829 results about "Inorganic oxide" patented technology

To provide a laminate, a tube container and a tube container with a cap capable of improving recyclability while maintaining a desired performance.SOLUTION: There is provided a laminate 10 which has a first sealant layer 11 constituting an outer surface 101, a second sealant layer 12 constituting an inner surface 102, a base material layer 13 provided between the first sealant layer 11 and the second sealant layer 12 and a barrier layer 17 provided between the first sealant layer 11 and the base material layer 13 or between the base material layer 13 and the second sealant layer 12. The first sealant layer 11 and the second sealant layer 12 each contain an unstretched polypropylene resin having a density of 0.88 g / cm3 or moe and 0.90 g / cm3 or less. The base material layer 13 is a stretched polypropylene film. The barrier layer 17 is a vapor deposition layer composed of an inorganic oxide.SELECTED DRAWING: Figure 2A

The present disclosure is directed to nanocomposites comprising a co-sintered composition of a MXene crystal form composition and an inorganic oxide, or oxide-type ceramic and methods of making and using the same.

A core-shell particle having an organic polymer core which is completely covered by a first inorganic oxide shell, wherein the first inorganic oxide shell has a silica (SiO2), an alumina (Al2O3), or a titania (TiO2); wherein the first inorganic oxide shell has a layer of a magnetic material which is disposed directly on the polymer core; further having a mesoporous second inorganic oxide shell, wherein the mesoporous second inorganic oxide shell covers the first inorganic oxide shell; wherein the mesoporous second inorganic oxide shell has silica (SiO2), alumina (Al2O3), or a titania (TiO2).

Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic oxide particles, such as ceria-coated silica; and dual chemical additives for providing the tunable oxide film removal rates and tunable SiN film removal rates; low oxide trench dishing, and high oxide: SiN selectivity. Dual chemical additives comprise at least one silicone-containing compound comprising at least one of (1) ethylene oxide and propylene oxide (EO-PO) group, and at least one of substituted ethylene diamine group on the same molecule; and (2) at least one non-ionic organic molecule having at least two, preferably at least four hydroxyl functional groups.

The invention provides a special rare earth antibacterial master batch for a PVC antibacterial air conditioner condensate pipe and a preparation method of the special rare earth antibacterial master batch. The problems that an existing PVC condensate pipe is poor in antibacterial performance, and a rare earth antibacterial agent and PVC resin are poor in compatibility and dispersity are solved. The master batch comprises PVC carrier resin, a rare earth antibacterial agent, a dispersing agent, a plasticizer, a heat stabilizer, a lubricant and a bulking agent, and the rare earth antibacterial agent is prepared by mixing rare earth oxide and inorganic oxide according to a specific proportion and carrying out mechanical dispersion, high-energy dispersion, secondary mechanical dispersion, drying, tunnel kiln firing and grinding treatment. The preparation method of the special rare-earth antibacterial master batch for the PVC antibacterial air conditioner condensate pipe comprises the steps of raw material pretreatment, raw material premixing, coupling treatment, mixing and plasticizing, melt extrusion, granulation molding and the like, and through a refining process and a supercritical carbon dioxide technology, it is ensured that a rare-earth antibacterial agent is uniformly dispersed and stably combined in a PVC matrix; the master batch with excellent antibacterial property, thermal stability and mechanical property is prepared.

A preparation method for a TOPCon double-POLO battery structure. The method comprises: forming a double-POLO structure on the front face and back face of a silicon wafer, wherein a local POLO structure is formed on the front face. A coating mask is combined with a laser to form the local POLO structure on the front face, thereby improving a metal contact composite current on the front face and also avoiding a current loss, and thus greatly improving the battery efficiency. An inorganic oxide mask that is used can be easily removed by means of a laser of a conventional SE laser device, and the damage of the laser to a silicon substrate is less. The solution for implementing poly patterning by using a laser has good compatibility with a production line. The remaining mask after texturing is performed can be removed by means of hydrofluoric acid pickling, which can be combined with conventional acid pickling after texturing is performed, without the need for extra cleaning devices and processes. Boron diffusion is performed after local POLO is formed on the front face, and boron doping can be implemented in a front-face POLO area and a suede area at the same time, thereby simplifying the preparation steps for the local POLO structure on the front face.

