▎ 摘　　要

NOVELTY - A processing of high thermal conductivity nano composite material involves using complexing product of medium particle artificial diamond powder with particle size of 60-70 nm, large particle artificial diamond powder with particle size of 120-150 nm, silver powder with particle size of 16-20 nm, hydrogen iodide (HI) solution, and pure aluminum block with purity of more than 99.98%, graphene powder, curing agent of thermosetting resin for curing component and metal oxide. USE - Processing of high thermal conductivity nano composite material for refrigeration. ADVANTAGE - The curing component is used as curing agent for thermosetting resin, and acts as interface modifier to make the thermally conductive composite material have excellent interface compatibility and improve the thermal conductivity of the thermally conductive composite material. The coating film composition silver has high thermal conductivity, and the graphene distributed in it is the high thermal conductivity channel, and the large and small particle diamond powder can reduce the porosity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for processing of high thermal conductivity nano composite material, which involves (S1) reacting curing agent with metal oxide to obtain reaction product containing curing component, (S2) drying the reaction product to obtain cured component, (S3) mixing medium particle artificial diamond powder, silver powder and graphene powder, adding HI solution to react, drying and exposing to obtain medium-grain artificial diamond powder with silver/graphene on the surface, (S4) mixing large-particle artificial diamond powder, silver powder and graphene powder, adding HI solution to react, adding curing component, drying and exposing to obtain large-particle artificial diamond powder with silver/graphene on the surface, (S5) pressing and molding the artificial diamond powder to obtain diamond powder framework, (S6) placing pure aluminum block in the diamond powder framework for heating and infiltration, cooling to obtain semi-finished product, and (S7) aging.