CA1107424A - Membranes a permeabilite selective, et solution a base de polymeres servant a leur fabrication - Google Patents

Membranes a permeabilite selective, et solution a base de polymeres servant a leur fabrication

Info

Publication number: CA1107424A
Authority: CA; Canada
Prior art keywords: solution; surfactant; membrane; polymer; formula
Prior art date: 1976-10-21
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

Application number

CA289,041A

Other languages

English (en)

Inventor

Thomas J. Cochrane, Jr.

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1976-10-21

Filing date

1977-10-19

Publication date

1981-08-18

1977-10-19 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

1981-08-18 Application granted granted Critical

1981-08-18 Publication of CA1107424A publication Critical patent/CA1107424A/fr

Status Expired legal-status Critical Current

Links

239000012528 membrane Substances 0.000 title claims abstract description 98
229920000642 polymer Polymers 0.000 claims abstract description 124
239000004094 surface-active agent Substances 0.000 claims abstract description 53
125000003118 aryl group Chemical group 0.000 claims abstract description 23
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
239000002736 nonionic surfactant Substances 0.000 claims abstract description 16
239000002202 Polyethylene glycol Substances 0.000 claims abstract description 13
229920001223 polyethylene glycol Polymers 0.000 claims abstract description 13
229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
239000003945 anionic surfactant Substances 0.000 claims abstract description 10
239000002563 ionic surfactant Substances 0.000 claims abstract description 7
210000004379 membrane Anatomy 0.000 claims description 95
150000003839 salts Chemical class 0.000 claims description 46
125000004432 carbon atom Chemical group C* 0.000 claims description 30
239000002904 solvent Substances 0.000 claims description 23
238000009833 condensation Methods 0.000 claims description 16
230000005494 condensation Effects 0.000 claims description 15
239000012510 hollow fiber Substances 0.000 claims description 15
125000000217 alkyl group Chemical group 0.000 claims description 13
-1 alkyl phenol Chemical compound 0.000 claims description 11
125000001183 hydrocarbyl group Chemical group 0.000 claims description 10
125000005647 linker group Chemical group 0.000 claims description 8
125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 8
RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 claims description 7
229910052799 carbon Inorganic materials 0.000 claims description 7
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 7
230000002209 hydrophobic effect Effects 0.000 claims description 7
125000000542 sulfonic acid group Chemical group 0.000 claims description 7
230000002378 acidificating effect Effects 0.000 claims description 5
150000001450 anions Chemical class 0.000 claims description 5
229910052736 halogen Inorganic materials 0.000 claims description 5
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
238000004519 manufacturing process Methods 0.000 claims description 4
239000003880 polar aprotic solvent Substances 0.000 claims description 4
238000006116 polymerization reaction Methods 0.000 claims description 4
150000001768 cations Chemical class 0.000 claims description 3
239000007795 chemical reaction product Substances 0.000 claims description 3
229910052794 bromium Inorganic materials 0.000 claims description 2
229910052801 chlorine Inorganic materials 0.000 claims description 2
229910052731 fluorine Inorganic materials 0.000 claims description 2
125000005843 halogen group Chemical group 0.000 claims 3
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 2
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims 2
150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
239000000203 mixture Substances 0.000 abstract description 29
230000004907 flux Effects 0.000 abstract description 15
239000007788 liquid Substances 0.000 abstract description 8
238000001223 reverse osmosis Methods 0.000 abstract description 6
238000000926 separation method Methods 0.000 abstract description 6
125000000129 anionic group Chemical group 0.000 abstract description 2
229920005613 synthetic organic polymer Polymers 0.000 abstract description 2
150000002148 esters Chemical class 0.000 abstract 1
239000000243 solution Substances 0.000 description 54
239000000835 fiber Substances 0.000 description 31
KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 16
230000000052 comparative effect Effects 0.000 description 13
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 11
229940113088 dimethylacetamide Drugs 0.000 description 11
239000010408 film Substances 0.000 description 11
IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 11
238000009987 spinning Methods 0.000 description 10
239000002253 acid Substances 0.000 description 8
238000010791 quenching Methods 0.000 description 8
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
125000004429 atom Chemical group 0.000 description 6
238000000605 extraction Methods 0.000 description 6
230000003204 osmotic effect Effects 0.000 description 6
238000002360 preparation method Methods 0.000 description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
229910052760 oxygen Inorganic materials 0.000 description 5
239000001301 oxygen Substances 0.000 description 5
230000035699 permeability Effects 0.000 description 5
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
125000001931 aliphatic group Chemical group 0.000 description 4
FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 4
229910052739 hydrogen Inorganic materials 0.000 description 4
239000001257 hydrogen Substances 0.000 description 4
239000000463 material Substances 0.000 description 4
238000000034 method Methods 0.000 description 4
125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
239000000126 substance Substances 0.000 description 4
239000000758 substrate Substances 0.000 description 4
LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 4
238000012360 testing method Methods 0.000 description 4
WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
125000003368 amide group Chemical group 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
125000004122 cyclic group Chemical group 0.000 description 3
239000000284 extract Substances 0.000 description 3
125000003827 glycol group Chemical group 0.000 description 3
