481 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 relates to the field of nano materials, in particular to an Mxene nano hybrid material and application thereof in a flame-retardant foaming material, and the preparation method of the Mxene nano hybrid material comprises the following steps: step 1, obtaining an aminated MXene nanosheet; step 2, obtaining a sulfhydrylated halloysite nanotube; step 3, obtaining a modified MXene nanosheet; and step 4, obtaining the MXene nano hybrid material. The MXene nano hybrid material prepared by the invention not only has good compatibility with polyurethane foam, but also provides a large number of nucleation sites for a polyurethane foaming system to play a role of a foam stabilizer, so that the finally prepared polyurethane foam material has multiple advantages of high strength, high flame retardance, high thermal conductivity 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 discloses a method for preparing a carbon fiber / epoxy resin composite material by utilizing regulation and control of an intercalation interface of a graphene oxide nanosheet, and belongs to the technical field of carbon fiber / epoxy resin composite materials. The preparation method comprises the following steps: pretreating carbon fibers to prepare aminated carbon fibers; preparing a carbon fiber / graphene oxide nanosheet hybrid material; and preparing the graphene oxide nanosheet intercalation interface regulated carbon fiber / epoxy resin composite material. According to the method for preparing the carbon fiber / epoxy resin composite material by utilizing graphene oxide nanosheet intercalation interface regulation, the interface compatibility of the carbon fiber and the epoxy resin matrix is regulated by taking the graphene oxide nanosheet as an intercalation, the mechanical and thermodynamic properties of the composite material can be improved, the method is simple and easy to implement, and the method is suitable for industrial production. And the method is suitable for different types of carbon fiber / epoxy resin systems.

The invention provides a microneedle preparation for co-delivering photo-thermal nano-enzyme and elemene as well as a preparation method and application of the microneedle preparation. The preparation method comprises the following steps: firstly, preparing a novel photo-thermal nano enzyme Au (at) MoS2 through a two-step water phase synthesis strategy; benefited from the synergistic effect of the hybrid material, the nano-enzyme shows significantly enhanced near-infrared (NIR) photothermal effect, peroxidase-like (POD) activity and glutathione-like peroxidase (GSHOx) activity, and can effectively remodel the tumor microenvironment and destroy the redox steady state. Furthermore, photo-thermal nano enzyme, beta-ELE and hyaluronic acid are used as raw materials, and a novel soluble microneedle preparation is successfully prepared through a template method. The novel composite microneedle is in a sharp rectangular pyramid shape, growth of melanoma can be effectively inhibited through percutaneous delivery of photo-thermal nano-enzyme and beta-ELE, remarkable systemic toxicity is avoided, and an innovative strategy is provided for non-invasive, efficient and safe melanoma combined treatment.

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 discloses a cycloolefin copolymer / carbon nanotube hybrid material modified oil-water separation sponge, relates to the field of high polymer materials, and provides a novel cycloolefin block copolymer which can be obtained by ring-opening metathesis polymerization of cycloolefin and 5-norbornene-2-carboxylic acid methyl ester under the catalysis of a third-generation Grubbs catalyst. The method is simple in process, and the length of the 5-norbornene-2-carboxylic acid methyl ester block can be accurately regulated, so that the nano shish-kebab structure and the surface performance of the nano shish-kebab structure can be regulated. The process for preparing the nano-hybrid shish-kebab from the cycloolefin block copolymer and the carbon nanotubes is simple in technology, the surface of a rough surface material such as polyurethane sponge can be uniformly covered with the nano-hybrid shish-kebab to form a thin film, super-hydrophobicity can be achieved, and meanwhile the nano-hybrid shish-kebab has oleophylic performance; and the oil-water separator has high separation efficiency and good wear resistance in the oil-water separation process.

The present disclosure relates generally to a hybrid modulator and methods of integrating hybrid materials, such as lithium-niobate-on-insulator, onto silicon-on-insulator (SOI) wafers for hybrid silicon photonics integration, while maintaining compatibility with standard silicon photonics components. In particular, the silicon on insulator (SOI) and lithium-niobate-on-insulator (LNOI) are bonded together to allow the modulator to be compatible with lithium-niobate devices or silicon devices via a single transition layer.

