37 results about "Carbon based nanomaterials" patented technology

The invention relates to the technical field of intelligent pavements, in particular to a material for an intelligent pavement, a self-sensing and self-repairing intelligent pavement and an implementation method of the self-sensing and self-repairing intelligent pavement. The material for the intelligent pavement comprises a mixture of a matrix binding material, a self-sensing unit and a self-repairing unit, the mass of the self-sensing unit is 0.3%-1.5% of the mass of the matrix binding material, and the self-sensing unit is selected from at least one of a carbon-based nano material and short carbon fibers; the self-repairing unit comprises a microcapsule repairing agent and a shape memory fiber. The three-in-one framework of the intelligent surface layer, the induction monitoring network and the intelligent control system can realize self-sensing of the health state of the road surface; when a crack occurs at the position of the microcapsule, the microcapsule shell can be passively broken to release a repairing agent to fill the crack, and meanwhile, after a damage sign is found through self-sensing, the shape memory fiber can be triggered to actively repair.

The invention discloses a multifunctional composite coating with high photothermal conversion efficiency and a preparation method thereof, and belongs to the technical field of functional coating materials. The problems that an existing carbon-based photo-thermal material is large in reflection loss, poor in mechanical durability and single in function are solved. The coating is formed by compounding a zinc oxide microflower framework or a zinc oxide microflower-micro-nano particle multilevel structure framework, a carbon-based nano material attached to the surface of the framework and a surface modifier. The preparation method of the coating comprises the following steps: synthesizing zinc oxide microflowers by a hydrothermal method; the preparation method comprises the following steps: jointly dispersing the graphene oxide, a carbon material and a micro-nano material in a solvent containing a surface modifier to form a coating solution, finally spraying, brushing or spin-coating the coating solution on a substrate, and curing to obtain the composite material. The coating integrates the functions of efficient photothermal conversion, stable super-hydrophobicity, long-acting corrosion prevention and active anti-icing / deicing, has excellent mechanical strength and wear resistance, and is low in raw material cost, simple in process and suitable for large-scale preparation.

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) composite material as well as a preparation method and application thereof. The ABS composite material is prepared from the following components in parts by weight: 87 to 99 parts of ABS resin, 0.5 to 5 parts of lanthanide oxide, 0.5 to 5 parts of liquid crystal polymer, 0.1 to 0.5 part of carbon nano tube, nano zinc oxide, organic dye molecules and a carbon-based nano material, the mass ratio of the nano zinc oxide to the organic dye molecules to the carbon-based nano material is (2-4): (3-5): (2-4); the total dosage of the nano zinc oxide, the organic dye molecules and the carbon-based nano material is 3-7 parts. According to the ABS composite material provided by the invention, the time required by laser marking is shortened, the definition of laser marking is improved, and the carbonization or yellowing phenomenon caused by local overheating of the surface of the material is avoided.

The invention discloses an immune microelectrode, an immune electrochemical sensor and a preparation method and application of the immune microelectrode and the immune electrochemical sensor. An immune microelectrode prepared by modifying a micron-level metal electrode wire with a carbon-based nano material and a plant hormone antibody is used as a working electrode, and the electrochemical sensor taking the working electrode as a substrate is used for detecting plant hormones in a plant tissue micro-area. A sensor based on the electrode shows good electrode stability in the process of detecting plant hormones in a plant tissue microcell, and the detection range is large. For other interfering substances such as auxin, salicylic acid and the like in a plant body, generated response signals are greatly different from the auxin and the salicylic acid or basically have no response signals, the electrode shows good specificity, and the method for rapidly detecting the plant hormones in the plant tissue microcell through the electrode is convenient and simple. On the basis of plant tissue micro-area detection, in-situ detection can be carried out on plants.

The invention belongs to the field of electrothermal films, and particularly relates to an electric heating film and a preparation method thereof. The electric heating film provided by the invention comprises a release layer, a hot melt adhesive layer, a carbon-based nano material heating layer and a flexible insulating layer which are sequentially stacked, the carbon-based nano material heating layer contains a polymer matrix and a carbon-based nano material dispersed in the polymer matrix, and the carbon-based nano material comprises a carbon nano tube and a graphene microchip; a flexible electrode is arranged between the hot melt adhesive layer and the carbon-based nanometer material heating layer, and the flexible electrode and the carbon-based nanometer material heating layer form ohmic contact. According to the invention, the film layer structure and the components of each layer of the electrothermal film are optimally designed, so that the electrothermal film has good flexibility, infrared radiance and electricity-heat conversion efficiency; and the electrothermal film is integrated with the adhesive layer, so that the electrothermal film can be adhered and fixed after the release layer is torn off during use, an auxiliary fixing piece does not need to be additionally arranged, and the electrothermal film is more convenient to use.

