WO2005014151A1 - Procede de preparation de membrane a fibres creuses de poly(fluorure de vinylidene) du type a pression externe filee par un procede d'immersion-coagulation, et produit obtenu - Google Patents
Procede de preparation de membrane a fibres creuses de poly(fluorure de vinylidene) du type a pression externe filee par un procede d'immersion-coagulation, et produit obtenu Download PDFInfo
- Publication number
- WO2005014151A1 WO2005014151A1 PCT/CN2004/000899 CN2004000899W WO2005014151A1 WO 2005014151 A1 WO2005014151 A1 WO 2005014151A1 CN 2004000899 W CN2004000899 W CN 2004000899W WO 2005014151 A1 WO2005014151 A1 WO 2005014151A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyvinylidene fluoride
- hollow fiber
- fiber membrane
- membrane
- immersion
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 97
- 229920002981 polyvinylidene fluoride Polymers 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 238000005345 coagulation Methods 0.000 title abstract 4
- -1 poly(vinylidene fluoride) Polymers 0.000 title abstract 4
- 238000007654 immersion Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000009987 spinning Methods 0.000 claims abstract description 13
- 230000004907 flux Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract 2
- 230000006835 compression Effects 0.000 claims abstract 2
- 239000002033 PVDF binder Substances 0.000 claims description 75
- 239000002904 solvent Substances 0.000 claims description 34
- 239000011148 porous material Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 239000006259 organic additive Substances 0.000 claims description 18
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 14
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 14
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000108 ultra-filtration Methods 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003995 emulsifying agent Substances 0.000 claims description 9
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 8
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 230000003511 endothelial effect Effects 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001891 gel spinning Methods 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 101000720704 Homo sapiens Neuronal migration protein doublecortin Proteins 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 102100025929 Neuronal migration protein doublecortin Human genes 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000009472 formulation Methods 0.000 abstract description 5
- 238000005191 phase separation Methods 0.000 abstract description 5
- 230000015271 coagulation Effects 0.000 abstract 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 22
- 239000011347 resin Substances 0.000 description 17
- 229920005989 resin Polymers 0.000 description 17
- 239000003361 porogen Substances 0.000 description 9
- 238000000635 electron micrograph Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 229920002556 Polyethylene Glycol 300 Polymers 0.000 description 1
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 description 1
- GCPWJFKTWGFEHH-UHFFFAOYSA-N acetoacetamide Chemical compound CC(=O)CC(N)=O GCPWJFKTWGFEHH-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- 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
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
-
- 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
- B01D67/0018—Thermally induced processes [TIPS]
-
- 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
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
-
- 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
- B01D69/087—Details relating to the spinning process
-
- 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
- B01D69/087—Details relating to the spinning process
- B01D69/0871—Fibre guidance after spinning through the manufacturing apparatus
-
- 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
-
- 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
-
- 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
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/32—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising halogenated hydrocarbons as the major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/06—Specific viscosities of materials involved
-
- 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
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/026—Sponge structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/34—Molecular weight or degree of polymerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04762036A EP1669128A4 (en) | 2003-08-06 | 2004-08-05 | PREPARATION METHOD FOR PUNCTURED EXO PRINT POLY (VINYLIDENFLUORIDE) WOOD FIBER MEMBRANE USING A DIPPING COAGULATION METHOD AND PRODUCT THEREFROM |
US10/567,413 US20080210624A1 (en) | 2003-08-06 | 2004-08-05 | The Preparation Method Of Exo-Pressure Type Poly(Vinylidene Fluoride) Hollow Fiber Membrane Spinned Utilizing A Immersion-Coagulation Method And The Product Thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN03142158 | 2003-08-06 | ||
CN03142158.X | 2003-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005014151A1 true WO2005014151A1 (fr) | 2005-02-17 |
Family
ID=34121279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2004/000899 WO2005014151A1 (fr) | 2003-08-06 | 2004-08-05 | Procede de preparation de membrane a fibres creuses de poly(fluorure de vinylidene) du type a pression externe filee par un procede d'immersion-coagulation, et produit obtenu |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080210624A1 (zh) |
EP (1) | EP1669128A4 (zh) |
WO (1) | WO2005014151A1 (zh) |
Cited By (3)
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KR20070103187A (ko) * | 2006-04-18 | 2007-10-23 | 명지대학교 산학협력단 | 폴리불화비닐리덴계 다공성 중공사막 및 이의 제조방법 |
US7743929B2 (en) * | 2000-05-24 | 2010-06-29 | Millipore Corporation | Process of forming multilayered structures |
CN105056774A (zh) * | 2015-08-10 | 2015-11-18 | 四川大学 | 兼具抗菌抗污染功能的中空纤维超滤膜及其制备方法 |
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US8931647B2 (en) * | 2006-04-19 | 2015-01-13 | Asahi Kasei Chemicals Corporation | Highly durable porous PVDF film, method of producing the same and washing method and filtration method using the same |
US20120247327A1 (en) * | 2010-09-27 | 2012-10-04 | Conocophillips Company | Hollow-fiber membrane contactors |
CN102029114A (zh) * | 2010-11-22 | 2011-04-27 | 杭州卫士环保科技有限公司 | 一种亲水性的中空纤维膜及其制备方法 |
RU2013132357A (ru) * | 2010-12-13 | 2015-01-20 | Зингента Партисипейшнс Аг | Cry1I БЕЛКИ И ГЕНЫ ДЛЯ БОРЬБЫ С НАСЕКОМЫМИ |
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CN1128176A (zh) * | 1995-11-24 | 1996-08-07 | 天津纺织工学院膜天膜技术工程公司 | 聚偏氟乙烯中空纤维多孔膜制法 |
CN1203119A (zh) * | 1998-07-20 | 1998-12-30 | 天津纺织工学院膜天膜技术工程公司 | 聚偏氟乙烯中空纤维多孔膜制法及产品 |
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- 2004-08-05 WO PCT/CN2004/000899 patent/WO2005014151A1/zh active Application Filing
- 2004-08-05 US US10/567,413 patent/US20080210624A1/en not_active Abandoned
- 2004-08-05 EP EP04762036A patent/EP1669128A4/en not_active Withdrawn
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CN1128176A (zh) * | 1995-11-24 | 1996-08-07 | 天津纺织工学院膜天膜技术工程公司 | 聚偏氟乙烯中空纤维多孔膜制法 |
WO1999067013A1 (fr) * | 1996-12-10 | 1999-12-29 | Asahi Kasei Kogyo Kabushiki Kaisha | Film poreux d'une resine de fluorure de polyvinylidene et son procede de production |
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US7743929B2 (en) * | 2000-05-24 | 2010-06-29 | Millipore Corporation | Process of forming multilayered structures |
US7891500B2 (en) | 2000-05-24 | 2011-02-22 | Millipore Corporation | Process of forming multilayered structures |
KR20070103187A (ko) * | 2006-04-18 | 2007-10-23 | 명지대학교 산학협력단 | 폴리불화비닐리덴계 다공성 중공사막 및 이의 제조방법 |
CN105056774A (zh) * | 2015-08-10 | 2015-11-18 | 四川大学 | 兼具抗菌抗污染功能的中空纤维超滤膜及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1669128A1 (en) | 2006-06-14 |
US20080210624A1 (en) | 2008-09-04 |
EP1669128A4 (en) | 2006-10-04 |
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