260 results about "Titanium zirconium" patented technology

The invention relates to the technical field of metal surface engineering, and discloses a laser cladding layer based on copper-magnesium-titanium-zirconium gradient design and a preparation method thereof.The preparation method comprises gradient structure design, a microstructure strengthening mechanism, a laser cladding process and thermal field control. By constructing a copper-magnesium-titanium component gradient transition structure and matching the thermal expansion coefficient difference between a matrix and a coating in real time, interface thermal stress accumulation can be dynamically inhibited, the crack defect caused by thermal expansion mismatch of a traditional cladding layer is avoided, ordered diffusion of elements at the interface is promoted through gradual change of gradient components, and the thermal conductivity of the cladding layer is improved. The metallurgical bonding reliability of the coating and a base body is improved, meanwhile, a stable coating is formed, the long-term service stability under the extreme working condition is guaranteed, a microstructure strengthening mechanism regulation and control means is adopted, the coating has a stable and effective protective barrier in a corrosive medium environment, and the problem of performance degradation caused by structure defects of a traditional cladding layer is solved.

The invention discloses a deoxidizer for metal smelting and a preparation process thereof, and belongs to the technical field of steel for high-strength fasteners, and the deoxidizer comprises aluminum powder, silicon powder, titanium powder, zirconium powder and carbon-coated lanthanum nano powder in a mass ratio of (45-50): (20-25): (15-20): (8-12): (0.2-0.4). In a sol crystallization stage, lanthanum nitrate and a composite ligand form a directionally growing metal organic framework under the assistance of an external field, and a regular pore structure of the metal organic framework provides a nano-scale template for subsequent carbon coating, so that the decomposed organic ligand is gradually carbonized in a segmented heating process and forms a gradient structure; the low-temperature section promotes the carbon layer to be converted from an amorphous state to an ordered state so as to enhance the electron conduction capability, and the high-temperature section forms a through mesoporous network through external energy etching, so that excessive agglomeration of lanthanum nanoparticles is limited, and a controllable release channel is constructed. The preheating and pre-pressurizing process provides support for the nanostructure on the macroscopic scale, and the aluminum powder is softened through low-temperature plastic deformation to fill gaps of the titanium-zirconium powder, so that a compact initial blank structure is formed.

The invention discloses titanium zirconium oxide spraying powder, a titanium zirconium oxide target material and a preparation method of the titanium zirconium oxide spraying powder and the titanium zirconium oxide target material, and belongs to the technical field of plasma powder preparation. The titanium zirconium oxide spraying powder provided by the invention is prepared by the following steps: mixing zirconium oxide and titanium oxide according to a certain mass ratio, presintering, crushing, mixing the crushed titanium zirconium oxide and water according to a certain mass ratio, grinding, sintering in a vacuum environment or a hydrogen environment, crushing and screening after sintering, and thus obtaining the titanium zirconium oxide spraying powder. The prepared titanium zirconium oxide has a suitable apparent density range, excellent flowability and a relatively high spraying deposition rate. Meanwhile, no other metal powder or binder is added in the preparation process of the titanium zirconium oxide spraying powder provided by the invention, so that the preparation cost can be effectively reduced, and the production efficiency can be improved. Furthermore, when the titanium zirconium oxide spraying powder provided by the invention is used for preparing a titanium zirconium oxide target material, the obtained titanium zirconium oxide target material is high in density and low in resistivity.

The application provides a glass structure and an electronic device. The glass structure comprises a glass substrate and a first optical scratch-resistant layer, a second optical scratch-resistant layer and a first superhard layer which are sequentially stacked on one side of the glass substrate, the first optical scratch-resistant layer is formed by alternately stacking two layers of materials with different refractive indexes, the second optical scratch-resistant layer is formed by stacking three layers of materials with different refractive indexes, and the first superhard layer is a diamond-like layer doped with at least one element selected from silicon, aluminum, titanium, zirconium, molybdenum and nitrogen. The glass structure has good scratch resistance and optical properties which change little compared with the glass substrate, and can better meet the long-term use requirements of the electronic device shell.

