34 results about "Borate glass" patented technology

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 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 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 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.

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.

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 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 invention relates to an electrical feed-through (10) comprising: a body (20) having at least one through-hole (22) penetrating the body (20); the insulating material (30) is contained in the through hole (22) penetrating through the main body (20), and the insulating material (30) is composed of glass or comprises glass. The electrical feedthrough (10) further comprises at least one electrical conductor (40) extending through the insulating material (30) housed in the through hole (22), where the body (20) comprises titanium or a titanium alloy. The electrical feedthrough (10) is characterized in that the glass is a specific lanthanum borate glass containing an alkaline earth metal oxide, having improved hydrolytic stability and thus can withstand harsh conditions of multiple autoclaves. The insulation resistance of the feedthrough comprising the glass is at least 1 * 10 < 9 > Omega after 300 autoclave operations.

The application provides a collimating device and a preparation method. The collimating device comprises a first substrate, a second substrate and a sealing material. The first substrate has a first sealing surface. The second substrate has a second sealing surface. The sealing material is arranged on the first sealing surface and / or the second sealing surface. The sealing material is solidified to form a borate glass sealing layer so that the first sealing surface and the second sealing surface are sealed by the sealing material. The sealing material comprises silica, alkali metal oxide, alkaline earth metal oxide, carbonate and water. The sealing material is in a fluid state before solidification.

The invention discloses rare earth doped borate glass with high visible light transmittance and adjustable luminescence color and a preparation method thereof, and the preparation method comprises the following steps: mixing a boron-containing compound, an alkaline metal compound and a rare earth oxide, and fully grinding and stirring to obtain a powdery mixture; placing the powdery mixture in a muffle furnace, and melting at a high temperature to obtain a glass melt; pouring the molten glass into a mold for pouring, and cooling and solidifying to obtain a glass block; and taking out the glass block from the mold, putting the glass block into an annealing furnace for annealing, and cooling to room temperature to finally obtain the rare earth doped borate glass with high visible light transmittance and adjustable luminous color. The structure and performance of the borate glass are regulated and controlled by doping the alkaline metal ions and the rare earth ions, so that the mechanical strength and chemical stability of the glass are remarkably improved while the moderate preparation temperature and high rare earth ion solubility of the glass are ensured; and the glass has relatively high visible light transmittance and color-adjustable luminescence characteristics.

The present invention provides a ceramizable silicone rubber, a manufacturing process, and a use thereof, and belongs to the field of functional materials. The ceramizable silicone rubber according to the invention is produced from the following starting materials in the following mass proportions: 90 to 105 parts methyl vinyl silicone rubber; 35 to 45 parts fumed silica; 3 to 10 parts hydroxy silicone oil; 0.1 to 8 parts silane coupling agent; 1 to 75 parts inorganic filler, wherein the inorganic filler comprises mica powder, montmorillonite, and wollastonite; 10 to 30 parts low-melting-point glass powder, wherein the low-melting-point glass powder has a melting point of 400 to 600 °C and is borate glass and / or phosphate glass powder; 0.1 to 0.3 parts platinum-containing flame retardant; 0.5 to 1.5 parts vulcanizing agent. and 0.1 to 0.5 parts internal release agent.The ceramicizable silicone rubber according to the invention enables not only good ceramicizability but also high tensile strength and elongation at break.

This invention discloses a high-efficiency, high-thermal-conductivity fluorescent glass and its LED device, belonging to the field of semiconductor light-emitting device technology. The gradient refractive index fluorescent glass layer is formed by mixing phosphobic borate glass powder of different compositions with phosphor, organic carrier, and high thermal conductivity particles, screen printing it onto a sapphire substrate, and then co-firing it at a low temperature. Its refractive index continuously decreases from bottom to top. This composite fluorescent glass sheet is encapsulated on an aluminum nitride ceramic substrate with a reflective cup structure and integrated with an LED chip. This invention achieves extremely high light extraction efficiency and excellent heat dissipation performance through the dual effects of the internal gradient refractive index and the reflective cup, as well as the triple heat dissipation path of high thermal conductivity particles-sapphire-aluminum nitride ceramic substrate, making it particularly suitable for high-power, high-brightness white LED devices.

