Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cosmo Oil Co Ltd
Tosoh Corp
Cosmo Co Ltd
Original Assignee
Maruzen Oil Co Ltd
Cosmo Co Ltd
Toyo Soda Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maruzen Oil Co Ltd, Cosmo Co Ltd, Toyo Soda Manufacturing Co LtdfiledCriticalMaruzen Oil Co Ltd
Priority to JP1082576ApriorityCriticalpatent/JPS5294885A/en
Publication of JPS5294885ApublicationCriticalpatent/JPS5294885A/en
Manufacture Of Macromolecular Shaped Articles
(AREA)
Abstract
PURPOSE: To obtain a durable cation exchange membrane which can prevent permeation of OH-by introducing phenolic OH group into a perfluorocarbon polymer containing sulfonic acid or sulfonic acid group.
COPYRIGHT: (C)1977,JPO&Japio
JP1082576A1976-02-051976-02-05Cation exchange membrane and production
PendingJPS5294885A
(en)