48 results about "Borate glass" patented technology

The invention provides ceramic silicone rubber as well as a preparation method and application thereof, and belongs to the technical field of functional materials. The ceramic silicone rubber provided by the invention is prepared from the following preparation raw materials in parts by mass: 90-105 parts of methyl vinyl silicone rubber; 35 to 45 parts of fumed silica; 3-10 parts of hydroxyl silicone oil; 0.1 to 8 parts of a silane coupling agent; 1-75 parts of an inorganic filler; the inorganic filler is mica powder, montmorillonite and wollastonite; 10-30 parts of low-melting-point glass powder, the melting point of the low-melting-point glass powder is 400-600 DEG C, and the low-melting-point glass powder is borate glass powder and / or phosphate glass powder; 0.1 to 0.3 part of platinum flame retardant; 0.5 to 1.5 parts of a vulcanizing agent; and 0.1-0.5 part of an internal release agent. The ceramic silicone rubber provided by the invention can maintain higher tensile strength and elongation at break on the basis of ensuring better ceramic performance.

The present invention relates to the technical field of thermal insulation materials, and specifically discloses an aerogel composite thermal insulation coating and a preparation method thereof. In the composite emulsion provided by the present invention, the monomer raw materials are selected from 4-vinylphenylboronic acid, styrene, and acrylate. The polystyrene structure and the alkyl long-chain structure of polyacrylate formed by polymerization have strong hydrophobic properties, improving the hydrophobicity of the coating. At the same time, the polystyrene structure can also endow the coating with a certain thermal insulation effect. The boric acid groups in 4-vinylphenylboronic acid form a B-O-B cross-linked network structure at high temperatures, which can form a borate glass layer with zirconia in the modified montmorillonite, improving the density and thermal stability of the carbon layer, and further improving the flame retardant effect of the coating. And by modifying the montmorillonite, the hydrophobicity and flame retardant effect of the coating are further improved.

The present invention belongs to the cross - field of glass preparation technology and electrochemical material technology, relates to glass electrode materials, and specifically relates to an iron borate glass material with a high iron - to - boron ratio and its application as a battery negative electrode material. Starting from the structure and composition of Fe2O3 - B2O3 glass, by corroding with acid, part of B2O3 in the glass will be corroded away, which will increase the Fe2O3:B2O3 ratio in each sample. Especially for the glass sample after acid treatment, its Fe2O3:B2O3 is much greater than 3 / 7, which is a glass material difficult to prepare by the traditional melting - cooling method; at the same time, the prepared material is still in a glassy state, and when it is applied to the battery negative electrode, the reversible capacity is increased by nearly 50%.

This invention discloses a drilling visual plugging device, a plugging test system, a plugging test method, and its application. The plugging device includes: a cup body, a heating jacket, an upper cup cover, and a lower cup cover; the cup body has a cuboid structure with an inner cavity for holding the test fluid, and a mounting groove for placing the test piece at the lower end of the inner cavity; the upper cup cover has an upper connecting hole for connecting to an external pressure manifold, and the lower cup cover has a lower connecting hole for serving as a flow channel for leakage fluid; the heating jacket includes: a fixed surface and an openable surface; the two form a cavity for holding the cup body; one side of the openable surface is hinged to its adjacent fixed surface, and the other side has a locking element that can be fitted with its adjacent fixed surface to lock the cup body in the closed state; the openable surfaces of the cup body and the heating jacket are made of borosilicate glass, and the diameter of the inner cavity of the cup body is one-third to two-thirds of the width of the cup body. This invention meets the requirements of the plugging device for high-temperature and high-pressure visualization.