The invention belongs to the technical field of heat storage materials, and particularly relates to a mixed nano fused salt material suitable for a high-temperature working condition as well as a preparation method and application of the mixed nano fused salt material. The mixed nano molten salt material is prepared by taking ternary carbonate composed of lithium carbonate, sodium carbonate and potassium carbonate as a matrix and introducing at least one kind of nano particles or a composite system of multiple kinds of nano particles, and the nano particles are selected from metal oxides, metal carbides, metal nitrides or carbon-based nano materials. The microstructure and interface characteristics of the ternary carbonate fused salt are regulated and controlled through the high specific surface area and the interface synergistic effect of the nano-particles, so that the specific heat capacity, the heat-conducting property and the photo-thermal conversion capacity of the ternary carbonate fused salt are remarkably improved, and the high-temperature cycling stability of the ternary carbonate fused salt is improved. According to the mixed nano fused salt material, on the premise that the original working temperature interval is basically unchanged, synergistic enhancement of multiple thermophysical properties is achieved, and the mixed nano fused salt material has excellent heat absorption and storage performance and long-term operation stability. The preparation method is simple in process and high in repeatability, and the obtained mixed nano fused salt material is suitable for integrated application of high-temperature heat storage and heat absorption in a concentrating solar power generation system and has a good engineering application prospect.

The invention relates to a sunscreen fiber, a preparation method thereof and a radiation refrigeration fabric. The sunscreen fiber comprises a core layer and a skin layer coating the surface of the core layer, wherein the core layer comprises a carbon-based nano material, the skin layer comprises radiation refrigeration particles, the absorptivity of the carbon-based nano material to sunlight at the wave band of 0.3-2.5 microns is a, the mass fraction of the carbon-based nano material in the core layer is m1, the atmospheric window emissivity of the radiation refrigeration particles at the wave band of 8-13 microns is b, and the sunlight reflectivity of the radiation refrigeration particles at the wave band of 0.3-2.5 microns is c, the mass fraction of the radiation refrigeration particles in the skin layer is m2, and a, b, c, m1 and m2 meet the following condition that c is larger than or equal to 88%. The sunscreen fiber has excellent sunlight total spectrum reflection performance and shading performance, and the radiation refrigeration fabric prepared from the sunscreen fiber as a raw material has extremely low sunlight transmittance, so that a better radiation refrigeration effect can be achieved.

This invention provides biomass carbon / metal oxide nanoparticles and their preparation method, as well as carbon-based nanomaterial emulsifiers and their applications. The preparation method of the biomass carbon / metal oxide nanoparticles includes: sequentially drying, carbonizing, and pulverizing biomass loaded with metal oxide precursors. The biomass carbon / metal oxide nanoparticles of this invention have strong emulsifying properties, low raw material costs, require no surface modification, have a simple preparation process, are highly practical, and are easy to promote and use. The carbon-based nanomaterial emulsifier containing biomass carbon / metal oxide nanoparticles can enhance the emulsifying ability of nanocomposite oil displacement systems, achieve efficient oil washing and emulsification diffusion, and solve the problem of poor emulsification and oil displacement effect in composite oil displacement systems under alkali-free conditions. This is of great significance for the efficient development of medium- and low-permeability reservoirs.

The present disclosure relates to a carbon-based nanomaterial composition that may be formed from a gas mixture. The gas mixture may include acetylene gas at a molar ratio AGmol / GMmol of at least about 0.55 and not greater than about 0.99, oxygen gas at a molar ratio OGmol / GMmol of at least about 0.01 and not greater than about 0.75, and hydrogen gas at a molar ratio HGmol / GMmol of at least about 0.05 and not greater than about 0.90. The carbon-based nanomaterial composition may have a carbon hybridization ratio Psp3 / Psp2 of at least about 0.0 and not greater than about 5.0, where Psp3 is the percent of carbon within the carbon-based nanomaterial composition having a sp3 hybridization and Psp2 is the percent of carbon within the carbon-based nanomaterial composition having a sp2 hybridization.

