Preparation method of heat-conducting foam carbon and prepared heat-conducting foam carbon

• Main Authors: DUAN CHUNTING, LIU JUNQING, SHENG YING, WANG HONGFEI, RUAN RUYU, ZHENG DONGFANG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2024
• Subjects: ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DYES; LIME, MAGNESIA; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention relates to a preparation method of heat-conducting foam carbon and the prepared heat-conducting foam carbon, and the preparation method comprises the following steps: (1) crushing an asphalt component, carrying out dry mixing on the crushed asphalt component, porous graphite and an optional heat-conducting reinforcing material for uniform mixing, and then carrying out compression molding; (2) treating the preformed material obtained in the step (1) for more than 10 minutes at 450-700 DEG C under normal pressure to obtain a formed material; (3) performing high-temperature treatment on the molded material obtained in the step (2) at normal pressure and in a protective atmosphere at the temperature of 900 DEG C or above to obtain a foam carbon material; a normal-pressure preparation process is adopted, the process is simple and convenient, the cost is low, a low-density porous structure and multi-stage pore size distribution are achieved through effective lap joint between porous graphite, and a la