▎ 摘　　要

NOVELTY - A silicon nitride nanopowder and graphene-modified filled polyamide 6/acrylonitrile butadiene styrene composite thermal conductivity plastic contains polyamide 6 masterbatch, acrylonitrile butadiene styrene masterbatch, polyethylene-maleic anhydride copolymer, triphenyl phosphite, zirconium oxide nanopowder, aluminum phosphate, graphene, silicon nitride nanopowder, pentaerythritol tetra-( beta -(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate), silane coupling agent, and zinc stearate. USE - Silicon nitride nanopowder and graphene-modified filled polyamide 6/acrylonitrile butadiene styrene composite thermal conductivity plastic is useful in LED heat dissipation applications. ADVANTAGE - The silicon nitride nanopowder and graphene-modified filled polyamide 6/acrylonitrile butadiene styrene composite plastic has excellent thermal conductivity, durability, plasticity and stability. DETAILED DESCRIPTION - A silicon nitride nanopowder and graphene-modified filled polyamide 6/acrylonitrile butadiene styrene composite thermal conductivity plastic contains 50-60 pts. wt. polyamide 6 masterbatch, 20-25 pts. wt. acrylonitrile butadiene styrene masterbatch, 8-10 pts. wt. polyethylene-maleic anhydride copolymer, 0.2-0.3 pt. wt. triphenyl phosphite, 5-6 pts. wt. zirconium oxide nanopowder, 0.2-0.3 pt. wt. aluminum phosphate, 4-6 pts. wt. graphene, 23-26 pts. wt. silicon nitride nanopowder, 0.1-0.2 pt. wt. pentaerythritol tetra-( beta -(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate), 1-2 pts. wt. silane coupling agent, and 1-1.5 pts. wt. zinc stearate. An INDEPENDENT CLAIM is included for preparation of silicon nitride nanopowder and graphene-modified filled polyamide 6/acrylonitrile butadiene styrene composite thermal conductivity plastic.