The invention relates to a method and a device for plating non-evaporable getter films in a high-length-diameter-ratio small-aperture pipeline in batches, the device comprises an upper cavity and a lower cavity, at least four groups of pipe assemblies communicating the upper cavity with the lower cavity are arranged between the upper cavity and the lower cavity, the pipe assemblies are uniformly arranged along the circumferential direction, and the upper cavity and the lower cavity are communicated with each other through the pipe assemblies. Each pipe assembly comprises an upper transition corrugated pipe, an electrode, an upper transition pipe, a pipeline to be coated, a lower transition pipe and a lower transition corrugated pipe which are sequentially communicated from top to bottom; an electrode threaded rod in the electrode is connected with the upper end of a titanium-zirconium-vanadium alloy target through a connector, the lower end of the titanium-zirconium-vanadium alloy target is an overhanging end, and the titanium-zirconium-vanadium alloy target sequentially penetrates through the upper transition pipe, the pipeline to be coated, the lower transition pipe and the lower transition corrugated pipe. And the solenoid is sleeved on the pipe assembly. According to the technical scheme, the quality and performance of the non-evaporable getter film are improved, and meanwhile the batch preparation efficiency is improved.

The invention provides a high-strength and high-plasticity matched titanium-zirconium-based alloy wire rich in multi-scale eutectoid compounds and a preparation method of the high-strength and high-plasticity matched titanium-zirconium-based alloy wire, and belongs to the technical field of titanium alloy materials. According to the method, a titanium-zirconium-based raw material containing eutectoid beta stable elements is adopted, and a cast ingot is prepared through vacuum consumable smelting; grains are refined and high dislocation density is introduced through staged phase change region hot working of beta-phase region cogging forging, beta-phase region first-heating-number rolling and alpha + beta two-phase region second-heating-number rolling; and after drawing and sizing, a horizontal electric straightening machine is used for rapidly and electrically heating to separate out a nanoscale eutectoid compound, solid solution water quenching is combined for inducing a submicron eutectoid compound, and finally a finished product is obtained through grinding and polishing. The tensile strength of the prepared wire is larger than or equal to 850 MPa, the ductility is larger than or equal to 15%, matching of high strength and plasticity is achieved, the process is continuous and controllable, batch production is adapted, and high-performance domestic raw materials are provided for oral implants.

The invention belongs to the field of additive manufacturing of titanium alloys, relates to a 3D printing high-toughness titanium alloy and a preparation method thereof, and solves the problem of poor plasticity of the existing Ti-Zr alloy. The Ti-Zr-O high-toughness titanium alloy comprises the following chemical components in percentage by mass: less than or equal to 0.01% of C, 0.46-0.5% of O, 1-2% of Zr, less than or equal to 0.015% of H, less than or equal to 0.02% of N and the balance of Ti and inevitable impurities. According to the Ti-Zr-O high-toughness titanium alloy finally obtained through the method, the density reaches 99.8% or above, the tensile strength is larger than or equal to 1150 MPa, the yield strength is larger than or equal to 1050 MPa, and the ductility is larger than or equal to 21%. According to the Ti-Zr-O high-toughness titanium alloy, solid solution elements oxygen and zirconium serve as strengthening elements, common solid solution elements such as W, Mo and Nb are replaced, a Ti-Zr-O high-toughness titanium alloy product is prepared, the strength and plasticity of the Ti-Zr-O high-toughness titanium alloy product are remarkably superior to those of a traditional titanium-zirconium alloy product, the cost of the high-toughness titanium alloy is greatly reduced, and the Ti-Zr-O high-toughness titanium alloy is suitable for industrial production. The method can achieve the purposes of low cost and high performance, and is suitable for large-scale production.

The invention discloses a method for preparing a high-temperature-resistant and solvent-resistant polyamide reverse osmosis composite membrane by an inorganic-organic coupling modification technology. More specifically, an inorganic nano-material and an ester compound containing silicon, aluminum, titanium and zirconium are introduced into a polyamide composite film forming system, so that the polyamide composite film shows better high temperature resistance and solvent resistance than a pure polyamide composite film.

