公开(公告)号：US20210245110A1

公开(公告)日：2021-08-12

申请号：US17254139

申请日：2019-06-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Wolfgang Ansorge ,  Niklas M. Matzeit ,  Sven Frost ,  Ingmar Leismann

IPC: B01D67/00 ,  C08F283/00 ,  B01D71/68 ,  B01D71/40 ,  B01D69/02 ,  B01D69/06

Abstract: The present disclosure is related to a polymeric membrane having a first surface and a second surface and a wall extending between the first and second surface, the membrane comprising pores on the first and second surfaces and throughout the wall, the membrane comprising a modified surface, the modified surface comprising acrylate and/or methacrylate polymers and/or copolymers, wherein the modified surface extends at least over the first and/or the second surface, and over the pores of at least 50% of the thickness of the wall. Furthermore, the present disclosure provides a method for producing such a membrane as well as a use of the membranes as disclosed herein for purification of aqueous media such as in biopharmaceutical applications.