JP4221154B2 - 高多孔性のポリ二弗化ビニリデン膜の製造方法 - Google Patents
高多孔性のポリ二弗化ビニリデン膜の製造方法 Download PDFInfo
- Publication number
- JP4221154B2 JP4221154B2 JP2000549364A JP2000549364A JP4221154B2 JP 4221154 B2 JP4221154 B2 JP 4221154B2 JP 2000549364 A JP2000549364 A JP 2000549364A JP 2000549364 A JP2000549364 A JP 2000549364A JP 4221154 B2 JP4221154 B2 JP 4221154B2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- polymer
- pvdf
- casting
- membranes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920002981 polyvinylidene fluoride Polymers 0.000 title claims description 106
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000012528 membrane Substances 0.000 claims description 419
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 238000005266 casting Methods 0.000 claims description 73
- 239000002904 solvent Substances 0.000 claims description 62
- 229920000642 polymer Polymers 0.000 claims description 48
- 239000010408 film Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 45
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 36
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 36
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 24
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 8
- 229920006254 polymer film Polymers 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 description 129
- 239000000203 mixture Substances 0.000 description 45
- 238000010791 quenching Methods 0.000 description 27
- 239000000243 solution Substances 0.000 description 27
- 238000004626 scanning electron microscopy Methods 0.000 description 26
- 238000009472 formulation Methods 0.000 description 25
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 24
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 19
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 19
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 19
- 239000012071 phase Substances 0.000 description 18
- 230000000171 quenching effect Effects 0.000 description 16
- -1 polypropylene Polymers 0.000 description 13
- 239000000499 gel Substances 0.000 description 12
- 229920005597 polymer membrane Polymers 0.000 description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 230000002209 hydrophobic effect Effects 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 238000005345 coagulation Methods 0.000 description 10
- 230000015271 coagulation Effects 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 230000004907 flux Effects 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 239000002861 polymer material Substances 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 8
- 101100168642 Arabidopsis thaliana CRN gene Proteins 0.000 description 7
- 101100045632 Arabidopsis thaliana TCX2 gene Proteins 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 101150103732 sol2 gene Proteins 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 238000011041 water permeability test Methods 0.000 description 7
- 239000000080 wetting agent Substances 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 239000012510 hollow fiber Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 101100045633 Arabidopsis thaliana TCX3 gene Proteins 0.000 description 5
- 101150037491 SOL1 gene Proteins 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 238000002386 leaching Methods 0.000 description 5
- 238000001471 micro-filtration Methods 0.000 description 5
- 150000003457 sulfones Chemical class 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 5
- 239000011800 void material Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 229920007485 Kynar® 761 Polymers 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 125000003821 2-(trimethylsilyl)ethoxymethyl group Chemical group [H]C([H])([H])[Si](C([H])([H])[H])(C([H])([H])[H])C([H])([H])C(OC([H])([H])[*])([H])[H] 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-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
