NL9001274A - Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan. - Google Patents

Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan. Download PDF

Info

Publication number: NL9001274A
Authority: NL; Netherlands
Prior art keywords: polymer; semi; reactive; composite membrane; permeable composite
Prior art date: 1990-06-06

Application number

NL9001274A

Other languages

English (en)

Dutch (nl)

Original Assignee

X Flow Bv

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.)

1990-06-06

Filing date

1990-06-06

Publication date

1992-01-02

1990-06-06 Application filed by X Flow Bv filed Critical X Flow Bv

1990-06-06 Priority to NL9001274A priority Critical patent/NL9001274A/nl

1991-06-05 Priority to US07/711,189 priority patent/US5207908A/en

1991-06-06 Priority to EP91201403A priority patent/EP0460769B1/en

1991-06-06 Priority to DK91201403T priority patent/DK0460769T3/da

1991-06-06 Priority to ES91201403T priority patent/ES2118735T3/es

1991-06-06 Priority to AT91201403T priority patent/ATE166001T1/de

1991-06-06 Priority to DE69129382T priority patent/DE69129382T2/de

1991-06-06 Priority to JP3134753A priority patent/JPH04227832A/ja

1992-01-02 Publication of NL9001274A publication Critical patent/NL9001274A/nl

Links

239000012528 membrane Substances 0.000 title claims abstract description 120
239000002131 composite material Substances 0.000 title claims abstract description 40
238000000034 method Methods 0.000 title claims abstract description 26
238000004519 manufacturing process Methods 0.000 title claims abstract description 13
229920000642 polymer Polymers 0.000 claims abstract description 71
229920013730 reactive polymer Polymers 0.000 claims abstract description 42
239000000758 substrate Substances 0.000 claims abstract description 19
239000000243 solution Substances 0.000 claims description 31
238000012695 Interfacial polymerization Methods 0.000 claims description 18
-1 polydimethylsiloxane Polymers 0.000 claims description 15
229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
239000007864 aqueous solution Substances 0.000 claims description 8
238000000576 coating method Methods 0.000 claims description 8
239000004205 dimethyl polysiloxane Substances 0.000 claims description 8
239000011248 coating agent Substances 0.000 claims description 7
125000000217 alkyl group Chemical group 0.000 claims description 6
125000004432 carbon atom Chemical group C* 0.000 claims description 6
229920002857 polybutadiene Polymers 0.000 claims description 6
239000000178 monomer Substances 0.000 claims description 5
239000003960 organic solvent Substances 0.000 claims description 5
229920002367 Polyisobutene Polymers 0.000 claims description 4
229920002301 cellulose acetate Polymers 0.000 claims description 4
229920000098 polyolefin Polymers 0.000 claims description 4
239000004094 surface-active agent Substances 0.000 claims description 4
229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
239000005062 Polybutadiene Substances 0.000 claims description 3
229920001400 block copolymer Polymers 0.000 claims description 3
229920001577 copolymer Polymers 0.000 claims description 3
229920000058 polyacrylate Polymers 0.000 claims description 3
230000001105 regulatory effect Effects 0.000 claims description 3
229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 3
125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 2
VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 claims description 2
125000003545 alkoxy group Chemical group 0.000 claims description 2
125000003118 aryl group Chemical group 0.000 claims description 2
FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 2
238000010438 heat treatment Methods 0.000 claims description 2
229920000233 poly(alkylene oxides) Polymers 0.000 claims description 2
229920001195 polyisoprene Polymers 0.000 claims description 2
229920000193 polymethacrylate Polymers 0.000 claims description 2
229910006080 SO2X Inorganic materials 0.000 claims 1
239000012074 organic phase Substances 0.000 abstract description 31
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
239000012071 phase Substances 0.000 abstract description 15
230000035699 permeability Effects 0.000 abstract description 5
230000008569 process Effects 0.000 abstract description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 105
HOWGUJZVBDQJKV-UHFFFAOYSA-N docosane Chemical compound CCCCCCCCCCCCCCCCCCCCCC HOWGUJZVBDQJKV-UHFFFAOYSA-N 0.000 description 35
230000004907 flux Effects 0.000 description 35
230000014759 maintenance of location Effects 0.000 description 27
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 25
238000001223 reverse osmosis Methods 0.000 description 23
238000000926 separation method Methods 0.000 description 20
239000007789 gas Substances 0.000 description 12
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 8
230000000052 comparative effect Effects 0.000 description 7
229920002451 polyvinyl alcohol Polymers 0.000 description 7
239000002904 solvent Substances 0.000 description 7
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
235000013870 dimethyl polysiloxane Nutrition 0.000 description 6
239000000203 mixture Substances 0.000 description 6
150000001412 amines Chemical class 0.000 description 5
239000008346 aqueous phase Substances 0.000 description 5
230000002349 favourable effect Effects 0.000 description 5
229920001296 polysiloxane Polymers 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
229920001971 elastomer Polymers 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
229920002681 hypalon Polymers 0.000 description 4
239000000463 material Substances 0.000 description 4
238000005373 pervaporation Methods 0.000 description 4
229920000573 polyethylene Polymers 0.000 description 4
239000010409 thin film Substances 0.000 description 4
238000000108 ultra-filtration Methods 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
239000004721 Polyphenylene oxide Substances 0.000 description 3
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
230000009286 beneficial effect Effects 0.000 description 3
229920006217 cellulose acetate butyrate Polymers 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
238000004132 cross linking Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 3
KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
239000000806 elastomer Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
239000003921 oil Substances 0.000 description 3
229920002492 poly(sulfone) Polymers 0.000 description 3
229920001451 polypropylene glycol Polymers 0.000 description 3
239000000126 substance Substances 0.000 description 3
230000008961 swelling Effects 0.000 description 3
WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
229920004939 Cariflex™ Polymers 0.000 description 2
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
239000004642 Polyimide Substances 0.000 description 2
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
229930006000 Sucrose Natural products 0.000 description 2
239000000654 additive Substances 0.000 description 2
JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
238000003618 dip coating Methods 0.000 description 2
239000002270 dispersing agent Substances 0.000 description 2
238000004821 distillation Methods 0.000 description 2
229920001519 homopolymer Polymers 0.000 description 2
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
238000005259 measurement Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
239000012299 nitrogen atmosphere Substances 0.000 description 2
229920001084 poly(chloroprene) Polymers 0.000 description 2
229920000570 polyether Polymers 0.000 description 2
229920001721 polyimide Polymers 0.000 description 2
229920003226 polyurethane urea Polymers 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
239000005720 sucrose Substances 0.000 description 2
VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
LEKWCGTZPGQABT-AATRIKPKSA-N 4-o-tert-butyl 1-o-methyl (e)-but-2-enedioate Chemical compound COC(=O)\C=C\C(=O)OC(C)(C)C LEKWCGTZPGQABT-AATRIKPKSA-N 0.000 description 1
235000007319 Avena orientalis Nutrition 0.000 description 1
244000075850 Avena orientalis Species 0.000 description 1
239000004801 Chlorinated PVC Substances 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
229920000181 Ethylene propylene rubber Polymers 0.000 description 1
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
208000029422 Hypernatremia Diseases 0.000 description 1
229920002633 Kraton (polymer) Polymers 0.000 description 1
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
229920000557 Nafion® Polymers 0.000 description 1
229920005987 OPPANOL® Polymers 0.000 description 1
239000004696 Poly ether ether ketone Substances 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
244000297179 Syringa vulgaris Species 0.000 description 1
235000004338 Syringa vulgaris Nutrition 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
229920006311 Urethane elastomer Polymers 0.000 description 1
229920004482 WACKER® Polymers 0.000 description 1
239000002253 acid Substances 0.000 description 1
229920000800 acrylic rubber Polymers 0.000 description 1
230000009471 action Effects 0.000 description 1
150000001266 acyl halides Chemical class 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000004760 aramid Substances 0.000 description 1
229920003235 aromatic polyamide Polymers 0.000 description 1
238000010533 azeotropic distillation Methods 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene group Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
229920005549 butyl rubber Polymers 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
235000005911 diet Nutrition 0.000 description 1
230000037213 diet Effects 0.000 description 1
229920001249 ethyl cellulose Polymers 0.000 description 1
235000019325 ethyl cellulose Nutrition 0.000 description 1
230000000763 evoking effect Effects 0.000 description 1
239000010408 film Substances 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
229920001973 fluoroelastomer Polymers 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
238000007654 immersion Methods 0.000 description 1
239000012948 isocyanate Substances 0.000 description 1
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
150000002513 isocyanates Chemical class 0.000 description 1
229920003049 isoprene rubber Polymers 0.000 description 1
239000010687 lubricating oil Substances 0.000 description 1
DTSDBGVDESRKKD-UHFFFAOYSA-N n'-(2-aminoethyl)propane-1,3-diamine Chemical compound NCCCNCCN DTSDBGVDESRKKD-UHFFFAOYSA-N 0.000 description 1
235000015097 nutrients Nutrition 0.000 description 1
CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
239000012466 permeate Substances 0.000 description 1
238000000614 phase inversion technique Methods 0.000 description 1
238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
229920002755 poly(epichlorohydrin) Polymers 0.000 description 1
229920000205 poly(isobutyl methacrylate) Polymers 0.000 description 1
229920002239 polyacrylonitrile Polymers 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920002480 polybenzimidazole Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
229920002530 polyetherether ketone Polymers 0.000 description 1
229920006254 polymer film Polymers 0.000 description 1
229920006380 polyphenylene oxide Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
229920005996 polystyrene-poly(ethylene-butylene)-polystyrene Polymers 0.000 description 1
229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
229920002981 polyvinylidene fluoride Polymers 0.000 description 1
239000011148 porous material Substances 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
239000005060 rubber Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
150000003335 secondary amines Chemical class 0.000 description 1
239000004447 silicone coating Substances 0.000 description 1
229920002379 silicone rubber Polymers 0.000 description 1
239000004945 silicone rubber Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
229920003048 styrene butadiene rubber Polymers 0.000 description 1
125000001174 sulfone group Chemical group 0.000 description 1
238000012360 testing method Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
DCGLONGLPGISNX-UHFFFAOYSA-N trimethyl(prop-1-ynyl)silane Chemical compound CC#C[Si](C)(C)C DCGLONGLPGISNX-UHFFFAOYSA-N 0.000 description 1
125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
150000003673 urethanes Chemical class 0.000 description 1
229920003249 vinylidene fluoride hexafluoropropylene elastomer Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

