摘要:
A thermally insulating multilayer sheet includes a compressible layer, and a thermal insulation layer, a flame retardant layer, or a combination thereof disposed on the compressible layer.
摘要:
In an embodiment, a method of making isotropic boron nitride includes combining anisotropic boron nitride comprising an interstice with a supercritical fluid; penetrating the interstice with the supercritical fluid, expanding the interstice to form the isotropic boron nitride, and optionally repeating the combining, penetrating or expanding.
摘要:
A method of making isotropic boron nitride includes combining anisotropic boron nitride comprising an interstice with water; penetrating the interstice with the water, expanding the interstice, and optionally repeating the combining, penetrating or expanding.
摘要:
In an embodiment, a method for preparing a nanosheet comprises mixing a raw material having a hexagonal crystal structure, an acid, and a salt to form the nanosheet having a hexagonal crystal structure; wherein the raw material comprises at least one of a hexagonal boron nitride, a hexagonal molybdenum disulphide, a hexagonal graphite, or a hexagonal tungsten disulphide; and isolating the nanosheet.
摘要:
A method for preparing a nickel/aluminum spinel-coated aluminum oxide composite material includes coating the surface of an aluminum oxide powder with a nano-layer of NiO in an aqueous solution by a solution reaction method; and sintering the NiO-coated aluminum oxide powder to provide the spinel-coated aluminum oxide composite material.
摘要:
In an embodiment, a method for preparing expanded hexagonal boron nitride comprises mixing a boron compound and a carbon template in an organic solvent; removing the organic solvent to provide a dried mixture of the boron compound and the carbon template; exposing the dried mixture to a nitrogen-containing gas under conditions effective to provide a crude product comprising hexagonal boron nitride; removing the carbon template from the crude product to provide the expanded hexagonal boron nitride.
摘要:
A method for preparing hexagonal boron nitride comprises mixing a boron compound and a carbon template in an organic solvent; removing the organic solvent to provide a dried mixture of the boron compound and the carbon template; exposing the dried mixture to a nitrogen-containing gas under conditions effective to provide a crude product comprising hexagonal boron nitride; removing the carbon template from the crude product to provide the hexagonal boron nitride.
摘要:
A process for making a thermal interface composite material includes combining a plurality of sol-gel coated boron nitride particles comprising boron nitride particles comprising an outer layer of inorganic silica, with a precursor polymer matrix composition, to form a mixture; forming the mixture into a shape; and hardening the shaped mixture to obtain the thermal interface composite material comprising the plurality of sol-gel coated boron nitride particles distributed in a polymer matrix.