- 239000004677 Nylon Substances 0.000 description 3
- 235000010724 Wisteria floribunda Nutrition 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002492 poly(sulfone) Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- QPRQEDXDYOZYLA-UHFFFAOYSA-N 2-methylbutan-1-ol Chemical compound CCC(C)CO QPRQEDXDYOZYLA-UHFFFAOYSA-N 0.000 description 2
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000131 polyvinylidene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 2
- TZYRSLHNPKPEFV-UHFFFAOYSA-N 2-ethyl-1-butanol Chemical compound CCC(CC)CO TZYRSLHNPKPEFV-UHFFFAOYSA-N 0.000 description 1
- 101100412856 Mus musculus Rhod gene Proteins 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
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
- B01D71/30—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
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
- B01D39/1653—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin
-
- 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
- B01D67/0013—Casting processes
-
- 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
- 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
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0421—Rendering the filter material hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
- B01D2239/0428—Rendering the filter material hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0668—The layers being joined by heat or melt-bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0686—More than one layer present in the filtering material by spot-gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1216—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
-
- 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
- B01D2323/40—Details relating to membrane preparation in-situ membrane formation
-
- 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
- B01D2325/022—Asymmetric membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249961—With gradual property change within a component
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- 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)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/080,713 | 1998-05-18 | ||
| US09/080,713 US6146747A (en) | 1997-01-22 | 1998-05-18 | Highly porous polyvinylidene difluoride membranes |
| PCT/US1999/011004 WO1999059707A1 (en) | 1998-05-18 | 1999-05-18 | Highly porous polyvinylidene difluoride membranes |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008260836A Division JP4601699B2 (ja) | 1998-05-18 | 2008-10-07 | 高多孔性のポリ二弗化ビニリデン膜 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002515322A JP2002515322A (ja) | 2002-05-28 |
| JP2002515322A5 JP2002515322A5 (enExample) | 2008-01-24 |
| JP4221154B2 true JP4221154B2 (ja) | 2009-02-12 |
Family
ID=22159141
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000549364A Expired - Lifetime JP4221154B2 (ja) | 1998-05-18 | 1999-05-18 | 高多孔性のポリ二弗化ビニリデン膜の製造方法 |
| JP2008260836A Expired - Lifetime JP4601699B2 (ja) | 1998-05-18 | 2008-10-07 | 高多孔性のポリ二弗化ビニリデン膜 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008260836A Expired - Lifetime JP4601699B2 (ja) | 1998-05-18 | 2008-10-07 | 高多孔性のポリ二弗化ビニリデン膜 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6146747A (enExample) |
| EP (1) | EP1009517A1 (enExample) |
| JP (2) | JP4221154B2 (enExample) |
| AU (1) | AU4002999A (enExample) |
| CA (1) | CA2292916A1 (enExample) |
| WO (1) | WO1999059707A1 (enExample) |
