CA2474625C - Poly(ethylene chlorotrifluoroethylene) membranes - Google Patents
Poly(ethylene chlorotrifluoroethylene) membranes Download PDFInfo
- Publication number
- CA2474625C CA2474625C CA2474625A CA2474625A CA2474625C CA 2474625 C CA2474625 C CA 2474625C CA 2474625 A CA2474625 A CA 2474625A CA 2474625 A CA2474625 A CA 2474625A CA 2474625 C CA2474625 C CA 2474625C
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- solvent
- membranes
- polymer
- coating
- 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 - Fee Related
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 204
- -1 Poly(ethylene chlorotrifluoroethylene) Polymers 0.000 title claims abstract description 34
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims abstract description 139
- 239000000835 fiber Substances 0.000 claims abstract description 91
- 239000011248 coating agent Substances 0.000 claims abstract description 72
- 235000013773 glyceryl triacetate Nutrition 0.000 claims abstract description 69
- 229960002622 triacetin Drugs 0.000 claims abstract description 69
- 239000011148 porous material Substances 0.000 claims abstract description 66
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 37
- 238000001471 micro-filtration Methods 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 235000013769 triethyl citrate Nutrition 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 99
- 238000000576 coating method Methods 0.000 claims description 69
- 239000000377 silicon dioxide Substances 0.000 claims description 41
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 12
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 12
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
- 101100134922 Gallus gallus COR5 gene Proteins 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000003707 hexyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 claims 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims 1
- 239000002904 solvent Substances 0.000 abstract description 124
- 229920001780 ECTFE Polymers 0.000 abstract description 65
- 238000000034 method Methods 0.000 abstract description 51
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 239000012633 leachable Substances 0.000 abstract description 16
- 230000002209 hydrophobic effect Effects 0.000 abstract description 11
- 230000002588 toxic effect Effects 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 229920000642 polymer Polymers 0.000 description 82
- 239000000203 mixture Substances 0.000 description 44
- 239000012530 fluid Substances 0.000 description 43
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 239000000243 solution Substances 0.000 description 37
- 238000010791 quenching Methods 0.000 description 32
- 230000035699 permeability Effects 0.000 description 31
- 230000008569 process Effects 0.000 description 26
- 238000002386 leaching Methods 0.000 description 25
- 239000012071 phase Substances 0.000 description 24
- 238000002145 thermally induced phase separation Methods 0.000 description 22
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 18
- 239000002245 particle Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 239000003518 caustics Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 229910002012 Aerosil® Inorganic materials 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 238000005191 phase separation Methods 0.000 description 10
- 238000004626 scanning electron microscopy Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 8
- 241000700605 Viruses Species 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 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 6
- 229920002307 Dextran Polymers 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- XKEFYDZQGKAQCN-UHFFFAOYSA-N 1,3,5-trichlorobenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1 XKEFYDZQGKAQCN-UHFFFAOYSA-N 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000037516 chromosome inversion disease Diseases 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007059 acute toxicity Effects 0.000 description 2
- 231100000403 acute toxicity Toxicity 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 231100000693 bioaccumulation Toxicity 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000010874 maintenance of protein location Effects 0.000 description 2
