Disclosed is a composite material manufacturing equipment including a raw material cylinder, an oil hydraulic piston and a rotating mold. The raw material cylinder has a raw material chamber, a material inlet and a material outlet, the raw material chamber can be filled with a substrate and a reinforcing phase material. The oil hydraulic piston is arranged at a side of the material inlet of the raw material cylinder for pushing the substrate and the reinforcing phase material to move towards the material outlet. The rotating mold is arranged at a side of the material outlet of the raw material cylinder, and includes an outer mold and a rotating flow channel inside the outer mold, the outer mold can rotationally rub the substrate to plasticize the substrate, the rotating flow channel can disperse and mix the plasticized substrate and the reinforcing phase material to form a composite material.
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
The present invention discloses a graphene composite material including a columnar substrate and graphene sheets, wherein the columnar substrate accounts for 99.9-90% of overall weight, the graphene sheets accounts for 0.1-10% of overall weight, and the graphene sheets form a plurality of circular patterns of different radii on a radial section of the columnar substrate. The present invention further discloses a method of manufacturing the graphene composite material including: providing a columnar substrate and graphene sheets; rotationally rubbing the columnar substrate to form a plasticized substrate; applying shear force to stir the plasticized substrate and the graphene sheets to form a graphene-substrate slurry; and cooling the graphene-substrate slurry to form a graphene composite material.
Disclosed is a method of manufacturing a graphene conductive fabric, which includes mixing a first solvent, a second solvent and nano-graphene sheets, dispersing the nano-graphene sheets with a mechanical force to form a graphene suspension solution; adding at least a curable resin to the graphene suspension solution, dispersing the nano-graphene sheets and the curable resin with the mechanical force to form a graphene resin solution; coating or printing the graphene resin solution on a hydrophobic protective layer, curing the graphene resin solution to form a graphene conductive layer adhered to the hydrophobic protective layer; coating a hot glue layer on the graphene conductive layer; and attaching a fibrous tissue on the hot glue layer, heating and pressing the fibrous tissue to allow the hot glue layer respectively adhere to the graphene conductive layer and the fibrous tissue.
D06M 11/74 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphiteTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbidesTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with graphitic acids or their salts
D06M 23/10 - Processes in which the treating agent is dissolved or dispersed in organic solventsProcesses for the recovery of organic solvents thereof
D06M 15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane linksPrecondensation products forming them
D02G 3/44 - Yarns or threads characterised by the purpose for which they are designed
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
Provided is a graphene additive, having a viscosity between 1000 and 40000 cps and a grind fineness not greater than 15 μm, and comprising: nano-graphene sheets and a silane coupling agent, wherein a weight ratio of the nano-graphene sheets to the silane coupling agent is 0.1-15:99.9-85, and carbon atoms on a surface of the nano-graphene sheets form chemical bonds Si—O—C with oxygen substituents of the silane coupling agent. The present application further provides a method of preparing the graphene additive.
C10M 139/04 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups having a silicon-to-carbon bond, e.g. silanes
B82Y 40/00 - Manufacture or treatment of nanostructures
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
5.
Graphene dispersion pastes, methods of preparing and using the same
3, a thickness in a range from 0.68 to 10 nm, and a plane lateral dimension in a range from 1 to 100 μm. The present application further provides methods of preparing and using the graphene dispersion paste.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Natural graphite for industrial purposes; graphene for industrial purposes; carbon for industrial purposes [ ; activated carbons for general industrial purposes ]
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Natural graphite for industrial purposes; graphene for industrial purposes; carbon for industrial purposes [ ; activated carbons for general industrial purposes ]
8.
Composite structure of graphene and carbon nanotube and method of manufacturing the same
The present invention discloses a composite structure of graphene and carbon nanotube and a method of manufacturing the same. The composite structure includes graphene platelets and carbon nanotubes, each carbon nanotube growing perpendicular to the planar surface of the graphene platelet. The method includes steps of graphene platelets preparation, chemical precipitation, chemical reduction and carbon nanotube growth. Metal particles are first formed on the graphene platelets through the steps of chemical precipitation and electrochemical reduction, and carbon nanotubes grow in the step of carbon nanotube growth through thermal treatment. Thus, the graphene platelets and the carbon nanotubes of the present invention form a three dimensional structure, and the carbon nanotubes are used as three dimensional spacers and configured between the graphene platelets, which are effectively separated and hard to aggregate or congregate together.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
C23C 18/08 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of metallic material
H01F 1/42 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of organic or organo-metallic materials
A method of surface modifying graphene is disclosed and includes placing powder-like graphene into a closed container, heating up to a preset impurity detaching temperature higher than 100° C. so as to detach the impurity from the surface of graphene, further adjusting the treatment temperature to a preset surface modifying temperature, and injecting the gaseous surface modifying agent to be physically adsorbed by the surface of graphene. Thus, surface modified graphene is formed. The surface modifying temperature is higher than the sublimation temperature of the surface modifying agent and less than the decomposition temperature of the surface modifying agent. Therefore, the present invention is simpler and safer because of only physical adsorption used and no chemical reaction involved. Dispersibility of surface modified graphene in the solution is greatly increased to improve uniformity and enhance the performance of the final product formed of surface modified graphene.