Families Citing this family (142)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6045899A (en) * | 1996-12-12 | 2000-04-04 | Usf Filtration & Separations Group, Inc. | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
| CN1134286C (zh) | 1996-12-20 | 2004-01-14 | Usf过滤分离集团公司 | 净化方法 |
| US7144505B2 (en) * | 1997-09-18 | 2006-12-05 | Baxter International Inc. | Melt-spun polysulfone semipermeable membranes and methods for making the same |
| US6641733B2 (en) | 1998-09-25 | 2003-11-04 | U. S. Filter Wastewater Group, Inc. | Apparatus and method for cleaning membrane filtration modules |
| AUPP985099A0 (en) | 1999-04-20 | 1999-05-13 | Usf Filtration And Separations Group Inc. | Membrane filtration manifold system |
| AUPQ680100A0 (en) | 2000-04-10 | 2000-05-11 | Usf Filtration And Separations Group Inc. | Hollow fibre restraining system |
| US7942274B2 (en) * | 2000-05-24 | 2011-05-17 | Millipore Corporation | High-throughput asymmetric membrane |
| US7229665B2 (en) * | 2001-05-22 | 2007-06-12 | Millipore Corporation | Process of forming multilayered structures |
| DE60127593T2 (de) * | 2000-05-24 | 2007-12-13 | Millipore Corp., Billerica | Verfahren zur Herstellung von Membranen und die damit hergestellten Membranen |
| AU2001264880A1 (en) | 2000-05-24 | 2001-12-03 | The Texas A And M University System | Degumming of edible oils by ultrafiltration |
| US6706184B2 (en) * | 2000-08-07 | 2004-03-16 | Cuno Incorporated | Unsupported multizone microporous membrane |
| US6994789B2 (en) * | 2000-08-07 | 2006-02-07 | Cuno Incorporated | Pre-metered, unsupported multilayer microporous membrane |
| US6736971B2 (en) * | 2000-08-07 | 2004-05-18 | Cuno Incorporated | Pre-metered, unsupported multilayer microporous membrane |
| AUPR064800A0 (en) | 2000-10-09 | 2000-11-02 | Usf Filtration And Separations Group Inc. | Improved membrane filtration system |
| WO2002034375A1 (en) * | 2000-10-20 | 2002-05-02 | Usf Filtration And Separations Group Inc. | Laminates of asymmetric membranes |
| AUPR143400A0 (en) | 2000-11-13 | 2000-12-07 | Usf Filtration And Separations Group Inc. | Modified membranes |
| ITMI20010383A1 (it) * | 2001-02-26 | 2002-08-26 | Ausimont Spa | Membrane idrofiliche porose |
| US6596167B2 (en) * | 2001-03-26 | 2003-07-22 | Koch Membrane Systems, Inc. | Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
| AUPR421501A0 (en) | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
| AUPR584301A0 (en) | 2001-06-20 | 2001-07-12 | U.S. Filter Wastewater Group, Inc. | Membrane polymer compositions |
| AUPR692401A0 (en) | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
| AUPR774201A0 (en) | 2001-09-18 | 2001-10-11 | U.S. Filter Wastewater Group, Inc. | High solids module |
| DE60213184T2 (de) | 2001-11-16 | 2007-06-28 | U.S. Filter Wastewater Group, Inc. | Methode zur Reinigung von Membranen |
| US7247238B2 (en) | 2002-02-12 | 2007-07-24 | Siemens Water Technologies Corp. | Poly(ethylene chlorotrifluoroethylene) membranes |
| AUPS300602A0 (en) | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
| WO2004033078A1 (en) | 2002-10-10 | 2004-04-22 | U.S. Filter Wastewater Group, Inc. | Backwash method |
| AU2002953111A0 (en) | 2002-12-05 | 2002-12-19 | U. S. Filter Wastewater Group, Inc. | Mixing chamber |
| ATE395127T1 (de) * | 2003-03-05 | 2008-05-15 | Hydranautics | Tauchbares membranmodul mit austauschbaren membranelementen |
| US20040256310A1 (en) * | 2003-06-19 | 2004-12-23 | Cheng Dah Yu | Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane |
| AU2003903507A0 (en) | 2003-07-08 | 2003-07-24 | U. S. Filter Wastewater Group, Inc. | Membrane post-treatment |