125000000623 heterocyclic group Chemical group 0.000 description 3
125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
125000004433 nitrogen atom Chemical group N* 0.000 description 3
239000012466 permeate Substances 0.000 description 3
229910052717 sulfur Inorganic materials 0.000 description 3
239000011593 sulfur Substances 0.000 description 3
WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
125000002252 acyl group Chemical group 0.000 description 2
125000002947 alkylene group Chemical group 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
239000001110 calcium chloride Substances 0.000 description 2
229910001628 calcium chloride Inorganic materials 0.000 description 2
ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
125000002837 carbocyclic group Chemical group 0.000 description 2
238000005266 casting Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
150000004985 diamines Chemical class 0.000 description 2
KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical group C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
150000002367 halogens Chemical class 0.000 description 2
GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 2
AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
229920002480 polybenzimidazole Polymers 0.000 description 2
230000008569 process Effects 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 1
JSIVTKBYJLGBPY-UHFFFAOYSA-N 3-aminobenzohydrazide Chemical compound NNC(=O)C1=CC=CC(N)=C1 JSIVTKBYJLGBPY-UHFFFAOYSA-N 0.000 description 1
WPBZMCGPFHZRHJ-UHFFFAOYSA-N 4-aminobenzohydrazide Chemical compound NNC(=O)C1=CC=C(N)C=C1 WPBZMCGPFHZRHJ-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
238000004566 IR spectroscopy Methods 0.000 description 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
238000005481 NMR spectroscopy Methods 0.000 description 1
YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical group NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 description 1
QSBINWBNXWAVAK-PSXMRANNSA-N PE-NMe(16:0/16:0) Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OCCNC)OC(=O)CCCCCCCCCCCCCCC QSBINWBNXWAVAK-PSXMRANNSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
HVWGGPRWKSHASF-UHFFFAOYSA-N Sulfuric acid, monooctadecyl ester Chemical compound CCCCCCCCCCCCCCCCCCOS(O)(=O)=O HVWGGPRWKSHASF-UHFFFAOYSA-N 0.000 description 1
GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000009471 action Effects 0.000 description 1
239000004480 active ingredient Substances 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000002877 alkyl aryl group Chemical group 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
239000000010 aprotic solvent Substances 0.000 description 1
239000004760 aramid Substances 0.000 description 1
229920003235 aromatic polyamide Polymers 0.000 description 1
125000003710 aryl alkyl group Chemical group 0.000 description 1
238000005102 attenuated total reflection Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
229960003237 betaine Drugs 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229920001400 block copolymer Polymers 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
230000008859 change Effects 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000007859 condensation product Substances 0.000 description 1
238000006482 condensation reaction Methods 0.000 description 1
229920006037 cross link polymer Polymers 0.000 description 1
125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
238000010612 desalination reaction Methods 0.000 description 1
VILAVOFMIJHSJA-UHFFFAOYSA-N dicarbon monoxide Chemical group [C]=C=O VILAVOFMIJHSJA-UHFFFAOYSA-N 0.000 description 1
125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
125000004185 ester group Chemical group 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
229910001385 heavy metal Inorganic materials 0.000 description 1
229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 1
229920001461 hydrolysable tannin Polymers 0.000 description 1
230000002706 hydrostatic effect Effects 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
125000005462 imide group Chemical group 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000000401 methanolic extract Substances 0.000 description 1
239000000693 micelle Substances 0.000 description 1
239000011259 mixed solution Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
125000000962 organic group Chemical group 0.000 description 1
125000001477 organic nitrogen group Chemical group 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
239000006069 physical mixture Substances 0.000 description 1
229920000233 poly(alkylene oxides) Polymers 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
238000012643 polycondensation polymerization Methods 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
239000000047 product Substances 0.000 description 1
238000010526 radical polymerization reaction Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000000452 restraining effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide group Chemical group NNC(=O)N DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
238000007711 solidification Methods 0.000 description 1
230000008023 solidification Effects 0.000 description 1
230000003381 solubilizing effect Effects 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000005507 spraying Methods 0.000 description 1
125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000003756 stirring Methods 0.000 description 1
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
150000000000 tetracarboxylic acids Chemical class 0.000 description 1
239000010409 thin film Substances 0.000 description 1
150000003628 tricarboxylic acids Chemical class 0.000 description 1
238000000108 ultra-filtration Methods 0.000 description 1
239000003643 water by type Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
- 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
- B01D67/00111—Polymer pretreatment in the casting solutions
- 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
- B01D67/0083—Thermal after-treatment
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- 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
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Dispersion Chemistry (AREA)
Medicinal Chemistry (AREA)
Health & Medical Sciences (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Inorganic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)

