CH636648A5 - Procede de preparation de fibres creuses et microporeuses de polypropylene. - Google Patents

Procede de preparation de fibres creuses et microporeuses de polypropylene. Download PDF

Info

Publication number: CH636648A5
Authority: CH; Switzerland
Prior art keywords: fibers; hollow; hot; stretching; temperature
Prior art date: 1979-02-13

Application number

CH114480A

Other languages

English (en)

French (fr)

Inventor

Howard J Davis

Willard C Brinegar

Phillips L Scoville

Peter K Sullivan

Original Assignee

Celanese Corp

Priority date (The priority date 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 date listed.)

1979-02-13

Filing date

1980-02-12

Publication date

1983-06-15

1980-02-12 Application filed by Celanese Corp filed Critical Celanese Corp

1983-06-15 Publication of CH636648A5 publication Critical patent/CH636648A5/fr

Links

239000000835 fiber Substances 0.000 title claims description 234
238000000034 method Methods 0.000 title claims description 50
-1 POLYPROPYLENE Polymers 0.000 title claims description 40
239000004743 Polypropylene Substances 0.000 title claims description 38
229920001155 polypropylene Polymers 0.000 title claims description 38
230000008569 process Effects 0.000 title claims description 28
238000002360 preparation method Methods 0.000 title description 8
239000012510 hollow fiber Substances 0.000 claims description 64
238000000137 annealing Methods 0.000 claims description 25
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
239000001301 oxygen Substances 0.000 claims description 22
229910052760 oxygen Inorganic materials 0.000 claims description 22
238000004804 winding Methods 0.000 claims description 22
239000008280 blood Substances 0.000 claims description 20
210000004369 blood Anatomy 0.000 claims description 20
238000011084 recovery Methods 0.000 claims description 17
229920006240 drawn fiber Polymers 0.000 claims description 14
238000009987 spinning Methods 0.000 claims description 14
238000002844 melting Methods 0.000 claims description 11
230000008018 melting Effects 0.000 claims description 11
238000010622 cold drawing Methods 0.000 claims description 10
238000002074 melt spinning Methods 0.000 claims description 9
229910052799 carbon Inorganic materials 0.000 claims description 8
238000004519 manufacturing process Methods 0.000 claims description 7
239000000155 melt Substances 0.000 claims description 7
230000001706 oxygenating effect Effects 0.000 claims description 5
230000007704 transition Effects 0.000 claims description 5
239000011521 glass Substances 0.000 claims description 3
238000004736 wide-angle X-ray diffraction Methods 0.000 claims description 2
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
230000035699 permeability Effects 0.000 description 32
239000007789 gas Substances 0.000 description 31
238000012360 testing method Methods 0.000 description 27
239000003570 air Substances 0.000 description 23
229920000642 polymer Polymers 0.000 description 21
238000010438 heat treatment Methods 0.000 description 16
239000011148 porous material Substances 0.000 description 15
238000001125 extrusion Methods 0.000 description 13
230000002093 peripheral effect Effects 0.000 description 12
238000001723 curing Methods 0.000 description 11
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
238000013007 heat curing Methods 0.000 description 10
238000005516 engineering process Methods 0.000 description 8
239000007788 liquid Substances 0.000 description 7
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
239000002243 precursor Substances 0.000 description 6
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
230000008859 change Effects 0.000 description 5
230000007423 decrease Effects 0.000 description 5
229910001882 dioxygen Inorganic materials 0.000 description 5
230000004907 flux 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
229910052757 nitrogen Inorganic materials 0.000 description 5
238000006213 oxygenation reaction Methods 0.000 description 5
238000012545 processing Methods 0.000 description 5
238000001816 cooling Methods 0.000 description 4
239000000463 material Substances 0.000 description 4
238000005259 measurement Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
241000842962 Apoda limacodes Species 0.000 description 3
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
238000002441 X-ray diffraction Methods 0.000 description 3
239000001569 carbon dioxide Substances 0.000 description 3
229910002092 carbon dioxide Inorganic materials 0.000 description 3
238000010924 continuous production Methods 0.000 description 3
238000000113 differential scanning calorimetry Methods 0.000 description 3
239000012467 final product Substances 0.000 description 3
230000009477 glass transition Effects 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
230000009467 reduction Effects 0.000 description 3
229920005989 resin Polymers 0.000 description 3
239000011347 resin Substances 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
238000010521 absorption reaction Methods 0.000 description 2
230000002411 adverse Effects 0.000 description 2
229920006125 amorphous polymer Polymers 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000006866 deterioration Effects 0.000 description 2
239000003822 epoxy resin Substances 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
239000012528 membrane Substances 0.000 description 2
239000002736 nonionic surfactant Substances 0.000 description 2
229920000647 polyepoxide Polymers 0.000 description 2
239000000047 product 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
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
206010003445 Ascites Diseases 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
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-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
229910000831 Steel Inorganic materials 0.000 description 1
239000002253 acid 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
238000004458 analytical method Methods 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
210000001124 body fluid Anatomy 0.000 description 1
239000010839 body fluid Substances 0.000 description 1
230000015556 catabolic process Effects 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
239000002826 coolant Substances 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000000151 deposition Methods 0.000 description 1
238000000502 dialysis Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000000635 electron micrograph Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000010035 extrusion spinning Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
108010074605 gamma-Globulins Proteins 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000009998 heat setting Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000007654 immersion Methods 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
230000008595 infiltration Effects 0.000 description 1
238000001764 infiltration Methods 0.000 description 1
238000009413 insulation Methods 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
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
239000008188 pellet Substances 0.000 description 1
229920001983 poloxamer Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
238000003303 reheating Methods 0.000 description 1
238000011160 research 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
238000001228 spectrum Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000009864 tensile test Methods 0.000 description 1
239000004753 textile Substances 0.000 description 1
230000010512 thermal transition Effects 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

