▎ 摘　　要

NOVELTY - Thermal conductive materials comprises 100-150 pts. wt. methyl vinyl silicone oil, 15-30 pts. wt. hydrogen silicone oil, 300-500 pts. wt. modified alumina particles, 50-100 pts. wt. graphene fiber powder, 80-100 pts. wt. propanol solution, 1-5 pts. wt. coupling agent, 2-8 pts. wt. catalyst, 5-9 pts. wt. inhibitors, 10-15 pts. wt. cross-linking agent, 15-20 pts. wt. antioxidants and 10-15 pts. wt. flame retardant. USE - As thermal conductive materials. ADVANTAGE - The thermal conductive materials effectively solves the problem that the main heat conduction mechanism of the current thermal conductive silica gel is through heat conduction, and the thermal conduction channels inside and outside the currently used thermal conductive silica gel are insufficient, resulting in poor thermal conductivity of the silica gel pad and limiting its application range. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a process for preparing the thermally conductive material comprising (a) passing the modified alumina particles into a drying box, and replacing with nitrogen 7-8 times after sealing, carrying out heating and drying again, the pressure of heating and drying is 1.5-2 MPa, and the temperature of heating and drying is 150-175 degrees Celsius, removing excess moisture to obtain the modified alumina particles after drying, (b) passing the dried modified alumina particles, methyl vinyl silicone oil and hydrogen-containing silicone oil into a mixer to mix evenly, after stirring and mixing, passing it to the vacuum kneader for primary kneading, after the primary kneading is completed, passing the coupling agent, catalyst, inhibitor, crosslinking agent, antioxidant and flame retardant to the vacuum kneader for secondary kneading, placing the mixture obtained after the second kneading in a vacuum machine for vacuuming, and the vacuum treatment time is 0.5-1.5 hours, extracting the air bubbles in the mixture completely to obtain a mixed base material, and passing the mixed base material into a calender for calendering and subjecting to high-temperature vulcanization molding, and obtaining the basic gasket by processing, (c) passing the graphene fiber powder, hydrogen-containing silicone oil, propanol solution, catalyst, inhibitor and coupling agent to the planetary mixer for low-speed stirring at 1050-1250 rpm for 90-100 minutes at 30-35degrees Celsius, after the graphene fiber powder is completely dispersed uniformly, obtaining a graphene fiber dispersion, (d) brushing the graphene fiber dispersion on the outer wall of the base gasket, and heating until the propanol solution is completely volatilized, so that the graphene fibers are regularly arranged on the surface of the base gasket, adsorbing the coupling agent on the surface of the graphene fiber undergoes a crosslinking reaction with the unsaturated groups and hydrogen-containing silicone oil in the basic gasket, firmly attaching the graphene fiber layer to the surface of the base gasket, and the above operation is repeated 10-15 times, vulcanizing the basic gasket attached with the graphene fiber layer by hot air and cooling to obtain the product.