▎ 摘　　要

NOVELTY - Carbon fiber thermal-conducting phase-change composite material comprises thermal-conducting layer and thermal conducting phase change layer arranged on both sides of the thermal conduction layer. The thermal conducting layer comprises 100-700 pts. wt. carbon fiber, 150-1700 pts. wt. thermal conducting powder, 50-120 pts. wt. silicone oil, 0.3-2 pts. wt. coupling agent, 1-4 pts. wt. curing agent, 0.1-1 pt. wt. inhibitor and 1-4 pts. wt. catalyst. The thermal conducting phase change layer comprises 170-190 pts. wt. aluminum powder, 2-20 pts. wt. zinc oxide, 1-8 pts. wt. coupling agent, 2-10 pts. wt. phase change material and 2-5 pts. wt. antioxidant. The thermal conducting phase change layer is located on both sides of the thermal conductivity layer and axis of thermal fiber. USE - The carbon fiber thermal-conducting phase-change composite material is useful for thermal interface materials field. ADVANTAGE - The carbon fiber thermal-conducting phase-change composite material: ensures thermal interface materials, which reduces the contact thermal resistance of carbon fiber thermal conducting phase-change composite material at the contact interface of a heat generating device and heat dissipating device, and can achieve more efficient thermal conduction effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of carbon fiber thermal-conducting phase-change composite material, comprises (1) mixing carbon fiber, thermal conducting powder, silicone oil, coupling agent, curing agent and inhibitor to obtain mixed solution, adding catalyst into mixed solution, continuously mixing to obtain carbon fiber mixed base material, (2) vacuumizing the carbon fiber mixed base material, extruding and arranging the carbon fiber mixed base material in the mold through an automatic dispenser and curing to obtain the thermal conducting silica gel blank, (3) cutting the thermal conducting silica gel blank into certain thickness to obtain thermal conductivity layer, where the cutting direction is vertical to the extruding direction of the thermal conducting silica gel blank, (4) mixing aluminum powder, zinc oxide, coupling agent, phase change material and antioxidant to obtain mixed phase change material, rolling the mixed phase change material to specified thickness to obtain thermal conductivity phase change layer, and (5) taking silica gel processing agent to process the surface of the thermal conductivity layer and hot pressing the thermal conductivity layer and the thermal conductivity phase change layer to obtain final product.