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1. (WO2017022569) POLY(ETHYLENE TEREPHTHALATE) FIBER AND POLYESTER RESIN

Pub. No.:    WO/2017/022569    International Application No.:    PCT/JP2016/071873
Publication Date: Fri Feb 10 00:59:59 CET 2017 International Filing Date: Wed Jul 27 01:59:59 CEST 2016
IPC: D01F 6/86
C08G 63/66
Applicants: TORAY INDUSTRIES, INC.
東レ株式会社
Inventors: MAKINO, Masataka
牧野正孝
HAMANAKA, Shogo
▲はま▼中省吾
TANAKA, Yoichiro
田中陽一郎
YASUTAKE, Eri
安竹恵理
YAMASHITA, Kohei
山下浩平
SATO, Yuka
佐藤友香
KATO, Koya
加藤公哉
Title: POLY(ETHYLENE TEREPHTHALATE) FIBER AND POLYESTER RESIN
Abstract:
The present invention provides a polyester resin and poly(ethylene terephthalate) fiber having excellent hygroscopic properties. The present invention is a poly(ethylene terephthalate) fiber that contains a terminally modified polyester resin (I) obtained by copolymerizing a terminally capped poly(alkylene oxide) compound represented by formula (1) at a quantity of 5-19 mass% relative to the overall polymer. (In formula (1), R is at least one type of alkylene group having 1-12 carbon atoms, n is an integer between 90 and 460, and X is at least one type of group selected from among alkyl groups having 1-30 carbon atoms and aryl groups having 6-20 carbon atoms.)