Title:
DRYING METHOD OF POLYESTER RESIN, POLYESTER RESIN COMPOSITION USING THE SAME AND MANUFACTURING METHOD OF POLYESTER FILM
Document Type and Number:
Japanese Patent JP2018053242
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drying method of a polyester resin capable of preventing adhesion and fastening of a resin generated in a drying drum and drying a resin at good efficiency, a polyester resin composition using the same and a manufacturing method of a film.SOLUTION: There is provided a drying method of a polyester resin having a process heating the polyester resin with stirring by a dryer having a drying drum, a rotation axis rotatably fixed in the drying drum, and a stirring axis extending outside from the rotation axis and having a stirring wing on a tip, in which Y/X (min/t) is 30 to 80, where mass of the polyester resin input into the drying drum is X (t), time from inputting the polyester resin to the drying drum to discharging is Y (min.).SELECTED DRAWING: Figure 1
Inventors:
IMAI SHINGO
INUZUKA TOMOHITO
INOUE HIROYUKI
INUZUKA TOMOHITO
INOUE HIROYUKI
Application Number:
JP2017166840A
Publication Date:
April 05, 2018
Filing Date:
August 31, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
C08J5/18; F26B17/22; F26B25/00