The invention relates to the technical field of thermal insulation materials, and particularly discloses an aerogel composite thermal insulation coating and a preparation method thereof.In composite emulsion provided by the invention, monomer raw materials are selected from 4-vinyl phenylboronic acid, styrene and acrylate; a polystyrene structure formed by polymerization and an alkyl long-chain structure of polyacrylate have strong hydrophobic characteristics, so that the hydrophobicity of the coating is improved; meanwhile, the polystyrene structure can also endow the coating with a certain heat preservation effect; boric acid groups in 4-vinylphenylboronic acid form a B-O-B cross-linked network structure at a high temperature, and can form a borate glass layer with zirconium oxide in modified montmorillonite, so that the compactness and thermal stability of a carbon layer are improved, and the flame-retardant effect of the coating is further improved; and montmorillonite is subjected to modification treatment, so that the hydrophobicity and the flame-retardant effect of the coating are further improved.

The invention discloses LiTaO3: Tb < 3 + > nanocrystalline glass ceramic capable of capturing carriers as well as a preparation method and application of the LiTaO3: Tb < 3 + > nanocrystalline glass ceramic, and belongs to the technical field of solid luminescent materials. The glass ceramic is prepared from 66.67 mol% of H3BO3, 25 mol% of Li2CO3, 8.33 mol% of Ta2O5, and 0.02 mol% to 0.08 mol% of Tb4O7 which is externally doped with the glass ceramic. Through the steps of powder raw material preparation, high-temperature melting, quenching forming, annealing and heat treatment, a LiTaO3 nanocrystalline phase is precipitated in situ in a borate glass matrix, the LiTaO3: Tb < 3 + > nanocrystalline glass ceramic with three different depth traps is formed by doping Tb < 3 + >, the single particle size of the glass ceramic is 121 nm, and the transmittance can reach 93%; the glass ceramic can effectively capture and store carriers by using different types of traps, improves storage of electron hole pairs under X-ray excitation, and can still realize signal reading after X-ray excitation is stopped.

The present invention discloses a glass composition for an eco-friendly detergent, and a method for preparing glass powder for an eco-friendly detergent by using same, wherein the glass composition based on borate-based glass containing large amounts of MgO, CaO, K2O, Na2O, and B2O3 and a trace amount of SiO2 exhibits maximized elution of ions such as K+, Na+, Ca2+, Mg2+, etc., whereby a high concentration of eluate can be prepared. As a result, the glass composition for an eco-friendly detergent and the method for preparing glass powder for an eco-friendly detergent allow for the repeated use of a certain amount of glass and can uniformly maintain cleansing performance even to 40 cleansing rounds or more.

Disclosed in the present invention are an antimicrobial glass composition comprising a mixture of two types of glass, an antimicrobial glass powder thereof, and a method for producing same. The dual-type antimicrobial glass composition is prepared by mixing an Ag-containing borate glass and a Zn-containing phosphate glass to appropriately utilize two antimicrobial active substances. The dual-type antimicrobial glass composition is designed such that the Ag-containing borate glass and the Zn-containing phosphate glass have different elution rates when exposed to moisture or the like, thereby forming a crystalline phase in which an elution of Ag does not manifest as discoloration and thus suppressing discoloration caused by reduction of Ag.

The present application relates to electronic glass fiber sizing material technical field, disclose a kind of composite modified starch for electronic glass fiber secondary sizing and its preparation method. With deionized water, high amylose starch, sodium sulfate, sodium hydroxide solution, acrylamide, vinyl acetate and oxidant as main raw material, and introduce low ash hydroxypropyl trimethyl ammonium hydroxypropyl sulfonic acid double ion polyglycerol borate glass affinity modification compound and methoxy polyethylene glycol succinic acid monoester aminopropyl silane amide low ash flexible film-forming modification compound, by suspension dispersion, carbamoyl ethyl modification, composite esterification modification, oxidation viscosity reduction, neutralization, centrifugation, washing, drying and crushing are prepared. The obtained composite modified starch has the characteristics of low ash, good film-forming property, sizing film flexible and transparent, viscosity stability, strong affinity with electronic glass fiber surface, easy desizing and low residual.

