1results about How to "Reduce hot spot temperature" patented technology

The present application relates to the technical field of composite materials, in particular to a high-thermal-conductivity polyaryletherketone composite material with a gradient thermal conduction path and a preparation method thereof, comprising the following steps: S1, thermal-conductivity filler prepreg preparation: mixing and uniformly dispersing flaky thermal-conductivity fillers and spherical thermal-conductivity fillers in a PAEK solution to form a suspension slurry, and then forming a thermal-conductivity filler prepreg through the suspension slurry; S2, stacking the PAEK film and the thermal-conductivity filler prepreg according to a gradient periodic layering to obtain a stack; S3, hot-pressing the stack to form the high-thermal-conductivity polyaryletherketone composite material with the gradient thermal conduction path; the gradient composite material of the present application has a small filler content ratio and still has high thermal conductivity, high insulation and strong interface bonding at a low filler content; the gradient composite material of the present application can effectively reduce the highest local temperature when coping with a non-uniform heat source, and is suitable for heat dissipation components of electronic components.