| 摘要 |
PURPOSE:The titled hollow fiber that is composed of regenerated cellulosic fibers made through the viscose rayon process and has the skin layer of a specific thickness as the outer wall, the core layer as the inner wall and the running-through hollow part, thus showing good mechanical properties, high dimensional stability and excellent membrane permeation performance. CONSTITUTION:The objective hollow fiber is composed of a thin skin layer less than 1mu thick as the outer wall, a core layer as the inner wall and a running-through hollow part, and is made from regenerated cellulose through the viscose rayon process. When the outer diameter of the hollow fiber is represented as amu, the wall thickness as bmu, a and b preferably satisfy following equations: 50<=a<=500, and 1.33X10<-2>a+2.33<=b<=6.67X10<2>a+6.67<=30.
|
