公开(公告)号：US3765069A

公开(公告)日：1973-10-16

申请号：US3765069D

申请日：1971-09-16

Applicant: UNITIKA LTD

Inventor： FUJITA S ,  KIMURA H ,  MURAKAMI T ,  ARIMOTO H

IPC: D01D5/22 ,  D02J1/22

CPC classification number: D01D5/22

Abstract: The present invention relates to a process for producing low crimp polyethylene oxybenzoate (hereinafter designated as PEOB) yarns, and more particularly, multifilament yarns having natural silk-like beautiful appearance and excellent feelings which is characterized by heat treating a PEOB drawn yarn having a Beta value of from 20 to 80 and a shrinkage value in boiling water of from 20 to 35 percent under substantially no tension so as to decrease the Beta -value by more than 10.

Abstract translation: 本发明涉及一种生产低压聚乙烯氧苯甲酸酯（以下称为PEOB）纱线的方法，更具体地说，涉及具有天然丝状美丽外观和优异感觉的复丝纱线，其特征在于热处理具有β - 基本上无张力的20至80的沸点收缩值为20至35％，从而将β值降低10以上。