▎ 摘　　要

NOVELTY - Graphene/boron nitride/metal fiber/polyamide compound comprises 100 pts. wt. polyamide , 5-30 pts. wt. graphene, 5-20 pts. wt. boron nitride, 10-30 pts. wt. polyhydroxy hyperbranched polyamide, 5-25 pts. wt. metal fiber. USE - Graphene/boron nitride/metal fiber/polyamide compound for preparing heat-conducting plastic for high-power LED lamps. ADVANTAGE - The graphene/boron nitride/metal fiber/polyamide compound has excellent thermal conductivity, the thermal conductivity reaches 5-15.6 W / m.k, has excellent mechanical and abrasion resistance, tensile strength is higher than 65MPa, impact strength is higher than 86KJ / m2, which can meet the requirements for the use of thermally conductive plastics for high-power LED lamps. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene/boron nitride/metal fiber/polyamide compound, which involves: (A) weighing diethanolamine and succinic anhydride in a mass ratio of 1: 1, placing them in a reactor, and adding N, N-dimethylformamide to dissolve; (B) adding graphene and boron nitride in proportion and magnetically stirring for 0.5-1.5h; and (C) adding the catalyst p-toluenesulfonic acid and heating and graphene / boron nitride / polyhydroxy hyperbranched polyamide polymer is obtained through reaction separation.