The invention relates to the technical field of ore separation, in particular to titanium-zirconium ore tailing check separation equipment and method.The titanium-zirconium ore tailing check separation equipment comprises a variable-diameter chute and a magnetic enrichment assembly, and the variable-diameter chute comprises a low-speed layer, a high-speed layer and a medium-speed layer which are sequentially connected from top to bottom; the magnetic enrichment assembly is arranged on the inner ring of the variable-diameter chute; tailing ore pulp spirally flows at a low speed when entering the low-speed layer, magnetic minerals in the tailing ore pulp are attracted to the inner edge to complete sufficient sedimentation, radial layering is conducted under the centrifugal force effect of high-speed spiral flowing when the tailing ore pulp enters the high-speed layer, and magnetic aggregates generated by the magnetic minerals are disintegrated by repulsive force at the moment; ilmenite and zirconite are fully separated to improve the grade, magnetic minerals are enriched towards the inner edge again while the flow speed is reduced after the ilmenite and the zirconite reach the medium-speed layer, the ilmenite with the enriched inner edge is prevented from being scoured for the second time, and therefore the recycling rate is improved; the problem that the tailing recycling rate is low due to the fact that the fine grain content of the tailings is high and the sorting difficulty is high is solved.

A catalytic structure can comprise a catalyst and one or more radical scavengers. Each radical scavenger can comprise one or more nanoparticles. Each nanoparticle can be formed as an oxide or oxynitride and can comprise at least one metal selected from titanium (Ti), zirconium (Zr), hafnium (Hf), rutherfordium (Rf), vanadium (V), niobium (Nb), tantalum (Ta), and dubnium (Db). In some embodiments, the radical scavenger can be used in an oxygen reduction reaction, for example, to decompose hydrogen peroxide into water and oxygen. In some embodiments, the catalytic structure with radical scavengers can exhibit enhanced durability, for example, when incorporated into a proton-exchange membrane (PEM) fuel cell.

According to the invention, rigid anthracene is introduced as a framework of bridged binuclear metal, a pyridylamino binuclear metal titanium-zirconium-hafnium catalyst is constructed, and the molecular weight of the obtained polymer can be effectively improved through the synergistic effect between the binuclear metal and the steric hindrance and electronic effect on the catalyst structure; the polyolefin elastomer (POE), the isotatic polypropylene (iPP) and the propenyl elastomer (PBE) are efficiently synthesized. The pyridylamino binuclear metal titanium-zirconium-hafnium catalyst has the advantages that synthesis is simple, raw materials are easy to obtain, and the product yield is high. In copolymerization of ethylene and alpha-olefin, the catalyst shows excellent activity (5.75 * 10 < 7 > g (POE). Mol <-1 > (M). H <-1 >) and alpha-olefin selectivity (the insertion rate reaches 16.2 mol%), and the polyolefin elastomer POE with excellent performance is prepared. In propylene polymerization, the regularity of the polypropylene chain segment can be effectively regulated and controlled by adjusting the steric hindrance and the electronic effect of the catalyst, and the regularity gt is prepared with high activity (3.84 * 10 < 7 > g (PP). Mol <-1 > (M). H <-1 >); and the polypropylene material with high stereoregularity is prepared from 80 mmmm% of polypropylene with high stereoregularity. In copolymerization of ethylene and propylene, an elastomer material which takes propylene as a main material, can regulate and control the ethylene content to be 5-50 wt% and has unique characteristics of a propylene-ethylene semi-crystalline copolymer is prepared. In addition, the pyridylamino binuclear metal titanium-zirconium-hafnium catalyst also shows excellent high-temperature resistance (higher than 160 DEG C), is suitable for high-temperature solution polymerization, and can be used for preparing high-performance polyolefin elastomers. Therefore, the invention has original innovation, and provides a new direction for the development of the field of polyolefin materials.

