SE510792C2 - Polyvinylidenflouridmembran - Google Patents

Polyvinylidenflouridmembran

Info

Publication number: SE510792C2
Authority: SE; Sweden
Prior art keywords: membrane; present; kpa; kuf; casting solution
Prior art date: 1993-12-22

Application number

SE9404249A

Other languages

English (en)

Swedish (sv)

Other versions

SE9404249D0 (sv

SE9404249L (sv

Inventor

Peter J Degen

Ioannis P Sipsas

Gregory C Rapisarda

Joseph Gregg

Original Assignee

Pall 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.)

1993-12-22

Filing date

1994-12-07

Publication date

1999-06-21

1994-10-24 Priority claimed from US08/327,622 external-priority patent/US5736051A/en

1994-12-07 Application filed by Pall Corp filed Critical Pall Corp

1994-12-07 Publication of SE9404249D0 publication Critical patent/SE9404249D0/xx

1995-06-23 Publication of SE9404249L publication Critical patent/SE9404249L/

1999-06-21 Publication of SE510792C2 publication Critical patent/SE510792C2/sv

Links

239000012528 membrane Substances 0.000 claims abstract description 310
238000005266 casting Methods 0.000 claims abstract description 59
230000009467 reduction Effects 0.000 claims abstract description 42
239000007788 liquid Substances 0.000 claims abstract description 41
239000002033 PVDF binder Substances 0.000 claims abstract description 33
229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 33
238000000034 method Methods 0.000 claims abstract description 32
241001515965 unidentified phage Species 0.000 claims abstract description 21
238000010438 heat treatment Methods 0.000 claims abstract description 19
239000002904 solvent Substances 0.000 claims abstract description 14
239000000758 substrate Substances 0.000 claims abstract description 9
238000003892 spreading Methods 0.000 claims abstract description 4
230000007480 spreading Effects 0.000 claims abstract description 4
239000012530 fluid Substances 0.000 claims description 23
239000000178 monomer Substances 0.000 claims description 19
230000005855 radiation Effects 0.000 claims description 14
229920000642 polymer Polymers 0.000 claims description 12
238000001816 cooling Methods 0.000 claims description 10
102000004169 proteins and genes Human genes 0.000 claims description 10
108090000623 proteins and genes Proteins 0.000 claims description 10
238000001179 sorption measurement Methods 0.000 claims description 10
238000010894 electron beam technology Methods 0.000 claims description 5
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
239000011248 coating agent Substances 0.000 claims description 3
238000000576 coating method Methods 0.000 claims description 3
125000005395 methacrylic acid group Chemical group 0.000 claims description 3
230000001747 exhibiting effect Effects 0.000 claims description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
238000001035 drying Methods 0.000 abstract description 9
238000005406 washing Methods 0.000 abstract description 3
238000010791 quenching Methods 0.000 abstract 2
230000000171 quenching effect Effects 0.000 abstract 1
239000000243 solution Substances 0.000 description 66
239000011148 porous material Substances 0.000 description 36
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
241000700605 Viruses Species 0.000 description 28
238000001914 filtration Methods 0.000 description 26
AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 23
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 13
238000010998 test method Methods 0.000 description 13
238000012360 testing method Methods 0.000 description 12
238000004519 manufacturing process Methods 0.000 description 11
238000000108 ultra-filtration Methods 0.000 description 11
QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical group OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 description 9
229920006395 saturated elastomer Polymers 0.000 description 9
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 8
KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 8
239000003431 cross linking reagent Substances 0.000 description 8
230000007547 defect Effects 0.000 description 8
239000000203 mixture Substances 0.000 description 8
-1 n-octanol Chemical class 0.000 description 8
239000012071 phase Substances 0.000 description 8
238000009736 wetting Methods 0.000 description 8
150000001875 compounds Chemical class 0.000 description 7
238000009826 distribution Methods 0.000 description 7
239000010408 film Substances 0.000 description 7
239000000463 material Substances 0.000 description 7
239000002245 particle Substances 0.000 description 7
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
238000006073 displacement reaction Methods 0.000 description 6
230000000694 effects Effects 0.000 description 6
238000011081 inoculation Methods 0.000 description 6
WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical group CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 5
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
102100026735 Coagulation factor VIII Human genes 0.000 description 4
101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 4
239000002202 Polyethylene glycol Substances 0.000 description 4
230000006870 function Effects 0.000 description 4
230000004048 modification Effects 0.000 description 4
238000012986 modification Methods 0.000 description 4
TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
229920001223 polyethylene glycol Polymers 0.000 description 4
229920005989 resin Polymers 0.000 description 4
239000011347 resin Substances 0.000 description 4
238000001878 scanning electron micrograph Methods 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000008367 deionised water Substances 0.000 description 3
