CA1271907A - Hollow fiber membrane made by melt-spinning polyolefin/filler composition - Google Patents

Hollow fiber membrane made by melt-spinning polyolefin/filler composition

Info

Publication number: CA1271907A
Authority: CA; Canada
Prior art keywords: polyolefin; hollow fiber; fiber membrane; tube; wall side
Prior art date: 1984-10-09
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 - Fee Related

Application number

CA000492621A

Other languages

English (en)

French (fr)

Inventor

Yukio Seita

Makoto Emi

Kazuhiro Shimoda

Kazuaki Takahara

Toshiji Ichikawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Terumo Corp

Original Assignee

Terumo 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.)

1984-10-09

Filing date

1985-10-09

Publication date

1990-07-24

1985-10-09 Application filed by Terumo Corp filed Critical Terumo Corp

1990-07-24 Application granted granted Critical

1990-07-24 Publication of CA1271907A publication Critical patent/CA1271907A/en

2007-07-24 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000012528 membrane Substances 0.000 title claims abstract description 130
229920000098 polyolefin Polymers 0.000 title claims abstract description 89
239000000203 mixture Substances 0.000 title claims abstract description 21
239000012510 hollow fiber Substances 0.000 title claims description 114
239000000945 filler Substances 0.000 title description 4
238000002074 melt spinning Methods 0.000 title description 3
238000001816 cooling Methods 0.000 claims abstract description 64
239000007788 liquid Substances 0.000 claims abstract description 59
239000011148 porous material Substances 0.000 claims abstract description 40
239000012766 organic filler Substances 0.000 claims abstract description 32
239000003795 chemical substances by application Substances 0.000 claims abstract description 31
238000002844 melting Methods 0.000 claims abstract description 30
230000008018 melting Effects 0.000 claims abstract description 30
239000013078 crystal Substances 0.000 claims abstract description 29
239000002245 particle Substances 0.000 claims abstract description 16
238000009987 spinning Methods 0.000 claims abstract description 15
238000002156 mixing Methods 0.000 claims abstract description 11
239000011261 inert gas Substances 0.000 claims abstract description 9
238000007599 discharging Methods 0.000 claims abstract description 6
239000011369 resultant mixture Substances 0.000 claims abstract description 6
238000000034 method Methods 0.000 claims description 54
238000004519 manufacturing process Methods 0.000 claims description 24
-1 polyethylene Polymers 0.000 claims description 24
239000010419 fine particle Substances 0.000 claims description 21
239000007789 gas Substances 0.000 claims description 20
239000004743 Polypropylene Substances 0.000 claims description 18
229920001155 polypropylene Polymers 0.000 claims description 18
150000008282 halocarbons Chemical class 0.000 claims description 16
239000000126 substance Substances 0.000 claims description 16
229930195733 hydrocarbon Natural products 0.000 claims description 14
150000002430 hydrocarbons Chemical group 0.000 claims description 14
238000010438 heat treatment Methods 0.000 claims description 13
229940057995 liquid paraffin Drugs 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
239000004215 Carbon black (E152) Substances 0.000 claims description 6
239000004698 Polyethylene Substances 0.000 claims description 6
238000002425 crystallisation Methods 0.000 claims description 6
230000008025 crystallization Effects 0.000 claims description 6
230000004907 flux Effects 0.000 claims description 5
229920000573 polyethylene Polymers 0.000 claims description 5
150000001298 alcohols Chemical class 0.000 claims description 4
235000014113 dietary fatty acids Nutrition 0.000 claims description 4
150000002148 esters Chemical class 0.000 claims description 4
239000000194 fatty acid Substances 0.000 claims description 4
229930195729 fatty acid Natural products 0.000 claims description 4
150000004665 fatty acids Chemical class 0.000 claims description 4
230000000149 penetrating effect Effects 0.000 claims 1
239000000835 fiber Substances 0.000 abstract description 2
210000002381 plasma Anatomy 0.000 description 16
210000004072 lung Anatomy 0.000 description 11
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 9
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
229910002092 carbon dioxide Inorganic materials 0.000 description 8
238000000605 extraction Methods 0.000 description 8
210000004369 blood Anatomy 0.000 description 7
239000008280 blood Substances 0.000 description 7
229940052308 general anesthetics halogenated hydrocarbons Drugs 0.000 description 7
230000035699 permeability Effects 0.000 description 7
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
239000003570 air Substances 0.000 description 6
238000009826 distribution Methods 0.000 description 6
239000002994 raw material Substances 0.000 description 6
229920002379 silicone rubber Polymers 0.000 description 6
239000004945 silicone rubber Substances 0.000 description 6
239000001569 carbon dioxide Substances 0.000 description 5
239000000306 component Substances 0.000 description 5
230000000694 effects Effects 0.000 description 5
239000000155 melt Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
229910052742 iron Inorganic materials 0.000 description 4
241000283690 Bos taurus Species 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