The invention relates to a nanocellulose-silicon-based hybrid material, preparation and application thereof and a thermoplastic polymer composite material. Comprising the following steps: combining nano SiO2 containing hydrophilic hydroxyl on the surface with hydroxyl on the surface of cellulose, then adding a silane coupling agent, reacting and hydrolyzing the silane coupling agent to obtain silanol, combining the silanol with hydroxyl on the surface of nano SiO2 particles and hydroxyl on the surface of nano cellulose, drying, dehydrating the silanol into siloxane, and grafting the siloxane on the surface of nano cellulose / SiO2, thereby obtaining the nano SiO2 / silanol composite material. Grinding to obtain a nanocellulose-silicon-based hybrid material, blending the obtained hybrid material with a thermoplastic polymer matrix, and preparing a corresponding product through a thermal forming process. The process is environment-friendly, the method is simple, the product is easy to form, operation and control are simple and convenient, and industrial production is facilitated; the prepared hybrid material has good stability, dispersibility and polymer matrix compatibility, and shows excellent mechanical properties and thermal properties when applied to thermoplastic polymers.

The invention relates to a high-strength and high-toughness hard alloy material and a preparation method thereof, and belongs to the technical field of alloy material preparation, the hard alloy material specifically comprises the following raw materials by mass: 75-80 parts of WC, 5-8 parts of TiC, 10-12 parts of Co-Ni alloy, 0.5-1 part of rare earth oxide, 11-15 parts of an interface optimization material and 0.1-0.15 part of a graphene-carbon nanotube hybrid material; wherein the rare earth oxide is Y2O3; the interface optimization material is obtained by mixing high-entropy alloy, boride and carbonitride. A gradient interface is constructed by compounding the high-entropy alloy, the boride and the carbonitride, and the grain boundary pinning effect of the graphene-CNT hybrid material and the cryogenic-aging synergistic process are combined, so that the toughness contradiction of the traditional hard alloy is broken through, and an innovative solution is provided for high-end equipment manufacturing.

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 quick-dry salt-spray-resistant industrial water-based paint and a preparation method thereof, and relates to the technical field of paints. Cerium zirconium oxide is used for preparing nanofiber filler, cellulose is added into a precursor of the nanofiber filler, a carbon substance is obtained through calcination, then the mechanical property of the filler is enhanced, and an interpenetrating network structure with cerium oxide-zirconium oxide particles as nodes is formed in a hybrid material, so that the mechanical property of the coating is enhanced; then the ionic liquid is adsorbed on the carbon substance, then the nano filler is effectively modified, the mechanical property and corrosion resistance of the filler are improved, cerium oxide can inhibit the metal corrosion process, and in the later stage of corrosion prevention operation, cerium oxide and iron oxyhydroxide form a compact and stable surface rust layer structure, the corrosion rate is effectively decreased, and the corrosion resistance of the nano filler is improved. Zirconium oxide can greatly eliminate local micro-current corrosion of carbon substances and metal, and the corrosion resistance of the coating is further enhanced.

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 relates to the technical field of biosensors, in particular to a novel thin film material for a molecular diagnosis nascent biosensor, a thin film transistor and a preparation method and application of the novel thin film material and the thin film transistor. The thin film transistor is prepared from a novel thin film material, the thin film material covers the surface of a substrate of the transistor, and a source electrode and a drain electrode of the transistor are arranged between the substrate and a thin film in parallel. The concentration of the cancer marker is detected by monitoring the variable quantity of threshold voltage (Vth) in a transfer curve of the organic-inorganic hybrid thin film transistor, the responsivity and sensitivity to a disease marker are improved by optimizing a semiconductor material combination, efficient detection of the low-concentration cancer marker is realized, and the method has the characteristics of no label, rapidness, simplicity and convenience, and is suitable for popularization and application. The kit is suitable for early diagnosis of diseases.

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 provides a recycling method of waste polyester alcoholysis byproducts, which comprises the following steps: S1) mixing porous boron nitride micro powder, crown ether and water, carrying out hydrothermal deposition treatment, and freeze-drying to obtain a solid powdery material; carrying out ball milling on the solid powdery material to obtain a porous boron nitride and crown ether hybrid material; and S2) carrying out alcoholysis reaction on waste polyester, ethylene glycol and a catalyst potassium carbonate, and adding the hybrid material into the obtained reaction liquid. The invention also provides a preparation method of the porous boron nitride and crown ether hybrid material. In the recycling method of the waste polyester alcoholysis by-product, the introduction of the porous boron nitride and crown ether hybrid material combines the strong adsorbability of metal ions of porous BN and the selective metal complexation of crown ether, so that the removal rate of potassium ions in the alcoholysis reaction liquid is increased; the molecular chain end-capping effect caused by potassium ions in the subsequent polymerization process of a depolymerization product is overcome, and the method has important industrial application value.

