JPS55137208A - Novel type of hollow fiber with fine pore - Google Patents
Novel type of hollow fiber with fine poreInfo
- Publication number
- JPS55137208A JPS55137208A JP4272279A JP4272279A JPS55137208A JP S55137208 A JPS55137208 A JP S55137208A JP 4272279 A JP4272279 A JP 4272279A JP 4272279 A JP4272279 A JP 4272279A JP S55137208 A JPS55137208 A JP S55137208A
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- hollow
- fiber
- polymer
- fibers
- 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
- Artificial Filaments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
PURPOSE: A polymer mixture containing a specific amount of different components is melt spun through nozzles for hollow fibers into fibers, which is drawn after anneaing to become porous, and further heat set to produce novel title hollow fibers with high gas or liquid separation properties.
CONSTITUTION: (A) A polymer such as polyolefin, fluorinated polyolefin, polyamide, polyester or polyacetal is mixed with (B) 1W60wt% of anothr polymer different in the composition from ingredient A. The resulting composition is melt extruded through nozzles for hollow fiber and taken up at low temperatures under high draft to give undrawn hollow fiber with high orientation. After annealed under tension or no tension, the undrawn fiber is drawn to form porous structure. Further, the heat set is effected to fix the fiber structure, thus giveing the objective hollow fiber having many fine pores passing through from the outside into the inner side of the hollow part and 50W2,000μ diameter.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4272279A JPS55137208A (en) | 1979-04-09 | 1979-04-09 | Novel type of hollow fiber with fine pore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4272279A JPS55137208A (en) | 1979-04-09 | 1979-04-09 | Novel type of hollow fiber with fine pore |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15485A Division JPS60185815A (en) | 1985-01-07 | 1985-01-07 | Porous hollow fiber with high water retention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55137208A true JPS55137208A (en) | 1980-10-25 |
Family
ID=12643951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4272279A Pending JPS55137208A (en) | 1979-04-09 | 1979-04-09 | Novel type of hollow fiber with fine pore |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55137208A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444710A (en) * | 1982-02-19 | 1984-04-24 | E. I. Du Pont De Nemours And Company | Process for increasing void volume of hollow filaments |
| US4541981A (en) * | 1982-02-18 | 1985-09-17 | Celanese Corporation | Method for preparing a uniform polyolefinic microporous hollow fiber |
| WO2004013388A1 (en) * | 2002-08-05 | 2004-02-12 | Toray Industries, Inc. | Porous fiber |
| JP2013039530A (en) * | 2011-08-17 | 2013-02-28 | Toray Ind Inc | Polyacetal-based porous hollow fiber membrane and method for manufacturing the same |
| JP2016132740A (en) * | 2015-01-21 | 2016-07-25 | 三菱樹脂株式会社 | Porous body and method for producing the same |
-
1979
- 1979-04-09 JP JP4272279A patent/JPS55137208A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4541981A (en) * | 1982-02-18 | 1985-09-17 | Celanese Corporation | Method for preparing a uniform polyolefinic microporous hollow fiber |
| US4444710A (en) * | 1982-02-19 | 1984-04-24 | E. I. Du Pont De Nemours And Company | Process for increasing void volume of hollow filaments |
| WO2004013388A1 (en) * | 2002-08-05 | 2004-02-12 | Toray Industries, Inc. | Porous fiber |
| JP2013039530A (en) * | 2011-08-17 | 2013-02-28 | Toray Ind Inc | Polyacetal-based porous hollow fiber membrane and method for manufacturing the same |
| JP2016132740A (en) * | 2015-01-21 | 2016-07-25 | 三菱樹脂株式会社 | Porous body and method for producing the same |
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