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)

CH114480A 1979-02-13 1980-02-12 Procede de preparation de fibres creuses et microporeuses de polypropylene. CH636648A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US1174079A	1979-02-13	1979-02-13

Publications (1)

Publication Number	Publication Date
CH636648A5 true CH636648A5 (fr)	1983-06-15

Family

ID=21751774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH114480A CH636648A5 (fr)	1979-02-13	1980-02-12	Procede de preparation de fibres creuses et microporeuses de polypropylene.

Country Status (17)

Country	Link
JP (1)	JPS55107507A (it)
AU (1)	AU5517980A (it)
BE (1)	BE881668A (it)
BR (1)	BR8000691A (it)
CA (1)	CA1167211A (it)
CH (1)	CH636648A5 (it)
DD (1)	DD149089A5 (it)
DE (1)	DE3003400A1 (it)
FR (1)	FR2449142A1 (it)
GB (1)	GB2041821B (it)
IE (1)	IE800270L (it)
IL (1)	IL59353A (it)
IT (1)	IT1208466B (it)
NL (1)	NL8000862A (it)
PL (1)	PL221980A1 (it)
SE (1)	SE448747B (it)
ZA (1)	ZA80465B (it)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
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JPS5215627A (en) *	1975-07-09	1977-02-05	Mitsubishi Rayon Co Ltd	Porous polypropylene hollow fibers and a process for manufacturing the m
JPS5766114A (en) *	1980-10-14	1982-04-22	Mitsubishi Rayon Co Ltd	Porous polyethylene hollow fiber and its production
US4530809A (en) *	1980-10-14	1985-07-23	Mitsubishi Rayon Co., Ltd.	Process for making microporous polyethylene hollow fibers
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
DE3477406D1 (en) *	1983-12-28	1989-04-27	Ube Industries	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
EP0227832B1 (en) *	1985-06-27	1990-09-19	Mitsubishi Rayon Co., Ltd.	Composite hollow yarn and a process for producing the same
JPS6399345A (ja) *	1986-09-19	1988-04-30	セラニーズ　コーポレーシヨン	複数の分離性繊維のパッケージの製造方法と製造装置および製造された繊維のパッケージ
JPH022849A (ja) *	1987-06-26	1990-01-08	Ube Ind Ltd	多孔性中空糸膜
EP0299381B2 (en) *	1987-07-11	1999-06-30	Dainippon Ink And Chemicals, Inc.	Membrane-type artificial lung and method of using it
DE3850344T2 (de) *	1987-10-29	1994-11-03	Terumo Corp	Oxygenator mit porösen Hohlfasernmembranen.
EP0342026B1 (en) *	1988-05-12	1995-10-18	Hoechst Celanese Corporation	Microporous membranes having increased pore densities and process for making the same
US5013439A (en) *	1988-05-12	1991-05-07	Hoechst Celanese Corporation	Microporous membranes having increased pore densities and process for making the same
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
JP5220369B2 (ja)	2007-09-04	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
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
CN104941459B (zh)	2009-03-26	2017-09-22	Bl 科技公司	非编织的增强中空纤维膜
US9061250B2 (en)	2009-06-26	2015-06-23	Bl Technologies, Inc.	Non-braided, textile-reinforced hollow fiber membrane
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
CN103097008B (zh)	2010-09-15	2015-12-09	Bl科技公司	围绕可溶芯体制造纱增强式中空纤维膜的方法
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)