- 230000003505 mutagenic effect Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- CHJAYYWUZLWNSQ-UHFFFAOYSA-N 1-chloro-1,2,2-trifluoroethene;ethene Chemical group C=C.FC(F)=C(F)Cl CHJAYYWUZLWNSQ-UHFFFAOYSA-N 0.000 description 1
- 229910002016 Aerosil® 200 Inorganic materials 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920000604 Polyethylene Glycol 200 Polymers 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- VJMAITQRABEEKP-UHFFFAOYSA-N [6-(phenylmethoxymethyl)-1,4-dioxan-2-yl]methyl acetate Chemical compound O1C(COC(=O)C)COCC1COCC1=CC=CC=C1 VJMAITQRABEEKP-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000012899 de-mixing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 108010074605 gamma-Globulins Proteins 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 231100000243 mutagenic effect Toxicity 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000001330 spinodal decomposition reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 231100000378 teratogenic Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 231100000563 toxic property Toxicity 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004383 yellowing Methods 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
- B01D67/0088—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
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/15—Use of additives
- B01D2323/18—Pore-control agents or pore formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
- B01D2323/22—Specific non-solvents or non-solvent system
-
- 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
- B01D2325/0232—Dense layer on both outer sides of the membrane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2733826A CA2733826C (en) | 2002-02-12 | 2003-02-12 | Methods of forming poly(ethylene chlorotrifluoroethylene) membranes |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPS0466 | 2002-02-12 | ||
| AUPS0466A AUPS046602A0 (en) | 2002-02-12 | 2002-02-12 | Halar membranes |
| PCT/AU2003/000179 WO2003068374A1 (en) | 2002-02-12 | 2003-02-12 | Halar membranes |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2733826A Division CA2733826C (en) | 2002-02-12 | 2003-02-12 | Methods of forming poly(ethylene chlorotrifluoroethylene) membranes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2474625A1 CA2474625A1 (en) | 2003-08-21 |
| CA2474625C true CA2474625C (en) | 2014-03-18 |
Family
ID=3834067
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2474625A Expired - Fee Related CA2474625C (en) | 2002-02-12 | 2003-02-12 | Poly(ethylene chlorotrifluoroethylene) membranes |
| CA2733826A Expired - Fee Related CA2733826C (en) | 2002-02-12 | 2003-02-12 | Methods of forming poly(ethylene chlorotrifluoroethylene) membranes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2733826A Expired - Fee Related CA2733826C (en) | 2002-02-12 | 2003-02-12 | Methods of forming poly(ethylene chlorotrifluoroethylene) membranes |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP1474222B1 (https=) |
| JP (1) | JP4656839B2 (https=) |
| KR (1) | KR100991596B1 (https=) |
| CN (1) | CN100500272C (https=) |
| AT (1) | ATE505260T1 (https=) |
| AU (1) | AUPS046602A0 (https=) |
| CA (2) | CA2474625C (https=) |
| DE (1) | DE60336707D1 (https=) |
| ES (1) | ES2364041T3 (https=) |
| MY (1) | MY135608A (https=) |
| NZ (1) | NZ535133A (https=) |
| WO (1) | WO2003068374A1 (https=) |
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| US8999454B2 (en) | 2012-03-22 | 2015-04-07 | General Electric Company | Device and process for producing a reinforced hollow fibre membrane |
| US9022229B2 (en) | 2012-03-09 | 2015-05-05 | General Electric Company | Composite membrane with compatible support filaments |
| US9132390B2 (en) | 2009-03-26 | 2015-09-15 | Bl Technologies Inc. | Non-braided reinforced holow fibre membrane |
| US9227362B2 (en) | 2012-08-23 | 2016-01-05 | General Electric Company | Braid welding |
| US9321014B2 (en) | 2011-12-16 | 2016-04-26 | Bl Technologies, Inc. | Hollow fiber membrane with compatible reinforcements |
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| AU721064B2 (en) | 1996-12-20 | 2000-06-22 | Evoqua Water Technologies Llc | Scouring method |
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| JP4954880B2 (ja) | 2004-09-15 | 2012-06-20 | 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 | 連続的に変化する通気 |
