Patent ID: 8314167

Claim:
A flame-retardant thermoplastic resin composition comprising components (A), (B), and (C) mixed with at least one thermoplastic resin selected from the group consisting of polypropylene, high-density polyethylene, low-density polyethylene, straight chain low-density polyethylene, polybutene, poly-3-methylpentene, ethylene-vinyl acetate copolymer and ethylene-propylene copolymer: wherein component (A) is 0.1-40 mass parts of melamine polyphosphate compound represented by formula (1); component (B) is 0.1-50 mass parts of piperazine polyphosphate compound represented by formula (3); and component (C) is 0.01-10 mass parts of a polycarbodiimide, respectively, relative to 100 mass parts of the thermoplastic resin; wherein n is a number 2˜100, X 1 is melamine, P is a number satisfying a relational formula 0<P≦n+2; wherein r is a number of 2˜100, Y 1 is piperazine, and q is a number satisfying a relational formula 0<q≦r+2.