CA1167211A - Process for preparing hollow microporous polypropylene fibers - Google Patents
Process for preparing hollow microporous polypropylene fibersInfo
- Publication number
- CA1167211A CA1167211A CA000345473A CA345473A CA1167211A CA 1167211 A CA1167211 A CA 1167211A CA 000345473 A CA000345473 A CA 000345473A CA 345473 A CA345473 A CA 345473A CA 1167211 A CA1167211 A CA 1167211A
- Authority
- CA
- Canada
- Prior art keywords
- fibers
- hollow
- stretching
- temperature
- precursor
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 232
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 42
- -1 polypropylene Polymers 0.000 title claims abstract description 42
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000002243 precursor Substances 0.000 claims abstract description 89
- 239000012510 hollow fiber Substances 0.000 claims abstract description 70
- 238000000137 annealing Methods 0.000 claims abstract description 28
- 238000009998 heat setting Methods 0.000 claims abstract description 25
- 238000002074 melt spinning Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 52
- 230000008569 process Effects 0.000 claims description 30
- 230000004907 flux Effects 0.000 claims description 24
- 238000011084 recovery Methods 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 10
- 238000002441 X-ray diffraction Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 230000009477 glass transition Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 34
- 230000035699 permeability Effects 0.000 abstract description 29
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 11
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 11
- 241000045365 Microporus <basidiomycete fungus> Species 0.000 abstract 1
- 239000003570 air Substances 0.000 description 20
- 239000008280 blood Substances 0.000 description 17
- 210000004369 blood Anatomy 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 17
- 239000011148 porous material Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000006213 oxygenation reaction Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 241000842962 Apoda limacodes Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001493 electron microscopy Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000002459 porosimetry Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- 241000465531 Annea Species 0.000 description 1
- 206010003445 Ascites Diseases 0.000 description 1
- 241001502381 Budorcas taxicolor Species 0.000 description 1
- 108700040458 Drosophila Strn-Mlck Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- JWOLLWQJKQOEOL-UHFFFAOYSA-N OOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOO JWOLLWQJKQOEOL-UHFFFAOYSA-N 0.000 description 1
- UIQWBVPFHHQZHH-UHFFFAOYSA-N OOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOO UIQWBVPFHHQZHH-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000010035 extrusion spinning Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 108010074605 gamma-Globulins Proteins 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical class CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001453 nonthrombogenic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0083—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1174079A | 1979-02-13 | 1979-02-13 | |
| US11,740 | 1979-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1167211A true CA1167211A (en) | 1984-05-15 |
Family
ID=21751774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000345473A Expired CA1167211A (en) | 1979-02-13 | 1980-02-13 | Process for preparing hollow microporous polypropylene fibers |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS55107507A (sv) |
| AU (1) | AU5517980A (sv) |
| BE (1) | BE881668A (sv) |
| BR (1) | BR8000691A (sv) |
| CA (1) | CA1167211A (sv) |
| CH (1) | CH636648A5 (sv) |
| DD (1) | DD149089A5 (sv) |
| DE (1) | DE3003400A1 (sv) |
| FR (1) | FR2449142A1 (sv) |
| GB (1) | GB2041821B (sv) |
| IE (1) | IE800270L (sv) |
| IL (1) | IL59353A (sv) |
| IT (1) | IT1208466B (sv) |