The invention discloses a solar cell composite passivation layer, a preparation method thereof and a solar cell, and belongs to the technical field of solar cells. The solar cell composite passivation layer comprises a first silicon oxide layer, a titanium / zirconium doped aluminum oxide layer, a second silicon oxide layer and a silicon nitride layer which are sequentially stacked in the direction away from a silicon substrate. According to the composite passivation layer, through a multi-level synergistic effect, a hydrogen atom diffusion path is effectively regulated and controlled, formation of bubble defects in the passivation layer is inhibited, excessive aggregation of hydrogen atoms to a silicon substrate is blocked, and interface stability and passivation uniformity are improved. When the composite passivation layer is adopted in the solar cell, the conversion efficiency, the open-circuit voltage, the short-circuit current and the filling factor of the solar cell are improved, and the composite passivation layer has important significance in the technical field of solar cells.

The present invention relates to a method for producing a composite adsorbent of ferrocyanide of a transition metal in the matrix of silica gel comprising the following steps: (i) preparing a first aqueous composition comprising at least the mixture of a sodium or potassium ferrocyanide with a sodium silicate solution so as to obtain the dissolution of salts; (ii) preparing a second composition comprising the mixture of at least: a transition metal salt chosen from one or more of the following compounds: nickel, copper, zinc, cobalt, and an inorganic acid; (iii) mixing the first aqueous composition with the second composition until a suspension is obtained; (iv) adding an inorganic acid or base so that the suspension obtained at the end of step (iii) has a pH ranging from 4 to 9;(v) demixing the suspension obtained at the end of step (iv) so as to obtain a precipitate within a liquid phase; (vi) separating said precipitate, rinsing and drying the precipitate, so as to obtain a solid precipitate, characterized in that the first aqueous composition comprises a soluble rubidium or cesium salt, and the second composition further comprises a soluble metal salt chosen from one or more of the following compounds: aluminum, titanium, zirconium.;

The invention discloses a novel antibacterial environment-friendly ceramic and a preparation method thereof, and belongs to the technical field of ceramics, the method comprises the following steps: dissolving aluminum chloride, barium nitrate and ferric nitrate in a solvent, and stirring and mixing to prepare a first mixed solution; adding kaolin and carbon powder into the first mixed solution, and stirring and mixing to obtain a second mixed solution; boron, carbon, aluminum, boron oxide, zirconium dioxide and barium carbonate are dispersed in a dispersing agent to be mixed to prepare a third mixed solution; boron oxide, aluminum hydroxide, titanium boride, zirconium, silicon, sodium zirconate, sodium carbonate, calcium tungstate and zirconium dioxide are added into the second mixed solution to be stirred and mixed, and mixed slurry is prepared; the mixed slurry is used for preparing a blank body, the blank body is placed in a sintering furnace to be sintered in different temperature stages and sintering environments, and the prepared ceramic has high strength, is not prone to cracks in the environment where the temperature changes rapidly and is good in corrosion resistance.

A novel method for artificial photosynthesis utilizing a chemical system that operates by harnessing visible light and directly capturing carbon dioxide and water from the atmosphere. The system is based on self-organizing complexes comprising visible-light-sensitive chromophores, such as 2-phenyl indole and 2-phenyl benzoxazole, along with titanium tetrachloride, which autonomously perform continuous, complex chemical operations to produce long-chain (C2 to C17) oxygenated organic materials. The process employs earth-abundant metal coordination compounds, including titanium (Ti), zirconium (Zr), hafnium (Hf), and vanadium (V), in the solid state. These compounds form carbonated metal derivatives upon hydrolysis, which are subsequently reduced through proton transfer from water. The system initially generates C1 materials that oligomerize via a novel self-catalyzed mechanism intrinsic to the system's operation. Monitoring and characterization of the chemical transformations have been conducted using high-resolution MALDI-TOF (matrix-assisted laser desorption ionization-time of flight) mass spectrometry, supported by infrared (IR) spectroscopy and nuclear magnetic resonance (NMR) analysis. This innovation represents a sustainable and scalable approach for converting atmospheric CO2 into valuable organic materials.

