KR100447932B1 - 실리콘이 함유된 내유기용매성 폴리아미드 나노복합막과 이의 제조방법 - Google Patents
실리콘이 함유된 내유기용매성 폴리아미드 나노복합막과 이의 제조방법 Download PDFInfo
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- KR100447932B1 KR100447932B1 KR10-2001-0064598A KR20010064598A KR100447932B1 KR 100447932 B1 KR100447932 B1 KR 100447932B1 KR 20010064598 A KR20010064598 A KR 20010064598A KR 100447932 B1 KR100447932 B1 KR 100447932B1
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- KR
- South Korea
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- membrane
- nanocomposite membrane
- separation
- organic solvents
- organic solvent
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Classifications
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- 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
- B01D71/70—Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
- B01D71/701—Polydimethylsiloxane
-
- 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
- B01D71/70—Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
-
- 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
-
- 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
-
- 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
- B01D71/56—Polyamides, e.g. polyester-amides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
분리막 | 투과량(㎥/㎡·day) | 배제율(%) |
실시예 1 | 3.0 | 93 |
실시예 2 | 4.1 | 76 |
비교예 1 | 0.2 | 68 |
비교예 2 | 5.0 | 13 |
PDMS 농도 : 2 중량% 고정 | |||
MPD 농도(중량%) | TMC 농도(중량%) | 투과량(㎥/㎡·day) | 배제율(%) |
0.5 | 0.025 | 1.23 | 94 |
1.0 | 0.05 | 0.53 | 94 |
2.0 | 0.1 | 0.31 | 96 |
MPD 농도 : 0.25 중량% 고정, TMC 농도 : 0.0125 중량% 고정 | ||
PDMS 농도(중량%) | 투과량(㎥/㎡·day) | 배제율(%) |
0.2 | 0.5 | 76 |
0.5 | 1.1 | 87 |
1.0 | 2.5 | 93 |
측정용질 | 투과량(㎥/㎡·day) | 배제율(%) |
Sudan IV 염료 | 3.0 | 95 |
왁스가 제거된 오일 | 3.0 | 93 |
용매 | H2O | MeOH | EtOH | IPA | aceton | MEK | MTBE | EA | DEE | hexane |
투과량(㎥/㎡·day) | 0.09 | 1.75 | 1.29 | 0.88 | 2.58 | 1.95 | 2.92 | 2.81 | 4.55 | 3.00 |
배제율(%) | - | 95 | 90 | 87 | 95 | 95 | 95 | 93 | 91 | 93 |
Claims (6)
- 다공성 지지체 표면에, 폴리아미드와 폴리디메틸실록산이 포함된 스킨층이 형성된 구조를 이루고 있는 것임을 특징으로 하는 내유기용매성 폴리아미드 나노복합막.
- 제 1 항에 있어서, 상기 나노복합막은 유기용매에 녹아 있는 저분자량 화합물(분자량 100 ∼ 1000)의 분리에 사용되는 것임을 특징으로 하는 내유기용매성 폴리아미드 나노복합막.
- 다공성 지지체 표면에서,0.1 ∼ 10 중량% 농도의 디아민 단량체와 0.005 ∼ 5 중량% 농도의 디카르복시산 단량체를 사용하여 계면중합함과 동시에 0.1 ∼ 3 중량% 농도의 폴리디메틸실록산을 코팅하여 스킨층을 형성하는 것을 특징으로 하는 내유기용매성 폴리아미드 나노복합막의 제조방법.
- 삭제
- 제 3 항에 있어서, 상기 다공성 지지체가 폴리아크릴로니트릴 한외여과막인 것을 특징으로 하는 내유기용매성 폴리아미드 나노복합막의 제조방법.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0064598A KR100447932B1 (ko) | 2001-10-19 | 2001-10-19 | 실리콘이 함유된 내유기용매성 폴리아미드 나노복합막과 이의 제조방법 |
US10/147,071 US6887380B2 (en) | 2001-10-19 | 2002-05-17 | Silicone-coated organic solvent resistant polyamide composite nanofiltration membrane, and method for preparing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0064598A KR100447932B1 (ko) | 2001-10-19 | 2001-10-19 | 실리콘이 함유된 내유기용매성 폴리아미드 나노복합막과 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030032652A KR20030032652A (ko) | 2003-04-26 |
KR100447932B1 true KR100447932B1 (ko) | 2004-09-08 |
Family
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Application Number | Title | Priority Date | Filing Date |
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KR10-2001-0064598A KR100447932B1 (ko) | 2001-10-19 | 2001-10-19 | 실리콘이 함유된 내유기용매성 폴리아미드 나노복합막과 이의 제조방법 |
Country Status (2)
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US (1) | US6887380B2 (ko) |
KR (1) | KR100447932B1 (ko) |
Cited By (1)
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KR100876541B1 (ko) | 2007-03-16 | 2008-12-31 | 명지대학교 산학협력단 | 다공성 알루미늄실리케이트 나노입자를 함유하는 pdms혼합막 |
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US20080135482A1 (en) * | 2006-11-27 | 2008-06-12 | Kripal Singh | Polyamide nanofiltration membrane useful for the removal of phospholipids |
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- 2001-10-19 KR KR10-2001-0064598A patent/KR100447932B1/ko active IP Right Grant
-
2002
- 2002-05-17 US US10/147,071 patent/US6887380B2/en not_active Expired - Lifetime
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JPS5895539A (ja) * | 1981-11-30 | 1983-06-07 | Mitsubishi Chem Ind Ltd | 気体分離膜 |
JPS5949802A (ja) * | 1982-09-17 | 1984-03-22 | Teijin Ltd | 気体分離用選択透過膜 |
JPS5955313A (ja) * | 1982-09-22 | 1984-03-30 | Agency Of Ind Science & Technol | 複合分離膜の製造法 |
JPH057750A (ja) * | 1991-07-05 | 1993-01-19 | Sumitomo Bakelite Co Ltd | 物質分離用複合膜 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100876541B1 (ko) | 2007-03-16 | 2008-12-31 | 명지대학교 산학협력단 | 다공성 알루미늄실리케이트 나노입자를 함유하는 pdms혼합막 |
Also Published As
Publication number | Publication date |
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US20030098274A1 (en) | 2003-05-29 |
KR20030032652A (ko) | 2003-04-26 |
US6887380B2 (en) | 2005-05-03 |
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