CA1042166A - Hollow fibers of acrylonitrile polymers for ultrafilter and method for producing the same - Google Patents
Hollow fibers of acrylonitrile polymers for ultrafilter and method for producing the sameInfo
- Publication number
- CA1042166A CA1042166A CA169,757A CA169757A CA1042166A CA 1042166 A CA1042166 A CA 1042166A CA 169757 A CA169757 A CA 169757A CA 1042166 A CA1042166 A CA 1042166A
- Authority
- CA
- Canada
- Prior art keywords
- porous region
- gradient
- hollow fibers
- reticulate
- hollow fiber
- 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
Links
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 110
- 229920002239 polyacrylonitrile Polymers 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000011148 porous material Substances 0.000 claims abstract description 37
- 239000000243 solution Substances 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 20
- 238000009987 spinning Methods 0.000 claims abstract description 19
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- 239000000701 coagulant Substances 0.000 claims abstract description 3
- 230000003247 decreasing effect Effects 0.000 claims abstract 3
- 230000015271 coagulation Effects 0.000 claims description 11
- 238000005345 coagulation Methods 0.000 claims description 11
- 239000011800 void material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 238000000034 method Methods 0.000 description 29
- 238000001914 filtration Methods 0.000 description 16
- 229940074355 nitric acid Drugs 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 239000002904 solvent Substances 0.000 description 15
- 239000000835 fiber Substances 0.000 description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- -1 Polypropylene Polymers 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 11
- 239000012528 membrane Substances 0.000 description 11
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920001747 Cellulose diacetate Polymers 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- 102000057297 Pepsin A Human genes 0.000 description 2
- 108090000284 Pepsin A Proteins 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 102000034238 globular proteins Human genes 0.000 description 2
- 108091005896 globular proteins Proteins 0.000 description 2
- 229920006158 high molecular weight polymer Polymers 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229940111202 pepsin Drugs 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229920003176 water-insoluble polymer Polymers 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- FCYVWWWTHPPJII-UHFFFAOYSA-N 2-methylidenepropanedinitrile Chemical compound N#CC(=C)C#N FCYVWWWTHPPJII-UHFFFAOYSA-N 0.000 description 1
- CFYIUBWVKZQDOG-UHFFFAOYSA-N 4-[[2-[[2-[[1-(4-nitroanilino)-1-oxo-3-phenylpropan-2-yl]amino]-2-oxoethyl]amino]-2-oxoethyl]amino]-4-oxobutanoic acid Chemical compound C=1C=C([N+]([O-])=O)C=CC=1NC(=O)C(NC(=O)CNC(=O)CNC(=O)CCC(=O)O)CC1=CC=CC=C1 CFYIUBWVKZQDOG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 102000036675 Myoglobin Human genes 0.000 description 1
- 108010062374 Myoglobin Proteins 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920003006 Polybutadiene acrylonitrile Polymers 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 229960003071 bacitracin Drugs 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229940052303 ethers for general anesthesia Drugs 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229960002523 mercuric chloride Drugs 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 1
- 229920003214 poly(methacrylonitrile) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- QXKXDIKCIPXUPL-UHFFFAOYSA-N sulfanylidenemercury Chemical compound [Hg]=S QXKXDIKCIPXUPL-UHFFFAOYSA-N 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
- B01D71/421—Polyacrylonitrile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
-
- 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