Disclosed is a graphene printed circuit pattern structure including a substrate excellent in electrical insulation and a graphene printed circuit layer provided on the substrate. The graphene printed circuit layer is electrically conductive and has a circuit pattern like an electrical circuit on the circuit board. The graphene printed circuit layer includes surface-modified nanographene platelets, a carrier resin and a filler. The ratio of the particle size of the filler to the thickness of the surface-modified nanographene platelet is 2-1000, and the surface-modified nanographene platelets are dispersed in the carrier resin. The filler is uniformly placed among the surface-modified nanographene platelets so as to enhance effective contact for the surface-modified nanographene platelets. The graphene printed circuit pattern structure provides excellent electrical properties and heat dissipation to achieve protection by preventing electrical elements from overheat.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
H05K 1/09 - Use of materials for the metallic pattern
Disclosed is a graphene polymer composite material, including a matrix resin, a filler and a plurality of nano-scaled graphene sheets. Each nano-scaled graphene sheet has a surface-modified layer formed of a surface modifying agent, which provides hydrophilic and hydrophobic functional groups used to form chemical bonds with the matrix resin and the filler, thereby greatly improving strength of junction cohesion. The filler helps the graphene sheets to contact each other so as so to increase overall electrical conductivity and thermal conductivity. Since the graphene sheets are uniformly dispersed in the matrix resin, the composite material of the present invention possesses excellent mechanical property, anti-oxidation, acid-base resistance, high electrical conductivity and thermal conductivity. Therefore, the composite material is suitable for the industries in need of high performance material.
A modified lubricant includes lubricant grease and nano-graphite plates dispersed thoroughly in the lubricant grease. The content of the nano-graphite plates is 0.0001 wt % to 10 wt %. Each nano-graphite plate has a length or a width between 1 and 100 μm, a thickness within 10 nm and 100 nm, and N graphene layers stacked together and a surface modifying layer disposed on the top or bottom of the nano-graphite plates, wherein N is 30 to 300. The surface modifying layer has a surface modifying agent which includes at least two functional groups located at two ends of the surface modifying agent, one of the two functional groups is chemically bonded with certain organic functional group remaining on the surface of the nano-graphite plate, and the other of the two functional groups forms the functional surface of the nano-graphite plate.
3, a thickness of 10 nm to 100 nm, and a lateral dimension of 1 μm to 100 μm. The ratio of the lateral dimension to the thickness is between 10 and 10,000. The oxygen content is less than 3 wt %, and the carbon content is larger than 95 wt %. The nano-graphite plate structure has both the excellent features of the graphene and the original advantages of easy processability of the natural graphite so as to be broadly used in various application fields.
An electrochemical separation membrane and the manufacturing method thereof are disclosed. The method includes: a polymer solution preparing step to mix a polymer material, solvent and ceramic precursors thoroughly to form a polymer solution, wherein the polymer material and the ceramic precursors are dissolved uniformly in the solvent; a coating step to coat the polymer solution on a porous base material; a hydrolysis step to cause the porous base material coated with the polymer solution to contact an aqueous solution to hydrolyze the ceramic precursor into ceramic particles; and a drying step to remove the water and the solvent from the porous base material and in order to form the electrochemical separation membrane. The electrochemical separation membrane made of this method have better ion conductivity, interface stability and thermal stability based on the ceramic particles.
A method for the preparation of graphene is provided, which includes: (a) oxidizing a graphite material to form graphite oxide; (b) dispersing graphite oxide into water to form an aqueous suspension of graphite oxide; (c) adding a dispersing agent to the aqueous suspension of graphite oxide; and (d) adding an acidic reducing agent to the aqueous suspension of graphite oxide, wherein graphite oxide is reduced to graphene by the acidic reducing agent, and graphene is further bonded with the dispersing agent to form a graphene dispersion containing a surface-modified graphene. The present invention provides a method for the preparation of graphene using an acidic reducing agent. The obtained graphene can be homogeneously dispersed in water, an acidic solution, a basic solution, or an organic solution.
D01F 9/12 - Carbon filamentsApparatus specially adapted for the manufacture thereof
B82Y 40/00 - Manufacture or treatment of nanostructures
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
01 - Chemical and biological materials for industrial, scientific and agricultural use
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Catalytic agents; electrophoresis gels other than for medical or veterinary purposes; chromatography chemicals; battery electrolytes; and polymer coagulant agents for use in the fuel cell industry Fuel cells; batteries; battery packs; fuel cartridges in the nature of fuel cells; storage battery; mobile phone battery; battery cases; battery electrode Design for others in the fuel cell industry; providing quality assurance services in the fuel cell industry; electrical and power engineering consulting; providing flow engineering in the fuel cell industry
01 - Chemical and biological materials for industrial, scientific and agricultural use
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Catalytic agents; electrophoresis gels other than for medical or veterinary purposes; chromatography chemicals; battery electrolytes; and polymer coagulant agents for use in the fuel cell industry Fuel cells; batteries; battery packs; fuel cartridges in the nature of fuel cells; storage battery; mobile phone battery; battery cases; battery electrode Design for others in the fuel cell industry; providing quality assurance services in the fuel cell industry; electrical and power engineering consulting; providing flow engineering in the fuel cell industry