The invention provides a flexible fireproof cable resistant to the temperature of 1100 DEG C and a production method, and relates to the technical field of special cables, and the flexible fireproof cable resistant to the temperature of 1100 DEG C comprises a conductor, a conductor fireproof layer, a heat insulation layer, a heat insulation layer protection layer and a metal layer which are sequentially arranged from inside to outside; the conductor fireproof layer is formed by wrapping an inorganic mineral composite belt; according to the inorganic mineral composite belt, inorganic silicate sodium silicate is used as a base material, any one or more of mica, kaolin, borate, glass powder, wollastonite, talcum powder, bentonite and aluminum hydroxide are added to serve as ceramic filler, and the mass ratio of the base material to the ceramic filler is 100: 75. The cable has the characteristics of high temperature resistance of 1100 DEG C, fire resistance, flame retardance, excellent electrical insulation performance, small outer diameter, light weight and excellent bending performance.

The present invention relates to the use of binary manganese borate glasses as active materials for positive electrodes, in particular metal-ion batteries, as well as said active materials and electrodes per se. (no figure)

The invention relates to the technical field of cover plate glass, in particular to lithium aluminum borate glass as well as a strengthening method and application thereof. The strengthening method comprises the following steps: storing lithium aluminum borate glass to obtain pretreated lithium aluminum borate base glass; the pretreated lithium aluminum borate base glass is subjected to microcrystallization treatment, and microcrystalline lithium aluminum borate base glass is obtained; and performing maintenance treatment on the microcrystalline lithium aluminum borate base glass in a high-temperature and high-humidity environment to obtain the lithium aluminum borate glass. The strengthening method provided by the invention not only promotes the loosening of the surface structure of the lithium aluminum borate base glass, realizes the uniform precipitation of a nanoscale crystal phase and effectively regulates and controls a residual amorphous phase network, but also synchronously improves the fracture toughness, Vickers hardness and cracking resistance of the lithium aluminum borate glass; and the technical bottleneck that the three performance indexes are difficult to consider in the traditional strengthening technology is successfully broken through.

The application provides a borate glass for high-stability white light LED, a rapid preparation method and application thereof, and the borate glass for white light LED is prepared from the following raw materials in terms of molar percentage: 49.9-50.1% of B2O3, 24.9-25.1% of SiO2, (20-x)% of Al2O3, 4.9-5.1% of PbO and x% of Dy2O3, wherein x=1-2. The borate glass for white light LED is prepared from B2O3, SiO2, Al2O3, PbO and Dy2O3 as base materials for the first time, and the borate glass has a good application prospect as up-conversion luminescent glass material in the field of white light LED.

The present application provides a rare-earth doped multi-color fluorescence-emitting borate glass and a preparation method thereof. The chemical general formula of the multi-color fluorescence-emitting borate glass is Sr 2.99 B 14 O 24 : 0.01RE 3+ , where RE is any one of the four rare-earth elements Ce, Tb, Sm, and Eu. The multi-color fluorescence-emitting borate glass of the present application is an inorganic light conversion material, which can simultaneously play the roles of a luminescent converter and a packaging material of a phosphor and an organic resin in packaging, and overcomes the disadvantages of the phosphor requiring the use of an organic packaging resin. The multi-color fluorescence-emitting borate glass of the present application doped with different rare-earth ions in the same matrix obtains a glass that emits trichromatic fluorescence. It produces good monochromatic light, has stable structure and stable luminescence under blue light or near-ultraviolet light excitation, and the emission range is 460-620 nm. It can emit blue, green, orange, and red light respectively under the irradiation of blue light or near-ultraviolet light, and can well match the blue-violet light chip for manufacturing WLEDs, showing outstanding advantages in the application of WLEDs.

It provides an autoclavable electrical feedthrough. [Solution] The present invention relates to an electrical feedthrough comprising a substrate 20 including at least one through-opening 22 extending through the substrate, and an insulating material 30 housed in the through-opening extending through the substrate, which is made of or contains glass. Furthermore, the electrical feedthrough comprises at least one electrical conductor 40 extending through the insulating material housed in the through-opening, wherein the substrate contains titanium or a titanium alloy. The electrical feedthrough is characterized in that the glass is a special alkaline earth metal oxide-containing lanthanum borate glass that has improved hydrolysis resistance and can withstand the harsh conditions of multiple autoclave treatments. The feedthrough with glass has at least 1 × 10⁻¹⁰ 9 It has an insulating resistance in ohms.