The present disclosure relates to a carbon-based nanomaterial composition and methods of forming the same The carbon-based nanomaterial may be formed from a gas mixture and a boron powder. The gas mixture may include a carbon-based gas, an oxygen gas, and a hydrogen gas. The carbon-based nanomaterial composition may include boron doped nanospheres.

Described herein are carbon-based nanomaterial compositions that may be formed from a gas mixture and a silicon dioxide powder. The gas mixture may include a carbon-based gas, an oxygen gas, and a hydrogen gas and the resultant carbon-based nanomaterial compositions include silicon dioxide doped nanospheres.

The application discloses a Enteromorpha-based high-dispersed iron atom modified carbon-based nanomaterial and a preparation method and application thereof, and belongs to the field of biological comprehensive utilization and marine environmental pollution treatment. The Enteromorpha biomass is high-temperature calcined in an inert atmosphere at >700 DEG C, the obtained material is mixed with graphite-type carbon nitride, the mixed material is uniformly mixed, and the Enteromorpha-based high-dispersed iron atom modified carbon-based nanomaterial is obtained by heat treatment at 300-500 DEG C for 1-3 hours. The preparation method is simple and efficient, saves time and effort, is environment-friendly and energy-saving, solves the problems of low utilization rate of Enteromorpha and environmental pollution, greatly expands the application range of the graphite-type carbon nitride material g-C3N4, improves the degradation efficiency of herbicides, and for atrazine, the degradation efficiency can reach nearly 80% in 10 minutes, and the degradation rate is 0.13112 min ‑1 , which is 4.39 times of the degradation rate of g-C3N4.

The application discloses a warm-keeping fabric with passive radiation and photoelectric heating and a preparation method thereof. The warm-keeping fabric is knitted by a composite fabric fiber structure, and the composite fabric fiber structure comprises a fabric base, an adhesive adsorbed on the surface of the fabric base, a porous metal hydroxide layer with the functions of heat insulation and passive radiation warm-keeping, and a carbon nanomaterial layer with the functions of passive radiation and photoelectric heating, wherein the porous metal hydroxide layer is located between the carbon nanomaterial layer and the adhesive. The method comprises the following steps: fabric base pretreatment, hydrothermal treatment of the fabric base containing the adhesive, and surface treatment of the fabric base containing the porous metal hydroxide layer and the adhesive. The application realizes firm combination of the metal hydroxide and the carbon-based nanomaterial with the fabric, and the metal hydroxide and the carbon-based nanomaterial are uniformly and densely distributed on the surface of each fiber without damaging the fiber itself and the porous structure of the fabric, so that the warm-keeping performance of the fabric is improved.

The present invention provides a CO2-photothermal dual-responsive nanoemulsion separation membrane, relating to the field of chemical separation technology. The membrane is woven from fibers with a three-layer structure: (i) a fiber core, (ii) a middle photothermal coating of carbon-based nanomaterials and polyvinyl alcohol, and (iii) an outer CO2-responsive functional coating synthesized via free radical polymerization of a CO2-responsive monomer and a hard monomer. The separation membrane has a pore size distribution below 0.1 μm. It exhibits excellent photothermal performance, enabling significant temperature increase on the membrane surface within 15 seconds under near-infrared irradiation, thereby achieving a transition from a protonated to a deprotonated state within 1 minute.

The present disclosure relates to a carbon-based nanomaterial composition that may be formed from a gas mixture and a bromine powder. The gas mixture may include a carbon-based gas, an oxygen gas, and a hydrogen gas. The carbon-based nanomaterial composition may include bromine doped nanospheres.

The present application relates to a kind of flushing fluid for shale reservoir well wall and its preparation method, the preparation method includes that organic amine and organic acid or its sodium salt are reacted to obtain carbon-based nanomaterial, carbon-based nanomaterial is mixed with sodium alpha-olefin sulfonate and ultrapure water, to obtain the flushing fluid for shale reservoir well wall.The flushing fluid for shale reservoir well wall prepared by the present application is a kind of nanofluid flushing fluid based on activated carbon point, can effectively strip the residual drilling fluid on the surface of well wall rock and improve well wall rock wettability, improve cementing quality, and can effectively improve the oil washing efficiency for residual drilling fluid, improve the cementing quality of well wall and cement sheath.

