308 results about "Hybrid material" patented technology

The invention belongs to the technical field of food safety sensing detection, adsorption and degradation, and particularly relates to an MIP / MOF / COF hybrid material and a preparation method and application thereof. Aiming at the defects and bottleneck problems of the existing patulin detection and removal technology, the preparation method comprises the following steps: firstly preparing an MOF / COF composite material, and then preparing an MIP / MOF / COF hybrid material by a sol-gel method, so that the photoelectrochemical sensor based on the MIP / MOF / COF hybrid material is constructed and is used for detecting patulin; meanwhile, based on the MIP / MOF / COF hybrid material, an attachment and degradation test platform is constructed. The prepared photoelectrochemical sensor can successfully detect trace patulin, and the hybrid material has good adsorption and degradation performance on patulin.

The invention discloses a modified nano silicon dioxide / modified nano graphene hybrid material as well as a preparation method and application thereof.The modified nano silicon dioxide / modified nano graphene hybrid material is obtained by putting nano silicon dioxide modified by an epoxy silane coupling agent into nano graphene modified by tannic acid, stirring and drying. Through hydrogen bond assembly between tannic acid modified nano-graphene and gamma-epoxypropoxy propyl trimethoxy silane agent modified nano-silica, a modified nano-silica and nano-graphene hybrid with good dispersibility and strong interfacial interaction is prepared, and the hybrid material can be applied to water-based drilling fluid.

The invention belongs to the technical field of biology, and particularly relates to a construction method of a TMV and AIE hybrid material as well as a product and application of the TMV and AIE hybrid material. By optimizing TMV purification conditions, the problems of strip dispersion, strip taking difficulty and the like after ultracentrifugation are effectively solved. After TMV is extracted and purified, AIE is dissolved in a KP buffer solution to prepare an AIE molecular solution, then the purified TMV and the AIE molecular solution are mixed and incubated according to the volume ratio of 10: 1, the hybrid material with fluorescence tracing and photodynamic therapy activity is obtained, in-vivo and in-vitro visual tracking imaging and reactive oxygen species (ROS) release functions are achieved, the diagnosis and treatment integrated potential is shown, and the application prospect is wide. And the application boundary of the TMV in the fields of precision medicine and the like is expanded.

The invention relates to the technical field of organic-inorganic hybrid materials, in particular to an antifouling organic-inorganic hybrid material, a preparation method, a photocuring antifouling material and a product. The organic-inorganic hybrid material is prepared by carrying out a ring-opening addition reaction on an epoxy group of epoxy polyhedral oligomeric silsesquioxane and polydimethylsiloxane with an amino group or perfluoropolyether with a carboxyl group. According to the scheme provided by the invention, the coating has high thermal stability and structural rigidity endowed by epoxy polyhedral oligomeric silsesquioxane and excellent low surface energy antifouling property endowed by amino-containing polydimethylsiloxane or carboxyl-containing perfluoropolyether, and the defect that a pure epoxy polyhedral oligomeric silsesquioxane coating does not have antifouling property is effectively overcome.

The invention belongs to the field of organic-inorganic hybrid materials, and discloses a high-temperature-resistant polyhedral oligomeric silsesquioxane material and a preparation method thereof. According to the high-temperature-resistant polyhedral oligomeric silsesquioxane material, polyimide serves as a main chain, aminopropyl hepta-isobutyl polyhedral oligomeric silsesquioxane serves as a side chain, and a hybrid system with a clear structure is formed through chemical bonding. The obtained high-temperature-resistant polyhedral oligomeric silsesquioxane material has both the toughness of polyimide and the high-temperature stability of a cage structure, is high in thermal decomposition temperature, and is suitable for the fields of high-temperature-resistant coatings, electronic packaging, aerospace and the like. According to the method, the raw materials are low in price, wide in source channel and low in toxicity, and the obtained product is high in purity and excellent in performance and has good actual use value.

The invention discloses a silicon-based thermal response viscosity-reducing film synergistically-enhanced bending-resistant folding OCA (Optically Clear Adhesive) and a processing technology thereof, and mainly aims to provide the silicon-based thermal response viscosity-reducing film synergistically-enhanced bending-resistant folding OCA and the processing technology of the silicon-based thermal response viscosity-reducing film synergistically-enhanced bending-resistant folding OCA. Comprising a flexible substrate layer, a first bonding layer, a thermal response viscosity-reducing film layer, a second bonding layer and a functional OCA main body layer which are arranged in sequence, the flexible substrate layer is composed of a transparent polyimide compound; the first bonding layer is made of modified organic silica gel; the thermal response viscosity reducing film layer is composed of a silicon-based material and thermal response microspheres; the second bonding layer is made of modified organic silica gel which is the same as that of the first bonding layer; and the functional OCA main body layer is made of a polyurethane-organic silicon hybrid material. According to the technical scheme, the bending strength and the performance stability of the OCA used by the folding screen can be effectively improved.

