KR970025682A - 비대칭다공막과 그 제조방법 - Google Patents
비대칭다공막과 그 제조방법 Download PDFInfo
- Publication number
- KR970025682A KR970025682A KR1019950042535A KR19950042535A KR970025682A KR 970025682 A KR970025682 A KR 970025682A KR 1019950042535 A KR1019950042535 A KR 1019950042535A KR 19950042535 A KR19950042535 A KR 19950042535A KR 970025682 A KR970025682 A KR 970025682A
- Authority
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- South Korea
- Prior art keywords
- porous membrane
- asymmetric porous
- polymer
- cosolvent
- group
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract 8
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 239000011148 porous material Substances 0.000 claims abstract 6
- 239000010410 layer Substances 0.000 claims abstract 4
- 238000000926 separation method Methods 0.000 claims abstract 4
- 230000007547 defect Effects 0.000 claims abstract 2
- 239000002344 surface layer Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 5
- 239000006184 cosolvent Substances 0.000 claims 4
- 229920000642 polymer Polymers 0.000 claims 4
- 238000009987 spinning Methods 0.000 claims 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- 239000002904 solvent Substances 0.000 claims 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims 1
- 239000004695 Polyether sulfone Substances 0.000 claims 1
- 239000004697 Polyetherimide Substances 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 claims 1
- 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
- 238000005345 coagulation Methods 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 229920002492 poly(sulfone) Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 229920006393 polyether sulfone Polymers 0.000 claims 1
- 229920001601 polyetherimide Polymers 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 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
선택층과 지지층을 포함하는 기체분리용 비대칭 다공막에 일어서, 결함이 없이 치밀한 표면층과 크기가 1μm 이하의 기공이 다수 분포하여 5μm2이상의 평균기공표면적을 갖는 이면층을 포함하는 것을 특징으로 하는 기체 분리용 비대칭 다공막은 종래의 다공막과 비교하여 미세한 기공은 물론 다공도도 크게 향상되었다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (7)
- 고분자를 공용매에 용해하여 방사용액을 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 주용매보타 끊는점 온도가 크게 낮은 보조용매를 포함하고, 상기 방사용액은 25∼40중량%의 고분자를 포함하는 것을 특징으로 하는 비대칭성 다공막의 제조방법.
- 제1항에 있어서, 상기 고분자는 폴리설폰, 폴리에테르설폰, 폴리에테르이미드, 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-디클로로 에탄, 아세톤, 메틸렌 클로라이드 및 이들의 혼합물로 이루어진 그룹 중에서 선택되는 제조방법.
- 제1항에 있어서, 상기한 침전용액으로는 10~40℃의 물을 사용하는 제조방법.
- 제1항의 제조방법에 따라 제조된 결함이 없이 치밀한 표면층과; 크기가 1μm 이하의 기공이 다수 분포하여 5μm2이상의 평균기공표면적을 갖는 이면층을; 포함하는 기체분리용 비대칭성 다공막.
- 제6항에 있어서, 상기 기공의 크기가 0.5μm 이하인 기체분리용 비대칭성 다공막.※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
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 true KR970025682A (ko) | 1997-06-24 |
| KR0183458B1 KR0183458B1 (ko) | 1999-04-15 |
Family
ID=19434952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950042535A KR0183458B1 (ko) | 1995-11-21 | 1995-11-21 | 비대칭다공막과 그 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0183458B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7715566B2 (en) | 2004-06-10 | 2010-05-11 | Samsung Electronics Co., Ltd | Apparatus and method of automatically compensating a difference between audio signals of an analog broadcast and a digital broadcast |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381463B1 (ko) * | 2000-08-23 | 2003-04-26 | 하성용 | 이중 상분리유도법을 이용한 기체분리막 제조방법 |
| KR101157514B1 (ko) * | 2010-05-28 | 2012-06-20 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
-
1995
- 1995-11-21 KR KR1019950042535A patent/KR0183458B1/ko not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7715566B2 (en) | 2004-06-10 | 2010-05-11 | Samsung Electronics Co., Ltd | Apparatus and method of automatically compensating a difference between audio signals of an analog broadcast and a digital broadcast |
Also Published As
| Publication number | Publication date |
|---|---|
| KR0183458B1 (ko) | 1999-04-15 |
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