| US7165682B1 (en) * | 2003-07-16 | 2007-01-23 | Accord Partner Limited | Defect free composite membranes, method for producing said membranes and use of the same |
| EP1669128A4 (en) * | 2003-08-06 | 2006-10-04 | Zhejiang Omex Environmental En | PREPARATION METHOD FOR PUNCTURED EXO PRINT POLY (VINYLIDENFLUORIDE) WOOD FIBER MEMBRANE USING A DIPPING COAGULATION METHOD AND PRODUCT THEREFROM |
| US7172075B1 (en) * | 2003-08-08 | 2007-02-06 | Accord Partner Limited | Defect free composite membranes, method for producing said membranes and use of the same |
| CA2535360C (en) | 2003-08-29 | 2013-02-12 | U.S. Filter Wastewater Group, Inc. | Backwash |
| US7517581B2 (en) * | 2003-09-26 | 2009-04-14 | Parker-Hannifin Corporation | Semipermeable hydrophilic membrane |
| CA2544626C (en) | 2003-11-14 | 2016-01-26 | U.S. Filter Wastewater Group, Inc. | Closed aeration and backwash device for use with membrane filtration module |
| US20100166961A1 (en) * | 2004-01-20 | 2010-07-01 | Beard Kirby W | Production of high porosity open-cell membranes |
| WO2005092799A1 (en) | 2004-03-26 | 2005-10-06 | U.S. Filter Wastewater Group, Inc. | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
| AU2005240524C1 (en) | 2004-04-22 | 2009-12-24 | Evoqua Water Technologies Llc | Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials |
| US20080004205A1 (en) | 2006-06-30 | 2008-01-03 | Millipore Corporation | Ultrafiltration membranes and methods of making |
| CA2571498A1 (en) | 2004-07-02 | 2006-01-12 | U.S. Filter Wastewater Group, Inc. | Gas transfer membrane |
| JP2008505197A (ja) | 2004-07-05 | 2008-02-21 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 親水性膜 |
| NZ588094A (en) | 2004-08-20 | 2012-04-27 | Siemens Water Tech Corp | Potting head for hollow fibre filter module |
| US8790515B2 (en) | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
| NZ553742A (en) | 2004-09-14 | 2010-09-30 | Siemens Water Tech Corp | Methods and apparatus for removing solids from a membrane module |
| US8377305B2 (en) | 2004-09-15 | 2013-02-19 | Siemens Industry, Inc. | Continuously variable aeration |
| US7591950B2 (en) | 2004-11-02 | 2009-09-22 | Siemens Water Technologies Corp. | Submerged cross-flow filtration |
| MY141919A (en) | 2004-12-03 | 2010-07-30 | Siemens Water Tech Corp | Membrane post treatment |
| NZ555987A (en) | 2004-12-24 | 2009-08-28 | Siemens Water Tech Corp | Simple gas scouring method and apparatus |
| CA2591408C (en) | 2004-12-24 | 2015-07-21 | Siemens Water Technologies Corp. | Cleaning in membrane filtration systems |
| WO2006116797A1 (en) | 2005-04-29 | 2006-11-09 | Siemens Water Technologies Corp. | Chemical clean for membrane filter |
| KR20080031956A (ko) | 2005-07-14 | 2008-04-11 | 지멘스 워터 테크놀로지스 코포레이션 | 막의 모노퍼술페이트 처리 방법 |
| EP1945333B1 (en) | 2005-08-22 | 2011-06-08 | Siemens Industry, Inc. | An assembly for water filtration to minimise backwash volume |
| WO2007044415A2 (en) | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and apparatus for treating wastewater |
| US7563363B2 (en) | 2005-10-05 | 2009-07-21 | Siemens Water Technologies Corp. | System for treating wastewater |
| US7455765B2 (en) | 2006-01-25 | 2008-11-25 | Siemens Water Technologies Corp. | Wastewater treatment system and method |
| WO2007147167A2 (en) * | 2006-06-16 | 2007-12-21 | Porous Power Technologies, Llc | Optimized microporous structure of electrochemical cells |
| EP2047898B1 (en) * | 2006-07-25 | 2014-11-05 | Toray Industries, Inc. | Fluororesin polymer separation membrane and processes for producing the same |
| US7678716B2 (en) * | 2006-08-31 | 2010-03-16 | Kimberly-Clark Worldwide, Inc. | Hydrogel-web composites for thermal energy transfer applications and methods of making the same |