Systems and methods for low-manganese welding alloys are disclosed. An example arc welding consumable may comprise: between 0.4 and 1.0 wt % manganese; strengthening agents selected from the group consisting of nickel, cobalt, copper, carbon, molybdenum, chromium, vanadium, silicon, and boron; and grain control agents selected from the group consisting of niobium, tantalum, titanium, zirconium, and boron. The grain control agents may comprise greater than 0.06 wt % and less than 0.6 wt % of the welding consumable. The resulting weld deposit may comprise a tensile strength greater than or equal to 70 ksi, a yield strength greater than or equal to 58 ksi, a ductility (as measured by percent elongation) of at least 22%, and a Charpy V-notch toughness greater than or equal to 20 ft-lbs at −20° F. The welding consumable may provide a manganese fume generation rate less than 0.01 grams per minute during the arc welding operation.

In a first aspect, an article includes an inorganic substrate and a polymer film layer. The inorganic substrate includes a material including a ceramic, a glass, a glass-ceramic or a mixture thereof. The material includes a metal cation selected from the group consisting of silicon, aluminum, titanium, zirconium, tantalum, niobium and mixtures thereof and oxygen. The polymer film layer includes a polymer including an imide group. From an interface where the inorganic substrate contacts the polymer film layer, a line-profile of a CNO− signal from negative secondary ion mass spectroscopy decreases as it moves away from the interface and into the bulk of the polymer film layer.

The application discloses a disinfection and sterilization functional resin master batch, a preparation method and application. The disinfection and sterilization functional resin master batch comprises a disinfection and sterilization functional material, is prepared by adopting resin slices and the disinfection and sterilization functional material to melt and mix and form, the resin slice material is selected from at least one of PET polyester, PP propylene, PS polystyrene and PA6 nylon, and the disinfection and sterilization functional material is a porous inorganic titanium zirconium phosphate functional material. The porous inorganic titanium zirconium phosphate functional material in the disinfection and sterilization functional resin master batch prepared by the method is uniformly distributed, and the porous inorganic titanium zirconium phosphate functional material on the surface of resin fibers or non-woven fabric fibers prepared by adopting the functional resin master batch is uniformly distributed. The disinfection and sterilization functional resin master batch can be used for producing disinfection and sterilization resin fibers, non-woven fabrics, air conditioner water tanks, air conditioner evaporation tanks, air conditioner shells, injection molding keys, remote controller shells and the like.

The invention relates to the technical field of catalyst recovery, and discloses a method for recovering platinum from a titanium-zirconium composite oxide platinum-loaded waste catalyst, which comprises the following steps: (1) roasting the platinum-loaded waste catalyst which takes TiO2-ZrO2 as a carrier, and crushing and grinding; (2) uniformly mixing the ground waste catalyst with disulfate, and carrying out roasting reaction to obtain a melt I; stirring and dissolving the melt I and an acid solution, and filtering to obtain filtrate and a filter cake I; (3) repeating the reaction in the step (2) on the filter cake I to obtain a filter cake II; (4) oxidizing and dissolving the filter cake II with hydrochloric acid and an oxidizing agent to obtain a platinum-containing solution; and (5) separating and purifying the platinum-containing solution to obtain metal platinum. According to the method, the carrier in the waste catalyst is decomposed by adopting the disulfate, and then the waste catalyst is oxidized and dissolved by adopting the hydrochloric acid and the oxidizing agent, so that the platinum recovery cost is reduced, the environmental pollution is reduced, the production efficiency is improved, and the cyclic utilization of resources is facilitated.

The application discloses the technical field of waste gas purification catalyst regeneration, and discloses a regeneration process of a low-temperature SCR denitration catalyst; the process comprises the following steps: after the deactivated catalyst is cleaned through ultrasonic cleaning, the deactivated catalyst is sequentially immersed in a chemical activation liquid and an oxidation treatment liquid for activation and oxidation treatment, then the deactivated catalyst is immersed in a water dispersion liquid containing tungsten-silicon heteropoly acid-zirconium titanium composite oxide core-shell structure material and polyvinylpyrrolidone, vacuum-assisted impregnation, drying and gradient temperature heat treatment are carried out, and a regenerated catalyst is obtained. The core-shell structure material is prepared by the following steps: synthesizing a titanium zirconium composite oxide carrier through a sol-gel method, loading cerium manganese active components through a coprecipitation method, modifying silicotungstic acid through a layer-by-layer self-assembly technology and surface silanization modification. The regenerated catalyst has the advantages of significant improvement in sulfur resistance and alkali metal poisoning resistance, simple process operation, low energy consumption and suitability for industrial application.