The application discloses a glass antibacterial agent and a preparation method and application thereof, and antibacterial glass slurry. The glass antibacterial agent comprises a glass base and an antibacterial metal oxide; the antibacterial metal oxide is ZnO and / or CuO; the content of the antibacterial metal oxide is 12wt%-35wt%; the glass base is one or more of silicate glass, borate glass, borosilicate glass and phosphate glass; wherein, the glass base comprises an alkaline earth metal oxide; the content of the alkaline earth metal oxide is 4wt%-20wt%. The glass antibacterial agent in the application has good stability, can be stored at room temperature for 3-6 months without sedimentation and agglomeration, has good dispersing performance in paint, and can make the paint have excellent antibacterial performance; meanwhile, the preparation method of the glass antibacterial agent in the application is simple and safe, is suitable for large-scale production, and has wide application prospect in the fields of paint and fiber.

Disclosed are an environmentally-friendly glass composition for laundry detergents and washing supplements, and a method for manufacturing a glass powder thereof, wherein the glass composition is a borate glass containing large amounts of K2O and Na2O and a small amount of SiO2, and the elution properties of ions are maximized, thus enabling the production of a high concentration of elution water. As a result, the present invention uses to advantage the low chemical durability of borate glass, which is a major disadvantage of borate glass, and thereby maximizes the elution properties of the glass to form a large amount of OH− ions and B(OH)4− ions within a short period of time, and thus can exhibit excellent washing power during the washing of laundry.

The application relates to the technical field of solid light-emitting materials, in particular to a CsPbBr3 perovskite quantum dot germanoborate glass material and a preparation method and application thereof. The CsPbBr3 perovskite quantum dot germanoborate glass material provided by the application comprises, in terms of the mass fraction, GeO2 25-29 parts, H3BO3 100-108 parts, ZnO 2-6 parts, SrCO3 1-4 parts, Cs2CO3 3-8 parts, PbO 2-7 parts and NaBr 1-8 parts. The perovskite quantum dots are embedded in the germanoborate glass, the environmental stability of the perovskite quantum dots is improved, and the application prospect of the perovskite quantum dots in photoelectric devices is expanded. Further, by introducing LiF into the perovskite quantum dot germanoborate glass material, the fluorescence quantum yield of the perovskite quantum dot glass is improved, and the environmental stability of the perovskite quantum dots is further improved.

The invention relates to the technical field of glass fertilizers, and discloses a composition for a slow-release glass lithium fertilizer, the slow-release glass lithium fertilizer and a preparation method of the slow-release glass lithium fertilizer. Based on the total mass of the composition, the composition comprises 70wt%-80wt% of a lithium-based silicate material and 20wt%-30wt% of a component A, based on the total mass of the lithium-based silicate material, the lithium-based silicate material comprises 58wt%-72wt% of silicon dioxide, 4wt%-24wt% of aluminum oxide and 2wt%-18wt% of lithium oxide; the component A is a boron-containing raw material for forming borate glass and / or a phosphorus-containing raw material for forming phosphate glass. The lithium element in the slow-release glass lithium fertilizer obtained by adopting the composition provided by the invention can be effectively and slowly released, and the slow-release glass lithium fertilizer has continuous and long-term fertility, and can avoid adverse effects caused by too much and too thick fertilization or improper fertilization methods for plants.

Provided are a coating composite, and a coated abrasive and a preparation method thereof. The coating composite includes the following components in parts by mass: 100 parts to 120 parts of borate glass, 50 parts to 60 parts of aluminium oxide, 100 parts to 120 parts of potash feldspar, 10 parts to 20 parts of cryolite, and 10 parts to 20 parts of calcium fluoride.

