THERMOPLASTIC POLYESTER RESIN COMPOSITION FOR MOLDING

摘要

Thermoplastic polyester resin compsn. for moulding comprises: 45-70 wt.% of polybutylene terephthalate having 0.7-1.0 of intrinsic viscosity in 25≦̸C ortho chlorophenol solvent; 25-50 wt.% of glass fiber having 8-15 diameter, 3-6 mm fiber length, as first reinforcing material; 10-30 of mica having 15-100 microns flat diameter, surface treated by the cpds. of formula (I) and (II), as 2nd reinforcing material; and 0.5-5 wt.% of the admixture comprising 1:1:5= antioxidant: the cpd. of formula (III): the cpd. of formula (IV). In formulas, m= 2n; n= 3-5