NL9001274A 1990-06-06 1990-06-06 Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan. NL9001274A (nl)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
NL9001274A NL9001274A (nl)	1990-06-06	1990-06-06	Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan.
US07/711,189 US5207908A (en)	1990-06-06	1991-06-05	Semi-permeable composite membrane and process for manufacturing same
EP91201403A EP0460769B1 (en)	1990-06-06	1991-06-06	Semi-permeable composite membrane and process for manufacturing same
DK91201403T DK0460769T3 (da)	1990-06-06	1991-06-06	Semipermeabel kompositmembran og fremgangsmåde til fremstilling deraf
ES91201403T ES2118735T3 (es)	1990-06-06	1991-06-06	Membrana compuesta semipermeable y procedimiento para su fabricacion.
AT91201403T ATE166001T1 (de)	1990-06-06	1991-06-06	Halbdurchlässige zusammengesetzte membran und verfahren zu ihrer herstellung
DE69129382T DE69129382T2 (de)	1990-06-06	1991-06-06	Halbdurchlässige zusammengesetzte Membran und Verfahren zu ihrer Herstellung
JP3134753A JPH04227832A (ja)	1990-06-06	1991-06-06	半透過性合成膜およびその製造方法

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL9001274		1990-06-06
NL9001274A NL9001274A (nl)	1990-06-06	1990-06-06	Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan.

Publications (1)

Publication Number	Publication Date
NL9001274A true NL9001274A (nl)	1992-01-02

Family

ID=19857194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL9001274A NL9001274A (nl)	1990-06-06	1990-06-06	Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan.

Country Status (8)

Country	Link
US (1)	US5207908A (ja)
EP (1)	EP0460769B1 (ja)
JP (1)	JPH04227832A (ja)
AT (1)	ATE166001T1 (ja)
DE (1)	DE69129382T2 (ja)
DK (1)	DK0460769T3 (ja)
ES (1)	ES2118735T3 (ja)
NL (1)	NL9001274A (ja)