| US20080057811A1 (en) * | 2006-08-31 | 2008-03-06 | Kimberly-Clark Worldwide, Inc. | Multifunctional hydrogel-web composites for enhanced absorbency applications and methods of making the same |
| WO2008051546A2 (en) | 2006-10-24 | 2008-05-02 | Siemens Water Technologies Corp. | Infiltration/inflow control for membrane bioreactor |
| JP2010516457A (ja) * | 2007-01-24 | 2010-05-20 | ワットマン インコーポレイテッド | 修飾多孔質膜、膜の細孔の修飾方法、及びその使用法 |
| CN100450598C (zh) * | 2007-03-06 | 2009-01-14 | 天津大学 | 制备力学性能良好的pvdf超细纤维膜的方法 |
| EP2129629A1 (en) | 2007-04-02 | 2009-12-09 | Siemens Water Technologies Corp. | Improved infiltration/inflow control for membrane bioreactor |
| US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
| DE102007019051B3 (de) * | 2007-04-23 | 2008-10-09 | Fresenius Medical Care Deutschland Gmbh | Hohlfaserkapillarmembran und Verfahren zu deren Herstellung |
| CN106040002B (zh) | 2007-05-29 | 2020-01-10 | 懿华水处理技术有限责任公司 | 使用脉冲气提泵的膜清洗 |
| US20090208832A1 (en) * | 2008-02-17 | 2009-08-20 | Porous Power Technologies, Llc | Lamination Configurations for Battery Applications Using PVDF Highly Porous Film |
| US20090227163A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Protective Apparel with Porous Material Layer |
| US20090223155A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Building Construction Applications for Porous Material |
| US20090226683A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Porous Material Uses in Furniture |
| US20090222995A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Bedding Applications for Porous Material |
| CA2731774A1 (en) | 2008-07-24 | 2010-01-28 | Siemens Water Technologies Corp. | Frame system for membrane filtration modules |
| US8652331B2 (en) | 2008-08-20 | 2014-02-18 | Siemens Water Technologies Llc | Membrane system backwash energy efficiency |
| JP5496901B2 (ja) * | 2008-09-26 | 2014-05-21 | 旭化成ケミカルズ株式会社 | 清澄化されたバイオ医薬培養液を製造するための多孔質中空糸膜の使用 |
| KR101714535B1 (ko) | 2008-12-22 | 2017-03-09 | 삼성전자주식회사 | 탈이온화 장치 및 그 제어방법 |
| US20100178567A1 (en) * | 2008-12-24 | 2010-07-15 | Porous Power Technologies, Llc | Mat Forming Spacers in Microporous Membrane Matrix |
| JP2012527738A (ja) * | 2009-05-20 | 2012-11-08 | ポーラス パワー テクノロジーズ,エルエルシー | 微多孔膜の処理と接着剤 |
| AU2010101488B4 (en) | 2009-06-11 | 2013-05-02 | Evoqua Water Technologies Llc | Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane |
| JP5569393B2 (ja) * | 2009-07-22 | 2014-08-13 | 三菱レイヨン株式会社 | 多孔質膜の製造方法 |
| KR101752981B1 (ko) * | 2010-04-05 | 2017-07-03 | 미쯔비시 케미컬 주식회사 | 다공질막의 제조 방법 |
| CN101890304B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 一种具有三维互穿网络的多孔膜及制法 |
| CN101879417B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 含有pmma的中空纤维膜及其制法 |
| CN101890303B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 一种具有非对称结构的中空纤维膜及制法 |
| CN101890309B (zh) * | 2010-04-23 | 2012-11-14 | 苏州膜华材料科技有限公司 | 一种热致相法制备中空纤维膜的方法 |
| CN101890307B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 一种具有密度梯度孔的中空纤维膜及制法 |
| CN101890308B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 一种外压式中空纤维超滤膜及制法 |
| CN101920173B (zh) * | 2010-04-23 | 2011-11-23 | 苏州膜华材料科技有限公司 | 以乙二醇碳酸酯和二甘醇为稀释剂的超滤膜及其制法 |
| HUE045642T2 (hu) | 2010-04-30 | 2020-01-28 | Evoqua Water Tech Llc | Folyadékáramlás elosztó készülék |
| CN103118766B (zh) | 2010-09-24 | 2016-04-13 | 伊沃夸水处理技术有限责任公司 | 膜过滤系统的流体控制歧管 |
| KR20120089782A (ko) | 2010-12-15 | 2012-08-13 | 삼성전자주식회사 | 휴대용 단말의 메시지 관리를 위한 인터페이스 방법 |
| CN102151496B (zh) * | 2011-01-20 | 2013-04-03 | 成都市青白江区富发膜过滤器材有限公司 | 聚乙烯醇缩甲醛(pvf)微滤膜的制备方法 |
| US8840791B2 (en) | 2011-09-01 | 2014-09-23 | Pall Corporation | Multilayer microfiltration membrane |
| KR101907725B1 (ko) | 2011-09-23 | 2018-10-12 | 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 | 표면 개질된 플루오로 중합체 막 및 이의 제조 방법 |
