Title:
PRODUCTION OF POLYESTER
Document Type and Number:
Japanese Patent JPS53127593
Kind Code:
A
Abstract:
PURPOSE: The polymerization of bis (hydroxyethyl) terephthalate is effected until a specified intrinsic viscosity, and further it is continued in the presence of diphenyl carbonate to produce polyester with high quality as garment in high productivity.
Inventors:
IWATA HIROSHI
KAWASHIMA MASAO
KAWASHIMA MASAO
Application Number:
JP4299177A
Publication Date:
November 07, 1978
Filing Date:
April 14, 1977
Export Citation:
Assignee:
MITSUBISHI RAYON CO
International Classes:
C08G63/00; C08G63/78; (IPC1-7): C08G63/22