CA289,041A 1976-10-21 1977-10-19 Membranes a permeabilite selective, et solution a base de polymeres servant a leur fabrication Expired CA1107424A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US73463176A	1976-10-21	1976-10-21
US734,631		1976-10-21

Publications (1)

Publication Number	Publication Date
CA1107424A true CA1107424A (fr)	1981-08-18

Family

ID=24952479

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA289,041A Expired CA1107424A (fr)	1976-10-21	1977-10-19	Membranes a permeabilite selective, et solution a base de polymeres servant a leur fabrication

Country Status (7)

Country	Link
JP (1)	JPS5351184A (fr)
CA (1)	CA1107424A (fr)
DE (1)	DE2747408A1 (fr)
FR (1)	FR2368289A1 (fr)
GB (1)	GB1561200A (fr)
IT (1)	IT1143711B (fr)
NL (1)	NL7711594A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3028213C2 (de) *	1980-07-25	1990-12-06	Akzo Gmbh, 5600 Wuppertal	Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran
GB8320797D0 (en) *	1983-08-02	1983-09-01	Shell Int Research	Very thin dense membrane
AU4787685A (en) *	1984-09-27	1986-04-10	E.I. Du Pont De Nemours And Company	Aromatic polyamide membrane for reverse osmosis
NL9000329A (nl) *	1990-02-12	1991-09-02	Stork Friesland Bv	Hydrofiel membraan, werkwijze ter vervaardiging van een hydrofiel membraan.

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US3567632A (en) *	1968-09-04	1971-03-02	Du Pont	Permselective,aromatic,nitrogen-containing polymeric membranes
US3660281A (en) *	1970-05-06	1972-05-02	Du Pont	Permeation separation membranes
US3775361A (en) *	1971-10-21	1973-11-27	Du Pont	Preparation of stable concentrated solutions of aromatic nitrogen-linked condensation polymers
US3954607A (en) *	1972-05-01	1976-05-04	E. I. Du Pont De Nemours And Company	Permselective membranes of diacyl hydrazide-containing aromatic polymers having selected metals complexed therewith
US3853754A (en) *	1972-07-20	1974-12-10	Du Pont	Membrane separation of homogeneous catalysts from nitrile solutions
US3816303A (en) *	1972-12-20	1974-06-11	Us Interior	Poly(n-amido)imides as semipermeable membranes
JPS568645B2 (fr) *	1974-09-05	1981-02-25
US4159251A (en) *	1976-09-29	1979-06-26	Pharmaco, Inc.	Ultrafiltration membranes based on heteroaromatic polymers

