公开(公告)号：US20210229048A1

公开(公告)日：2021-07-29

申请号：US17050812

申请日：2019-05-02

Applicant: NITTO DENKO CORPORATION

Inventor： Shijun Zheng ,  Lin Weiping ,  Peng Wang ,  Isamu Kitahara ,  Bita Bagge ,  John Ericson

IPC: B01D71/02 ,  B01D69/12 ,  B01D71/52 ,  B01D71/40

Abstract: Described herein is a composite comprising a graphene material and a sulfonated polymer material. The graphene/sulfonated polymer composite is coated onto a substrate to provide a selectively permeable membrane. The selectively permeable membranes of the present disclosure provide high moisture permeability and low gas permeability.