The fire-resistant polymer constituent null which contains the poly butylene terephthalate and aromatic polycarbonate or the poly ether imido

摘要

The invention relates to a polymer composition, containing (1) a blend of a polybutylene terephtalate and an aromatic polycarbonate or of a polybutylene terephtalate and a polyetherimide (2) at least one flame retardant agent with formula (I) wherein n has an average value of 0.5-4, m is 0 or 1, and the phenyl nuclei may be substituted with lower alkyl or alkyl groups.