公开(公告)号：US20150298067A1

公开(公告)日：2015-10-22

申请号：US14380551

申请日：2013-03-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jae Hee RYU ,  Yong-Cheol SHIN ,  Jae Hun LEE

IPC: B01D71/34 ,  B01D67/00 ,  B01D63/06 ,  B01D71/02

CPC classification number: B01D71/34 ,  B01D63/06 ,  B01D67/0016 ,  B01D67/0079 ,  B01D69/02 ,  B01D69/087 ,  B01D69/148 ,  B01D71/028 ,  B01D2325/02 ,  B01D2325/20 ,  B01D2325/24

Abstract: Disclosed are a porous membrane having improved water permeability and elongation at break as well as high mechanical strength and impurity rejection rate and a method for manufacturing the same. The porous membrane of the present invention comprises a symmetric bead structure comprising a plurality of spherical crystallites. Each of the plurality of spherical crystallites comprises a plurality of sub-spherical crystallites.

Abstract translation: 公开了具有改善的透水性和断裂伸长率以及高机械强度和杂质排除率的多孔膜及其制造方法。 本发明的多孔膜包括包含多个球形微晶的对称珠粒结构。 多个球形微晶中的每一个都包括多个亚球形微晶。