239000012080 ambient air Substances 0.000 description 3
230000008859 change Effects 0.000 description 3
229940087101 dibenzylidene sorbitol Drugs 0.000 description 3
238000007654 immersion Methods 0.000 description 3
238000005259 measurement Methods 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000009835 boiling Methods 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
UMNKXPULIDJLSU-UHFFFAOYSA-N dichlorofluoromethane Chemical compound FC(Cl)Cl UMNKXPULIDJLSU-UHFFFAOYSA-N 0.000 description 2
229940099364 dichlorofluoromethane Drugs 0.000 description 2
230000001747 exhibiting effect Effects 0.000 description 2
IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
230000002209 hydrophobic effect Effects 0.000 description 2
230000001939 inductive effect Effects 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
238000012546 transfer Methods 0.000 description 2
238000004804 winding Methods 0.000 description 2
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
UGCSPKPEHQEOSR-UHFFFAOYSA-N 1,1,2,2-tetrachloro-1,2-difluoroethane Chemical compound FC(Cl)(Cl)C(F)(Cl)Cl UGCSPKPEHQEOSR-UHFFFAOYSA-N 0.000 description 1
FJSRPVWDOJSWBX-UHFFFAOYSA-N 1-chloro-4-[1-(4-chlorophenyl)-2,2,2-trifluoroethyl]benzene Chemical compound C=1C=C(Cl)C=CC=1C(C(F)(F)F)C1=CC=C(Cl)C=C1 FJSRPVWDOJSWBX-UHFFFAOYSA-N 0.000 description 1
LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
239000005995 Aluminium silicate Substances 0.000 description 1
102100037293 Atrial natriuretic peptide-converting enzyme Human genes 0.000 description 1
101710133555 Atrial natriuretic peptide-converting enzyme Proteins 0.000 description 1
102000004506 Blood Proteins Human genes 0.000 description 1
108010017384 Blood Proteins Proteins 0.000 description 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
239000007836 KH2PO4 Substances 0.000 description 1
JWOLLWQJKQOEOL-UHFFFAOYSA-N OOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOO JWOLLWQJKQOEOL-UHFFFAOYSA-N 0.000 description 1
239000005642 Oleic acid Substances 0.000 description 1
ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
235000021314 Palmitic acid Nutrition 0.000 description 1
235000021355 Stearic acid Nutrition 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
239000001361 adipic acid Substances 0.000 description 1
235000011037 adipic acid Nutrition 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
125000005907 alkyl ester group Chemical group 0.000 description 1
235000012211 aluminium silicate Nutrition 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000013459 approach Methods 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000004364 calculation method Methods 0.000 description 1
238000004891 communication Methods 0.000 description 1
235000019628 coolness Nutrition 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
229910000397 disodium phosphate Inorganic materials 0.000 description 1
235000019800 disodium phosphate Nutrition 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000005484 gravity Effects 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
ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
125000001183 hydrocarbyl group Chemical group 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
230000003455 independent Effects 0.000 description 1
238000002329 infrared spectrum Methods 0.000 description 1
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
238000004898 kneading 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
GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
235000019796 monopotassium phosphate Nutrition 0.000 description 1
WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
235000021313 oleic acid Nutrition 0.000 description 1
239000012188 paraffin wax Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
238000005453 pelletization Methods 0.000 description 1
239000012466 permeate Substances 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
239000008363 phosphate buffer Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
230000008569 process Effects 0.000 description 1
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical class CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
230000010349 pulsation Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000005549 size reduction Methods 0.000 description 1
WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
239000004299 sodium benzoate Substances 0.000 description 1
235000010234 sodium benzoate Nutrition 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
SNAQARSCIHDMGI-UHFFFAOYSA-M sodium;bis(4-tert-butylphenyl) phosphate Chemical compound [Na+].C1=CC(C(C)(C)C)=CC=C1OP([O-])(=O)OC1=CC=C(C(C)(C)C)C=C1 SNAQARSCIHDMGI-UHFFFAOYSA-M 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
230000002311 subsequent effect Effects 0.000 description 1
239000000454 talc Substances 0.000 description 1
229910052623 talc Inorganic materials 0.000 description 1
235000012222 talc Nutrition 0.000 description 1
TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
229940029284 trichlorofluoromethane Drugs 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/262—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
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2935—Discontinuous or tubular or cellular core
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Artificial Filaments (AREA)
Separation Using Semi-Permeable Membranes (AREA)
External Artificial Organs (AREA)

