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 material

Info

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
Application number
JP5445581A
Other languages
Japanese (ja)
Inventor
Don Shiepaado Garii
Buranko Reemon
Richiyaado Ruuru Ian
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.)
BP Chemicals Hitco Inc
Original Assignee
BP Chemicals Hitco Inc
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
Priority claimed from US06/140,257 external-priority patent/US4388289A/en
Application filed by BP Chemicals Hitco Inc filed Critical BP Chemicals Hitco Inc
Publication of JPS56159317A publication Critical patent/JPS56159317A/en
Pending legal-status Critical Current

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)
JP5445581A 1980-04-14 1981-04-13 Removal of impurity of alkali metal and alkaline earth metal from oxidized polyacrilonitrile material Pending JPS56159317A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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