KR0183458B1 - 비대칭다공막과 그 제조방법 - Google Patents
비대칭다공막과 그 제조방법 Download PDFInfo
- Publication number
- KR0183458B1 KR0183458B1 KR1019950042535A KR19950042535A KR0183458B1 KR 0183458 B1 KR0183458 B1 KR 0183458B1 KR 1019950042535 A KR1019950042535 A KR 1019950042535A KR 19950042535 A KR19950042535 A KR 19950042535A KR 0183458 B1 KR0183458 B1 KR 0183458B1
- Authority
- KR
- South Korea
- Prior art keywords
- porous membrane
- membrane
- polymer
- solution
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 112
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000002344 surface layer Substances 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 239000011148 porous material Substances 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims abstract description 26
- 230000007547 defect Effects 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims description 70
- 239000002904 solvent Substances 0.000 claims description 44
- 238000009987 spinning Methods 0.000 claims description 24
- 238000001556 precipitation Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 15
- 239000006184 cosolvent Substances 0.000 claims description 15
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- 229920002492 poly(sulfone) Polymers 0.000 claims description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920001601 polyetherimide Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 1
- 210000002700 urine Anatomy 0.000 claims 1
- 239000007789 gas Substances 0.000 description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 35
- 230000035699 permeability Effects 0.000 description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000012510 hollow fiber Substances 0.000 description 13
- 238000000635 electron micrograph Methods 0.000 description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 8
- 239000000701 coagulant Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 1
- 239000002879 Lewis base Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
Classifications
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
-
- 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
-
- 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
- B01D71/50—Polycarbonates
-
- 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
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
-
- 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
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
- B01D71/643—Polyether-imides
-
- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/219—Specific solvent system
-
- 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
- B01D2325/0231—Dense layers being placed on the outer side of the cross-section
-
- 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
- B01D2325/0283—Pore size
- B01D2325/02834—Pore size more than 0.1 and up to 1 µm
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims (7)
- 고분자를 공용매에 용해하여 방사요액을 제조하고, 상기 방사용액을 이중관형 구금을 통해 일정한 높이의 에어-갭을 두고 침전 용액을 포함하는 응고액조로 방사한 후, 수세 및 건조하는 공정을 포함하는 비대칭성 다공막의 제조방법에 있어서, 상기한 공용매는 고분자에 대하여 용해도가 큰 주용매와 이 주용매보다 끊는점 온도가 크게 낮은 보조용매를 포함하고, 상기 방사용액은 25-40 중량%의 고분자를 포함하는 것을 특징으로 하는 비대칭성 다공마의 제조방법.
- 제1항에 있어서, 상기 고분자는 폴리설폰, 폴리에테르설폰, 포리에테르이미드, 폴리이미드, 폴리카보네이트로 이루어진 그룹 중에서 선택되는 제조방법.
- 제1항에 있어서, 상기 주용매는 N-메틸피롤리돈, N,N-디메틸포름아마이드, 디메틸아세트아마이드, 디메틸설폭사이드 또는 이들의 혼합물로 이루어진 그룹 중에서 선택되는 제조방법.
- 제1항에 있어서, 상기 보조용매는 테트라하이드로퓨란, 메틸아세테이트, 에틸아세테이트, 1,2-디클로로에탄, 아세톤, 메틸렌 클로라이드 및 이들의 혼합물로 이루어진 그룹 주에서 선택되는 제조방법.
- 제1항에 있어서, 상기한 침전용액으로는 10∼40℃의 물을 사용하는 제조방법.
- 제1항의 제조방법에 따라 제조된 결함이 없이 치밀한 표면층과; 크기가 1㎛이하의 기공이 다수 분포하여 5㎛2이상의 평균기공표면적을 갖는 이면층을; 포함하는 기체분리용 비대칭성 다공막.
- 제6항에 있어서, 상기 기공의 크기가 0.5㎛이하인 기체분리용 비대칭성 다공막.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950042535A KR0183458B1 (ko) | 1995-11-21 | 1995-11-21 | 비대칭다공막과 그 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950042535A KR0183458B1 (ko) | 1995-11-21 | 1995-11-21 | 비대칭다공막과 그 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970025682A KR970025682A (ko) | 1997-06-24 |
| KR0183458B1 true KR0183458B1 (ko) | 1999-04-15 |
Family
ID=19434952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950042535A Expired - Lifetime KR0183458B1 (ko) | 1995-11-21 | 1995-11-21 | 비대칭다공막과 그 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0183458B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381463B1 (ko) * | 2000-08-23 | 2003-04-26 | 하성용 | 이중 상분리유도법을 이용한 기체분리막 제조방법 |
| WO2011149165A1 (ko) * | 2010-05-28 | 2011-12-01 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100555663B1 (ko) | 2004-06-10 | 2006-03-03 | 삼성전자주식회사 | 아날로그 방송과 디지털 방송의 음향신호의 자동보정장치및 그 보정방법 |
-
1995
- 1995-11-21 KR KR1019950042535A patent/KR0183458B1/ko not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381463B1 (ko) * | 2000-08-23 | 2003-04-26 | 하성용 | 이중 상분리유도법을 이용한 기체분리막 제조방법 |
| WO2011149165A1 (ko) * | 2010-05-28 | 2011-12-01 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
| KR101157514B1 (ko) * | 2010-05-28 | 2012-06-20 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
| US9999996B2 (en) | 2010-05-28 | 2018-06-19 | Chung-Ang University Industry-Academy Cooperation Foundation | Polymer or polymer composite membrane having through-thickness micropores, and method for preparing same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970025682A (ko) | 1997-06-24 |
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