IL95809A - קרומים אסימטריים להפרדת גזים בעלי חוזק מיוחד - Google Patents
קרומים אסימטריים להפרדת גזים בעלי חוזק מיוחדInfo
- Publication number
- IL95809A IL95809A IL9580990A IL9580990A IL95809A IL 95809 A IL95809 A IL 95809A IL 9580990 A IL9580990 A IL 9580990A IL 9580990 A IL9580990 A IL 9580990A IL 95809 A IL95809 A IL 95809A
- Authority
- IL
- Israel
- Prior art keywords
- solvent
- membrane
- membranes
- polymer
- dope
- Prior art date
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)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Artificial Filaments (AREA)
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 (he) | 1995-03-30 |
Family
ID=23636000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9580990A IL95809A (he) | 1989-09-27 | 1990-09-26 | קרומים אסימטריים להפרדת גזים בעלי חוזק מיוחד |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5013767A (he) |
| EP (1) | EP0420832B1 (he) |
| JP (1) | JPH03123628A (he) |
| KR (1) | KR930005295B1 (he) |
| AT (1) | ATE124882T1 (he) |
| CA (1) | CA2026242A1 (he) |
| DE (1) | DE69020839T2 (he) |
| IL (1) | IL95809A (he) |
Families Citing this family (6)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL271831A (he) * | 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 |
| FR2424940A1 (fr) * | 1978-05-03 | 1979-11-30 | Rhone Poulenc Ind | Compositions polymeriques pour membranes |
| 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 |
| PL223052A1 (he) * | 1979-03-28 | 1981-01-30 | Monsanto Co | |
| US4629563B1 (en) * | 1980-03-14 | 1997-06-03 | Memtec North America | Asymmetric membranes |
| JPS59189903A (ja) * | 1983-04-09 | 1984-10-27 | Kanegafuchi Chem Ind Co Ltd | 中空糸状フイルタ−およびその製法 |
| EP0147570B1 (en) * | 1983-11-30 | 1990-11-14 | American Cyanamid Company | Process for the manufacture of asymmetric, porous membranes and product thereof |
| US4906375A (en) * | 1984-07-14 | 1990-03-06 | Fresenius, Ag | Asymmetrical microporous hollow fiber for hemodialysis |
| JPS6190709A (ja) * | 1984-10-12 | 1986-05-08 | Asahi Chem Ind Co Ltd | ポリスルホン系中空糸膜の製造方法 |
| JPH0634910B2 (ja) * | 1985-07-19 | 1994-05-11 | 旭化成工業株式会社 | ポリスルホン系膜の製造方法 |
| JPH0693981B2 (ja) * | 1986-01-23 | 1994-11-24 | 旭化成工業株式会社 | 気体選択透過膜 |
| US4695383A (en) * | 1986-03-12 | 1987-09-22 | Toyo Boseki Kabushiki Kaisha | Permselective membrane |
| EP0257012B1 (en) * | 1986-08-15 | 1992-10-07 | PERMEA, Inc. | Asymmetric gas separation membranes having graded density skins |
| US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming asymmetric gas separation membranes having graded density skins |
| US4840819A (en) * | 1987-04-08 | 1989-06-20 | Union Carbide Corporation | Method for preparing composite membranes for enhanced gas separation |
| DE3851572T2 (de) * | 1987-06-12 | 1995-05-24 | Kuraray Co | Polysulfon-Hohlfasermembran und Verfahren zu ihrer Herstellung. |
| US4882057A (en) * | 1988-11-03 | 1989-11-21 | W. R. Grace & Co.-Conn. | Composition and process for separating fluid mixtures |
| US4902422A (en) * | 1988-12-06 | 1990-02-20 | Board Regents The University Of Texas System | Defect-free ultrahigh flux asymmetric membranes |
| US4894159A (en) * | 1989-06-05 | 1990-01-16 | National Research Council Of Canada | Method of manufacturing a reverse osmosis membrane and the membrane so produced |
-
1989
- 1989-09-27 US US07/413,137 patent/US5013767A/en not_active Expired - Fee Related
-
1990
- 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 JP JP2256785A patent/JPH03123628A/ja active Pending
- 1990-09-26 IL IL9580990A patent/IL95809A/he not_active IP Right Cessation
- 1990-09-26 CA CA002026242A patent/CA2026242A1/en not_active Abandoned
- 1990-09-26 EP EP90870156A patent/EP0420832B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0420832A3 (en) | 1991-07-17 |
| DE69020839D1 (de) | 1995-08-17 |
| DE69020839T2 (de) | 1995-12-07 |
| CA2026242A1 (en) | 1991-03-28 |
| KR930005295B1 (ko) | 1993-06-17 |
| EP0420832B1 (en) | 1995-07-12 |
| KR910005913A (ko) | 1991-04-27 |
| EP0420832A2 (en) | 1991-04-03 |
| IL95809A0 (en) | 1991-06-30 |
| JPH03123628A (ja) | 1991-05-27 |
| ATE124882T1 (de) | 1995-07-15 |
| US5013767A (en) | 1991-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4871494A (en) | Process for forming asymmetric gas separation membranes having graded density skins | |
| US4880441A (en) | Asymmetric gas separation membranes having graded density skins | |
| US5181940A (en) | Hollow fiber membranes | |
| US5468430A (en) | Process of making multicomponent or asymmetric gas separation membranes | |
| Chung et al. | Formation of ultrathin high-performance polyethersulfone hollow-fiber membranes | |
| US5795920A (en) | Polymeric dope solution for use in the preparation of an integrally skinned asymmetric membrane | |
| Kesting et al. | The second‐generation polysulfone gas‐separation membrane. I. The use of lewis acid: base complexes as transient templates to increase free volume | |
| US5013339A (en) | Compositions useful for making microporous polyvinylidene fluoride membranes, and process | |
| US4992221A (en) | Asymmetric gas separation membranes having improved strength | |
| Plisko et al. | Influence of the concentration and molecular weight of polyethylene glycol on the structure and permeability of polysulfone hollow fiber membranes | |
| US6017474A (en) | Highly permeable polyethersulfone hollow fiber membranes for gas separation | |
| Puri | Fabrication of hollow fibre gas separation membranes | |
| US5013767A (en) | Asymmetric gas separation membranes having improved strength | |
| Miao et al. | Production of polyethersulfone hollow fiber ultrafiltration membranes. I. effects of water (internal coagulant) flow rate (WFR) and length of air gap (LAG) | |
| US6015516A (en) | Ultrathin high-performance hollow fiber membranes | |
| KR100835655B1 (ko) | 기체분리막 제조방법 및 이로부터 제조된 기체분리막 | |
| Ma et al. | Standardization in the production and testing procedures for polyethersulfone hollow fiber ultrafiltration membranes | |
| JPH0371168B2 (he) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |