JPS55144031A - Improvement in cation-exchange membrane - Google Patents
Improvement in cation-exchange membraneInfo
- Publication number
- JPS55144031A JPS55144031A JP5323879A JP5323879A JPS55144031A JP S55144031 A JPS55144031 A JP S55144031A JP 5323879 A JP5323879 A JP 5323879A JP 5323879 A JP5323879 A JP 5323879A JP S55144031 A JPS55144031 A JP S55144031A
- Authority
- JP
- Japan
- Prior art keywords
- contg
- fluorine
- formula
- olefin
- cation
- Prior art date
- 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.)
- Pending
Links
Abstract
PURPOSE: To improve a cation-exchange membrane to enable electrolysis of NaCl at high current efficiency, by a method wherein 1,2-di-substd. olefin or cyclic olefin is added to a fluorine-contg. high-polymer membrane having a specified gp and then carboxyl gp. is introduced into the resulting adduct.
CONSTITUTION: In a process for the modification of a high-polymer membrane comprising adding (B) an olefin to (A) a fluorine-contg. high-polymer membrane having a radical of formula -CF2X (wherein X is SO2 Cl, Br, I) and then introducing carboxyl gp. into the resulting adduct, (a) 1,2-di-substd. olefin or (b) cyclic olefin as (B) component is used to obtain an electrolytic membrane for NaCl. Preferable substituents of (a) or (b) are those having fluorine-contg. alkyl and -CO-, -CONH-or-SO2O-. Cpd of (a) having gp. of formula I (wherein Rf is 1W15C fluorine-contg. alkyl) are preferred. Cpd of (b) having gp. of formula II (wherein R1 R2 are gp. of formula I) or III (wherein Rf, Rf' are 1W15C fluorine-contg. alkyl) are preferred.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5323879A JPS55144031A (en) | 1979-04-27 | 1979-04-27 | Improvement in cation-exchange membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5323879A JPS55144031A (en) | 1979-04-27 | 1979-04-27 | Improvement in cation-exchange membrane |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55144031A true JPS55144031A (en) | 1980-11-10 |
Family
ID=12937214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5323879A Pending JPS55144031A (en) | 1979-04-27 | 1979-04-27 | Improvement in cation-exchange membrane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55144031A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014534193A (en) * | 2011-10-11 | 2014-12-18 | ヘンケル ユーエス アイピー エルエルシー | Preparation of novel fluoro compounds, process for preparation, and compositions produced therefrom |
-
1979
- 1979-04-27 JP JP5323879A patent/JPS55144031A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014534193A (en) * | 2011-10-11 | 2014-12-18 | ヘンケル ユーエス アイピー エルエルシー | Preparation of novel fluoro compounds, process for preparation, and compositions produced therefrom |
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