IL95809A - Asymmetrical membranes for separating gases with special strength - Google Patents

Asymmetrical membranes for separating gases with special strength

Info

Publication number: IL95809A
Authority: IL; Israel
Prior art keywords: solvent; membrane; membranes; polymer; dope
Prior art date: 1989-09-27

Application number

IL9580990A

Other languages

English (en)

Hebrew (he)

Other versions

IL95809A0 (en

Original Assignee

Permea Inc

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.)

1989-09-27

Filing date

1990-09-26

Publication date

1995-03-30

1990-09-26 Application filed by Permea Inc filed Critical Permea Inc

1991-06-30 Publication of IL95809A0 publication Critical patent/IL95809A0/xx

1995-03-30 Publication of IL95809A publication Critical patent/IL95809A/en

Links

239000012528 membrane Substances 0.000 title claims abstract description 253
238000000926 separation method Methods 0.000 title claims abstract description 95
239000002904 solvent Substances 0.000 claims abstract description 192
229920000642 polymer Polymers 0.000 claims abstract description 89
238000000034 method Methods 0.000 claims abstract description 52
230000008569 process Effects 0.000 claims abstract description 38
239000007787 solid Substances 0.000 claims abstract description 11
239000012510 hollow fiber Substances 0.000 claims description 47
238000005345 coagulation Methods 0.000 claims description 32
230000015271 coagulation Effects 0.000 claims description 32
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
238000009987 spinning Methods 0.000 claims description 21
239000002841 Lewis acid Substances 0.000 claims description 16
150000007517 lewis acids Chemical class 0.000 claims description 16
239000002879 Lewis base Substances 0.000 claims description 11
229920001600 hydrophobic polymer Polymers 0.000 claims description 11
150000007527 lewis bases Chemical class 0.000 claims description 11
238000002360 preparation method Methods 0.000 claims description 10
239000012530 fluid Substances 0.000 claims description 7
238000005406 washing Methods 0.000 claims description 7
150000001408 amides Chemical class 0.000 claims description 3
239000013557 residual solvent Substances 0.000 claims description 3
230000009477 glass transition Effects 0.000 claims description 2
238000001035 drying Methods 0.000 claims 2
125000004432 carbon atom Chemical group C* 0.000 claims 1
230000001112 coagulating effect Effects 0.000 claims 1
150000002763 monocarboxylic acids Chemical class 0.000 claims 1
230000035699 permeability Effects 0.000 abstract description 43
239000002253 acid Substances 0.000 abstract description 34
230000000536 complexating effect Effects 0.000 abstract description 7
239000007789 gas Substances 0.000 description 77
XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 50
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 42
238000012360 testing method Methods 0.000 description 31
239000002585 base Substances 0.000 description 29
238000001879 gelation Methods 0.000 description 29
229920002492 poly(sulfone) Polymers 0.000 description 25
235000019260 propionic acid Nutrition 0.000 description 25
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 25
239000000463 material Substances 0.000 description 22
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
239000000499 gel Substances 0.000 description 18
239000000835 fiber Substances 0.000 description 16
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
239000000203 mixture Substances 0.000 description 14
239000001301 oxygen Substances 0.000 description 14
229910052760 oxygen Inorganic materials 0.000 description 14
239000011248 coating agent Substances 0.000 description 13
238000000576 coating method Methods 0.000 description 13
238000000280 densification Methods 0.000 description 13
-1 aromatic sulfone Chemical class 0.000 description 12
230000015572 biosynthetic process Effects 0.000 description 12
230000003993 interaction Effects 0.000 description 12
238000000108 ultra-filtration Methods 0.000 description 12
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 11
208000012886 Vertigo Diseases 0.000 description 11
QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 11
ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 10
229910002092 carbon dioxide Inorganic materials 0.000 description 10
229910052757 nitrogen Inorganic materials 0.000 description 10
230000000694 effects Effects 0.000 description 9
230000004907 flux Effects 0.000 description 9
239000012466 permeate Substances 0.000 description 9
239000000523 sample Substances 0.000 description 9
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
150000007513 acids Chemical class 0.000 description 8
230000007547 defect Effects 0.000 description 8
229920002521 macromolecule Polymers 0.000 description 8
229910052698 phosphorus Inorganic materials 0.000 description 8
238000013459 approach Methods 0.000 description 7
239000007788 liquid Substances 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 7
239000011148 porous material Substances 0.000 description 7
238000004807 desolvation Methods 0.000 description 6
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 5
239000004695 Polyether sulfone Substances 0.000 description 5
238000010521 absorption reaction Methods 0.000 description 5
230000007423 decrease Effects 0.000 description 5
238000009472 formulation Methods 0.000 description 5
229920006393 polyether sulfone Polymers 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
230000008961 swelling Effects 0.000 description 5
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 4
KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 4
QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
230000036961 partial effect Effects 0.000 description 4
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 3
230000002378 acidificating effect Effects 0.000 description 3
230000002411 adverse Effects 0.000 description 3