| JP2006088114A (ja) * | 2004-09-27 | 2006-04-06 | Asahi Kasei Chemicals Corp | 親水性多孔膜 |
| EP1838422A4 (en) | 2004-12-24 | 2009-09-02 | Siemens Water Tech Corp | EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE |
| WO2006066319A1 (en) | 2004-12-24 | 2006-06-29 | Siemens Water Technologies Corp. | Cleaning in membrane filtration systems |
| ITMI20050474A1 (it) | 2005-03-22 | 2006-09-23 | Solvay Solexis Spa | Polveri o manufatti aventi una idrofilicita'superficiale |
| CN101184548B (zh) | 2005-04-29 | 2011-10-05 | 西门子水技术公司 | 用于膜滤器的化学清洗剂 |
| JP2009504399A (ja) | 2005-08-22 | 2009-02-05 | 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 | 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ |
| CA2620811A1 (en) * | 2005-09-27 | 2007-04-05 | Siemens Water Technologies Corp. | Chemical cleaning agent and process for cleaning filtration membranes |
| US8293098B2 (en) | 2006-10-24 | 2012-10-23 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
| WO2008123972A1 (en) | 2007-04-02 | 2008-10-16 | 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 |
| AU2008263139B2 (en) | 2007-05-29 | 2011-08-25 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
| JP2013500144A (ja) | 2008-07-24 | 2013-01-07 | シーメンス インダストリー インコーポレイテッド | 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム |
| 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 |
| KR101714103B1 (ko) | 2009-06-26 | 2017-03-09 | 비엘 테크놀러지스 인크. | 텍스타일-강화된 비-편조 중공사 막 |
| EP2461897A1 (en) | 2009-08-03 | 2012-06-13 | Solvay Specialty Polymers Italy S.p.A. | Process for the preparation of ethylene/chlorotrifluoroethylene polymer membranes |
| JP5531667B2 (ja) * | 2010-02-22 | 2014-06-25 | Ｎｏｋ株式会社 | ポリフッ化ビニリデン多孔質膜の製造法 |
| ES2738898T3 (es) | 2010-04-30 | 2020-01-27 | Evoqua Water Tech Llc | Dispositivo de distribución de flujo de fluido |
| JP5636761B2 (ja) * | 2010-06-22 | 2014-12-10 | Nok株式会社 | 繊維強化ポリフッ化ビニリデン多孔質膜の製造法 |
| JP5636762B2 (ja) * | 2010-06-22 | 2014-12-10 | Nok株式会社 | 繊維強化多孔質膜の製造法 |
| AU2011302393B2 (en) | 2010-09-15 | 2016-09-08 | Bl Technologies, Inc. | Method to make a yarn-reinforced hollow fibre membranes around a soluble core |
| AU2011305377B2 (en) | 2010-09-24 | 2014-11-20 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
| US8529814B2 (en) | 2010-12-15 | 2013-09-10 | General Electric Company | Supported hollow fiber membrane |
| US10745555B2 (en) | 2011-06-23 | 2020-08-18 | Solvay Specialty Polymer Italy S.P.A. | Process for manufacturing porous membranes |
| 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 |
| CA2850309C (en) | 2011-09-30 | 2020-01-07 | Evoqua Water Technologies Llc | Improved manifold arrangement |
| KR101284405B1 (ko) * | 2011-10-28 | 2013-07-09 | 웅진케미칼 주식회사 | 다공성 금속 중공사 여과재의 제조방법 |
| US9643129B2 (en) | 2011-12-22 | 2017-05-09 | Bl Technologies, Inc. | Non-braided, textile-reinforced hollow fiber membrane |
| KR101414193B1 (ko) * | 2012-04-30 | 2014-07-02 | 도레이케미칼 주식회사 | 폴리에틸렌클로로트리플루오로에틸렌 (ｅｃｔｆｅ) 중공사막의 제조방법 |
| US9533261B2 (en) | 2012-06-28 | 2017-01-03 | Evoqua Water Technologies Llc | Potting method |
| KR20150054918A (ko) | 2012-09-14 | 2015-05-20 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 막을 위한 중합체 블렌드 |
| AU2013231145B2 (en) | 2012-09-26 | 2017-08-17 | Evoqua Water Technologies Llc | Membrane potting methods |
| CN104684631A (zh) | 2012-09-26 | 2015-06-03 | 伊沃夸水处理技术有限责任公司 | 膜固定设备 |
| EP2900356A1 (en) | 2012-09-27 | 2015-08-05 | Evoqua Water Technologies LLC | Gas scouring apparatus for immersed membranes |
| EP3052221B1 (en) | 2013-10-02 | 2022-12-14 | Rohm & Haas Electronic Materials Singapore Pte. Ltd | Device for repairing a membrane filtration module |
| KR102189830B1 (ko) * | 2013-10-11 | 2020-12-14 | 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. | 플루오로중합체 막의 제조 방법 |
| WO2017011068A1 (en) | 2015-07-14 | 2017-01-19 | Evoqua Water Technologies Llc | Aeration device for filtration system |
| US20190022601A1 (en) * | 2016-03-09 | 2019-01-24 | Asahi Kasei Kabushiki Kaisha | Porous hollow fiber membrane, method for producing the same, and filtration method |
| CN111050889B (zh) | 2017-09-01 | 2023-03-03 | 旭化成株式会社 | 多孔性中空纤维膜、多孔性中空纤维膜的制造方法及过滤方法 |
| JP7219032B2 (ja) * | 2017-09-01 | 2023-02-07 | 旭化成株式会社 | 分離層を含む多孔性中空糸膜の製造方法、多孔性中空糸膜、およびろ過方法 |