The invention discloses a high-performance composite aluminum foil for a battery and a preparation method of the high-performance composite aluminum foil, and relates to the technical field of batteries. The method specifically comprises the following steps that S1, the surface of a composite aluminum foil is subjected to anodic oxidation, and a pretreated composite aluminum foil is obtained; s2, preparation of an organic-inorganic hybrid binder; s3, adding the organic-inorganic hybrid material and an emulsifier into deionized water, and uniformly mixing to obtain an organic-inorganic hybrid binder; s4, the surface of the pretreated composite aluminum foil is coated with an organic-inorganic hybrid binder, drying and curing are conducted, and the high-performance composite aluminum foil is obtained; compared with a traditional aluminum foil, the prepared composite aluminum foil is better in conductivity, longer in cycle life and better in mechanical performance.

The invention provides a hybrid material for MOF confinement catalytic growth of nano silicon and a preparation method of the hybrid material, and relates to the technical field of batteries. According to the preparation method, collapse of a pore structure caused by severe decomposition is avoided through gradient temperature rise, ordered carbonization of an MOF framework is realized, a hierarchical porous carbon-based framework is formed, the MOF derived carbon framework has a three-dimensional porous structure, and the hierarchical structure better buffers silicon expansion stress; metal sites in MOF porous carbon catalyze silane decomposition, and oriented deposition of silicon atoms is achieved in sub-nano pore channels; the MOF confinement catalytic growth silicon nanowire / particle hybrid material is obtained through cooperation of pore structure design and catalytic growth, meanwhile, the selected MOF is rich in nitrogen element, nitrogen doping is achieved after carbonization, and therefore the electrochemical performance is improved; cracking acetylene (CH) to coat a carbon layer on the silicon surface and the porous carbon precursor to form a core-shell structure (Si (at) C); the silicon surface is passivated by the carbon layer, volume expansion in the charging and discharging process is inhibited, and the cycling stability is improved.

The invention relates to the technical field of metal oxide coating electrodes, in particular to a carbon nano hybrid material loaded metal oxide coating electrode and a preparation method of the carbon nano hybrid material loaded metal oxide coating electrode. And dissolving metal ions by using the metal ions as a solvent, uniformly coating the metal ions on the surface of titanium or titanium alloy subjected to certain surface treatment, and carrying out heat treatment to obtain a target electrode. The preparation method is simple in process and convenient to operate, the prepared electrode can effectively prevent a corrosion medium from permeating into the coating due to the existence of the nano hybrid material, the service life of the electrode is greatly prolonged, and the electrocatalytic activity of the electrode can be improved by optimizing electron transmission.

The application belongs to the field of carbon material preparation, and discloses a preparation method of self-supporting carbon nanotube and graphene hybrid material. The preparation method is as follows: two carbon sources with different carbon contents are added into a mixed solution of ethanol and water to form a suspension; the suspension is sprayed on the surface of a metal sheet, and after drying, the metal sheet is placed in a high-temperature furnace for high-temperature heating in a protective atmosphere; after the high-temperature furnace is cooled, the carbon material is taken off from the metal sheet, and then the carbon material is soaked in an acid solution, and then washed with water and dried to obtain the self-supporting carbon nanotube and graphene hybrid material. The method has the characteristics of simple operation, low cost, good product structure interconnection, and easy controllable macro preparation. The self-supporting carbon nanotube and graphene hybrid material can be used as a positive electrode carrier material of a lithium-sulfur battery.

High impact and penetration resistant lightweight composite panels include a foam core and an impact and penetration resistant protective layer on at least a portion of the lightweight composite panel. The foam core is a polymer and / or inorganic foam layer or sheet having first and second surfaces. A fiber mesh reinforced cementitious layer can cover one or both surfaces of the foam core. Example polymer foam cores include extruded polystyrene foam, expanded polystyrene foam, polyisocyanurate foam, or polyurethane foam. Example inorganic foam cores include perlite, ceramic microspheres, hollow glass spheres, glass foam, ceramic foam, expanded silica gel, porous wollastonite, urea-silicate foam, SiOC / SiC foam, refractory foam, and graphene. The impact and penetration resistant protective layer can be formed from polyurea, polyurethane, polyurea-polyurethane hybrid, polyaspartic, polymer-modified mineral binder, or hybrid resin-mineral composite. The protective layer can include a tightly woven scrim and / or a slip resistant filler embedded in the polymer.

