JPS57210010A - Production of porous hollow fiber membrane - Google Patents

Production of porous hollow fiber membrane

Info

Publication number
JPS57210010A
JPS57210010A JP9372381A JP9372381A JPS57210010A JP S57210010 A JPS57210010 A JP S57210010A JP 9372381 A JP9372381 A JP 9372381A JP 9372381 A JP9372381 A JP 9372381A JP S57210010 A JPS57210010 A JP S57210010A
Authority
JP
Japan
Prior art keywords
hollow fiber
calcium carbonate
fiber membrane
porous hollow
production
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
JP9372381A
Other languages
Japanese (ja)
Inventor
Eiichi Murakami
Ryozo Hasegawa
Kimihiko Matsuzawa
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP9372381A priority Critical patent/JPS57210010A/en
Publication of JPS57210010A publication Critical patent/JPS57210010A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: The spinning material composed of cellulose acetate and calcium carbonate is made into fiber and the calcium carbonate is removed by extraction to produce the titled porous hollow fiber membrane that is suitable to plasmapheresis and applicable to disease treatment and production of blood preparations.
CONSTITUTION: Cellulose acetate of 50W62% acetylation degree and 80W400 polymerization degree and another polymer such as polymethacrylic acid are dissolved in a solvent to form a solution of 10W20wt% concentration. Calcium carbonate, preferably its fine powder of less than 1 micron average particle size is added to the above solution by 30W200%, based on the total polymers and the resultant dope is made into hollow fiber by the wet method. Then, the calcium carbonate is removed by dipping the hollow fiber in a 1W10% hydrochloric acid solution to give the objective porous hollow fiber membrane.
COPYRIGHT: (C)1982,JPO&Japio
JP9372381A 1981-06-19 1981-06-19 Production of porous hollow fiber membrane Pending JPS57210010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9372381A JPS57210010A (en) 1981-06-19 1981-06-19 Production of porous hollow fiber membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9372381A JPS57210010A (en) 1981-06-19 1981-06-19 Production of porous hollow fiber membrane

Publications (1)

Publication Number Publication Date
JPS57210010A true JPS57210010A (en) 1982-12-23

Family

ID=14090326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9372381A Pending JPS57210010A (en) 1981-06-19 1981-06-19 Production of porous hollow fiber membrane

Country Status (1)

Country Link
JP (1) JPS57210010A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60806A (en) * 1983-06-17 1985-01-05 Teijin Ltd Manufacture of plasma albumin permeable hollow yarn membrane
JPS63278503A (en) * 1987-05-08 1988-11-16 Kanegafuchi Chem Ind Co Ltd Filtering adsorption material and its usage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60806A (en) * 1983-06-17 1985-01-05 Teijin Ltd Manufacture of plasma albumin permeable hollow yarn membrane
JPH0318492B2 (en) * 1983-06-17 1991-03-12 Teijin Ltd
JPS63278503A (en) * 1987-05-08 1988-11-16 Kanegafuchi Chem Ind Co Ltd Filtering adsorption material and its usage

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