公开(公告)号：EP1462154A4

公开(公告)日：2006-03-15

申请号：EP02790705

申请日：2002-12-09

Applicant: TORAY INDUSTRIES

Inventor： ODAKA YOSHIFUMI ,  NAKAMATSU OSAMU ,  KUMO ICHIRO

IPC: B01D63/10 ,  B01D69/10

CPC classification number: B01D69/10 ,  B01D63/10

Abstract: It is an object of the present invention to provide a separation membrane in which a film-forming solution can be prevented from reaching a rear surface of a porous support in a step of forming a film, the adhesion between a functional film for separation and the porous support is high, and the thickness can be reduced. In the present invention, the separation membrane includes a porous support having a rough rear surface and a'functional film for separation, and the functional film is disposed on a front surface of the porous support and extends into the porous support.

Abstract translation: 本发明提供一种分离膜，该分离膜能够防止膜制造液浓缩物在膜制造工序中到达多孔质支撑体的背面侧，提高分离功能膜与多孔质支撑体之间的密合性并减小厚度， 在具有粗糙后表面的多孔支撑体的前表面上形成多功能膜并延伸到多孔支撑体的内部。