JPS56159317A - Removal of impurity of alkali metal and alkaline earth metal from oxidized polyacrilonitrile material - Google Patents
Removal of impurity of alkali metal and alkaline earth metal from oxidized polyacrilonitrile materialInfo
- Publication number
- JPS56159317A JPS56159317A JP5445581A JP5445581A JPS56159317A JP S56159317 A JPS56159317 A JP S56159317A JP 5445581 A JP5445581 A JP 5445581A JP 5445581 A JP5445581 A JP 5445581A JP S56159317 A JPS56159317 A JP S56159317A
- Authority
- JP
- Japan
- Prior art keywords
- polyacrilonitrile
- oxidized
- impurity
- removal
- alkaline earth
- 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
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Inorganic Fibers (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/140,257 US4388289A (en) | 1977-05-26 | 1980-04-14 | Method of removing alkali and alkaline earth metal impurities from oxidized pan material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56159317A true JPS56159317A (en) | 1981-12-08 |
Family
ID=22490436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5445581A Pending JPS56159317A (en) | 1980-04-14 | 1981-04-13 | Removal of impurity of alkali metal and alkaline earth metal from oxidized polyacrilonitrile material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56159317A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687911A (en) * | 1992-09-07 | 1994-03-29 | Mitsubishi Rayon Co Ltd | Device for purifying polymer solution by ion exchange and method for purifying the same |
JPH06100617A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification apparatus and method of purifying polymer solution |
JPH06100615A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification system and method of purifying polymer solution |
JPH06100616A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification apparatus and method of purifying polymer solution |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53146294A (en) * | 1977-05-26 | 1978-12-20 | Hitco | Method of removing alkali metal and alkaline earth metal impurities from carbonacious materials |
-
1981
- 1981-04-13 JP JP5445581A patent/JPS56159317A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53146294A (en) * | 1977-05-26 | 1978-12-20 | Hitco | Method of removing alkali metal and alkaline earth metal impurities from carbonacious materials |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687911A (en) * | 1992-09-07 | 1994-03-29 | Mitsubishi Rayon Co Ltd | Device for purifying polymer solution by ion exchange and method for purifying the same |
JPH06100617A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification apparatus and method of purifying polymer solution |
JPH06100615A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification system and method of purifying polymer solution |
JPH06100616A (en) * | 1992-09-16 | 1994-04-12 | Mitsubishi Rayon Co Ltd | Ion-exchange purification apparatus and method of purifying polymer solution |
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