JPS5643416A - Production of hollow fiber - Google Patents
Production of hollow fiberInfo
- Publication number
- JPS5643416A JPS5643416A JP11758379A JP11758379A JPS5643416A JP S5643416 A JPS5643416 A JP S5643416A JP 11758379 A JP11758379 A JP 11758379A JP 11758379 A JP11758379 A JP 11758379A JP S5643416 A JPS5643416 A JP S5643416A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- mixed solvent
- acetone
- hollow fiber
- aliphatic hydrocarbon
- 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 obtain a hollow fiber having a very smooth inner surface of the hollow without the great deterioration in ultrafiltration ratio, by using a cellulose ester solution in a mixed solvent of acetone with a specific substance as a spinning solution and an aliphatic hydrocarbon as a core liquid.
CONSTITUTION: A cellulose ester is dissolved in a mixed solvent of (A) acetone with (B) a substance, e.g. dimethyl suloxide or formamide, having a dipole moemnt ≥3.0 to from a spinning solution, which is then extruded through an annular slit into a filamentary material. A liquid aliphatic hydrocarbon, e.g. n-heptane, as a core liquid is simultaneously introduced into the inner hollow part of the filamentary material. The content of the component (B) in the mixed solvent is 10wt% or more.
EFFECT: With a high anticoagulant preperty and scarcely causing clogging even on using a liquid containing albumin as a liquid to be treated.
USE: Hemodialysis and hemofiltration.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11758379A JPS5643416A (en) | 1979-09-13 | 1979-09-13 | Production of hollow fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11758379A JPS5643416A (en) | 1979-09-13 | 1979-09-13 | Production of hollow fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5643416A true JPS5643416A (en) | 1981-04-22 |
Family
ID=14715405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11758379A Pending JPS5643416A (en) | 1979-09-13 | 1979-09-13 | Production of hollow fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643416A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58144109A (en) * | 1982-02-17 | 1983-08-27 | Toyobo Co Ltd | Production of cellulose ester hollow fiber membrane |
JPS61239016A (en) * | 1985-04-17 | 1986-10-24 | Teijin Ltd | Production of ultrafine fiber |
CN110172746A (en) * | 2019-05-30 | 2019-08-27 | 当阳市鸿阳新材料科技有限公司 | A kind of method that novel dissolvent dissolution cellulose prepares Lyocell fibers |
-
1979
- 1979-09-13 JP JP11758379A patent/JPS5643416A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58144109A (en) * | 1982-02-17 | 1983-08-27 | Toyobo Co Ltd | Production of cellulose ester hollow fiber membrane |
JPS61239016A (en) * | 1985-04-17 | 1986-10-24 | Teijin Ltd | Production of ultrafine fiber |
JPH049206B2 (en) * | 1985-04-17 | 1992-02-19 | ||
CN110172746A (en) * | 2019-05-30 | 2019-08-27 | 当阳市鸿阳新材料科技有限公司 | A kind of method that novel dissolvent dissolution cellulose prepares Lyocell fibers |
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