* Cited by examiner, † Cited by third party
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 NL NL8000862A patent/NL8000862A/nl not_active Application Discontinuation
- 1980-02-12 CH CH114480A patent/CH636648A5/fr not_active IP Right Cessation
- 1980-02-12 SE SE8001101A patent/SE448747B/sv not_active IP Right Cessation
- 1980-02-12 GB GB8004710A patent/GB2041821B/en not_active Expired
- 1980-02-12 BE BE0/199356A patent/BE881668A/fr not_active IP Right Cessation
- 1980-02-12 IT IT8019858A patent/IT1208466B/it active
- 1980-02-12 DD DD80219019A patent/DD149089A5/de unknown
- 1980-02-12 IE IE800270A patent/IE800270L/xx unknown
- 1980-02-12 FR FR8003065A patent/FR2449142A1/fr active Granted
- 1980-02-13 JP JP1559280A patent/JPS55107507A/ja active Pending
- 1980-02-13 CA CA000345473A patent/CA1167211A/en not_active Expired
- 1980-02-13 PL PL22198080A patent/PL221980A1/xx unknown

Also Published As

Publication number	Publication date
PL221980A1 (it)	1980-11-03
CA1167211A (en)	1984-05-15
DD149089A5 (de)	1981-06-24
IL59353A0 (en)	1980-05-30
GB2041821A (en)	1980-09-17
SE448747B (sv)	1987-03-16
IT1208466B (it)	1989-07-10
DE3003400A1 (de)	1980-08-14
IE800270L (en)	1980-08-13
ZA80465B (en)	1981-08-26
FR2449142A1 (fr)	1980-09-12
IL59353A (en)	1982-02-28
IT8019858A0 (it)	1980-02-12
SE8001101L (sv)	1980-09-26
BR8000691A (pt)	1980-10-14
BE881668A (fr)	1980-08-12
AU5517980A (en)	1980-08-21
GB2041821B (en)	1983-01-26
NL8000862A (nl)	1980-08-15
JPS55107507A (en)	1980-08-18
FR2449142B1 (it)	1983-01-21

Legal Events

Date	Code	Title	Description
1994-10-31	PL	Patent ceased

Publication	Publication Date	Title
CH636648A5 (fr)	1983-06-15	Procede de preparation de fibres creuses et microporeuses de polypropylene.
FR2461032A1 (fr)	1981-01-30	Procede de preparation de fibres creuses et microporeuses
US4405688A (en)	1983-09-20	Microporous hollow fiber and process and apparatus for preparing such fiber
EP0124028B1 (en)	1990-03-14	Heterogeneous membrane and process for production thereof
JP5065379B2 (ja)	2012-10-31	限外濾過膜
FR2731649A1 (fr)	1996-09-20	Film poreux multicouche comprenant des polyolefines et son procede de production
FR2488051A1 (fr)	1982-02-05	Membrane microporeuse et hydrophile a cellules ouvertes, separateur de batterie et batterie l'utilisant, procede pour rendre hydrophile une membrane microporeuse normalement hydrophobe, et procede pour reduire la penetration, dans un separateur de batterie, des ions derives des electrodes
AU614098B2 (en)	1991-08-22	Porous hollow fiber membrane, method for production thereof, and oxygenator using the hollow fiber membrane
CA1063038A (fr)	1979-09-25	Osmose inverse-membrane sur cordonnet creux chauffe a coeur
FR2566003A1 (fr)	1985-12-20	Fibres creuses, leur procede de fabrication et leurs applications notamment dans le domaine des separations par membranes
Yang et al.	1996	Effect of post-drawing on the mechanical and mass transfer properties of polyacrylonitrile hollow fiber membranes
FR2815886A1 (fr)	2002-05-03	Faisceau de fibres creuses pour un appareil pour le traitement extracorporel du sang et du plasma et son procede de fabrication
EP0375004A1 (fr)	1990-06-27	Procédé pour la fabrication d'un matériau poreux organique, notamment d'une membrane semi-perméable organique, comportant une pluralité de canaux longitudinaux séparés
JPH07121340B2 (ja)	1995-12-25	中空繊維膜
EP0081866A1 (fr)	1983-06-22	Procédé et appareillage d'extrusion de films en polymères du fluorure de vinylidène
KR940001854B1 (ko)	1994-03-09	증가된 기공밀도를 갖는 미공질막과 그의 제조방법
CH632536A5 (fr)	1982-10-15	Fibre creuse d'acetate de cellulose et procede pour sa fabrication.
Yu et al.	2006	Effect of bore liquid temperature and dope concentration on mechanical properties and permeation performance of polyacrylonitrile hollow fibers
JPH06210146A (ja)	1994-08-02	中空糸不均質膜及びその製法
BE882475A (fr)	1980-09-29	Procedes de preparation de membranes anisotropes et membranes ainsi obtenues
EP0147570B1 (en)	1990-11-14	Process for the manufacture of asymmetric, porous membranes and product thereof
JPS6342006B2 (it)	1988-08-19
CA2004320A1 (fr)	1990-06-22	Procede pour la fabrication d'un materiau poreux organique, notamment d'une membrane semi-permeable organique, comportant une pluralite de canaux longitudinaux separes
JPH03123628A (ja)	1991-05-27	非対称ガス分離膜製造用ドープ
EP0113638B1 (fr)	1986-10-29	Film d'alcool polyvinylique et son application pour la préparation de films composites imperméables aux gaz