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 discloses a preparation method and application of a flexible pressure sensor of an Mxene-based low-dimensional inorganic / organic hybrid material. The whole flexible pressure sensor of the Mxene-based low-dimensional inorganic / organic hybrid material is of a sandwich structure and sequentially comprises a protective layer, a modified microstructure layer, a composite sensitive layer, an electrode layer, a modified microstructure layer and a protective layer from top to bottom. A conductive silver paste adhesion interdigital electrode is used as a transmission electrode layer, a cashmere fabric compounded by Mxene and silver nanowires is used as a sensitive layer, abrasive paper is used as a template, PDMS is used as a base material, a modified microstructure layer is obtained through two times of copying, an insulating soft material such as PDMS or resin is selected as a protective layer, and the flexible pressure sensor is obtained through packaging. The preparation method of the flexible pressure sensor of the Mxene-based low-dimensional inorganic / organic hybrid material is simple in processing technology, low in product cost, good in compression characteristic and high in sensitivity, detection of small pressure such as swallowing and pulse of a human body and detection of large pressure such as foot force in different postures can be achieved, and the flexible pressure sensor is suitable for large-scale popularization and application. The method has great application potential in the fields of medical treatment, sports, health protection and the like.

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.

This relates to a method of manufacture of silicone-polyolefin hybrid material using silicone rubber bases comprising high viscosity (i.e., greater than 1 million mPa.s at 25ºC) silicone polymers, fillers, and suitable polyolefin materials in a conical screw dump extruder. Such high viscosity silicone polymers are often referred to in the industry as silicone polymer gums or silicone gums. The disclosure also relates to the resulting silicone-polyolefin hybrid materials, their uses and products made therefrom.

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 invention discloses an amino acid-hydrated zirconium oxide hybrid material as well as a preparation method and application thereof, and belongs to the field of water treatment. The specific preparation method of the hybrid material comprises the following steps: dissolving amino acid in deionized water, dropwise adding an ammonium zirconium carbonate solution, and stirring at room temperature to obtain a transparent mixed solution; drying the transparent mixed solution at a constant temperature to obtain a white solid, and soaking, washing and filtering to obtain a white precipitate; and drying the white precipitate at constant temperature to obtain a product. The adsorption capacities of the prepared Arg-HZO on Cr (VI) and phosphate are respectively about 14 and 12 times of those of blank HZO, and the adsorption capacities of the Lys-HZO on Cr (VI) and phosphate are also about 15 and 10 times of those of the blank HZO. Even if competitive ions exist in the solution, the Arg-HZO and the Lys-HZO still have excellent adsorption capacity on Cr (VI) and phosphate, and have good anti-interference capacity. The prepared Arg-HZO and Lys-HZO have the advantages of being environmentally friendly, efficient, good in Cr (VI) and phosphate selectivity, high in mechanical stability and the like, and are promising adsorbents for removing Cr (VI) and phosphate in wastewater.

The invention provides a G-CNT / boron nitride reinforced polyether-ether-ketone composite material as well as a preparation method and application thereof, and relates to the technical field of orthopedic implant materials. The G-CNT / boron nitride reinforced polyether-ether-ketone composite material is composed of a G-CNT hybrid material, spherical boron nitride particles and polyether-ether-ketone, and based on the total mass of the composite material, the G-CNT / boron nitride reinforced polyether-ether-ketone composite material contains 0.1-20 wt% of G-CNT, 0.1-5 wt% of boron nitride and the balance of polyether-ether-ketone. The invention aims to provide the novel G-CNT / boron nitride reinforced polyether-ether-ketone composite material aiming at the defects in the prior art. The novel G-CNT / boron nitride reinforced polyether-ether-ketone composite material is simple in process and low in cost, industrial production is easy to realize, and the wear resistance of the polyether-ether-ketone material can be remarkably improved.