391 results about "Hybrid material" patented technology

The invention discloses a multi-stage micro-nano structure flexible wearable pressure sensor inspired by skin, and a preparation method and application of the multi-stage micro-nano structure flexible wearable pressure sensor. The sensor is composed of a piezoresistive layer, an electrode layer and a packaging layer. The piezoresistive layer takes polydimethylsiloxane (PDMS) as a flexible substrate, a submillimeter-level cylindrical array main structure and a micron-level skin-like spinous secondary microstructure randomly distributed at the top end of the submillimeter-level cylindrical array main structure are constructed through a composite mold, and a nano-level conductive network is formed by adopting an MXene / MWCNT hybrid material through a dispensing process, so that multi-scale stress synergistic response is realized; the electrode layer takes a degradable lignocellulose biological plastic film prepared from bagasse as a base material, and a silver paste interdigital electrode is loaded through a screen printing process; the packaging layer is fully coated with a medical-grade polyurethane (PU) film so as to ensure signal stability. The sensor shows ultrahigh sensitivity, wide detection range and low detection limit through the synergistic effect of the submillimeter-micron-nano multilevel structure, and can be applied to the fields of human motion monitoring, intelligent electronic skin and the like.

The invention discloses an inorganic-organic hybrid compound crystal and a preparation method thereof, and belongs to the technical field of organic-inorganic hybrid materials. The preparation method comprises the following steps: mixing raw materials containing hydroiodic acid, organic cage molecules RCC3 and a lead source with a solvent, and carrying out solvothermal reaction to obtain the inorganic-organic hybrid compound crystal. The chemical formula of the prepared inorganic-organic hybrid compound crystal is ({H18 [C72H108N12] 2 [(Pb10I36)]}. 2I), wherein [C72H108N12] is RCC3 acidified by hydroiodic acid, the crystal has a supramolecular three-dimensional structure assembled by a [Pb5I8] 3-anion cluster unit and a protonated RCC3 molecular cage through electrostatic and hydrogen-bond interaction, and belongs to a monoclinic system, and the space group is P21. The crystal structure is a metal halide-based organic-inorganic hybrid crystal constructed by taking an organic molecular cage as nitrogen-containing cations and lead iodide for the first time.

The invention relates to the technical field of functional composite probe material preparation, in particular to a three-core spinning technology-based bio-compatible gel probe and a preparation method thereof, and the three-core spinning technology-based bio-compatible gel probe comprises a composite skin layer and three functional core layers; the composite skin layer is composed of a sodium alginate-polydopamine-chitosan grafted copolymer in a mass ratio of 2: 1: 0.5, and contains # imgabs 0 # chondroitin sulfate and # imgabs 1 # polyoxyethylene; the three core layers are respectively a carbon nanotube-polyaniline # imgabs2 # hybrid material, a graphene-polypyrrole-boron nitride hybrid material and a # imgabs3 # polythiophene-hydroxyapatite hybrid material, and the mass ratio of the carbon material to the conductive polymer to the newly added nano material in each core layer is 1: 2: 0.3; and the diameter ratio of the skin layer to the three core layers is 1: 0.28: 0.22: 0.17. According to the invention, multichannel signal transmission is realized, the impedance is reduced by the hybrid material, and the conductivity is improved; the composite skin layer is matched with soft tissue mechanical properties, and interface bonding is stable; and the biocompatible component reduces inflammation, is suitable for acquiring nerve electrophysiological signals, and is easy for large-scale production.

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 discloses a preparation method of a functionalized molybdenum disulfide / silicon dioxide hybrid filler, and belongs to the technical field of nano hybrid materials. The core innovation of the invention lies in that the technical problems of poor dispersibility and weak interface bonding of single MoS2 in a polymer matrix are solved through a step-by-step chemical modification and directional bonding strategy. Chlorinated trimellitic anhydride is adopted to carry out carboxyl functionalization on MoS2, meanwhile, a silane coupling agent KH550 is utilized to carry out amino modification on SiO2, and active sites are provided for two-phase interface chemical bonding. The mechanical reinforcing characteristic of MoS2 is combined with the dispersion regulation and control capability of SiO2, so that the dispersion uniformity and interface bonding strength of the hybrid filler in a polymer matrix are remarkably improved. After the MoS2 / SiO2 hybrid filler is introduced into an epoxy resin matrix, the MoS2 / SiO2 hybrid filler not only has higher tensile strength, impact strength, glass transition temperature, surface energy and volume resistivity and lower friction coefficient, but also has better economic benefits and social benefits.