1977
- 1977-10-19 CA CA289,041A patent/CA1107424A/fr not_active Expired
- 1977-10-19 JP JP12467477A patent/JPS5351184A/ja active Granted
- 1977-10-20 GB GB43796/77A patent/GB1561200A/en not_active Expired
- 1977-10-20 IT IT28830/77A patent/IT1143711B/it active
- 1977-10-20 FR FR7731590A patent/FR2368289A1/fr active Granted
- 1977-10-21 NL NL7711594A patent/NL7711594A/xx not_active Application Discontinuation
- 1977-10-21 DE DE19772747408 patent/DE2747408A1/de active Granted

Also Published As

Publication number	Publication date
DE2747408A1 (de)	1978-04-27
IT1143711B (it)	1986-10-22
FR2368289A1 (fr)	1978-05-19
FR2368289B1 (fr)	1984-06-08
GB1561200A (en)	1980-02-13
JPS6127085B2 (fr)	1986-06-24
JPS5351184A (en)	1978-05-10
NL7711594A (nl)	1978-04-25
DE2747408C2 (fr)	1987-06-25

Legal Events

Date	Code	Title	Description
1998-08-18	MKEX	Expiry

Publication	Publication Date	Title
CA1099462A (fr)	1981-04-21	Traduction non-disponible
US3567632A (en)	1971-03-02	Permselective,aromatic,nitrogen-containing polymeric membranes
US4971695A (en)	1990-11-20	Sulfonated hexafluoro bis-a polysulfone membranes and process for fluid separations
AU628774B2 (en)	1992-09-17	Gas separation material
EP0509260B1 (fr)	1999-01-27	Membrane composite ou asymétrique en polyimide contenant du fluor, son procédé de fabrication et un procédé de séparation et de concentration de gaz l'utilisant
US3808303A (en)	1974-04-30	Ether treatment of nitrogen-containing polymer membranes
JPH03106426A (ja)	1991-05-07	ポリイミド樹脂で形成される半透過性隔膜とガス混合物からの一成分分離法
US4448687A (en)	1984-05-15	Process for the production of semipermeable polybenzimidazole membranes with low temperature annealing
US5505851A (en)	1996-04-09	Semipermeable membranes of homogeneously miscible polymer alloys
DE69800259T2 (de)	2000-12-21	Gastrennungsmembranen auf der Basis von regioselektiven Polyamidimiden
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US3841492A (en)	1974-10-15	Production of semipermeable polybenzimidazole membranes
EP0391699A1 (fr)	1990-10-10	Procédé de pervaporation pour séparer sélectivement de l'eau d'une solution aqueuse contenant des composés organiques à l'aide d'une membrane asymétrique à base d'un polyimide aromatique
EP0525113A1 (fr)	1993-02-03	Membrannes poreuses de polybenzoxazole et de polybenzothiazole
CA1107424A (fr)	1981-08-18	Membranes a permeabilite selective, et solution a base de polymeres servant a leur fabrication
US5536408A (en)	1996-07-16	Hydrophilic, asymmetric, chemically-resistant polyaramide membrane
CA1166813A (fr)	1984-05-08	Methode de retablissement des qualites d'une membrane semipermeable
US20240390860A1 (en)	2024-11-28	Polyimide-based membranes for desalination
Khodami et al.	2020	Improving the performance of novel polysulfone‐based membrane via sulfonation method: application to water desalination
US4544484A (en)	1985-10-01	Reverse osmosis membrane quenching
WO2023112803A1 (fr)	2023-06-22	Couche fonctionnelle de séparation, membrane de séparation et procédé de production de couche fonctionnelle de séparation
Nunes et al.	2013	Polyazole membrane for water purification
CA2081260A1 (fr)	1993-04-27	Membranes semipermeables et poreuses a base de poly(etheramide) asymetrique
JPH02126925A (ja)	1990-05-15	複合分離膜
CN110433670A (zh)	2019-11-12	高水通量磺化聚醚砜-聚酰胺复合膜及其制备方法