238000005266 casting Methods 0.000 description 3
229920002301 cellulose acetate Polymers 0.000 description 3
230000001747 exhibiting effect Effects 0.000 description 3
230000006870 function Effects 0.000 description 3
239000008246 gaseous mixture Substances 0.000 description 3
239000011521 glass Substances 0.000 description 3
235000011187 glycerol Nutrition 0.000 description 3
239000001307 helium Substances 0.000 description 3
229910052734 helium Inorganic materials 0.000 description 3
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
230000006872 improvement Effects 0.000 description 3
239000011159 matrix material Substances 0.000 description 3
239000000047 product Substances 0.000 description 3
238000001228 spectrum Methods 0.000 description 3
DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 3
FEWLNYSYJNLUOO-UHFFFAOYSA-N 1-Piperidinecarboxaldehyde Chemical compound O=CN1CCCCC1 FEWLNYSYJNLUOO-UHFFFAOYSA-N 0.000 description 2
PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
238000005481 NMR spectroscopy Methods 0.000 description 2
229920000491 Polyphenylsulfone Polymers 0.000 description 2
239000000370 acceptor Substances 0.000 description 2
IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
230000008859 change Effects 0.000 description 2
239000000701 coagulant Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000000875 corresponding effect Effects 0.000 description 2
238000013461 design Methods 0.000 description 2
238000011161 development Methods 0.000 description 2
238000000113 differential scanning calorimetry Methods 0.000 description 2
AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
239000004205 dimethyl polysiloxane Substances 0.000 description 2
LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000001257 hydrogen Substances 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
230000002209 hydrophobic effect Effects 0.000 description 2
238000007654 immersion Methods 0.000 description 2
239000004310 lactic acid Substances 0.000 description 2
235000014655 lactic acid Nutrition 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000000155 melt Substances 0.000 description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
229910052753 mercury Inorganic materials 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
238000012856 packing Methods 0.000 description 2
238000005191 phase separation Methods 0.000 description 2
229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
239000002243 precursor Substances 0.000 description 2
230000000284 resting effect Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
241000894007 species Species 0.000 description 2
230000007704 transition Effects 0.000 description 2
238000002166 wet spinning Methods 0.000 description 2
WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 description 1
ODJUOZPKKHIEOZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3,5-dimethylphenyl)propan-2-yl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=C(C)C=2)=C1 ODJUOZPKKHIEOZ-UHFFFAOYSA-N 0.000 description 1
241001432959 Chernes Species 0.000 description 1
101710109733 ECF RNA polymerase sigma-E factor Proteins 0.000 description 1
102000003939 Membrane transport proteins Human genes 0.000 description 1
108090000301 Membrane transport proteins Proteins 0.000 description 1
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
229920003295 Radel® Polymers 0.000 description 1
229920004695 VICTREX™ PEEK Polymers 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000000137 annealing Methods 0.000 description 1
VMPVEPPRYRXYNP-UHFFFAOYSA-I antimony(5+);pentachloride Chemical compound Cl[Sb](Cl)(Cl)(Cl)Cl VMPVEPPRYRXYNP-UHFFFAOYSA-I 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
150000001559 benzoic acids Chemical class 0.000 description 1
150000007516 brønsted-lowry acids Chemical class 0.000 description 1
238000004364 calculation method Methods 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000002301 combined effect Effects 0.000 description 1
238000005056 compaction Methods 0.000 description 1
230000009918 complex formation Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000001739 density measurement Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010612 desalination reaction Methods 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
230000005292 diamagnetic effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000001229 dry--wet phase inversion technique Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical class CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
229940116333 ethyl lactate Drugs 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
238000004817 gas chromatography Methods 0.000 description 1
230000008570 general process Effects 0.000 description 1
150000002311 glutaric acids Chemical class 0.000 description 1
229920000578 graft copolymer Polymers 0.000 description 1
238000002329 infrared spectrum Methods 0.000 description 1
230000010354 integration Effects 0.000 description 1
230000009061 membrane transport Effects 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000010791 quenching Methods 0.000 description 1
230000000171 quenching effect Effects 0.000 description 1
230000008707 rearrangement Effects 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
229920005573 silicon-containing polymer Polymers 0.000 description 1
238000000935 solvent evaporation Methods 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
230000003595 spectral effect Effects 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
239000000758 substrate Substances 0.000 description 1
150000003457 sulfones Chemical class 0.000 description 1
238000010998 test method Methods 0.000 description 1
230000032258 transport Effects 0.000 description 1
125000005590 trimellitic acid group Chemical group 0.000 description 1
WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
230000035899 viability Effects 0.000 description 1
239000011800 void material Substances 0.000 description 1