| JP7185448B2 (ja) * | 2017-09-01 | 2022-12-07 | 旭化成株式会社 | 多孔性中空糸膜及びその製造方法、並びにろ過方法 |
| CN111051246B (zh) * | 2017-09-07 | 2022-07-05 | 旭化成株式会社 | 使用多孔膜的过滤方法 |
| CN110141981A (zh) * | 2019-05-28 | 2019-08-20 | 迈博瑞生物膜技术（南通）有限公司 | 一种亲水性乙烯-三氟氯乙烯共聚物中空膜的制备方法 |
| CN110141979A (zh) * | 2019-05-28 | 2019-08-20 | 迈博瑞生物膜技术（南通）有限公司 | 一种乙烯-三氟氯乙烯共聚物中空纤维多孔膜的制备方法 |
| CN117531377B (zh) * | 2024-01-09 | 2024-04-26 | 赛普(杭州)过滤科技有限公司 | 一种非对称高通量除病毒纤维素滤膜及其制备方法和应用 |
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| US2732357A (en) * | 1949-11-25 | 1956-01-24 | Suspensions of polymeric chlorotri- | |
| US4247498A (en) | 1976-08-30 | 1981-01-27 | Akzona Incorporated | Methods for making microporous products |
| GB2168981B (en) * | 1984-12-27 | 1988-07-06 | Asahi Chemical Ind | Porous fluorine resin membrane and process for preparation thereof |
| JPS61233026A (ja) * | 1985-04-09 | 1986-10-17 | Asahi Chem Ind Co Ltd | 多孔膜の製造方法 |
| US4670341A (en) * | 1985-05-17 | 1987-06-02 | W. R. Grace & Co. | Hollow fiber |
| DE3829766A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Verfahren zur herstellung von membranen |
| JPH04187224A (ja) * | 1990-11-20 | 1992-07-03 | Mitsubishi Rayon Co Ltd | フッ素系多孔質中空糸膜の製法 |
| JPH06142468A (ja) * | 1992-11-11 | 1994-05-24 | Dainippon Ink & Chem Inc | 細孔を有する表面親水性膜の製造方法 |
| PL173020B1 (pl) * | 1992-11-16 | 1998-01-30 | Althin Medical Inc | Membrana półprzepuszczalna i sposób wytwarzania membrany półprzepuszczalnej |
| US6096213A (en) * | 1998-08-14 | 2000-08-01 | 3M Innovative Properties Company | Puncture-resistant polyolefin membranes |
| JP2001087636A (ja) * | 1999-09-21 | 2001-04-03 | Asahi Kasei Corp | ポリエチレン製中空糸状多孔膜の製法 |
| ITMI20010421A1 (it) * | 2001-03-01 | 2002-09-02 | Ausimont Spa | Membrane porose semipermeabili di fluoropolimeri semicristallini |
-
2002
- 2002-02-12 AU AUPS0466A patent/AUPS046602A0/en not_active Abandoned
-
2003
- 2003-02-11 MY MYPI20030454A patent/MY135608A/en unknown
- 2003-02-12 DE DE60336707T patent/DE60336707D1/de not_active Expired - Lifetime
- 2003-02-12 WO PCT/AU2003/000179 patent/WO2003068374A1/en not_active Ceased
- 2003-02-12 CN CNB03805101XA patent/CN100500272C/zh not_active Expired - Fee Related
- 2003-02-12 CA CA2474625A patent/CA2474625C/en not_active Expired - Fee Related
- 2003-02-12 NZ NZ535133A patent/NZ535133A/en not_active IP Right Cessation
- 2003-02-12 EP EP03739399A patent/EP1474222B1/en not_active Expired - Lifetime
- 2003-02-12 KR KR1020047012363A patent/KR100991596B1/ko not_active Expired - Fee Related
- 2003-02-12 CA CA2733826A patent/CA2733826C/en not_active Expired - Fee Related
- 2003-02-12 AT AT03739399T patent/ATE505260T1/de not_active IP Right Cessation
- 2003-02-12 ES ES03739399T patent/ES2364041T3/es not_active Expired - Lifetime
- 2003-02-12 JP JP2003567552A patent/JP4656839B2/ja not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9132390B2 (en) | 2009-03-26 | 2015-09-15 | Bl Technologies Inc. | Non-braided reinforced holow fibre membrane |
| US9321014B2 (en) | 2011-12-16 | 2016-04-26 | Bl Technologies, Inc. | Hollow fiber membrane with compatible reinforcements |
| US9022229B2 (en) | 2012-03-09 | 2015-05-05 | General Electric Company | Composite membrane with compatible support filaments |
| US8999454B2 (en) | 2012-03-22 | 2015-04-07 | General Electric Company | Device and process for producing a reinforced hollow fibre membrane |
| US9227362B2 (en) | 2012-08-23 | 2016-01-05 | General Electric Company | Braid welding |
Also Published As
| Publication number | Publication date |
|---|---|
| MY135608A (en) | 2008-05-30 |
| WO2003068374A1 (en) | 2003-08-21 |
| JP2005516764A (ja) | 2005-06-09 |
| CN100500272C (zh) | 2009-06-17 |
| CN1638851A (zh) | 2005-07-13 |
| DE60336707D1 (de) | 2011-05-26 |
| ATE505260T1 (de) | 2011-04-15 |
| CA2474625A1 (en) | 2003-08-21 |
| KR100991596B1 (ko) | 2010-11-04 |
| CA2733826A1 (en) | 2003-08-21 |
| EP1474222A4 (en) | 2005-02-16 |
| EP1474222A1 (en) | 2004-11-10 |
| JP4656839B2 (ja) | 2011-03-23 |
| AUPS046602A0 (en) | 2002-03-07 |
| CA2733826C (en) | 2014-07-22 |
| NZ535133A (en) | 2006-06-30 |
| EP1474222B1 (en) | 2011-04-13 |
| ES2364041T3 (es) | 2011-08-23 |
| KR20040094683A (ko) | 2004-11-10 |
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| EEER | Examination request | ||
| MKLA | Lapsed |
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