The invention provides a solid electrolyte modified positive electrode material and a preparation method and application thereof, and the preparation method comprises the following steps: a) dissolving an inorganic oxide electrolyte intermediate product in a mixed solution of water and an organic matter containing functional groups, adjusting the pH value to 2-9, adding lithium fluoride, stirring, and then evaporating and drying to obtain a first gel product; b) performing puffing treatment on the first-time gel product obtained in the step a), adding the first-time gel product and a ternary positive electrode material into a solvent, performing ultrasonic dispersion, stirring, and performing evaporation drying to obtain a second-time gel product; and c) sintering the second gel product obtained in the step b) in an oxygen-free environment to obtain the solid electrolyte modified positive electrode material. According to the invention, through cooperation of liquid-phase coating and high-temperature solid-phase diffusion treatment, a sintered stone structure with high ionic conductivity and high stability is introduced to the surface of the ternary material, and the problem of cyclic cracking of the ternary positive electrode material can be effectively solved.

Inorganic oxide particles having a D50 of 5.5-9.0 μm and a pressure loss of 1.75-2.81 kPa in air permeation at a pressure of 12 kPa.

The invention provides a quantum dot composite particle, a preparation method thereof and a quantum dot photoluminescent device containing the quantum dot composite particle. The quantum dot composite particle comprises a quantum dot, an antioxidant layer coordinated on the surface of the quantum dot and an inorganic oxide layer coating the antioxidant layer, an antioxidant of the antioxidant layer has a coordination group coordinated with the surface of the quantum dot, and the thickness of the antioxidant layer is 1-10 nm. The inorganic oxide layer is used as a first protection means of the quantum dots to block water and oxygen invasion; and the antioxidant is modified on the surface of the quantum dot to form the antioxidant layer, so that the damage of small molecules penetrating through the inorganic oxide coating layer to the quantum dot is prevented, and the stability of the quantum dot is further improved.

A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle / polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.

A powder for additive manufacturing which is an inorganic oxide powder, wherein D10 is 1.0 to 4.0 μm, D50 is 5.5 to 9.0 μm, D90 is 20.0 to 40.0 μm, and the volume ratio of particles having a particle size of 16.8 to 60.0 μm is 15.0 to 22.0 vol %.

The invention provides an environment-friendly PUR hot melt adhesive with excellent temperature resistance as well as a preparation method and application thereof, and belongs to the technical field of adhesives. The environment-friendly PUR hot melt adhesive is prepared from the following raw materials in parts by mass: 50 to 65 parts of polyester polyol, 10 to 20 parts of polyether polyol, 15 to 30 parts of isocyanate, 5 to 10 parts of modified isocyanate, 5 to 10 parts of chain extender and 3 to 5 parts of anti-aging additive, wherein the polyester polyol is formed by carrying out dehydration polycondensation on polybasic acid and polyol through a vacuum melting method, and the polybasic acid comprises binary acid, cinnamic acid, chlorogenic acid and tannic acid according to the mass ratio of (3-5): (0.5-0.8): (1.2-1.6): 1; the anti-aging auxiliary agent is a nano inorganic oxide containing a maleimide group; the modified isocyanate is a mixture obtained by reacting polyisocyanate, sulfamic acid, hydroxycarboxylic acid and tertiary amine. The PUR hot melt adhesive prepared by the invention has excellent thermal stability, and the cohesiveness of the PUR hot melt adhesive can be kept basically unchanged in a long-term high-temperature environment and a thermal cycle environment.

The invention discloses a lignin-inorganic oxide composite binder, preparation thereof and application of the lignin-inorganic oxide composite binder in a hard carbon negative electrode. The preparation method comprises the following steps: firstly, carrying out quaternization modification on lignosulfonate to obtain quaternized lignosulfonate, and then utilizing the action of quaternary ammonium and sulfonate of the quaternized lignosulfonate, hydroxyl and inorganic oxyacid radicals of inorganic nano oxide and carboxyl and hydroxyl of sodium carboxymethyl cellulose to prepare the modified lignosulfonate. The lignin-inorganic oxide composite binder with the interpenetrating network structure is formed. According to the binder, sodium carboxymethyl cellulose serves as a hard phase to enhance the mechanical rigidity, quaternized lignosulfonate rich in flexible long chains serves as a soft phase to bear part of loads, and inorganic nano oxide rich in hydroxyl serves as a crosslinking point or physical filler to enhance the structural stability of the binder. Besides, a multi-network structure formed by hydrogen bond crosslinking not only endows the binder with an excellent ion transmission rate, but also helps to enhance the interfacial compatibility of the binder with an ester electrolyte, thereby significantly improving the rate capability and cycle performance of the hard carbon negative electrode.