The invention relates to the technical field of drinking water residual chlorine detection, and discloses an electrode assembly for residual chlorine detection, a preparation method and a residual chlorine sensing device. The electrode assembly for residual chlorine detection comprises a working electrode, the working electrode comprises a substrate and a sensitive coating, the sensitive coating comprises a plurality of structural layers, the structural layers are distributed on the surface of the substrate, and the substrate is prepared from carbon fibers of a micron-sized structure. The carbon fiber with the micron-sized structure comprises one of a carbon fiber sheet, a carbon felt and carbon cloth, the structural layer is prepared from a carbon-based nano material, and the carbon-based nano material comprises one of graphene and MXene carbide. According to the invention, the inherent defects of high cost and complex structure are overcome, and an innovative path is provided for realizing large-scale production and commercial application.

The invention discloses a carbon-based nano material for relieving ischemia reperfusion injury, and relates to the technical field of medical chemistry application. The carbon-based nano material comprises an active component and a pharmaceutically acceptable carrier, the active component is at least one of fullerene, fullerol, carbon quantum dots, carbon fibers, carbon nanotubes, carbon nanowires and graphene; the pharmaceutically acceptable carrier is at least one of water, cellulose, acrylic resin, polyvinylpyrrolidone, polyvinyl alcohol, polyethylene glycol, a polyoxyethylene-polyoxypropylene copolymer and a derivative thereof, hyaluronic acid and a derivative thereof, alginic acid and a derivative thereof, and chitosan and a derivative thereof. The invention also provides a preparation method and application of the carbon-based nano material. By utilizing the pH response characteristic of the alginate microspheres, the fullerol is accurately released in the small intestine, and meanwhile, by virtue of the mucosa adhesion property of the chitosan, the retention time of the fullerol in the small intestine is prolonged, and the slow release of the medicine is realized.

The application discloses a kind of functional conductive hydrogel and its preparation method and application, belong to the technical field of hydrogel.The preparation method includes: carbon-based nanomaterial is added to PEDOT:PSS solution ice bath ultrasonic, obtain the mixed solution of carbon-based nanomaterial and PEDOT:PSS;Carbon-based nanomaterial and PEDOT:PSS mixed solution is freeze-dried treatment, obtain double conductive filler fiber;F127DA powder is added to photo-initiator solution and is ice bath stirring, obtain F127DA solution;Double conductive filler fiber is dispersed in F127DA solution by ice bath stirring, obtain the uniformly dispersed conductive gel precursor ink;Conductive gel precursor ink is reacted under light curing condition, and the functional conductive hydrogel obtained.The functional conductive hydrogel can be quickly cured and formed on demand by ultraviolet light induction, shows good biocompatibility, not only can be used as "skin electronic tattoo" towards multi-modal application scenarios such as strain and humidity sensing, but also can effectively stimulate in-vivo sciatic nerve under low voltage.

The invention provides a positive electrode material for a lithium-chlorine secondary battery as well as a preparation method and application of the positive electrode material, and belongs to the technical field of novel electrochemical energy storage. The positive electrode material for the lithium-chlorine secondary battery is a nitrogen-doped hollow carbon-based nano material and comprises an outer shell and an inner cavity formed by the outer shell in a surrounding manner, and a through hole penetrating through the outer shell in the thickness direction is formed in the outer shell.

The application provides a wave-absorbing coating based on a super-structured surface and a preparation method thereof, and relates to the field of radar wave-absorbing functional coating. The wave-absorbing coating based on the super-structured surface comprises a bottom coating and a surface coating. The bottom coating is mainly composed of a base resin and a magnetic medium type wave-absorbing agent. The surface coating is mainly composed of a base resin and a carbon-based nanomaterial wave-absorbing agent. The surface of the surface coating is provided with a super-structure composed of periodically arranged convex polygonal resonant units. The wave-absorbing coating provided by the application has good full-band electromagnetic wave absorption performance, and the weight is reduced by more than 65% compared with the conventional wave-absorbing coating. The problems of the existing wave-absorbing coating, such as too large areal density and insufficient environmental resistance, can be solved, and the application range of the wave-absorbing coating is expanded.

