POLYTRIMETHYLENE TEREPHTHALATE RESIN, METHOD FOR PRODUCING THE SAME AND FIBER PRODUCED THEREFROM

摘要

PROBLEM TO BE SOLVED: To obtain a polytrimethylene terephthalate resin improved in productivity and expressing excellent characteristics such as increase in evenness of a raw yarn, evenness of physical properties of and provide a method for producing the same and a fiber produced therefrom. SOLUTION: The polytrimethylene terephthalate has≥20,000 number average molecular weight and 1.3-2.7 polydispersity index expressing dispersity of the molecular weight. COPYRIGHT: (C)2005,JPO&NCIPI