To provide an optically transparent glass ceramic material having a crystalline tungsten bronze phase.SOLUTION: An optically transparent glass-ceramic material comprising a glass phase and a crystalline tungsten bronze phase comprising nanoparticles and having the formula MxWO3, wherein M comprises at least one of H, Li, Na, K, Rb, Cs, Ca, Sr, Ba, Zn, Cu, Ag, Sn, Cd, In, Tl, Pb, Bi, Th, La, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, and U, and 0 <x <1. Alumino-silicate and zinc-bismuth-borate glasses including at least one of Sm2O3, Pr2O3, and Er2O3 are also provided.SELECTED DRAWING: None

The invention belongs to the technical field of optical device material preparation, and particularly discloses preparation and application of colorless high-refraction glass, and the colorless high-refraction glass comprises the following components by mole percent: 40-70 mol% of boron oxide, 15-30 mol% of tellurium oxide, 0-30 mol% of lanthanum oxide, 0-8 mol% of barium oxide and 0-12 mol% of silicon dioxide. Wherein the oxides are all analytically pure raw materials, and the purity is greater than 99.95%. According to the preparation and application of the colorless high-refractive-index glass, the excellent glass forming ability and low glass transition temperature of borate glass are taken as the basis, and the atomic structure characteristics of tellurate glass are combined, so that oxides of the tellurate glass become core components for improving the refractive index of the glass; the prepared high-refractive-index glass has the advantages of high refractive index, strong glass forming ability, low glass transition temperature and high hardness.

The invention relates to borate fluorescent glass with ultrafast fluorescence decay time and a preparation method thereof. The borate fluorescent glass is prepared from the following components in percentage by mole: 40 to 60 mol percent of B2O3, 20 to 30 mol percent of La2O3, 5 to 10 mol percent of CaO, 1 to 10 mol percent of SiO2 and 1 to 10 mol percent of CeF3. On the basis of high rare earth solubility of the borate glass, a certain amount of CeF3 is introduced, so that ultrafast fluorescence decay time and certain emission intensity can be realized on the basis of ensuring the forming ability of the glass, and the borate fluorescent glass with fast decay time is obtained. The borate fluorescent glass with the ultrafast fluorescence decay time, provided by the invention, has excellent performance in the aspects of thermal stability, optical performance, fluorescence performance and the like, and is expected to be applied to the military and civilian fields which have requirements on precise ultraviolet detection.

An electrical feedthrough includes: a main body having a through-opening running through the main body and comprising titanium or titanium alloy; an insulation material accommodated in the through-opening, the insulation material comprising a glass; and an electrical conductor that extends through the insulation material accommodated in the through-opening. The glass is a lanthanum borate glass comprising the following components (in mol % based on oxide): 22.0-37.0 B2O3; 1.0-12.0 La2O3; 10.5-23.0 SiO2; 29.0-45.0 RO (MgO+CaO+SrO); 0.1-6.0 Nb2O5+ZrO2+TiO2+Ta2O5; and greater than 3.00 SiO2 / (Nb2O5+ZrO2+TiO2+Ta2O5). The glass, on determination of hydrolytic stability in accordance with DIN ISO 720:2021-12, has an Na2O equivalence value of <1250 μg / g. The feedthrough has long-term autoclaving stability and an insulation resistance of the feedthrough after 300 autoclaving operations is at least 1*109 ohms.

This application provides a solid electrolyte for lithium batteries, its preparation method, and its application, belonging to the field of solid electrolyte technology. The electrolyte comprises, by mass parts, 40-75 parts lithium salt, 10-30 parts crosslinking agent, 5-25 parts nano-sized borosilicate glass fiber, and 1-10 parts photoinitiator. The polymer component formed by using lithium salt, crosslinking agent, nano-sized borosilicate glass fiber, and photoinitiator as raw materials and curing them under ultraviolet light possesses high mechanical properties and can form a stable electrolyte-electrode interface. This effectively inhibits the growth of lithium dendrites, reduces the risk of battery short circuits, thereby improving the overall safety of the battery and extending its lifespan. The nano-sized borosilicate glass fiber, as an inorganic filler, helps reduce the crystallinity of the polymer component and increases the amorphous phase region, thus facilitating the rapid migration of lithium ions and improving the battery's ionic conductivity and coulombic efficiency.

