Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA,and by spinning process with gelation method.

• 以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混,通过冻胶法纺丝工艺制备成中空纤维纳滤膜。