A bioactive implant has a body formed from PEEK and includes a porous surface layer treated with sulfuric acid to form tiny holes that extend into the implant. Borate glass particles are adhered to the surface of the bioactive implant using a light curable 10-methacryloyloxydecyl dihydrogen phosphate (10-MDP) resin matrix. The bioactive implant can be used for both dental and orthopedic applications.

The present application relates to transparent glass-ceramics that shield near-infrared. An optically transparent glass-ceramic material includes a glass phase and a crystalline tungsten bronze phase comprising nanoparticles and having a chemical formula MxWO3, where M includes 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 where 0 < x < 1. Aluminosilicate and zinc-bismuth-borate glasses including at least one of Sm2O3, Pr2O3, and Er2O3 are also provided.

The invention relates to the technical field of coal-fired power plant boiler protection equipment, and discloses a fin device used for avoiding water wall tube leakage caused by fin cracking of a coal-fired boiler, the fin device comprises a butterfly-shaped sealing shell plate welded in a boiler tube switching connection part, and the end face, away from a boiler tube, of the butterfly-shaped sealing shell plate is of an open structure. X-shaped forcep nails are arranged in the butterfly-shaped sealing shell plate, high-temperature-resistant sealing filler is smeared in the butterfly-shaped sealing shell plate, and the butterfly-shaped sealing shell plate is filled with the filler which covers the boiler pipe conversion connecting part. The high-temperature-resistant sealing filler is prepared from the following components in percentage by mass: 30%-40% of ceramic fiber, 15%-25% of silica powder, 12%-20% of alumina powder, 8%-12% of kaolin, 5%-10% of mica powder, 3%-6% of borate glass powder and 4%-10% of an additive, and the sum of the component raw materials is 100%. The sealing device has the advantages of being good in applicable sealing performance, capable of preventing leakage of boiler pipes due to stress concentration, capable of reducing the production cost of a coal-fired power plant and stable in sealing effect.

The invention relates to the technical field of cables, in particular to a mineral magnesium oxide insulated fireproof cable and a preparation method thereof, and the mineral magnesium oxide insulated fireproof cable comprises the following components: modified magnesium oxide, modified LDHs and borate glass powder. The borate glass powder softens and flows in situ in the high-temperature activation stage of cable preparation, pores and microcracks among MgO particles are filled, a compact glassy-state sealing layer is formed after cooling, the electrical insulation performance is excellent, and H2S is prevented from permeating into a channel inside an insulating layer. When a small amount of H2S permeates, the modified LDHs layered structure physically adsorbs residual H2S, zinc oxide in the modified magnesium oxide captures H2S to generate zinc sulfide, chitosan is complexed with the zinc sulfide to form a movable state,-COO <-> of sodium carboxymethyl cellulose of the modified LDHs and chitosan-NH3 < + > of the modified magnesium oxide form electrostatic adsorption, zinc sulfide is received and transferred, and the H2S is removed. Manganese dioxide catalytically oxidizes zinc sulfide into zinc sulfate.

A ceramizable silicone rubber and a preparation method and use thereof are provided. The ceramizable silicone rubber is prepared from raw materials including, in parts by mass: 90-105 parts of a methyl vinyl silicone rubber; 35-45 parts of fumed silica; 3-10 parts of a hydroxy silicone oil; 0.1-8 parts of a silane coupling agent; 1-75 parts of an inorganic filler, including mica powder, montmorillonite and wollastonite; 10-30 parts of a low-melting glass powder, having a melting point of 400° C. to 600° C., and including at least one selected from the group consisting of a borate glass powder and a phosphate glass powder; 0.1-0.3 parts of a platinum flame retardant, a mass content of platinum in the platinum flame retardant ranging from 1,000 ppm to 3,000 ppm; 0.5-1.5 parts of a vulcanizing agent; and 0.1-0.5 parts of an internal mold release agent.

Optically transparent ceramic glass materials comprising a glassy phase containing a crystalline tungsten bronze phase comprising nanoparticles and having the formula MxWO, where M includes at least one 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 where 0 < x < 1; aluminosilicate and zinc-bismuth-borate glasses comprising at least one of Sm2O3, Pr2O3, and Er2O3 are also provided.

The present invention relates to sodium manganese borate ternary glasses and a process for their preparation. The invention also relates to the preparation and use of said glasses as active materials for positive electrodes, particularly metal-ion batteries, as well as said active materials and electrodes per se. (no figure)