Thermally conductive flame-retardant PET/PBT composite material and lamp holder body prepared therefrom

The invention relates to a thermally conductive flame-retardant PET/PBT composite material which comprises the following components by weight: 30%-40% of PET, 5%-10% of PBT, 0.5%-2% of shell-core type activated carbon intercalated graphene, 15%-30% of glass fibers, 15%-30% of a thermal conducting agent, 0.3%-0.8% of a lubricant, 3%-5% of a toughening agent, 2%-3% of a synergistic flame retardant, 7%-10% of a flame retardant and 0.3%-1% of a processing additive, wherein the shell-core type activated carbon intercalated graphene uses activated carbon intercalated graphene as a core layer and uses crosslinked structure polymer connected with the core layer in a covering manner as a shell layer; each structural layer contains the following components by weight: 10-50% of graphene, 10-45% of activated carbon and 5-47% of crosslinked structure polymer, wherein the crosslinked structure polymer is a polymer with a three-dimensional crosslinked network structure formed by initiating, polymerizing and crosslinking a p