The invention provides a preparation method of a noble metal catalyst, which comprises the following steps: S1, carrying out hydrothermal treatment, drying and roasting on aluminum oxide to obtain aluminum oxide powder; s2, after titanium salt and zirconium salt are mixed according to a preset proportion, a diluent is added, and a precursor solution is obtained; dipping and mixing the aluminum oxide powder and the precursor solution according to a preset first mass ratio, and then washing, drying and roasting to obtain a titanium-zirconium-aluminum composite carrier; s3, mixing and grinding the titanium-zirconium-aluminum composite carrier, noble metal and an oxygen storage material according to a preset second mass ratio to obtain coating slurry; the noble metal is one or more of platinum, palladium and rhodium; s4, coating a target carrier with the coating slurry, and then drying and roasting to obtain the noble metal catalyst. Therefore, the catalytic efficiency and stability of the noble metal catalyst can be improved.

The invention discloses a preparation method of a novel high-performance Ti-Zr-Mo-Sn super-elastic beta titanium alloy. The invention provides a brand-new super-elastic beta titanium alloy system, namely Ti-Zr-Mo-Sn, and preparation of the novel titanium alloy can be achieved by combining the processes of electric arc melting, cold rolling, recrystallization treatment and the like. The preparation method comprises the following specific steps: 1) weighing pure metals such as titanium, zirconium, molybdenum and tin, and preparing a button cast ingot; 2) preparing a standard tensile sample; 3) recrystallization annealing treatment; and 4) mechanical property detection. The problems that NiTi alloy causes allergy and Ti-Nb-based super-elastic beta titanium alloy is poor in mechanical property are solved, and further development of the high-performance biomedical super-elastic beta titanium alloy is promoted.

The invention discloses a high-temperature-resistant high-activity metallocene catalyst and application thereof, and belongs to the technical field of olefin polymerization catalysts. The catalyst provided by the invention is formed by taking a fused ring structure with a rigid framework as a ligand framework and coordinating with transition metal titanium, zirconium or hafnium, so that the catalyst has excellent thermal stability and high catalytic activity, and is suitable for copolymerization reaction of ethylene and alpha-olefin. In the high-temperature polymerization reaction, the catalyst provided by the invention realizes efficient copolymerization of ethylene and alpha-olefin, and the obtained copolymer not only has higher molecular weight, but also has higher comonomer insertion amount, so that the structure and performance of the product are effectively regulated and controlled.

The invention provides silicon-chromium-titanium-zirconium-hafnium alloy powder and a preparation method thereof, belongs to the technical field of high-temperature coatings, and aims to optimize the comprehensive performance of a niobium alloy spray pipe and increase the use temperature of the niobium alloy spray pipe. The invention provides silicon-chromium-titanium-zirconium-hafnium alloy powder which comprises the following components in percentage by weight: 50 to 73 weight percent of silicon, 15 to 25 weight percent of chromium, 5 to 10 weight percent of titanium, 5 to 10 weight percent of zirconium, 1 to 5 weight percent of hafnium and less than 0.315 weight percent of impurities. According to the high-temperature anti-oxidation coating obtained through the method, a quinary alloy system can generate a high-entropy effect, and the generated composite coating has excellent thermal stability and is good in binding force with a niobium alloy matrix. The alloy system has good high-temperature strength and oxidation resistance, and is suitable for protective coatings of high-temperature parts such as spaceflight rocket engines, aero-engines, nuclear energy equipment and the like.

