium aluminum silicate relative to the total weight of the composition; ii) at least one clay different from magnesium aluminum silicate; iii) at least one hydrophilic thickener; iv) at least one nonionic surfactant; and v) at least one emollient; wherein the composition has a viscosity in the range of 40 UD to 80 UD. The invention also relates to a non-therapeutic method for treating keratin materials, comprising: (i) applying a mask to the keratin material; (ii) leaving the mask on the keratin material for a period of time; and (iii) removing the mask from the keratin material.