Classifications

- 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
- 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
- B01D69/087—Details relating to the spinning process
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- 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
- B01D69/085—Details relating to the spinneret
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
- 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
- D01D5/06—Wet spinning methods
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
- 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)
Mechanical Engineering (AREA)
Textile Engineering (AREA)
Manufacturing & Machinery (AREA)
Dispersion Chemistry (AREA)
Health & Medical Sciences (AREA)
Inorganic Chemistry (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Compositions Of Macromolecular Compounds (AREA)
Artificial Filaments (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

IL9580990A 1989-09-27 1990-09-26 Asymmetrical membranes for separating gases with special strength IL95809A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/413,137 US5013767A (en)	1989-09-27	1989-09-27	Asymmetric gas separation membranes having improved strength

Publications (2)

Publication Number	Publication Date
IL95809A0 IL95809A0 (en)	1991-06-30
IL95809A true IL95809A (en)	1995-03-30

Family

ID=23636000

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL9580990A IL95809A (en)	1989-09-27	1990-09-26	Asymmetrical membranes for separating gases with special strength

Country Status (8)

Country	Link
US (1)	US5013767A (de)
EP (1)	EP0420832B1 (de)
JP (1)	JPH03123628A (de)
KR (1)	KR930005295B1 (de)
AT (1)	ATE124882T1 (de)
CA (1)	CA2026242A1 (de)
DE (1)	DE69020839T2 (de)
IL (1)	IL95809A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5700310A (en)	1995-12-29	1997-12-23	Mg Generon, Inc.	Removal of oil from compressed gas with macroporous polymeric adsorbent
US5886059A (en) *	1997-07-08	1999-03-23	Memtec America Corporation	Highly asymmetric polyethersulfone filtration membranes
DE10033401A1 (de) *	2000-07-08	2002-01-17	Univ Twente Fakultaet Chemisch	Membran und deren Verwendung
US7172075B1 (en) *	2003-08-08	2007-02-06	Accord Partner Limited	Defect free composite membranes, method for producing said membranes and use of the same
US20060249018A1 (en) *	2005-05-04	2006-11-09	Hua Wang	Nucleophilic modifier functionalized and/or crosslinked solvent-resistant polymide and copolymer membranes
KR102189778B1 (ko) *	2018-12-06	2020-12-11	건양대학교 산학협력단	손의 피로도를 감소시키는 맥파감지 장치