The invention relates to an efficient organic-inorganic hybrid bio-based ceramic fireproof coating as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing polyethylene glycol modified phytic acid; preparation of melamine diborate; and preparing the polyethylene glycol modified phytic acid / melamine diborate-glass powder-gelatin fireproof flame-retardant coating. According to the invention, polyethylene glycol PEG is selected to modify phytic acid, so that the reactivity of phytic acid is reduced through functional modification, and a suitable product with better subsequent flame retardant property is obtained. The low-activity phosphate group in the polyethylene glycol modified phytic acid can react with the amino group of the melamine diborate to form an ionic bond, the intumescent flame retardant is obtained, the glass powder is added, a ceramic fireproof coating is achieved, and more excellent fireproof performance is embodied.

The technical problem to be addressed by the present invention is to provide a hydrogen storage fuel that has improved handling safety and is in a form suitable for storage and transportation. The hydrogen storage fuel is constituted in such a manner that ammonia (NH3) constituting a hydrogen storage medium is confined in the form of a solid cubic crystal in a borate glass matrix (B2O3-B(OH)3). The hydrogen storage medium is produced by: mixing diboron trioxide (B2O3) with an aqueous solution having ammonia (NH3) dissolved therein to prepare a mixed aqueous solution; and then freezing the mixed aqueous solution to produce a frozen solidified material. Subsequently, the frozen solidified material is freeze-dried, then water vapor (H2O) contained in the form of a gas and a boron compound (BHO) contained in the form of a gas in the frozen solidified material are discharged to concentrate ammonia (NH3) in the frozen solidified material, so that ammonia (NH3) is confined in the form of a solid cubic crystal in the borate glass matrix (B2O3-B(OH)3) under ambient temperature and ambient pressure.

The invention relates to the technical field of optical band gap prediction, in particular to a borate glass optical band gap prediction and verification method based on a machine learning algorithm, and the prediction method comprises the steps: obtaining borate glass components and optical band gap data, and carrying out the preprocessing, separating from the preprocessed borate glass components and optical band gap data to obtain a verification set; constructing a database to generate a training set and a test set; constructing an ANN model, defining a parameter range of the ANN model, training the ANN model for different parameters based on the training set, and combining the trained ANN model with the model evaluation score to construct an ML model; inputting the training set into the ML model to obtain evaluation scores, comparing all the evaluation scores of the training set to determine an optimal ML model, and obtaining predicted optical band gap data based on the test set; according to the prediction method, the artificial neural network model is optimized, and for cyclic automatic training is added, so that the model training efficiency is improved, and the prediction method for evaluating while training is realized.

The invention discloses a nano low-temperature high-strength ceramic bond and a preparation method thereof. The nano low-temperature high-strength ceramic bond comprises the following raw material components in parts by mass: 20-40 parts of nano silicon dioxide, 15-30 parts of nano aluminum oxide, 5-15 parts of nano titanium oxide, 20-35 parts of borate glass, 10-20 parts of phosphate glass, 3-8 parts of a fluxing agent and 2-5 parts of a sintering aid. The ceramic bond can realize high-strength sintering at a low temperature of 800-1000 DEG C, and compared with a traditional ceramic bond, the sintering temperature is greatly reduced, energy is saved, adverse effects of high temperature on a ceramic product are reduced, and the service life of the ceramic product is prolonged. Through introduction of nano oxides such as nano silicon dioxide, nano aluminum oxide and nano titanium oxide and reasonable formula design, the binding agent has relatively high strength after low-temperature sintering, and the requirements of different application scenes can be met; through the synergistic effect of glass phase components such as borate glass and phosphate glass, the fluxing agent and the sintering aid, the binding agent and the ceramic particles have good adhesive force.