| NL (1) | NL8000862A (sv) |
| PL (1) | PL221980A1 (sv) |
| SE (1) | SE448747B (sv) |
| ZA (1) | ZA80465B (sv) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8011518B2 (en) | 2007-09-04 | 2011-09-06 | Fujifilm Corporation | Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
| US4530809A (en) * | 1980-10-14 | 1985-07-23 | Mitsubishi Rayon Co., Ltd. | Process for making microporous polyethylene hollow fibers |
| JPS5766114A (en) * | 1980-10-14 | 1982-04-22 | Mitsubishi Rayon Co Ltd | Porous polyethylene hollow fiber and its production |
| US4405688A (en) * | 1982-02-18 | 1983-09-20 | Celanese Corporation | Microporous hollow fiber and process and apparatus for preparing such fiber |
| JPS5924732A (ja) * | 1982-08-02 | 1984-02-08 | Mitsubishi Rayon Co Ltd | 親水化多孔質膜およびその製造方法 |
| US4490431A (en) * | 1982-11-03 | 1984-12-25 | Akzona Incorporated | 0.1 Micron rated polypropylene membrane and method for its preparation |
| US4715953A (en) * | 1983-04-01 | 1987-12-29 | Baxter Travenol Laboratories, Inc. | Hollow fiber separation device manifold |
| JPS59196706A (ja) * | 1983-04-22 | 1984-11-08 | Dainippon Ink & Chem Inc | 不均質膜およびその製造方法 |
| EP0147849B1 (en) * | 1983-12-28 | 1989-03-22 | Ube Industries, Ltd. | Process of producing porous thermoplastic resin article |
| JPS61146308A (ja) * | 1984-12-21 | 1986-07-04 | Ube Ind Ltd | 多孔質ポリプロピレン中空糸又はフイルムの製造法 |
| US4741829A (en) * | 1985-06-27 | 1988-05-03 | Mitsubishi Rayon Co., Ltd. | Composite hollow fibers and method of making same |
| KR880004144A (ko) * | 1986-09-19 | 1988-06-01 | 로널드 케이 실버스텐 | 분리가능한 복수 섬유들의 패키지를 형성하는 방법 및 장치, 그리고 이렇게 형성된 섬유들의 패키지 |
| JPH022849A (ja) * | 1987-06-26 | 1990-01-08 | Ube Ind Ltd | 多孔性中空糸膜 |
| CA1323271C (en) * | 1987-07-11 | 1993-10-19 | Takanori Anazawa | Membrane-type artificial lung and method of using it |
| EP0314581B1 (en) * | 1987-10-29 | 1994-06-22 | Terumo Kabushiki Kaisha | Oxygenator using porous hollow fiber membranes |
| US5013439A (en) * | 1988-05-12 | 1991-05-07 | Hoechst Celanese Corporation | Microporous membranes having increased pore densities and process for making the same |
| ES2079377T3 (es) * | 1988-05-12 | 1996-01-16 | Hoechst Celanese Corp | Membranas microporosas que tienen densidades de poro aumentadas y procedimiento para su fabricacion. |
| JPH0214011A (ja) * | 1988-06-27 | 1990-01-18 | Mitsubishi Rayon Co Ltd | 多孔質ポリエチレン繊維 |
| JPH0724742B2 (ja) * | 1988-07-25 | 1995-03-22 | テルモ株式会社 | ポリプロピレン多孔質中空糸膜およびその製造方法 |
| US5232642A (en) * | 1991-02-08 | 1993-08-03 | Mitsubishi Rayon Co., Ltd. | Process of making porous polypropylene hollow fiber membrane of large pore diameter |
| US6368990B1 (en) * | 1997-08-04 | 2002-04-09 | Bba Nonwovens Sweden Ab | Fabrics formed of hollow filaments and fibers and methods of making the same |
| CA2365817A1 (en) | 2001-12-11 | 2003-06-11 | Pierre Cote | Methods of making stretched filtering membranes and membrane modules |
| CZ2002184A3 (cs) * | 2002-01-16 | 2003-09-17 | Eidos, S. R. O. | Mikroporézní membránová dutá vlákna s podélně proměnnými mechanickými a filtračními vlastnostmi a způsob jejich přípravy |
| JP5204384B2 (ja) | 2006-05-19 | 2013-06-05 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター |
| JP4863970B2 (ja) | 2007-11-16 | 2012-01-25 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP4937977B2 (ja) | 2008-09-02 | 2012-05-23 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| AU2010228091B2 (en) | 2009-03-26 | 2016-06-16 | Bl Technologies, Inc. | Non-braided reinforced hollow fibre membrane |
| KR101714103B1 (ko) | 2009-06-26 | 2017-03-09 | 비엘 테크놀러지스 인크. | 텍스타일-강화된 비-편조 중공사 막 |
| JP5220698B2 (ja) | 2009-07-06 | 2013-06-26 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP2011072920A (ja) | 2009-09-30 | 2011-04-14 | Fujifilm Corp | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP5528070B2 (ja) | 2009-11-25 | 2014-06-25 | 富士フイルム株式会社 | 濾過フィルタ用結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP5470140B2 (ja) | 2010-03-31 | 2014-04-16 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及び濾過用フィルター |
