改性PAN中空纤维原丝的研制  

Preparation of Modified PAN Hollow Fiber as Flat Yarn for Carbon Fiber

作　　者：何春菊[1] 孙俊芬[1] 吴光香[1] 赵有中[1] 王庆瑞[1] 

机构地区：[1]东华大学纤维材料改性国家重点实验室,上海200051

出　　处：《东华大学学报（自然科学版）》2006年第1期11-14,共4页Journal of Donghua University(Natural Science)

摘　　要：探讨了不同制膜条件对所制改性聚丙烯腈中空纤维膜结构、性能的影响。研究结果表明,在一定范围内随干纺程长度的增加,中空纤维膜的水通量下降,截留率上升。随着纺丝液中总固含量的增加,中空纤维膜的孔隙率、水通量均下降。随着纺丝液温度的上升和填充液的压力增加,中空纤维膜的水通量上升。随着凝固浴中DMSO含量的增加,中空纤维膜的水通量呈现最小值,截留率达到最大值。在所研究的凝固浴温度范围内,在30°时截留率达到极大值,水通量则呈单调增加趋势。The influence of different membrane forming conditions on the properties and structure of modified PAN hollow fiber is discussed. Water flux decreases and retention increases with increasing dryjet distance. Water flux and void content decreases with increasing polymer content in the spinning solution. Water flux increases with increasing temperature of the casting solution and the pressure of the filling solution. Water flux gets a minimum and retention gets a maximum with increasing coagulation concentration.

关 键 词：改性聚丙烯腈 中空纤堆 膜 

分 类 号：TQ028.8[化学工程]