CA000492621A 1984-10-09 1985-10-09 Hollow fiber membrane made by melt-spinning polyolefin/filler composition Expired - Fee Related CA1271907A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP210,466/84		1984-10-09
JP59210466A JPS6190705A (ja)	1984-10-09	1984-10-09	中空糸膜の製造方法

Publications (1)

Publication Number	Publication Date
CA1271907A true CA1271907A (en)	1990-07-24

Family

ID=16589799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000492621A Expired - Fee Related CA1271907A (en)	1984-10-09	1985-10-09	Hollow fiber membrane made by melt-spinning polyolefin/filler composition

Country Status (7)

Country	Link
US (1)	US4708800A (2)
EP (1)	EP0180052B1 (2)
JP (1)	JPS6190705A (2)
AU (1)	AU576004B2 (2)
BE (1)	BE903395A (2)
CA (1)	CA1271907A (2)
DE (1)	DE3569676D1 (2)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0775622B2 (ja) *	1985-07-16	1995-08-16	テルモ株式会社	人工肺用中空糸膜、その製造方法およびその中空糸膜を用いた人工肺
CA1312429C (en) *	1985-08-29	1993-01-12	Yukio Seita	Porous membrane for separation of blood components and method for manufacture thereof
US4726989A (en) *	1986-12-11	1988-02-23	Minnesota Mining And Manufacturing	Microporous materials incorporating a nucleating agent and methods for making same
AU623848B2 (en) *	1987-01-20	1992-05-28	Terumo Kabushiki Kaisha	Porous polypropylene membrane and process for its production
CA1315929C (en) *	1987-06-26	1993-04-13	Masahiko Yamaguchi	Porous hollow-fiber
DE3878326T3 (de) *	1987-07-11	1999-09-23	Dainippon Ink And Chemicals, Inc.	Kunstlunge der Membranart und Verfahren zu ihrer Verwendung.
US5192320A (en) *	1987-07-11	1993-03-09	Dainippon Ink And Chemicals Inc.	Artificial lung and method of using it
ES2054849T3 (es) *	1987-10-29	1994-08-16	Terumo Corp	Oxigenador que utiliza membranas de fibras huecas porosas.
NO173366C (no) *	1987-11-02	1993-12-08	Tokyo Bi Tech Lab Inc	Membran av hule fibre for rensing av blod, framgangsm}te for rensing av blod, og apparat for rensing av blod
JPH01168303A (ja) *	1987-12-22	1989-07-03	Terumo Corp	多孔質中空糸膜およびその製造方法ならびに人工肺
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
US5318417A (en) *	1988-11-10	1994-06-07	Kopp Clinton V	Extrusion head for forming polymeric hollow fiber
US5277851A (en) *	1988-11-10	1994-01-11	Ford Douglas L	Process of making a porous hollow fiber membrane
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JP2568043B2 (ja) *	1991-05-21	1996-12-25	ブラウン・ユニバーシテイ・リサーチ・フアウンデーシヨン	中空繊維を形成するための装置と該繊維
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1984
- 1984-10-09 JP JP59210466A patent/JPS6190705A/ja active Granted
1985
- 1985-10-01 US US06/782,523 patent/US4708800A/en not_active Expired - Fee Related
- 1985-10-02 EP EP85112486A patent/EP0180052B1/en not_active Expired
- 1985-10-02 DE DE8585112486T patent/DE3569676D1/de not_active Expired
- 1985-10-02 AU AU48224/85A patent/AU576004B2/en not_active Ceased
- 1985-10-08 BE BE0/215698A patent/BE903395A/fr not_active IP Right Cessation
- 1985-10-09 CA CA000492621A patent/CA1271907A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH0513687B2 (2)	1993-02-23
DE3569676D1 (en)	1989-06-01
US4708800A (en)	1987-11-24
EP0180052A1 (en)	1986-05-07
JPS6190705A (ja)	1986-05-08
BE903395A (fr)	1986-02-03
EP0180052B1 (en)	1989-04-26
AU4822485A (en)	1986-04-17
AU576004B2 (en)	1988-08-11

