Flame-retardant magnetic composite resin composition

摘要

A flame-retardant magnetic composite resin composition is provided which comprises 10 to 50% by weight of a binder resin mixture containing 100 parts by weight of a polyamide resin and suitable amounts of the following components (A) to (G), and 50 to 90% by weight of a magnetic powder of which the surface is treated with a surface-modifying agent. -(A) Phenol 0.01 to 2.0 parts by weight -(B) Thiophosphate compound 0.001 to 0.5 parts by weight -(C) Copper compound 0.0001 to 0.05 parts by - (based on copper weight - content) -(D) Bromine or nitrogen 10 to 30 parts by weight - containing flame- - retardant agent -(E) Flame-retardant 2.5 to 7.5 parts by weight - synergist - The composition of the present invention, which is endowed with a high heat resistance and significantly improved physical properties and processability, may also include 0.001 to 0.5 parts by weight of an alkali metal halogenide compound and 0.2 to 1.0 parts by weight of a lubricant.