229910021641 deionized water Inorganic materials 0.000 description 3
MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
239000002054 inoculum Substances 0.000 description 3
239000001301 oxygen Substances 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
239000008363 phosphate buffer Substances 0.000 description 3
239000002953 phosphate buffered saline Substances 0.000 description 3
OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical group OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 2
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
241000283707 Capra Species 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
230000001476 alcoholic effect Effects 0.000 description 2
239000008346 aqueous phase Substances 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
230000000875 corresponding effect Effects 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
238000010559 graft polymerization reaction Methods 0.000 description 2
ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
238000003384 imaging method Methods 0.000 description 2
238000007654 immersion Methods 0.000 description 2
ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
239000012299 nitrogen atmosphere Substances 0.000 description 2
239000012074 organic phase Substances 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
229940057847 polyethylene glycol 600 Drugs 0.000 description 2
230000008569 process Effects 0.000 description 2
238000012216 screening Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
239000012085 test solution Substances 0.000 description 2
238000011144 upstream manufacturing Methods 0.000 description 2
229920002818 (Hydroxyethyl)methacrylate Chemical group 0.000 description 1
BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
150000003923 2,5-pyrrolediones Chemical class 0.000 description 1
125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical group CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
229920002799 BoPET Polymers 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
241000991587 Enterovirus C Species 0.000 description 1
241000588724 Escherichia coli Species 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
206010073306 Exposure to radiation Diseases 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229920006370 Kynar Polymers 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
239000005041 Mylar™ Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
241000125945 Protoparvovirus Species 0.000 description 1
CIOAGBVUUVVLOB-NJFSPNSNSA-N Strontium-90 Chemical compound [90Sr] CIOAGBVUUVVLOB-NJFSPNSNSA-N 0.000 description 1
DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000001252 acrylic acid derivatives Chemical class 0.000 description 1
239000003463 adsorbent Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
125000003158 alcohol group Chemical group 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000012790 confirmation Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
150000001991 dicarboxylic acids Chemical class 0.000 description 1
150000002009 diols Chemical class 0.000 description 1
LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 1
SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
229940079593 drug Drugs 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
230000005802 health problem Effects 0.000 description 1
208000006454 hepatitis Diseases 0.000 description 1
231100000283 hepatitis Toxicity 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000007373 indentation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
VLCAYQIMSMPEBW-UHFFFAOYSA-N methyl 3-hydroxy-2-methylidenebutanoate Chemical compound COC(=O)C(=C)C(C)O VLCAYQIMSMPEBW-UHFFFAOYSA-N 0.000 description 1
239000004745 nonwoven fabric Substances 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
230000000144 pharmacologic effect Effects 0.000 description 1
229920002857 polybutadiene Polymers 0.000 description 1
229920001748 polybutylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920005862 polyol Polymers 0.000 description 1
150000003077 polyols Chemical class 0.000 description 1
229920000131 polyvinylidene Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
229960004063 propylene glycol Drugs 0.000 description 1
230000002285 radioactive effect Effects 0.000 description 1
238000000611 regression analysis Methods 0.000 description 1
230000010076 replication Effects 0.000 description 1
230000001020 rhythmical effect Effects 0.000 description 1
230000006403 short-term memory Effects 0.000 description 1
239000011877 solvent mixture Substances 0.000 description 1
210000000952 spleen Anatomy 0.000 description 1
239000010409 thin film Substances 0.000 description 1
238000004448 titration Methods 0.000 description 1
125000005590 trimellitic acid group Chemical class 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1
230000003612 virological effect Effects 0.000 description 1

Classifications

- 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
- B01D67/0095—Drying
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
- 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
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/38—Graft polymerization
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/18—Membrane materials having mixed charged functional groups

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
Transplantation (AREA)
Dispersion Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Graft Or Block Polymers (AREA)
External Artificial Organs (AREA)
Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Treatments Of Macromolecular Shaped Articles (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)

