The present invention concerns a thermoplastic polyester resin composition comprising a thermoplastic polyester and a metal salt of a certain substituted phenol as the essential ingredient, having high crystallization rate, excellent moldability upon using a mold at low temperature, less molecular weight reduction during production and molding of the resin composition, and satisfactory melt degradation stability and hydrolysis resistance.
本发明涉及一种热塑性聚酯
树脂组合物,该组合物由热塑性聚酯和作为主要成分的某种取代
酚的
金属盐组成,具有较高的结晶率,在低温下使用模具时具有优异的成型性,在
树脂组合物的生产和成型过程中分子量减少较少,以及令人满意的熔融降解稳定性和耐
水解性。