Methods for catalytically growing carbon nanotubes on carbonaceous substrates and hybrid materials prepared by the methods.

The application belongs to the technical field of inorganic nanometer material preparation, and particularly relates to a hollow manganese dioxide / cobalt manganate loaded nitrogen-doped carbon hybrid material and a preparation method thereof. The steps of the application are as follows: S1, dispersing manganese source material in N,N-dimethylformamide to form a uniform solution; S2, adding an organic ligand to the solution obtained in step S1 and continuously stirring to obtain a mixed solution, and then transferring the mixed solution to a reaction kettle for a solvothermal reaction; S3, sequentially washing and drying the product obtained through the solvothermal reaction, and then grinding the product and a cobalt salt to form a mixture powder; and S4, performing a high-temperature pyrolysis reaction on the mixture powder, and obtaining the hollow manganese dioxide / cobalt manganate loaded nitrogen-doped carbon hybrid material rich in mesopores and macropores after the reaction stops. The application has a large specific surface area and a multi-pore structure, slows down the migration and aggregation of metal particles and the loss of pyrolysis intermediates in the heat treatment process, and improves the electrochemical activity and stability of the transition metal / nitrogen-doped carbon electrocatalyst.

A method for catalytically growing carbon nanotubes on a carbonaceous substrate, and hybrid materials prepared by the method.

The application discloses a preparation of isosorbide catalyst and its preparation method and application. The catalyst is an organic / inorganic hybrid material, wherein the organic component comprises a functional group containing two or more N atoms and a hydrophobic group without nitrogen, and the inorganic component is a mesoporous silica material. The catalyst provided by the application is applied to the reaction of sorbitol and dimethyl carbonate to prepare isosorbide, and has high catalytic performance.

A cementitious material containing carbon nanotubes (CNTs) having a CNT hybrid material comprising the cementitious material and cement. The CNT hybrid material is partially or completely deposited onto the cement after dry mixing to form the CNT-containing cementitious material.

The invention relates to a high-toughness anti-crack waterproof coating containing self-repairing factors and a preparation method thereof, and belongs to the technical field of waterproof coating preparation. The waterproof coating comprises the following components in parts by weight: 40-60 parts of an acrylate-polyurethane blended emulsion; 5 to 15 parts of HDI microcapsules; a core material of the HDI microcapsule is HDI and nano calcium carbonate, and a wall material of the HDI microcapsule is a polyurethane-silicon dioxide hybrid material; 0.5 to 2 parts of a carbon nano tube; 20-40 parts of pigment and filler; 0.5-8 parts of an auxiliary agent and a proper amount of a solvent. The acrylate-polyurethane blended emulsion, the HDI microcapsules, the carbon nanotubes and other materials are added into the waterproof coating at the same time, so that the comprehensive performance of the waterproof coating is remarkably improved.

Carbon nanotube (CNT) hybrid materials and methods for manufacturing such materials. The carbon nanotube (CNT) hybrid powder material comprises a CNT network in which particles of a second material are densely dispersed. In one example, the material comprises a blend of particles of a catalyst supported on a metal oxide and particles of a second material, and a CNT network grown on the supported catalyst within the blend. The CNT network is effective for dispersing the particles of the second material.

Metal-foam mesh structures are used in a variety of applications where flexible mesh structures are utilized, such as steam chamber wicks and various diaphragms and energy electrodes. The new metal-foam mesh hybrid material has a three-dimensionally connected microporous structure and has improved mechanical properties, including good strength, ductility, flexibility, and other properties.

This invention discloses a modified separator for lithium-sulfur batteries, its preparation method, and its application. The modified separator comprises a base film and a modified layer disposed on one side of the base film. The modified layer comprises a dual rare-earth metal selenide-boron-nitrogen co-doped functionalized carbon nanotube hybrid material. The preparation method is as follows: S1, functionalized carbon nanotubes, a boron source, a nitrogen source, and a solvent are mixed, and then ultrasonically dispersed and stirred until the boron and nitrogen sources are completely dissolved to obtain a carbon nanotube solution; a selenium source, a reducing agent, and a nucleating agent are mixed to obtain a mixed solution; S2, the carbon nanotube solution is mixed with the mixed solution, cerium salt, and lanthanum salt, and a solvothermal reaction is performed. The solid is then separated to obtain the hybrid material. This invention, by modifying the separator towards the sulfur cathode with a specific hybrid material, provides a large number of adsorption sites and effectively anchors and catalyzes the conversion of lithium polysulfides, effectively improving the deposition kinetics of Li2S and increasing sulfur utilization, thereby enhancing the long-cycle stability of lithium-sulfur batteries.