SE9404249A 1993-12-22 1994-12-07 Polyvinylidenflouridmembran SE510792C2 (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US17375593A	1993-12-22	1993-12-22
US08/327,622 US5736051A (en)	1993-12-22	1994-10-24	Polyvinylidene fluoride membrane and method for removing viruses from solutions

Publications (3)

Publication Number	Publication Date
SE9404249D0 SE9404249D0 (sv)	1994-12-07
SE9404249L SE9404249L (sv)	1995-06-23
SE510792C2 true SE510792C2 (sv)	1999-06-21

Family

ID=26869498

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9404249A SE510792C2 (sv)	1993-12-22	1994-12-07	Polyvinylidenflouridmembran

Country Status (11)

Country	Link
JP (2)	JP3178772B2 (it)
CA (1)	CA2138681C (it)
CH (1)	CH688612A5 (it)
DE (1)	DE4445973B4 (it)
DK (1)	DK144294A (it)
ES (1)	ES2109146B1 (it)
FR (1)	FR2713951B1 (it)
GB (1)	GB2285010B (it)
IT (1)	IT1267191B1 (it)
NL (1)	NL9402134A (it)
SE (1)	SE510792C2 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2322855A1 (en) *	1998-03-16	1999-09-23	Toshinori Koizumi	Microporous membrane
TW581709B (en)	1999-10-22	2004-04-01	Asahi Kasei Corp	Heat-resistant microporous film
WO2003026779A1 (en)	2001-08-01	2003-04-03	Asahi Kasei Kabushiki Kaisha	Multilayer microporous film
KR100668573B1 (ko)	2002-10-18	2007-01-16	아사히 카세이 메디칼 가부시키가이샤	친수성 미다공막
JP2009522405A (ja) *	2005-12-30	2009-06-11	スリーエムイノベイティブプロパティズカンパニー	官能化基材を作製する方法
ITMI20060601A1 (it)	2006-03-30	2007-09-30	Gvs Spa	Procedimento per la preparazione di membrane microporose in polivinilidenfluoruro pvdf
JP5026888B2 (ja) *	2007-08-14	2012-09-19	日東電工株式会社	表面に親水性ポリマーを有するフッ素樹脂成形体およびその製造方法
US9174174B2 (en)	2008-09-19	2015-11-03	Toray Industries, Inc.	Separation membrane and method for producing the same
FR3089226B1 (fr) *	2018-11-30	2021-08-06	Arkema France	Procédé de préparation de films de polymère fluoré poreux
CN114028956B (zh) *	2021-11-18	2023-05-26	浙江机电职业技术学院	反渗透膜及其制备方法和应用
CN119425396B (zh) *	2023-07-28	2025-10-24	中国科学院大连化学物理研究所	一种正电性的异质膜及制备与应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES480577A1 (es)	1978-05-15	1980-08-16	Pall Corp	Un procedimiento para preparar membranas de poliamida.
FR2600265B1 (fr) *	1986-06-20	1991-09-06	Rhone Poulenc Rech	Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene
US5019260A (en) *	1986-12-23	1991-05-28	Pall Corporation	Filtration media with low protein adsorbability
JP2898665B2 (ja) *	1989-09-28	1999-06-02	テルモ株式会社	血漿分離膜およびそれを用いた血漿分離器
US5079272A (en) *	1989-11-30	1992-01-07	Millipore Corporation	Porous membrane formed from interpenetrating polymer network having hydrophilic surface
US5198505A (en) *	1991-04-11	1993-03-30	Pall Corporation	Uniform polyvinylidene difluoride membranes
JP3369178B2 (ja) *	1992-05-06	2003-01-20	コーニング−コスター・コーポレーション	ポリフッ化ビニリデン微孔質膜およびその製造方法

