MELT VISCOSITY DECREASING AGENT FOR POLYESTER RESIN, POLYESTER RESIN COMPOSITION CONTAINING THE SAME, MOLDED ARTICLE OBTAINED FROM THE RESIN COMPOSITION, AND METHOD FOR DECREASING MELT VISCOSITY

摘要

PROBLEM TO BE SOLVED: To provide a melt viscosity decreasing agent for a polyester resin that can decrease the melt viscosity of a polyester resin without reducing the molecular weight of the polyester resin, to provide a polyester resin composition, a polyester resin molded article and a polyester fiber containing the melt viscosity decreasing agent, and to provide a method for decreasing the melt viscosity of the polyester resin compositions.;SOLUTION: A specified amid compound can decrease the melt viscosity of a polyester resin without reducing a molecular weight of the polyester resin.;COPYRIGHT: (C)2006,JPO&NCIPI