- 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
- D01D5/247—Discontinuous hollow structure or microporous structure
-
- 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
-
- 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
- Y10T428/2978—Surface characteristic
-
- 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
- Y10T428/298—Physical dimension
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4275072A JPS496552A (nl) | 1972-04-28 | 1972-04-28 | |
| JP157873A JPS5215072B2 (nl) | 1972-12-29 | 1972-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1042166A true CA1042166A (en) | 1978-11-14 |
Family
ID=26334826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA169,757A Expired CA1042166A (en) | 1972-04-28 | 1973-04-27 | Hollow fibers of acrylonitrile polymers for ultrafilter and method for producing the same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3871950A (nl) |
| CA (1) | CA1042166A (nl) |
| DE (1) | DE2321460C3 (nl) |
| FR (1) | FR2182202B1 (nl) |
| GB (1) | GB1434055A (nl) |
| IT (1) | IT982837B (nl) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183884A (en) * | 1973-01-24 | 1980-01-15 | Ceskoslovenska Akademie Ved | Method for manufacturing hydrogel tubes |
| US3975478A (en) * | 1974-08-14 | 1976-08-17 | Monsanto Company | Method for producing highly permeable acrylic hollow fibers |
| US4209307A (en) * | 1974-08-14 | 1980-06-24 | Monsanto Company | Method for filtering through highly permeable acrylic hollow fibers |
| JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
| JPS5226380A (en) * | 1975-08-25 | 1977-02-26 | Sumitomo Chem Co Ltd | Method of making semipermeable membranes |
| US4061821A (en) * | 1975-12-29 | 1977-12-06 | Asahi Kasei Kogyo Kabushiki Kaisha | Semipermeable composite membranes |
| JPS5812932B2 (ja) * | 1977-06-30 | 1983-03-10 | 日本ゼオン株式会社 | 中空繊維の製造方法 |
| US4175153A (en) * | 1978-05-16 | 1979-11-20 | Monsanto Company | Inorganic anisotropic hollow fibers |
| DE2935097A1 (de) * | 1978-09-07 | 1980-03-20 | Kuraray Co | Aethylen/vinylalkohol-copolymermembran |
| US4364759A (en) | 1979-03-28 | 1982-12-21 | Monsanto Company | Methods for preparing anisotropic hollow fiber membranes comprising polymer of acrylonitrile and styrene and hollow fiber membranes produced therefrom |
| FR2565842B1 (fr) * | 1984-06-13 | 1990-03-23 | Inst Nat Rech Chimique | Perfectionnement apporte aux operations d'ultrafiltration et de microfiltration |
| ATE68991T1 (de) * | 1984-06-13 | 1991-11-15 | Inst Nat Rech Chimique | Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren. |
| US4670341A (en) * | 1985-05-17 | 1987-06-02 | W. R. Grace & Co. | Hollow fiber |
| US4900626A (en) * | 1987-07-28 | 1990-02-13 | Rhone-Poulenc Recherches | Hollow composite fibers selectively permeable to water vapor |
| US5049276A (en) * | 1988-10-13 | 1991-09-17 | Fuji Photo Film Co., Ltd. | Hollow fiber membrane |
| US5338605A (en) * | 1990-01-31 | 1994-08-16 | Ketema, Inc. | Hollow carbon fibers |
| EP0586559B1 (en) * | 1991-05-21 | 1996-02-21 | Brown University Research Foundation | Apparatus for forming hollow fibers and said fibers |
| EP0547471B1 (de) * | 1991-12-14 | 1997-03-12 | Akzo Nobel N.V. | Polyacrylnitrilmembran |
| US5472607A (en) * | 1993-12-20 | 1995-12-05 | Zenon Environmental Inc. | Hollow fiber semipermeable membrane of tubular braid |
| US5714072A (en) * | 1995-11-06 | 1998-02-03 | Hoechst Celanese Corporation | Method for solvent extraction using a dual-skinned asymmetric microporous membrane |
| US6354444B1 (en) * | 1997-07-01 | 2002-03-12 | Zenon Environmental Inc. | Hollow fiber membrane and braided tubular support therefor |
| TR200200141T2 (tr) | 1999-07-21 | 2002-05-21 | The Procter & Gamble Company | Mikroorganizma filtresi ve mikroorganizmaların sudan uzaklaştırılması için yöntem. |
| CA2434940A1 (en) * | 2001-01-23 | 2002-08-01 | Attila Herczeg | Asymmetric hollow fiber membranes |