| CN103958034B (zh) | 2011-09-30 | 2017-03-22 | 伊沃夸水处理技术有限责任公司 | 隔离阀 |
| KR101964484B1 (ko) | 2011-09-30 | 2019-04-01 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 개선된 매니폴드 배열 |
| KR101462939B1 (ko) * | 2011-11-16 | 2014-11-19 | 엘지전자 주식회사 | 친수성 폴리불화비닐리덴계 중공사 분리막 및 이의 제조방법 |
| US9005496B2 (en) | 2012-02-01 | 2015-04-14 | Pall Corporation | Asymmetric membranes |
| CN102600733B (zh) * | 2012-03-28 | 2014-03-19 | 天津工业大学 | 一种同质增强型聚偏氟乙烯中空纤维膜的制备方法 |
| US9248414B2 (en) | 2012-03-30 | 2016-02-02 | Pall Corporation | Large pore polymeric membrane |
| US20130264277A1 (en) | 2012-04-04 | 2013-10-10 | Pall Corporation | Antimicrobial filter |
| AU2013280452B2 (en) | 2012-06-28 | 2017-07-20 | Evoqua Water Technologies Llc | A potting method |
| US9764289B2 (en) | 2012-09-26 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane securement device |
| AU2013231145B2 (en) | 2012-09-26 | 2017-08-17 | Evoqua Water Technologies Llc | Membrane potting methods |
| US9815027B2 (en) | 2012-09-27 | 2017-11-14 | Evoqua Water Technologies Llc | Gas scouring apparatus for immersed membranes |
| US10898865B2 (en) * | 2013-01-31 | 2021-01-26 | American University In Cairo (AUC) | Polymer-carbon nanotube nanocomposite porous membranes |
| JP3183331U (ja) * | 2013-02-22 | 2013-05-16 | 紀男 池山 | 外圧式中空糸膜の構造 |
| US20140339164A1 (en) * | 2013-05-14 | 2014-11-20 | Pall Corporation | High throughput membrane |
| US20140339165A1 (en) | 2013-05-14 | 2014-11-20 | Pall Corporation | High throughput membrane with rough surface |
| US9782730B2 (en) * | 2013-05-14 | 2017-10-10 | Honeywell International Inc. | 1234YF- and 1234ZE-based polymeric membrane materials, membrane preparations and uses thereof |
| US9808770B2 (en) | 2013-05-14 | 2017-11-07 | Pall Corporation | High throughput membrane with channels |
| KR102205185B1 (ko) * | 2013-05-29 | 2021-01-20 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 미세다공성 폴리비닐리덴 플루오라이드 막 |
| KR102031142B1 (ko) | 2013-07-12 | 2019-10-11 | 삼성전자주식회사 | 영상 디스플레이를 제어하는 전자 장치 및 방법 |
| CN105392553B (zh) * | 2013-07-18 | 2017-06-23 | 可乐丽股份有限公司 | 亲水化偏二氟乙烯类多孔中空纤维膜及其制造方法 |
| HUE061765T2 (hu) | 2013-10-02 | 2023-08-28 | Rohm & Haas Electronic Mat Singapore Pte Ltd | Berendezés membrán filtrációs modul javítására |
| US10294267B2 (en) | 2013-12-04 | 2019-05-21 | Pall Corporation | Membrane with surface channels |
| US20150190760A1 (en) | 2014-01-06 | 2015-07-09 | Pall Corporation | Membrane with plurality of charges |
| US9610548B2 (en) | 2014-02-28 | 2017-04-04 | Pall Corporation | Composite porous polymeric membrane with high void volume |
| US9737860B2 (en) | 2014-02-28 | 2017-08-22 | Pall Corporation | Hollow fiber membrane having hexagonal voids |
| US9776142B2 (en) | 2014-02-28 | 2017-10-03 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9446355B2 (en) | 2014-02-28 | 2016-09-20 | Pall Corporation | Porous polymeric membrane with high void volume |
| US20150246320A1 (en) | 2014-02-28 | 2015-09-03 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9764292B2 (en) | 2014-02-28 | 2017-09-19 | Pall Corporation | Porous polymeric membrane with high void volume |
| US9302228B2 (en) | 2014-02-28 | 2016-04-05 | Pall Corporation | Charged porous polymeric membrane with high void volume |
| US9561473B2 (en) | 2014-02-28 | 2017-02-07 | Pall Corporation | Charged hollow fiber membrane having hexagonal voids |
| JP6644674B2 (ja) * | 2014-03-26 | 2020-02-12 | 株式会社クラレ | 中空糸膜、及び中空糸膜の製造方法 |
| US9469737B2 (en) | 2014-08-20 | 2016-10-18 | Pall Corporation | Robust polymeric membrane |
| JP6728202B2 (ja) | 2014-11-03 | 2020-07-22 | スリーエム イノベイティブ プロパティズ カンパニー | ポリフッ化ビニリデンの微多孔質平膜 |
