Patent ID: 9714340
Date: 2017-07-25
CPC Classifications: C08K,C08L

Claim:
1. A halogen-free flame retardant polybutylene terephthalate resin composition comprising: 5 to 80 parts by weight of a phosphorus flame retardant (B) having a polyester structure in a main chain; 20 to 120 parts by weight of a nitrogen compound (C); 1 to 50 parts by weight of talc (D); 0.1 to 2 parts by weight of an anti-dripping agent (E); and 1 to 40 parts by weight of an acrylonitrile-styrene resin, respectively based on 100 parts by weight of a polybutylene terephthalate resin (A), wherein the composition exhibits a comparative tracking index of 400 V or higher in a tracking resistance test in accordance with IEC60112.