31-03-2022 дата публикации
Номер: US20220098463A1
A thermal dissipation composite material comprising: a matrix including a polymer material; and composite particles distributed in the matrix, wherein the composite particles include a filler, and a thermally conductive material coated on the surface of the filler by an inorganic coating layer, and wherein the plurality of thermally conductive materials coated by the inorganic coating layer are connected to each other on the surfaces of the plurality of composite particles so as to establish a heat transfer network. 1. A method of manufacturing a thermal dissipation composite material , the method comprising:preparing a first mixture by mixing an inorganic binder and a filler with each other;preparing a second mixture by mixing a thermally conductive material with the first mixture;preparing a composite particle in which a surface of the filler is coated with the thermally conductive material by an inorganic coating layer formed by curing the inorganic binder, by thermally treating the second mixture; andpreparing the thermal dissipation composite material by mixing the composite particle and a polymer material with each other.2. The method of claim 1 , wherein the preparing of the first mixture includes:providing a solvent to the inorganic binder, and performing stirring; andpreparing the first mixture by providing the filler to the solvent and the inorganic binder, which are stirred, and performing stirring.3. The method of claim 1 , wherein the preparing of the second mixture includes:generating an OH functional group on a surface of the thermally conductive material by thermally treating the thermally conductive material; andpreparing the second mixture by providing the thermally conductive material on which the OH functional group is generated to the first mixture and performing stirring.4. The method of claim 3 , wherein the thermally conductive material is thermally treated in an oxygen atmosphere claim 3 , andthe thermally conductive material on which the OH ...
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