Legal Events

Date	Code	Title	Description
1997-07-24	MKLA	Lapsed

Publication	Publication Date	Title
EP0180052B1 (en)	1989-04-26	Hollow fiber membrane and method for manufacture thereof
CA1310455C (en)	1992-11-24	Hollow porous polypropylene membrane for artificial lung
EP0341309B1 (en)	1996-12-27	Porous polypropylene membrane and process for its production
CA1264904A (en)	1990-01-30	Flat permeable membrane and method for manufacture thereof
JPH0655849B2 (ja)	1994-07-27	延伸微孔性物質
US5250240A (en)	1993-10-05	Process for the preparation of porous polyolefin separation membranes via thermally-induced phase separation
JPH0834874A (ja)	1996-02-06	フルオロカーボン膜の製造方法
EP0314581B1 (en)	1994-06-22	Oxygenator using porous hollow fiber membranes
EP0217698B1 (en)	1991-04-17	Method for the manufacture of a porous membrane for separation of blood components
US4964991A (en)	1990-10-23	Flat permeable membrane and for manufacture thereof
JPH0235918A (ja)	1990-02-06	ポリプロピレン多孔質中空糸膜およびその製造方法
IE55578B1 (en)	1990-11-07	Hollow fibre useful in blood treating processes
JPH0563212B2 (2)	1993-09-10
CA1310159C (en)	1992-11-17	Porous polypropylene hollow fiber membrane, method for production thereof and artificial lung
JPH0439370B2 (2)	1992-06-29
JPS6297603A (ja)	1987-05-07	ポリプロピレン多孔質膜およびその製造方法
JPH0439371B2 (2)	1992-06-29
JPH01168303A (ja)	1989-07-03	多孔質中空糸膜およびその製造方法ならびに人工肺
JPH01228505A (ja)	1989-09-12	多孔質中空糸膜、その製造方法およびその中空糸膜を用いた人工肺
JPH0474046B2 (2)	1992-11-25
JPH01228504A (ja)	1989-09-12	多孔質中空糸膜およびその製造方法ならびに人工肺
JPH01228506A (ja)	1989-09-12	多孔質中空糸膜、その製造方法およびその中空糸膜を用いた人工肺