| JP2012011369A (ja) | 2010-06-01 | 2012-01-19 | Fujifilm Corp | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| BR112013004171A2 (pt) | 2010-09-15 | 2016-05-10 | Bl Technologies Inc | processo para a fabricação de um membrana de fibra oca reforçada e conjunto precursor |
| US8529814B2 (en) | 2010-12-15 | 2013-09-10 | General Electric Company | Supported hollow fiber membrane |
| US9321014B2 (en) | 2011-12-16 | 2016-04-26 | Bl Technologies, Inc. | Hollow fiber membrane with compatible reinforcements |
| US9643129B2 (en) | 2011-12-22 | 2017-05-09 | Bl Technologies, Inc. | Non-braided, textile-reinforced hollow fiber membrane |
| US9022229B2 (en) | 2012-03-09 | 2015-05-05 | General Electric Company | Composite membrane with compatible support filaments |
| US8999454B2 (en) | 2012-03-22 | 2015-04-07 | General Electric Company | Device and process for producing a reinforced hollow fibre membrane |
| US9227362B2 (en) | 2012-08-23 | 2016-01-05 | General Electric Company | Braid welding |
| CZ2012772A3 (cs) * | 2012-11-12 | 2014-01-02 | Vysoké Učení Technické V Brně | Způsob zdrsnění dutých polymerních vláken |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3558764A (en) * | 1966-09-06 | 1971-01-26 | Celanese Corp | Process for preparing microporous film |
| BE758823A (fr) * | 1969-11-13 | 1971-05-12 | Celanese Corp | Pellicule de polymere microporeux a cellules ouvertes et son obtention |
| US3801404A (en) * | 1970-10-28 | 1974-04-02 | Celanese Corp | Novel open-celled microporous film |
| JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
| US4020230A (en) * | 1975-10-03 | 1977-04-26 | The Dow Chemical Company | Microporous polyethylene hollow fibers and process of preparing them |
| JPS5938322B2 (ja) * | 1976-04-30 | 1984-09-17 | 東洋紡績株式会社 | 微孔性中空繊維およびその製造法 |
| JPH05338715A (ja) * | 1992-06-12 | 1993-12-21 | Murata Mach Ltd | スタッカクレーン |
-
1980
- 1980-01-25 ZA ZA00800465A patent/ZA80465B/xx unknown
- 1980-01-31 DE DE19803003400 patent/DE3003400A1/de not_active Withdrawn
- 1980-02-04 AU AU55179/80A patent/AU5517980A/en not_active Abandoned
- 1980-02-05 BR BR8000691A patent/BR8000691A/pt unknown
- 1980-02-10 IL IL59353A patent/IL59353A/xx unknown
- 1980-02-12 CH CH114480A patent/CH636648A5/fr not_active IP Right Cessation
- 1980-02-12 BE BE0/199356A patent/BE881668A/fr not_active IP Right Cessation
- 1980-02-12 DD DD80219019A patent/DD149089A5/de unknown
- 1980-02-12 SE SE8001101A patent/SE448747B/sv not_active IP Right Cessation
- 1980-02-12 IT IT8019858A patent/IT1208466B/it active
- 1980-02-12 NL NL8000862A patent/NL8000862A/nl not_active Application Discontinuation
- 1980-02-12 IE IE800270A patent/IE800270L/xx unknown
- 1980-02-12 FR FR8003065A patent/FR2449142A1/fr active Granted
- 1980-02-12 GB GB8004710A patent/GB2041821B/en not_active Expired
- 1980-02-13 JP JP1559280A patent/JPS55107507A/ja active Pending
- 1980-02-13 PL PL22198080A patent/PL221980A1/xx unknown
- 1980-02-13 CA CA000345473A patent/CA1167211A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8011518B2 (en) | 2007-09-04 | 2011-09-06 | Fujifilm Corporation | Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
Also Published As
| Publication number | Publication date |
|---|---|
| BE881668A (fr) | 1980-08-12 |
| ZA80465B (en) | 1981-08-26 |
| FR2449142A1 (fr) | 1980-09-12 |
| IT1208466B (it) | 1989-07-10 |
| IL59353A (en) | 1982-02-28 |
| BR8000691A (pt) | 1980-10-14 |
| GB2041821B (en) | 1983-01-26 |
| FR2449142B1 (sv) | 1983-01-21 |
| NL8000862A (nl) | 1980-08-15 |
| SE8001101L (sv) | 1980-09-26 |
| IE800270L (en) | 1980-08-13 |
| DE3003400A1 (de) | 1980-08-14 |
| DD149089A5 (de) | 1981-06-24 |
| IL59353A0 (en) | 1980-05-30 |
| JPS55107507A (en) | 1980-08-18 |
| AU5517980A (en) | 1980-08-21 |
| PL221980A1 (sv) | 1980-11-03 |
| IT8019858A0 (it) | 1980-02-12 |
| GB2041821A (en) | 1980-09-17 |
| SE448747B (sv) | 1987-03-16 |
| CH636648A5 (fr) | 1983-06-15 |
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