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Publication number	Priority date	Publication date	Assignee	Title
NL9100307A (nl) *	1991-02-21	1992-09-16	X Flow Bv	Semi-permeabel composietmembraan, werkwijze voor de bereiding ervan, alsmede toepassing van dergelijke membranen voor het scheiden van componenten in een organische vloeistoffase of in de dampfase.
US5264166A (en) *	1993-04-23	1993-11-23	W. R. Grace & Co.-Conn.	Polyimide membrane for separation of solvents from lube oil
IL109840A (en) *	1993-06-29	1998-02-22	Minnesota Mining & Mfg	Interfacial polymerization in a porous medium and intermediates bearing photochemical functional groups
US5627217A (en) *	1993-06-29	1997-05-06	Minnesota Mining And Manufacturing Company	Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups
US6579948B1 (en) *	1999-11-24	2003-06-17	The United States Of America As Represented By The Secretary Of The Army	Self-assembled sulfonated block copolymer semipermeable membrane and uses therefor
AUPR340701A0 (en) *	2001-02-27	2001-03-22	Life Therapeutics Limited	Polymeric membranes and uses thereof
US7011694B1 (en) *	2001-05-14	2006-03-14	University Of Kentucky Research Foundation	CO2-selective membranes containing amino groups
WO2003059495A1 (en) *	2002-01-09	2003-07-24	Hydranautics	Methods for improving filtration performance of hollow fiber membranes
JP4656511B2 (ja) *	2004-10-04	2011-03-23	日東電工株式会社	複合逆浸透膜の製造方法
JP2008093544A (ja) *	2006-10-10	2008-04-24	Nitto Denko Corp	複合半透膜及びその製造方法
JP2008246419A (ja) *	2007-03-30	2008-10-16	Nitto Denko Corp	複合半透膜の製造方法
WO2011143371A1 (en) *	2010-05-11	2011-11-17	The Regents Of The University Of California	Oil-tolerant polymer membranes for oil-water separations
PL3154667T3 (pl)	2014-06-16	2020-05-18	Core Energy Recovery Solutions Inc.	Membrany mieszane do transportu pary wodnej i sposoby ich wytwarzania
US20180050933A1 (en) *	2016-08-16	2018-02-22	Naveed Aslam	Methods for reclaiming produced water
CN113101815B (zh) *	2021-04-08	2023-03-21	郑州大学	一种基于BILP-101x的复合膜及其制备方法和应用
CN115025621A (zh) *	2022-07-11	2022-09-09	浙江工业大学	一种调控聚酰胺膜微纳孔隙的方法

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Publication number	Priority date	Publication date	Assignee	Title
US4423099A (en) *	1980-07-28	1983-12-27	Ciba-Geigy Corporation	Membrane modified hydrogels
NL8402647A (nl) *	1984-08-30	1986-03-17	Wafilin Bv	Semi-permeabel samengesteld membraan uit een poly-n-vinyl-n-methylpolymeer.
DK614086A (da) *	1985-12-19	1987-06-20	Sumitomo Chemical Co	Sammensat semipermeabel membran og fremstilling deraf
US4769148A (en) *	1987-11-18	1988-09-06	The Dow Chemical Company	Novel polyamide reverse osmosis membranes
US4802984A (en) *	1988-05-04	1989-02-07	Ionics, Incorporated	Composite semipermeable membrane
US4913816A (en) *	1988-05-04	1990-04-03	Ionics Incorporated	Chlorine tolerant composite semipermeable membrane

1990
- 1990-06-06 NL NL9001274A patent/NL9001274A/nl not_active Application Discontinuation
1991
- 1991-06-05 US US07/711,189 patent/US5207908A/en not_active Expired - Lifetime
- 1991-06-06 ES ES91201403T patent/ES2118735T3/es not_active Expired - Lifetime
- 1991-06-06 DK DK91201403T patent/DK0460769T3/da active
- 1991-06-06 EP EP91201403A patent/EP0460769B1/en not_active Expired - Lifetime
- 1991-06-06 JP JP3134753A patent/JPH04227832A/ja active Pending
- 1991-06-06 AT AT91201403T patent/ATE166001T1/de not_active IP Right Cessation
- 1991-06-06 DE DE69129382T patent/DE69129382T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0460769B1 (en)	1998-05-13
US5207908A (en)	1993-05-04
ES2118735T3 (es)	1998-10-01
JPH04227832A (ja)	1992-08-17
ATE166001T1 (de)	1998-05-15
DE69129382D1 (de)	1998-06-18
DE69129382T2 (de)	1999-01-21
DK0460769T3 (da)	1999-03-08
EP0460769A1 (en)	1991-12-11

Legal Events

Date	Code	Title	Description
1992-01-02	A1B	A search report has been drawn up
1993-02-01	BV	The patent application has lapsed

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