The invention relates to a multifunctional water-based low-temperature paint double-coating structure which comprises a first coating and a second coating, the first coating comprises a metal sheet pigment and inorganic oxide pigment mixture, and the second coating comprises transparent organic color paste. A first coating paint composition used for the first coating and a second coating paint composition used for the second coating are both mixtures containing acrylic resin emulsion and polyurethane dispersoid. The double-coating structure adopts the technical scheme of mixed pigment, curing agents such as isocyanate are not contained, and the obtained double-coating structure has high radar wave transmission performance, high infrared reflection performance and high reflection and heat insulation capacity, is particularly suitable for black or silver coating systems, adopts water-based low-temperature coating, and has the advantages that the water-based low-temperature coating is adopted, so that the water-based low-temperature coating is more environment-friendly; the paint has the characteristics of remarkable low-temperature quick-drying film formation, thin coating and low VOC (volatile organic compound), and can realize low energy consumption, health and environmental protection of a coating process. The invention further comprises a multifunctional water-based low-temperature paint coating system and application.

The invention discloses a negative plate and a lithium ion secondary battery. The negative plate comprises a negative active layer, the negative active layer comprises a negative active material and an inorganic oxide solid electrolyte, the negative active material comprises graphite and silicon carbon, and by taking the mass of the negative active layer as a reference, the silicon element content A is more than or equal to 1% and less than or equal to 10%; the content B of a first characteristic element in the inorganic oxide solid electrolyte is greater than or equal to 0.1% and less than or equal to 0.5%, the first characteristic element comprises at least two of Al, Ti, La, Zr and Ta, and the particle size D1 of the inorganic oxide solid electrolyte is 0.5-3 [mu] m. By adding a proper amount of inorganic oxide solid electrolyte with a specific particle size, lithium ions are conducted along the inorganic oxide solid electrolyte under a low-temperature condition, a conduction path of partial electrolyte is replaced, and the defect of poor low-temperature discharge performance of the battery is improved.

The invention provides a catalyst as well as a preparation method and application thereof, and relates to the technical field of catalysts. According to the catalyst, ruthenium-iridium alloy oxide is loaded on a high-porosity inorganic oxide carrier, the average particle size of the high-porosity inorganic oxide is 10-500 nm, and the BET specific surface area is not smaller than 200 m < 2 > / g. Preferably, the high-porosity inorganic oxide is high-porosity cerium dioxide. The catalyst disclosed by the invention has relatively high catalytic activity and durability, and also has relatively high catalytic activity under the condition of relatively few catalytic active components.

To provide a protective film for an electronic paper that can suppress reduction in the display quality of an electronic paper when barrier properties are enhanced by using silicon oxides.SOLUTION: A protective film for an electronic paper includes: a barrier film including an inorganic oxide layer on a first substrate; and a second substrate. The first substrate side of the barrier film and the second substrate are laminated together via an adhesive layer. The inorganic oxide layer contains silicon oxides, has a thickness of 30nm or more, and satisfies the relations: (a haze of the second substrate)≤(a haze of the barrier film) and (a thickness of the barrier film)≤(a thickness of the second substrate).SELECTED DRAWING: Figure 1

The invention provides a graphene / oxide composite metal lithium negative electrode with a laminated pore cavity microstructure, zero deformation and full sealing as well as a preparation method and application of the graphene / oxide composite metal lithium negative electrode. The preparation method of the negative electrode comprises the following steps: drying a GO aqueous dispersion to prepare a GO film; carrying out reduction reaction on the GO thin film to obtain an rGO thin film; loading oxides on the surface and in the rGO thin film to obtain an oxide composite rGO thin film; and loading metal lithium on the oxide composite rGO film. The laminated pore cavity microstructure in the negative electrode material is the key for changing the working principle of the metal lithium negative electrode, and lithium is limited in the laminated pore cavity to be deposited and stripped by the structure, so that interface fracture caused by volume change is avoided; the two-dimensional continuous rGO composite inorganic oxide completely prevents electrolyte from permeating and corroding lithium metal; 99.99%-99.999% of lithium deposition stripping efficiency of 2000 circles in the lithium metal battery is realized for the first time, and the method has a great application prospect.

The invention discloses a preparation method of a composite gel electrolyte and the composite gel electrolyte. The preparation method comprises the following steps: modifying an inorganic oxide, preparing a gel precursor solution, and preparing an organic-inorganic composite gel electrolyte. Epoxy groups are grafted on the surfaces of modified inorganic particles, and the modified inorganic particles serve as hybridization centers to participate in ring-opening polymerization reaction and are combined with polymer molecules to form a cross-linked network, so that the orderliness of polymer chain segments is destroyed, the crystallinity is reduced, a new ion transmission path is provided, particle dispersion and agglomeration are reduced, and the ionic conductivity of electrolyte is promoted to be improved. According to the selected polymerization mode, the common Lewis acid lithium salt in the electrolyte is used as an initiator, additional introduction of the initiator and heating are not needed, and adverse effects such as initiator residue and decomposition gas production can be effectively avoided.