1. The name of this design product: outer arc variable drag hood. 2. Application of this design product: used for protection of welding of special metals such as titanium, zirconium, and niobium. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention relates to a windscreen (10), comprising an outer pane (1) with an outer surface (I) and a surface (II) towards the interior and an inner pane (2) with an outer surface (III) and a surface (IV) towards the interior. The surface (II) towards the interior of the outer pane (1) and the outer surface (III) of the inner pane (2) are connected together by a thermoplastic intermediate layer (3), which has a transparent see-through region (D) and an opaque masking region (M) and which has a display region (A) arranged in the masking region (M), and which is provided at least in the display region (A) with a reflective coating (20) arranged on the outer surface (III) or the surface (IV) towards the interior of the inner pane (2). The reflective coating (20) comprises, starting from the inner pane (2) in the order indicated: • a dielectric lower blocker layer (21) having a refractive index of greater than or equal to 1.9, • at least one functional layer (22) based on at least one metal selected from the group consisting of nickel, chromium, niobium, tantalum, titanium, zirconium, hafnium, vanadium, molybdenum, tungsten, palladium, platinum, indium and tin, • a dielectric upper blocker layer (23) having a refractive index of greater than or equal to 1.9, • an optically low refractive layer (24.1) having a refractive index of less than or equal to 1.6, and • an optically high refractive layer (24.2) having a refractive index of greater than or equal to 1.9.

To provide a resin-rubber composite having a resin as a base material, which has improved not only an initial adhesion property but also durable adhesion properties such as alkali resistance and warm water resistance.SOLUTION: A resin-rubber composite is formed by stacking, (1a) an organic metallic compound having a chelate ring represented by the general formula (M1: titanium, zirconium, or tin, R: an alkyl group having carbon numbers 1-8, R': a methyl group or an OR group, n: an integer of 1-3), and an alkoxyl group, or (1b) a mixture of the organic metallic compound, and (2) a surface treatment agent layer containing silica in a weight ratio of 90:10 to 50:50 as a solid content ratio, and does not contain a silane coupling agent or its oligomers, a silane-based adhesive layer being an overcoat layer, and an EPDM layer being a rubber layer, or a phenol resin-based adhesive layer being an overcoat layer, a fluorine rubber layer being a rubber layer, and a nitrile rubber layer or a hydrogenated nitrile rubber layer, in this order on an adhesion surface with a rubber of a resin molded article.SELECTED DRAWING: None

The present application provides a compound used as a coating agent for providing a particle having excellent dispersibility and refractive index, a particle having a surface coated with the compound, a production method thereof, and a dispersion composition containing the particle. The compound according to the present application has a structure represented by Formula (1). In the formula, R 1 represents an organic group having 1 to 30 carbon atoms, R 2 represents OR 3 or a group represented by Formula (2), R 3 represents an organic group having 1 to 30 carbon atoms, n1 and n2 represent an integer of 0 or more, n1 + 2 x n2 represents a valence number determined by the kind of L, L represents aluminum, gallium, yttrium, titanium, zirconium, hafnium, bismuth, tin, vanadium, or tantalum, * represents a bonding site, and R 4 and R 5 represent an organic group having 1 to 30 carbon atoms which can have an oxygen atom. The particle according to the present application has a structure represented by Formula (1) on the surface.

Described is a moisture-curable silicone composition comprising at least one crosslinkable polydiorganosiloxane having alkoxysilane end groups, at least one condensation catalyst, at least one crosslinking agent having alkoxysilane groups, and optionally further ingredients; characterised in that the condensation catalyst is the reaction product obtained from the reaction of 1 equivalent of a metal complex with 0.1 to 1 equivalent of a preferably partially esterified phosphoric acid or organic phosphonic acid, where the metal complex MC is a titanium (IV), zirconium (IV) or aluminum (III) complex, preferably a titanium (IV) complex, having at least one alkoxy ligand and at least one organic chelate ligand. The compositions are particularly suitable as low modulus adhesives or sealants and have excellent mechanical properties such as tensile strength and tear propagation resistance as well as excellent storage stability, especially in the form of RTV-1 formulations.

The application belongs to the technical field of organic ester, and particularly relates to a Ti / Zr-Si porous catalyst, a preparation method thereof and a catalytic esterification method. The application introduces an organic acid source in a system for preparing a molecular sieve, and a core-shell type heterogeneous esterification catalyst material with titanium / zirconium in a tetra-coordination framework as a core and titanium / zirconium in a penta / six-coordination as a shell is prepared by combining the porous molecular sieve with a binder precursor. The catalyst contains abundant secondary pores in the molecular sieve crystals and between the binders, which effectively improves the esterification reaction performance and activity stability of the catalyst.