MANUFACTURING METHOD OF POLYESTER

摘要

PROBLEM TO BE SOLVED: To provide an industrially advantageous and efficient manufacturing method of a polyester that realizes an aimed molecular weight. SOLUTION: The polyester is manufactured by a reaction of a dicarboxylic acid with a diol in the presence of at least 0.001 ppm and at most 10 ppm of a sulfur atom. COPYRIGHT: (C)2007,JPO&INPIT