A powder for additive manufacturing which is an inorganic oxide powder, wherein D10 is 1.0 to 4.0 μm, D50 is 5.5 to 9.0 μm, D90 is 20.0 to 40.0 μm, and the volume ratio of particles having a particle size of 16.8 to 60.0 μm is 15.0 to 22.0 vol %.

To provide a surface-treated inorganic oxide in which the surface of an inorganic oxide such as an inorganic filler or an inorganic pigment is treated with a specific polymer treating agent, and which exhibits enhanced dispersibility, compatibility, and fillability with respect to various media.SOLUTION: Provided is a surface-treated inorganic oxide that is a treated product in which an inorganic oxide is surface-treated with a polymer treating agent. The polymer treating agent is a polymer whose number-average molecular weight is 6,000 to 30,000, including a constitutional unit (1) derived from a monomer 1 represented by general formula (1), a constitutional unit (2) derived from a monomer 2 such as (meth)acryloyloxypropylmethyldimethoxysilane, and an optional constitutional unit (3) derived from a vinyl monomer. (R1 represents a hydrogen atom or a methyl group. A represents O or NH. X represents an ethylene group or a propylene group. Y represents O, NHCOO, or NHCONH. Each R2 independently represents a hydrogen atom or a methyl group. R3 represents an alkyl group having 1 to 18 carbon atoms.)SELECTED DRAWING: None

The present application belongs to the technical field of ceramic alloy flywheel, and particularly relates to a liquid-liquid composite ceramic inlaid high-wear-resistance flywheel and a preparation method thereof, which is suitable for high-strength impact environment such as mines and metallurgy. The flywheel realizes metallurgical bonding of ceramic-metal by step-by-step pouring and temperature control solidification of basalt melt and high-density W-Ni-Fe alloy melt in a specific mold structure. The ceramic core is composed of multiple inorganic oxides and low-melting-point glass powder, and has excellent interface compatibility and structural stability. During the preparation process, the initial setting state of basalt and the alloy flow path are accurately controlled to improve the interface bonding strength and overall density. The finally obtained flywheel has high hardness, high toughness and excellent wear resistance, and significantly prolongs the service life.

A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle / polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.

The invention discloses a catalytic method for converting alpha-olefin in an alkane-olefin mixture into internal olefin and application, raw materials and a solid acid catalyst are carried out in a fixed bed or a reaction kettle, the reaction temperature is 50-150 DEG C, the reaction pressure is 15-400 psi, and the reaction environment is an inert gas atmosphere; when the reaction is carried out on the fixed bed, the mass space velocity of the solid acid catalyst is 1h <-1 >-20h <-1 >; when the reaction is carried out in the reaction kettle, the conversion frequency of the raw materials is 5000 mol substrate mol acid site density <-1 > h <-1 > to 50000 mol substrate mol acid site density <-1 > h <-1 >; wherein the raw material is an alkane-alkene mixture; the solid acid catalyst comprises an active component and a carrier, wherein the carrier contains at least one inorganic oxide; the active component has a structure as shown in a formula (1) and / or a formula (2), in the formula (1) and the formula (2), R is alkyl or phenyl, and n is greater than or equal to 1. According to the catalysis method provided by the invention, the conversion rate of alpha-olefin can be increased, and the proportion of skeleton isomerization products and oligomers in internal olefin products can be reduced.

The problem addressed by the present invention is to provide: soap composite particles that can both improve skin texture and sustain the functionality of the soap composite particles; a method for producing the soap composite particles; and a cosmetic containing the soap composite particles. These soap composite particles have core particles containing a saturated higher fatty acid salt and an inorganic oxide externally added to the core particles. In the core particles, the total content of Li2O, Na2O, Al2O3, MgO, CaO, ZnO, BaO, TiO2, SiO2, Fe3O4, Fe 2O3, and FeO is 0-15 mass%, and the core particles are spherical with a circularity of 0.80-1.00.