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL271831A (de) *	1960-11-29
US3886066A (en) *	1972-11-06	1975-05-27	Du Pont	Tannin treatment for non-porous semipermeable membranes
JPS5857205B2 (ja) *	1976-02-02	1983-12-19	住友化学工業株式会社	半透膜の製造方法
US4230463A (en) *	1977-09-13	1980-10-28	Monsanto Company	Multicomponent membranes for gas separations
JPS53149181A (en) *	1977-06-01	1978-12-26	Daicel Chem Ind Ltd	Semipermeable membrane
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1989
- 1989-09-27 US US07/413,137 patent/US5013767A/en not_active Expired - Fee Related
1990
- 1990-09-26 EP EP90870156A patent/EP0420832B1/de not_active Expired - Lifetime
- 1990-09-26 CA CA002026242A patent/CA2026242A1/en not_active Abandoned
- 1990-09-26 AT AT90870156T patent/ATE124882T1/de active
- 1990-09-26 KR KR1019900015313A patent/KR930005295B1/ko not_active Expired - Fee Related
- 1990-09-26 DE DE69020839T patent/DE69020839T2/de not_active Expired - Fee Related
- 1990-09-26 IL IL9580990A patent/IL95809A/en not_active IP Right Cessation
- 1990-09-26 JP JP2256785A patent/JPH03123628A/ja active Pending

Also Published As

Publication number	Publication date
EP0420832A3 (en)	1991-07-17
ATE124882T1 (de)	1995-07-15
KR930005295B1 (ko)	1993-06-17
KR910005913A (ko)	1991-04-27
CA2026242A1 (en)	1991-03-28
EP0420832A2 (de)	1991-04-03
IL95809A0 (en)	1991-06-30
EP0420832B1 (de)	1995-07-12
DE69020839T2 (de)	1995-12-07
DE69020839D1 (de)	1995-08-17
JPH03123628A (ja)	1991-05-27
US5013767A (en)	1991-05-07

Legal Events

Date	Code	Title	Description
1997-07-13	RH	Patent void

Publication	Publication Date	Title
US4871494A (en)	1989-10-03	Process for forming asymmetric gas separation membranes having graded density skins
US4880441A (en)	1989-11-14	Asymmetric gas separation membranes having graded density skins
US5181940A (en)	1993-01-26	Hollow fiber membranes
US5468430A (en)	1995-11-21	Process of making multicomponent or asymmetric gas separation membranes
Chung et al.	1997	Formation of ultrathin high-performance polyethersulfone hollow-fiber membranes
Kesting et al.	1990	The second‐generation polysulfone gas‐separation membrane. I. The use of lewis acid: base complexes as transient templates to increase free volume
US5013339A (en)	1991-05-07	Compositions useful for making microporous polyvinylidene fluoride membranes, and process
US4992221A (en)	1991-02-12	Asymmetric gas separation membranes having improved strength
US10946345B2 (en)	2021-03-16	Microporous polyvinylidene fluoride membrane
EP0761291A1 (de)	1997-03-12	Polymerspinnlösung zur Herstellung einer ultradünnen integralasymmetrischen Membran
Plisko et al.	2016	Influence of the concentration and molecular weight of polyethylene glycol on the structure and permeability of polysulfone hollow fiber membranes
US6017474A (en)	2000-01-25	Highly permeable polyethersulfone hollow fiber membranes for gas separation
Puri	1990	Fabrication of hollow fibre gas separation membranes
US5013767A (en)	1991-05-07	Asymmetric gas separation membranes having improved strength
Miao et al.	1996	Production of polyethersulfone hollow fiber ultrafiltration membranes. I. effects of water (internal coagulant) flow rate (WFR) and length of air gap (LAG)
US6015516A (en)	2000-01-18	Ultrathin high-performance hollow fiber membranes
KR20070119799A (ko)	2007-12-21	기체분리막 제조방법 및 이로부터 제조된 기체분리막
Matveev et al.	2021	Influence of spinneret dimensional parameters on gas separation properties of polysulfone hollow fiber membranes
Ma et al.	1995	Standardization in the production and testing procedures for polyethersulfone hollow fiber ultrafiltration membranes
JPH0371168B2 (de)	1991-11-12