JPS6329006B2 - - Google Patents
Info
- Publication number
- JPS6329006B2 JPS6329006B2 JP58247312A JP24731283A JPS6329006B2 JP S6329006 B2 JPS6329006 B2 JP S6329006B2 JP 58247312 A JP58247312 A JP 58247312A JP 24731283 A JP24731283 A JP 24731283A JP S6329006 B2 JPS6329006 B2 JP S6329006B2
- Authority
- JP
- Japan
- Prior art keywords
- polypropylene hollow
- hollow fibers
- hollow fiber
- stretching
- porous
- 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.)
- Expired
Links
- 239000012510 hollow fiber Substances 0.000 claims description 122
- 229920001155 polypropylene Polymers 0.000 claims description 120
- 239000004743 Polypropylene Substances 0.000 claims description 119
- -1 polypropylene Polymers 0.000 claims description 119
- 239000011148 porous material Substances 0.000 claims description 37
- 230000002093 peripheral effect Effects 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 18
- 239000007788 liquid Substances 0.000 description 11
- 238000009987 spinning Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009998 heat setting Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24731283A JPS60139807A (ja) | 1983-12-28 | 1983-12-28 | 多孔質ポリプロピレン中空糸の製造法 |
| US06/686,654 US4563317A (en) | 1983-12-28 | 1984-12-27 | Process of producing porous thermoplastic resin article |
| DE8484116343T DE3477406D1 (en) | 1983-12-28 | 1984-12-27 | Process of producing porous thermoplastic resin article |
| EP84116343A EP0147849B1 (de) | 1983-12-28 | 1984-12-27 | Verfahren zur Herstellung von porösen Gegenständen aus thermoplastischen Harzen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24731283A JPS60139807A (ja) | 1983-12-28 | 1983-12-28 | 多孔質ポリプロピレン中空糸の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60139807A JPS60139807A (ja) | 1985-07-24 |
| JPS6329006B2 true JPS6329006B2 (de) | 1988-06-10 |
Family
ID=17161527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24731283A Granted JPS60139807A (ja) | 1983-12-28 | 1983-12-28 | 多孔質ポリプロピレン中空糸の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139807A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4522600B2 (ja) * | 2001-03-05 | 2010-08-11 | 三菱レイヨン株式会社 | 中空糸膜の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137026A (en) * | 1976-04-30 | 1977-11-16 | Toyobo Co Ltd | Microporous hollow fibers and their production |
| JPS5468414A (en) * | 1977-11-08 | 1979-06-01 | Mitsubishi Rayon Co Ltd | Production of porous hollow polypropylene fibers |
-
1983
- 1983-12-28 JP JP24731283A patent/JPS60139807A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137026A (en) * | 1976-04-30 | 1977-11-16 | Toyobo Co Ltd | Microporous hollow fibers and their production |
| JPS5468414A (en) * | 1977-11-08 | 1979-06-01 | Mitsubishi Rayon Co Ltd | Production of porous hollow polypropylene fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60139807A (ja) | 1985-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |