Twist-film gel spinning of large-diameter high-performance ultra-high molecular weight polyethylene monofilaments

被引：3
|
作者：
Fang, Xudong [1 ]
Shi, Jing [1 ]
Wyatt, Tom [1 ]
Yao, Donggang [1 ]
机构：
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
来源：
TEXTILE RESEARCH JOURNAL | 2017年 / 87卷 / 19期
关键词：
twist-film; gel spinning; ultra-high molecular weight polyethylene; fiber; high strength; MECHANICAL-PROPERTIES; HIGH-MODULUS; FIBERS; SOLVENT; CRYSTALLINITY; ORIENTATION; FILAMENTS; PHASES; TAPES;
D O I：
10.1177/0040517516669079
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
A twist-film gel spinning process was developed for large-diameter high-performance ultra-high molecular weight polyethylene (UHMWPE) monofilaments. By using polybutene as a spin-solvent, film twisting was demonstrated to be an effective method for solvent removal; approximately 70% of solvent contained in the gel film can be removed simply by film twisting. This mechanical solvent removal process also makes conventional solvent extraction proceed significantly faster. Besides improved solvent extraction efficiency, large-diameter high-strength UHMWPE monofilaments (with diameters of about 80 mu m and strength exceeding 3.2GPa) can be produced with this process, which is difficult to achieve using conventional processes. The capability of making large-diameter high-strength monofilaments may allow new products of UHMWPE to be developed in a number of high-performance applications.
引用
收藏
页码：2323 / 2336
页数：14
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