公开(公告)号：US20190118144A1

公开(公告)日：2019-04-25

申请号：US16091918

申请日：2017-04-13

Applicant: ASTOM Corporation

Inventor： Masayuki KISHINO ,  Kouta YUZUKI ,  Kenji FUKUTA

IPC: B01D61/44 ,  B01J47/12 ,  B01J39/04 ,  B01J39/20 ,  B01J41/04 ,  B01J41/14 ,  C08J5/22 ,  B01D61/46 ,  B01D69/02 ,  B01D69/12 ,  B01D71/28

Abstract: A bipolar membrane in which a cation-exchange membrane and an anion-exchange membrane are joined to each other, wherein a leakage ratio of gluconic acid at 60° C. is not more than 1.0%, and the cation-exchange membrane is supported by a polyolefin reinforcing member and, further, contains a polyvinyl chloride.

公开(公告)号：US20230067288A1

公开(公告)日：2023-03-02

申请号：US17982998

申请日：2022-11-08

Applicant: ASTOM Corporation

Inventor： Masayuki KISHINO ,  Kouta YUZUKI ,  Kenji FUKUTA

IPC: B01D61/44 ,  B01J47/12 ,  B01D61/46 ,  C08J5/22 ,  C25B13/02 ,  C25B13/08 ,  B01D69/02 ,  B01D69/12 ,  B01D71/28 ,  B01J39/04 ,  B01J39/20 ,  B01J41/04 ,  B01J41/14

Abstract: A bipolar membrane in which a cation-exchange membrane and an anion-exchange membrane are joined to each other, wherein a leakage ratio of gluconic acid at 60° C. is not more than 1.0%, and the cation-exchange membrane is supported by a polyolefin reinforcing member and, further, contains a polyvinyl chloride.