The invention belongs to the technical field of light-emitting hybrid materials, and particularly discloses a preparation method and application of an efficient blue light emitting hybrid material. The preparation method comprises the following steps: dispersing cuprous halide, triphenylphosphine (tpp) and tetraethylammonium halide in N, N-dimethylformamide (DMF) according to a molar ratio of 1: 1: 1 to form a uniform solution, and performing ultrasonic treatment at room temperature to generate luminescent powder; and washing, centrifuging and drying in vacuum to obtain the hybrid material. The highest photoluminescence quantum yield is up to 70%, and the luminescence mechanism is thermally activated delayed fluorescence. The material can be used for a white light LED (CIE coordinate (0.33, 0.33)) and an X-ray scintillator (the light yield is 32537 photons / MeV, and the spatial resolution is 20lpmm <-1 >), and has the characteristics of simple preparation and excellent performance.

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.

According to the high-damage-threshold laser reflection film based on the gradually-changed optical band gap high-refractive-index material and the preparation method of the high-damage-threshold laser reflection film, a nanometer laminated material or a mixed material with the gradually-increased optical band gap is adopted as a high-refractive-index material layer in the direction from a substrate to the surface of a film layer, and the high-refractive-index material layer with the fixed optical band gap in a conventional laser reflection film is replaced. Wherein the optical band gap of the nano laminated material is realized by adjusting the thickness ratio of the sub-layer material, and the optical band gap of the mixed material is realized by adjusting the mixing ratio of the material. The high-refractive-index material layer with a larger optical band gap is adopted in the high-electric-field-intensity area, the high-refractive-index material layer with the larger refractive index is adopted in the low-electric-field-intensity area, the damage threshold value of the laser reflection film can be obviously increased, and the optical performance and the mechanical performance of the laser reflection film are not obviously affected.

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 invention provides a mesoporous bioactive glass hybrid material and a preparation method and application thereof, and relates to the technical field of biomedical materials.According to the method, through a multi-step reaction method, a silane coupling agent and epsilon-polylysine are used as connecting molecules, and the mesoporous bioactive glass hybrid material is prepared. A mesoporous bioactive glass hybrid material with macrophage targeting, immunoregulation and bone regeneration functions is prepared, and the hybrid material can target macrophages, regulate and control the polarization state of the macrophages to be converted from a proinflammatory phenotype to an anti-inflammatory phenotype, enhance the bone immunoregulation ability and improve the bone regeneration effect. And the material shows excellent osteogenic induction performance in an in-vitro experiment, and a new thought is provided for research and development of bone repair materials. The method adopted by the invention is simple and easy to implement, and the prepared mesoporous bioglass hybrid material has good application potential in bone immunoregulation and bone tissue repair.

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.

The present invention provides a plasma processing method with which it is possible to reduce the occurrence of bowing during etching. A plasma processing method according to the present disclosure is executed in a plasma processing apparatus that has a chamber, the plasma processing method including: a preparation step for preparing a substrate, which has a first film and a second film that is provided on the first film, in the chamber, the second film containing an organic-inorganic hybrid material, the second film having an opening pattern, and the first film being exposed in at least one opening which is defined by the opening pattern; a step for supplying a processing gas into the chamber; a step for generating plasma from the processing gas; and an etching step for etching the first film by means of the plasma, using the second film as a mask. The etching step includes: (a) a step for forming a side wall on the first film by etching the first film using the second film as a mask, wherein the first film is etched in at least one opening that is defined by the opening pattern, and the side wall defines a recessed part in the first film; (b) a step for scattering some of the organic-inorganic hybrid material from the second film by means of the plasma; (c) a step for forming a protective film on the side wall, wherein the protective film is formed by adhering the scattered organic-inorganic hybrid material to the side wall; and (d) a step for further etching the first film in the opening using the second film as a mask.

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.

A process for producing a porous hybrid material based on plastics polymer is provided including the steps of: converting a plastics polymer or a mixture of different plastics polymers into a solution by addition of a solvent or a solvent mixture of at least two solvents; admixing one or more different functional materials; precipitating the hybrid material including the plastics polymer or the mixture having different plastics polymers and the functional material or two or more different functional materials by addition to a liquid and / or gaseous precipitant. A porous hybrid material and to the use thereof are also provided.

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.