The results showed that the crystallinity and elastic recovery(ER%) of PE hollow fibers,and the pore size of the PE membrane all increased with the spin-draw ratio.

• 研究结果表明PE中空纤维的结晶度和弹性回复率(ER,%25)随纺丝牵伸比的增加而增大,且随着纺丝牵伸比的增大,PE中空纤维膜的微孔结构也增大;