| US10632426B2 (en) | 2015-04-17 | 2020-04-28 | Georgia Tech Research Corporation | Hollow fiber membranes for solubilizing a gas into a liquid, devices for same, and processes of same |
| US10239023B2 (en) | 2015-06-25 | 2019-03-26 | Pall Corporation | Self-wetting porous membranes (II) |
| US9724649B2 (en) | 2015-06-25 | 2017-08-08 | Pall Corporation | Self-wetting porous membranes (I) |
| WO2017011068A1 (en) | 2015-07-14 | 2017-01-19 | Evoqua Water Technologies Llc | Aeration device for filtration system |
| CN105536571A (zh) * | 2015-12-25 | 2016-05-04 | 成都美富特膜科技有限公司 | 一种用于制作碟片式膜片的铸膜液 |
| CN108211808B (zh) * | 2017-12-13 | 2020-12-08 | 浙江长兴求是膜技术有限公司 | 一种食品级聚偏氟乙烯膜及其制造方法 |
| CN107974754A (zh) * | 2017-12-27 | 2018-05-01 | 安徽六顺创业特种滤材有限公司 | 一种聚四氟乙烯纤维滤布及其生产工艺 |
| CN109251765B (zh) * | 2018-10-31 | 2020-05-05 | 中国石油大学(华东) | 一种石脑油中提取有机硫化物的聚氨酯/聚偏氟乙烯复合膜及其制备方法 |
| JP7424768B2 (ja) * | 2019-08-08 | 2024-01-30 | 株式会社フジミインコーポレーテッド | 研磨用添加剤含有液の濾過方法、研磨用添加剤含有液、研磨用組成物、研磨用組成物の製造方法およびフィルタ |
| CN110652888B (zh) * | 2019-11-13 | 2021-09-17 | 湖北瑞滤膜科技有限公司 | 带内衬低压自流型聚偏氟乙烯中空纤维复合膜及制备方法 |
| US20210316173A1 (en) * | 2020-04-09 | 2021-10-14 | Nile Hudson LLC | Face Mask With Replaceable Filter |
| CN114345138B (zh) * | 2022-01-12 | 2022-10-25 | 苏州名列膜材料有限公司 | 非对称平板微孔膜的铸膜液及pvdf平板微孔膜制备方法 |
| CN116747721A (zh) * | 2023-06-09 | 2023-09-15 | 浙江泰林生命科学有限公司 | 结构可控非对称复合超滤膜、制备方法及其应用 |
| CN117482752B (zh) * | 2024-01-02 | 2024-04-19 | 赛普(杭州)过滤科技有限公司 | 一种各向异性微滤膜及其制备方法和应用 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
| US4203848A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Processes of making a porous membrane material from polyvinylidene fluoride, and products |
| JPS5656202A (en) * | 1979-10-15 | 1981-05-18 | Asahi Chem Ind Co Ltd | Hollow porous membrane yarn made of polyvinylidene fluoride type resin |
| US4629563B1 (en) * | 1980-03-14 | 1997-06-03 | Memtec North America | Asymmetric membranes |
| US4774039A (en) * | 1980-03-14 | 1988-09-27 | Brunswick Corporation | Dispersing casting of integral skinned highly asymmetric polymer membranes |
| US4384047A (en) * | 1980-03-28 | 1983-05-17 | Pennwalt Corporation | Porous vinylidene fluoride polymer membrane and process for its preparation |
| DE3481817D1 (de) * | 1983-07-30 | 1990-05-10 | Akzo Gmbh | Poren aufweisende formkoerper. |
| JPS60216804A (ja) * | 1984-04-13 | 1985-10-30 | Teijin Ltd | ポリフツ化ビニリデン系多孔中空糸膜およびその製造方法 |
| JPS6214905A (ja) * | 1985-07-15 | 1987-01-23 | Fuji Photo Film Co Ltd | 微孔性膜の製造方法 |
| JPS6227006A (ja) * | 1985-07-27 | 1987-02-05 | Fuji Photo Film Co Ltd | 微孔性膜 |
| US4774132A (en) * | 1986-05-01 | 1988-09-27 | Pall Corporation | Polyvinylidene difluoride structure |
| NL8602402A (nl) * | 1986-09-23 | 1988-04-18 | X Flow Bv | Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen. |
| US5019260A (en) * | 1986-12-23 | 1991-05-28 | Pall Corporation | Filtration media with low protein adsorbability |
| JPH03186324A (ja) * | 1989-12-15 | 1991-08-14 | Nok Corp | 多孔質中空糸膜の製造方法 |
| US5171445A (en) * | 1991-03-26 | 1992-12-15 | Memtec America Corporation | Ultraporous and microporous membranes and method of making membranes |
| US5188734A (en) * | 1991-03-26 | 1993-02-23 | Memtec America Corporation | Ultraporous and microporous integral membranes |
| EP0639106B1 (en) * | 1992-05-06 | 1998-12-23 | Costar Corporation | Method for the preparation of a polyvinylidene fluoride microporous membrane |
| US5282971A (en) * | 1993-05-11 | 1994-02-01 | Pall Corporation | Positively charged polyvinylidene fluoride membrane |
| JP3310732B2 (ja) * | 1993-08-31 | 2002-08-05 | 富士写真フイルム株式会社 | 金属含有溶液の処理方法 |