| DE10134447B4 (de) * | 2001-07-16 | 2006-04-20 | Gkss-Forschungszentrum Geesthacht Gmbh | Trägermembran für Biohybridorgane, Verfahren zur Herstellung und Verwendung |
| US7087168B2 (en) * | 2001-07-24 | 2006-08-08 | Asahi Kasei Medical Co., Ltd. | Hollow fiber membrane for purifying blood |
| CN1268921C (zh) * | 2001-07-31 | 2006-08-09 | 三菱丽阳株式会社 | 其内壁引入了梳形聚合物的中空纤维、填充有凝胶的中空纤维以及纤维束的薄切片 |
| KR100777951B1 (ko) * | 2001-08-23 | 2007-11-28 | 더 프록터 앤드 갬블 캄파니 | 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법 |
| US7615152B2 (en) | 2001-08-23 | 2009-11-10 | Pur Water Purification Products, Inc. | Water filter device |
| US7614508B2 (en) * | 2001-08-23 | 2009-11-10 | Pur Water Purification Products Inc. | Water filter materials, water filters and kits containing silver coated particles and processes for using the same |
| US7614507B2 (en) | 2001-08-23 | 2009-11-10 | Pur Water Purification Products Inc. | Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same |
| US20050279696A1 (en) * | 2001-08-23 | 2005-12-22 | Bahm Jeannine R | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
| US7563376B2 (en) * | 2002-09-12 | 2009-07-21 | Asahi Kasei Kuraray Medical Co., Ltd. | Plasma purification membrane and plasma purification system |
| EP1830902A2 (en) * | 2004-12-30 | 2007-09-12 | Cinvention Ag | Combination comprising an agent providing a signal, an implant material and a drug |
| SI1836239T1 (sl) | 2005-01-13 | 2009-04-30 | Cinv Ag | Kompozitni materiali, ki vsebujejo ogljikove nanodelce |
| BRPI0606486A2 (pt) * | 2005-01-24 | 2009-06-30 | Cinv Ag | materiais compósitos contendo metal |
| EP1845939A1 (en) * | 2005-02-03 | 2007-10-24 | Cinvention Ag | Drug delivery materials made by sol/gel technology |
| BRPI0608506A2 (pt) * | 2005-03-18 | 2010-01-05 | Cinv Ag | processo para preparação de materiais metálicos porosos sinterizados |
| EA200800196A1 (ru) * | 2005-07-01 | 2008-06-30 | Синвеншен Аг | Способ изготовления пористого композиционного материала |
| MX2008000131A (es) * | 2005-07-01 | 2008-04-04 | Cinv Ag | Dispositivos medicos que comprenden un material compuesto reticulado. |
| GB201104337D0 (en) | 2011-03-15 | 2011-04-27 | Glaxo Group Ltd | Novel device |
| DE102016212056A1 (de) * | 2016-07-01 | 2018-01-04 | Mahle International Gmbh | Filtermedium und Verfahren zur Herstellung eines solchen Filtermediums |
| US11930867B2 (en) | 2020-07-30 | 2024-03-19 | Fxi Inc. Limited | Coated substrates and articles with anti-viral properties, and fabrication processes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE520876A (nl) * | 1952-06-28 | 1900-01-01 | ||
| US3088188A (en) * | 1960-01-04 | 1963-05-07 | Monsanto Chemicals | Manufacture of shaped objects of acrylonitrile polymer by wet spinning |
| US3147322A (en) * | 1963-01-23 | 1964-09-01 | Asahi Chemical Ind | Method for preparing acrylonitrile synthetic fiber |
| US3636187A (en) * | 1967-11-09 | 1972-01-18 | Asahi Chemical Ind | Process for the manufacture of acrylonitrile synthetic fibers |
| FR1586563A (nl) * | 1968-10-29 | 1970-02-20 | ||
| US3698994A (en) * | 1971-01-27 | 1972-10-17 | American Cyanamid Co | Acrylic synthetic fibers having improved properties and process for producing the same |
-
1973
- 1973-04-18 GB GB1864273A patent/GB1434055A/en not_active Expired
- 1973-04-26 US US354785A patent/US3871950A/en not_active Expired - Lifetime
- 1973-04-26 IT IT7323452A patent/IT982837B/it active
- 1973-04-27 FR FR7315427A patent/FR2182202B1/fr not_active Expired
- 1973-04-27 CA CA169,757A patent/CA1042166A/en not_active Expired
- 1973-04-27 DE DE2321460A patent/DE2321460C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2321460A1 (de) | 1973-12-06 |
| DE2321460C3 (de) | 1975-05-28 |
| GB1434055A (en) | 1976-04-28 |
| DE2321460B2 (de) | 1974-10-10 |
| IT982837B (it) | 1974-10-21 |
| FR2182202B1 (nl) | 1977-02-11 |
| FR2182202A1 (nl) | 1973-12-07 |
| US3871950A (en) | 1975-03-18 |
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