1994
- 1994-12-01 GB GB9424308A patent/GB2285010B/en not_active Expired - Lifetime
- 1994-12-07 SE SE9404249A patent/SE510792C2/sv not_active IP Right Cessation
- 1994-12-07 IT IT94TO000998A patent/IT1267191B1/it active IP Right Grant
- 1994-12-13 ES ES09402529A patent/ES2109146B1/es not_active Expired - Fee Related
- 1994-12-15 NL NL9402134A patent/NL9402134A/nl active Search and Examination
- 1994-12-19 DK DK144294A patent/DK144294A/da not_active Application Discontinuation
- 1994-12-20 FR FR9415340A patent/FR2713951B1/fr not_active Expired - Lifetime
- 1994-12-21 CH CH03856/94A patent/CH688612A5/fr not_active IP Right Cessation
- 1994-12-21 CA CA002138681A patent/CA2138681C/en not_active Expired - Lifetime
- 1994-12-22 DE DE4445973A patent/DE4445973B4/de not_active Expired - Lifetime
- 1994-12-22 JP JP33615794A patent/JP3178772B2/ja not_active Expired - Lifetime
2000
- 2000-10-24 JP JP2000324381A patent/JP3443735B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2138681A1 (en)	1995-06-23
JP3178772B2 (ja)	2001-06-25
JP3443735B2 (ja)	2003-09-08
CA2138681C (en)	2001-08-14
SE9404249D0 (sv)	1994-12-07
ITTO940998A1 (it)	1996-06-07
DE4445973B4 (de)	2006-06-29
GB2285010B (en)	1997-11-19
DE4445973A1 (de)	1995-06-29
GB9424308D0 (en)	1995-01-18
NL9402134A (nl)	1995-07-17
JPH07265674A (ja)	1995-10-17
CH688612A5 (fr)	1997-12-15
JP2001187325A (ja)	2001-07-10
ES2109146B1 (es)	1998-08-16
DK144294A (da)	1995-06-23
GB2285010A (en)	1995-06-28
SE9404249L (sv)	1995-06-23
FR2713951A1 (fr)	1995-06-23
ES2109146A1 (es)	1998-01-01
IT1267191B1 (it)	1997-01-28
ITTO940998A0 (it)	1994-12-07
FR2713951B1 (fr)	1996-12-06

Legal Events

Date	Code	Title	Description
2005-08-02	NUG	Patent has lapsed

Publication	Publication Date	Title
US5736051A (en)	1998-04-07	Polyvinylidene fluoride membrane and method for removing viruses from solutions
US5236588A (en)	1993-08-17	Asymmetric polymer membrane and preparation thereof
EP0430082A2 (en)	1991-06-05	Porous membrane formed from an interpenetrating polymer network having hydrophilic surface
US20030038081A1 (en)	2003-02-27	High strength asymmetric cellulosic membrane
JP2008272636A (ja)	2008-11-13	多層微多孔膜
JP5909765B2 (ja)	2016-04-27	高スループットの膜
EP3765178A1 (en)	2021-01-20	Free standing pleatable block copolymer materials and method of making the same
CA2138681C (en)	2001-08-14	Polyvinylidene fluoride membrane
JP2006503685A (ja)	2006-02-02	複数層膜及びその製作方法
JP4265701B2 (ja)	2009-05-20	ポリスルホン系多孔質膜
AU5613700A (en)	2001-02-05	Polyvinylidene difluoride membranes and methods for making such membranes
TWI637988B (zh)	2018-10-11	經塗佈ｐｔｆｅ膜
WO2013159855A1 (de)	2013-10-31	Filterelement mit verbesserter prüfbarkeit nach trockenem bedampfen
JP7351064B2 (ja)	2023-09-27	濃縮膜
CN117732282A (zh)	2024-03-22	一种聚偏二氟乙烯分离膜及其制备方法和应用
CN116272431A (zh)	2023-06-23	一种湿度感应小孔层厚度可控超滤膜的制备方法和超滤设备
DE60037262T2 (de)	2008-11-27	Vorrichtung und Membran zur Entfernung von Viren
JP4855414B2 (ja)	2012-01-18	スキンレス多孔膜とその製造方法
CN117358075A (zh)	2024-01-09	一种高耐压pes滤膜及其制备工艺
JP4882518B2 (ja)	2012-02-22	医療用分離膜および医療用分離膜モジュールの製造方法
CN116212657A (zh)	2023-06-06	一种低特异性吸附的除病毒超滤膜的制备方法和除病毒超滤设备
CN121927444A (zh)	2026-04-28	一种聚合物过滤膜的制备方法、聚合物过滤膜及过滤装置
Pisco	2009	Assessment of Protein Fouling in Poly (ether sulfone) Membranes following Radiation-induced Surface Modification
Amanda	2000	Heat-treated poly (vinyl alcohol) membranes for bioseparations