The invention relates to the technical field of batteries, in particular to a positive plate and a battery, the positive plate comprises a positive current collector, a functional layer located on the surface of the positive current collector and a positive active material layer located on the surface of the functional layer; the functional layer comprises first lithium conducting particles, and the first lithium conducting particles comprise inorganic oxide particles and solid electrolyte materials coating the surfaces of the inorganic oxide particles; n positive active material particles are arranged on any cross section, perpendicular to the plane of the positive current collector, in the positive active material layer along the thickness direction of the positive current collector; the thickness of the functional layer is Dg, and the unit is mu m; n and Dg satisfy the relational expression: 0.6 < = N / Dg < = 40. By arranging the functional layer containing the first lithium conducting particles, a continuous transverse lithium conducting passage can be formed at the bottom of the active material layer by means of the solid electrolyte coating material of the first lithium conducting particles, the problem of lithium concentration balance among the active material particles at the bottom layer of the positive electrode is effectively solved, and the low-temperature performance of the lithium battery is improved.

The invention relates to an environment-friendly polypropylene composite material applied to a direct-current cable and a preparation method of the environment-friendly polypropylene composite material. The material comprises atactic polypropylene, a styrene-ethylene-butylene-styrene block copolymer (SEBS), a grafted nano inorganic oxide and an antioxidant. The preparation method comprises the following steps: grafting an elastomer styrene-butadiene-styrene copolymer (SBS) to a nano inorganic oxide through a ball-milling mechanochemical method, and blending the nano inorganic oxide with a polypropylene random copolymer and SEBS to prepare the PP composite material applied to the direct-current cable material. The PP composite material is characterized in that the PP composite material with better low-temperature toughness, higher direct-current breakdown strength and higher flashover voltage is prepared by using an environment-friendly and efficient modification method, and the requirements of direct-current cable application scenes are better met.

The invention provides a composite gel electrolyte membrane and a preparation method thereof, belongs to the technical field of solid-state batteries, and aims to solve the technical problem of low ionic conductivity of solid-state electrolyte. The preparation method of the composite gel electrolyte membrane comprises the following steps: (1) dissolving a polymer precursor, an ionic liquid and a composite lithium salt in an organic solvent to obtain a gel electrolyte precursor solution; (2) dispersing an inorganic oxide on the surface of the polymer matrix, and performing hot-pressing compounding to obtain an oxide-based membrane; and (3) coating the surface of the oxide-based membrane with the gel electrolyte precursor solution, and carrying out curing treatment to obtain the composite gel electrolyte membrane. The composite gel electrolyte membrane provided by the invention is prepared in a simple in-situ polymerization manner, forms an organic / inorganic compact composite membrane, forms dual-ion synergy, has good mechanical elasticity, high ionic conductivity and high flame retardance, and can effectively inhibit the growth and puncture of lithium dendrites in a lithium metal negative electrode.

A method of making a ceramic honeycomb wall-flow filter substrate supporting an on-wall coating, a fragment of which on-wall coated filter substrate analysed by mercury porosimetry has a volume of pores of 005 to 0.5 µm diameter as a percentage of a mercury intrusion volume of the fragment of at least 15.0%, comprises the steps of: (i) preparing a slurry comprising water, a carboxylic acid, inorganic oxide particles or a mixture of two or more inorganic oxide particles having a D(v, 0.9) of 8 to 20 µm; and 10 to 35 % by weight relative to 100% weight of the inorganic oxide particles of a particulate insoluble cellulose pore former of non-uniform morphology and having an equivalent spherical diameter D(v, 0.5) of 0.5 to 14 µm and a modal aspect ratio (width / length) of 0.3 to 0.9; (ii) coating the slurry on at least first channels of the substrate, wherein the substrate has a mean pore size (D50) of 6 to 15 µm prior to any coating and a porosity less than 60% prior to any coating; and (iii) drying and calcining the slurry-coated substrate, whereby sufficient slurry is coated on the substrate so that the product of step (iii) has a coating loading of 0.07 to 0.4 g / in3 (4.3 to 24.4 g / L), relative to a substrate weight prior to step (ii) and wherein a mean average on- wall coating thickness of the coated substrate is 5 to 70 µm.

A gas barrier laminate includes a substrate layer containing a resin, an inorganic oxide layer, and a gas barrier coat layer in this order. The gas barrier coat layer is a cured article of a composition, and the composition contains a water-soluble polymer, a first silicon compound composed of a silicon alkoxide in formula (1) below, and a second silicon compound composed of a silicon alkoxide in formula (2) below. The ratio of the water-soluble polymer to the water-soluble polymer and the second silicon compound is 55 to 95% by mass, and the ratio of the first silicon compound to the first silicon compound and the second silicon compound is more than 0% by mass and 89% by mass or less. Si(OR1)4 ... (1) (R2Si(OR3)3)n ... (2) (in formulas (1) and (2) above, R1 and R3 each denote an alkyl group, and R2 denotes an organic functional group; n represents an integer equal to or greater than 1).