JPS5626003A - Production of regenerated hollow cellulose fiber - Google Patents
Production of regenerated hollow cellulose fiberInfo
- Publication number
- JPS5626003A JPS5626003A JP9723079A JP9723079A JPS5626003A JP S5626003 A JPS5626003 A JP S5626003A JP 9723079 A JP9723079 A JP 9723079A JP 9723079 A JP9723079 A JP 9723079A JP S5626003 A JPS5626003 A JP S5626003A
- Authority
- JP
- Japan
- Prior art keywords
- cellulose esters
- solution
- fiber
- fed
- feed inlet
- 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 the titled hollow fiber for dialysis and ultrafiltration, having a high tensile strength free from macrovoids, pinholes and impurities, by spinning a solution of plural types of cellulose esters having different properties through a spinneret having a double pipe structure.
CONSTITUTION: Plural types of cellulose esters, e.g. a combination of cellulose esters with different ester groups and combined acetic acid contents (acetyl contents), having different properties are dissolved in a nonvolatile organic solvent, e.g. DMF, to form a 15W30wt% spinning solution. The solution is then fed from a feed inlet 1 to an outlet path 6 and extruded with a liquid core agent which is fed from an feed inlet 2 to an introductory path 5 into an aqueous bath continuously. The coagulated fiber is drawn or treated with hot water if necessary, hydrolyzed with an alkali and regenerated as a hollow cellulose fiber. The core agent is removed in the stage stage of forming into a product or in use.
EFFECT: The uniform and round cross-sectional shape provides easy handling.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9723079A JPS5626003A (en) | 1979-08-01 | 1979-08-01 | Production of regenerated hollow cellulose fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9723079A JPS5626003A (en) | 1979-08-01 | 1979-08-01 | Production of regenerated hollow cellulose fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5626003A true JPS5626003A (en) | 1981-03-13 |
Family
ID=14186816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9723079A Pending JPS5626003A (en) | 1979-08-01 | 1979-08-01 | Production of regenerated hollow cellulose fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5626003A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5742918A (en) * | 1980-08-29 | 1982-03-10 | Mitsubishi Rayon Co Ltd | Hollow cellulosic derivative fiber |
GB2318760B (en) * | 1995-09-14 | 2000-05-17 | Secr Defence | Hollow fibres and method of manufacture therefor |
JP2013039530A (en) * | 2011-08-17 | 2013-02-28 | Toray Ind Inc | Polyacetal-based porous hollow fiber membrane and method for manufacturing the same |
-
1979
- 1979-08-01 JP JP9723079A patent/JPS5626003A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5742918A (en) * | 1980-08-29 | 1982-03-10 | Mitsubishi Rayon Co Ltd | Hollow cellulosic derivative fiber |
JPH0120245B2 (en) * | 1980-08-29 | 1989-04-14 | Mitsubishi Rayon Co | |
GB2318760B (en) * | 1995-09-14 | 2000-05-17 | Secr Defence | Hollow fibres and method of manufacture therefor |
JP2013039530A (en) * | 2011-08-17 | 2013-02-28 | Toray Ind Inc | Polyacetal-based porous hollow fiber membrane and method for manufacturing the same |
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