The present disclosure relates to a carbon-based nanomaterial composition that may be formed from a gas mixture and a nitrogen powder. The gas mixture may include a carbon based gas, an oxygen gas, and a hydrogen gas. The carbon-based nanomaterial composition may include nitrogen doped nanospheres.

The application provides a Ce / EDA-Suc-Glu composite material and a preparation method and application thereof, the composite material comprises an EDA-Suc-Glu base and Ce loaded on the EDA-Suc-Glu base, the EDA-Suc-Glu base is a nitrogen-containing carbon-based nanomaterial prepared from ethylenediamine, sucrose and L-glutamic acid, and the loaded Ce is derived from cerium nitrate. Through the synergistic effect of EDA-Suc-Glu and Ce, the EDA-Suc-Glu provides rich adsorption functional groups, the Ce forms active sites, the specific surface area and the selective adsorption capacity of the base are improved, and efficient adsorption of Cr 3+ is realized.

A carbon-based nanomaterial resin composite comprising epoxy resin doped with carbon-based nanomaterial fillers and the method of making is disclosed. The composite includes doping epoxy resin with surface-modified carbon-based nanomaterials including graphene and carbon nanotubes that improve the mechanical properties such as strength and Young's modulus of the doped resin. Surface modification includes oxidizing the surface of the carbon-based nanomaterials, coating the surface with polymers, and distributing magnetic nanoparticles on the surface of the carbon-based nanomaterials. In another aspect, an external magnetic field may be applied to prevent agglomeration of and directionally align the carbon-based nanomaterials within the resin matrix promoting covalent and non-covalent interactions thereby mechanically and thermally stabilizing the resin composite.

The invention discloses a tumor targeted diagnosis and treatment integrated bionic nano preparation and a preparation method thereof. The tumor targeted diagnosis and treatment integrated bionic nano preparation comprises a carrier, a sorafenib active drug loaded on the carrier and a cancer cell membrane coated on the outer layer, the carrier is a carbon-gold composite nano-carrier, and the composite nano-carrier is formed by compounding a gold nanorod and a carbon-based nano-material. The bionic nano-preparation prepared by the invention is used as a nano-delivery platform, the drug can act on cancer cells in a targeting manner, the drug intake of the cancer cells is increased, the intake of the preparation by normal cells is reduced, the curative effect is improved, the toxic and side effects are reduced, and the carbon-based nano-material in the carrier can enter the cancer cells to display the fluorescence characteristic, so that the preparation has a good application prospect. And the nano-gold rod has the effect of assisting in photo-thermal therapy of the nano-gold rod, so that the treatment effect is comprehensively improved, and the integration of diagnosis and treatment is realized.

The present disclosure relates to a carbon-based nanomaterial composition that may be formed from a gas mixture and a sulfur powder. The gas mixture may include a carbon based gas, an oxygen gas, and a hydrogen gas. The carbon-based nanomaterial composition may include sulfur doped nanospheres.

The present disclosure relates to a silicon composition that may be formed from a gas mixture and a silicon precursor component. The gas mixture may include a carbon based gas, an oxygen gas, and a hydrogen gas. The silicon composition may include a pure silicon component and a carbon-based nanomaterial composition component. The carbon-based nanomaterial composition component may include silicon doped nanospheres.

The present disclosure relates to a silicon composition that may be formed from a gas mixture and a silicon dioxide precursor component. The gas mixture may include a carbon based gas, an oxygen gas, and a hydrogen gas. The silicon composition may include a pure silicon component and a carbon-based nanomaterial composition component. The carbon-based nanomaterial composition component may include silicon dioxide doped nanospheres.

To provide a resin composition, a molded article, and a composite, and methods for producing the same, which exhibit excellent conductivity and toughness and additionally possess high flame retardancy and cold thermal shock resistance.SOLUTION: There are provided a polyarylene sulfide (PAS) resin composition comprising, as essential components, a PAS resin, a carbon-based nanomaterial, and a silicone-based elastomer, wherein, with respect to 100 pts.mass of the PAS resin, the carbon-based nanomaterial is 0.1 to 2 pts.mass and the silicone-based elastomer is 3 to 25 pts.mass, and the silicone-based elastomer is of a core-shell type, and a molded article and a composite comprising the PAS resin composition, and methods for producing the same.SELECTED DRAWING: None