A carbon nanotube (CNT) hybrid material that includes a blend comprising a catalyst supported on at least one of a metal, metalloid, metal oxide or carbon support, and at least one material selected from the group of materials consisting of: cementitious materials, materials used in the production of cementitious materials, and materials used to enhance cementitious materials, and CNT on the blend.

Provided are: a material for organic electroluminescent elements, which is capable of obtaining an organic EL element that is driven at a low voltage, emits light at high efficiency, has long-life characteristics, and is practically useful; and an organic electroluminescent element obtained using the material. A mixed material for an organic electroluminescent element, which contains a compound represented by general formula (1) and a cyclic azine compound represented by general formula (10), and an organic electroluminescent element formed using the mixed material. And m represents the number of repetitions and is 2 or 3. Ar1 is a substituted or unsubstituted aromatic hydrocarbon group having 6-20 carbon atoms or the like, and R2-R7 are each independently hydrogen, a substituted or unsubstituted aromatic hydrocarbon group having 6-20 carbon atoms or the like. Ar2 and Ar3 are each independently a substituted or unsubstituted C6-20 aromatic hydrocarbon group or the like, and L1 is a single bond or a substituted or unsubstituted phenyl group.

The application discloses a manufacturing method of a mixed material lightweight ball head and a thrust rod ball head. The whole ball head is composed of two or more layers of polymer mixed material parts, and is respectively injection molded at different feeding positions. Firstly, according to the stress characteristics of each part of the ball head molecular mixed material, a layered structure is designed. According to the stress conditions of each part, the thickness and shape of different layers are determined, and the division between the inner layer and the outer layer is implemented. Then, the inner layer is injection molded first, and then the ball head semi-finished product with the inner layer is placed in a mold. From a direction different from the inner layer, the outer layer is repeatedly injection molded outside the inner layer, so as to form the two or more layers of polymer mixed material lightweight ball head. Through the structure design of the inner layer and the outer layer and the reasonable misplacement arrangement of the injection gate position, the overall material strength distribution of the polymer material ball head can be effectively improved, the local material strength is eliminated, the service life of the lightweight ball head is effectively prolonged, and the carrying load capacity of the thrust rod is improved.

This invention discloses a modified sodium carboxymethyl cellulose (CMC) and its preparation method in the field of composite materials. The method involves first dissolving CMC in water to obtain a solution, and simultaneously ultrasonically treating a multi-scale heterogeneous nano-flower-like hydrotalcite-silicon hybrid material and a dispersant in water to obtain a slurry. The two materials are then mixed and stirred under gentle heating to obtain a blended composite liquid. Finally, the modified CMC product is obtained through casting, segmented heat treatment, and grinding. The hybrid material is prepared by synergistic modification of hydrotalcite with bifunctional silanes, further compounded with silica via a sol-gel method, and finally treated with an initiator in an aqueous phase. This hybrid material significantly improves the compatibility and interaction with the CMC matrix. The process conditions of this invention are mild, the operation is simple, and the resulting product exhibits excellent comprehensive performance, showing application potential in the field of composite materials.

The invention discloses a nitrogen-containing inorganic-organic hybrid material and a preparation method thereof, and belongs to the technical field of inorganic-organic hybrid materials. In order to solve the problems of low nitrogen content, few chemical bonds formed by inorganic ions and nitrogen and high price of used nitrogen-containing organic ligands in the existing nitrogen-containing inorganic-organic hybrid material preparation technology, the invention provides a method for preparing a nitrogen-containing inorganic-organic hybrid material by using organic amine (H2N-R-NH2, in which R is alkyl) at least containing two terminal-NH2 groups as a nitrogen source. A precursor with the structure of Mx < + > (NH-R-NH2) n (n represents the number of organic amine ligands) is formed through aminolysis reaction of-NH2 groups and inorganic cations (Mx < + >, x represents the valence state of the inorganic cations), and then the nitrogen-containing inorganic-organic hybrid material with the structure of (m center coordination cation number) is formed through polymerization reaction between the precursor and the organic amine ligands. The preparation method has the advantages of simple process flow, no use of expensive organic raw materials and solvent systems, good economical efficiency and good industrial application prospect.