| US5514461A (en) * | 1993-10-05 | 1996-05-07 | Kureha Chemical Industry Co., Ltd. | Vinylidene fluoride porous membrane and method of preparing the same |
| WO1997026134A1 (en) * | 1996-01-22 | 1997-07-24 | Memtec America Corporation | Highly porous polyvinylidene difluoride membranes |
-
1998
- 1998-05-18 US US09/080,713 patent/US6146747A/en not_active Expired - Lifetime
-
1999
- 1999-05-18 EP EP19990923205 patent/EP1009517A1/en not_active Withdrawn
- 1999-05-18 WO PCT/US1999/011004 patent/WO1999059707A1/en not_active Ceased
- 1999-05-18 AU AU40029/99A patent/AU4002999A/en not_active Abandoned
- 1999-05-18 JP JP2000549364A patent/JP4221154B2/ja not_active Expired - Lifetime
- 1999-05-18 CA CA 2292916 patent/CA2292916A1/en not_active Abandoned
-
2008
- 2008-10-07 JP JP2008260836A patent/JP4601699B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU4002999A (en) | 1999-12-06 |
| EP1009517A1 (en) | 2000-06-21 |
| CA2292916A1 (en) | 1999-11-25 |
| WO1999059707A1 (en) | 1999-11-25 |
| JP4601699B2 (ja) | 2010-12-22 |
| US6146747A (en) | 2000-11-14 |
| JP2002515322A (ja) | 2002-05-28 |
| JP2009039716A (ja) | 2009-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4221154B2 (ja) | 高多孔性のポリ二弗化ビニリデン膜の製造方法 | |
| JP4294730B2 (ja) | 高度多孔性ポリ二フッ化ビニリデン膜 | |
| US11802200B2 (en) | Isoporous self-assembled block copolymer films containing high molecular weight hydrophilic additives and methods of making the same | |
| TWI643665B (zh) | 微多孔膜及其製造方法 | |
| WO1995033549A1 (en) | Porous polysulfone membrane and process for producing the same | |
| KR100557264B1 (ko) | 중공사막 및 그의 제조 방법 | |
| JP2899347B2 (ja) | 多孔性中空糸膜 | |
| JP2899352B2 (ja) | 多孔性の中空糸膜 | |
| CN112830549B (zh) | 从超纯水去除二氧化硅的过滤器及其使用方法 | |
| EP1464477B1 (en) | Method of preparing a highly porous polyvinylidene difluoride membrane | |
| JP4689790B2 (ja) | アニオンコポリマーブレンドの内部親水性膜 | |
| JP2868558B2 (ja) | 高強度・高流束ポリスルホン中空糸膜の製法 | |
| JP3524637B2 (ja) | 高分子多孔質膜の製造方法 | |
| JP2899348B2 (ja) | 多孔性中空糸 | |
| JP3250808B2 (ja) | ポリスルホン製多孔質膜及びその製法 | |
| KR950004919B1 (ko) | 방향족 폴리술폰 중공사막 및 그 제조방법 | |
| JPH07328401A (ja) | 多孔質分離膜の製法 | |
| JPS5824162B2 (ja) | 膜組成物 | |
| JPS59183761A (ja) | 血漿分離膜及びその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20040122 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20040122 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060516 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060516 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070713 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070731 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071031 |
|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20071031 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071108 |
|
| A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20071116 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080108 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20080131 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20080131 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080408 |
|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20080408 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080422 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080708 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081007 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081111 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20081117 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111121 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111121 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121121 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121121 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131121 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |