Disclosed is a hollow fiber that includes a hollow positioned at the center of the hollow fiber, macropores positioned at adjacent to the hollow, and mesopores and picopores positioned at adjacent to macropores, and the picopores are three dimensionally connected to each other to form a three dimensional network structure. The hollow fiber includes a polymer derived from polyimide, and the polyimide includes a repeating unit obtained from aromatic diamine including at least one ortho-positioned functional group with respect to an amine group and dianhydride.
本发明公开了一种中空纤维,该纤维包括位于中空纤维中心的中空、位于中空相邻位置的大孔、以及位于大孔相邻位置的中孔和微孔,微孔彼此三维连接以形成三维网络结构。中空纤维包括由聚
酰亚胺衍生的聚合物,聚
酰亚胺包括由芳香族二胺衍生的重复单元,芳香族二胺包括至少一个与胺基和二酸酐正交定位的官能团。