The invention relates to a preparation method of a layered magnesium-based flame-retardant smoke-suppression hybrid material, which comprises the following steps: (1) dispersing organic anion intercalated magnesium-based LDHs into a Tris-HCl buffer solution with the pH value of about 8.5 to obtain slurry A; then adding bio-based polyphenol into the slurry A, continuously stirring, and carrying out suction filtration, washing and freeze drying to obtain organic anion intercalation magnesium-based LDHs coated with polyphenol on the surface; (2) dispersing the organic anion intercalation magnesium-based LDHs coated with polyphenol on the surface into deionized water, then adding soluble cobalt salt, soluble nickel salt and sodium citrate, and continuously stirring to obtain slurry B; and (3) adding a transition metal potassium cyanide solution into the slurry B under continuous stirring, then aging, and carrying out suction filtration, washing and freeze drying to obtain the layered magnesium-based flame-retardant and smoke-suppression hybrid material. The method is simple, low in cost and easy to implement, and the obtained material solves the problems that an anchored transition metal compound is large in particle size, uneven in distribution, lack of synergistic effect and the like.

The present invention discloses an inorganic-organic bismuth-chloride hybrid material and its preparation method and application. The hybrid material has the molecular formula (Hhpt)3(BiCl6), where (Hhpt) + It is a protonated 2-(4-hydroxyphenyl)thiazole with a positive charge. Using BiCl₃, 2-(4-hydroxyphenyl)thiazole, HCl, and ethanol as the reaction materials, single crystals of the compound (Hhpt)₃(BiCl₆) were obtained under solvothermal conditions. This compound exhibits highly efficient reversible photochromic properties and is suitable for fabricating light-controlled switches.

The invention provides a ceramic-based friction material of an automobile brake friction lining and a preparation process of the ceramic-based friction material. The ceramic-based friction material is prepared from the following raw materials: 10 to 15 percent of boron nitride nanotube modified silicon carbide, 15 to 20 percent of titanium aluminum carbon, 5 to 8 percent of modified barium zirconate nanofiber, 12 to 15 percent of rare earth modified aluminum oxide, 8 to 10 percent of basalt fiber, 6 to 8 percent of molybdenum sulfide / graphene hybrid material, 5 to 7 percent of nano zirconite, 3 to 5 percent of titanium nitride powder, 4 to 6 percent of ferrophosphorus alloy powder, 3 to 5 percent of phenolic resin and 2 to 3 percent of potassium silicate solution. 1-2% of borosilicate glass powder and the balance of hierarchical porous carbon fibers. The obtained ceramic-based friction material of the automobile brake friction lining has the comprehensive advantages of high temperature resistance, friction resistance, bending resistance, high impact resistance, capability of reducing brake noise and the like.

The invention belongs to the technical field of polymer composite materials, and relates to a cyanate ester high-wave-transparent composite material as well as a preparation method and application thereof. After a mixture of hollow glass microspheres and silicon dioxide is coated by polyphenyl ether with hydroxyl by adopting supercritical carbon dioxide fluid, polyphenyl ether PPO with hydroxyl is foamed on the surface of an inorganic material to form a porous structure. And then compounding the pretreated filler with a cyanate ester resin system, and carrying out curing molding to obtain the composite material. The porous structure can effectively toughen a matrix, hydroxyl on the surface of the porous structure can react with cyanate ester groups, the interface bonding force and reactive compatibility of inorganic filler and the resin matrix are remarkably improved, and finally the organic-inorganic hybrid material with interpenetrating polymer chains and the porous structure is formed. According to the prepared composite material, the mechanical property, especially the toughness, is remarkably improved while the excellent wave-transparent performance is kept, and the composite material is suitable for wave-transparent parts such as high-performance radomes and antenna windows.

Systems, apparatuses, and / or the like are provided. In some embodiments, an electrochemical cell may include a container, a ring-shaped cathode disposed within the container, wherein the ring-shaped cathode defines an open interior, an anode disposed within the open interior of the ring-shaped cathode, a separator disposed between the cathode and the anode, an electrolyte solution, and a current collector electrically connected with a portion of the container, wherein the current collector is positioned at least partially within the anode. For example, current collectors may include a base including a first material that is fixedly attached to the portion of the container and a zinc component composed of a second material and fixedly attached to the base.