KR900702310A - 물에 젖은 폴리카보네이트막을 건조시키는 방법 - Google Patents
물에 젖은 폴리카보네이트막을 건조시키는 방법Info
- Publication number
- KR900702310A KR900702310A KR1019900700031A KR900700031A KR900702310A KR 900702310 A KR900702310 A KR 900702310A KR 1019900700031 A KR1019900700031 A KR 1019900700031A KR 900700031 A KR900700031 A KR 900700031A KR 900702310 A KR900702310 A KR 900702310A
- Authority
- KR
- South Korea
- Prior art keywords
- membrane
- alcohol
- water
- polycarbonate
- pretreatment
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
-
- 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
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Drying Of Solid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Saccharide Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (10)
- A) 막이 적어도 한쪽면을 적어도 하나의 C1-4알콜(여기서, 알콜은 막의 형태적 구조를 변형시킨다)을 함유하는 예비처리 유체와 접촉시켜, 막의 가스 선택성을 증가시키고, B) 막의 적어도 한쪽 면을 공기 또는 불활성 가스와 접촉시킴으로써 막을 건조시켜, 거의 모든 알콜 및/또는 물을 막으로부터 증발시키는 단계를 포함함을 특정으로 하여, 물에 젖은 폴리카보네이트 막을 건조시키는 방법,
- 제1항에 있어서, 예비처리 유체가 액체이고, 막의 적어도 한 면을 모든 잔류 용매 및 비용매를 알콜로 제거한 조건하에서 예비처리 액체와 접촉시켜 막의 가스 유동을 증가시키는 방법
- 제2항에 있어서, 폴리카보네이트 막을 하기 일반식에 상응하는 주쇄 단위를 갖는 중합체로부터 제조하는 방법.상기식에서, R은 각각 독립적으로-CO-,-S-,S02-,-O-,-C1-62가 탄수화수소 라디칼, 불활성적으로 치환된 C1-6탄화수소 라디칼, 또는 C1-162가 탄화수소 라칼이고; X는 각각 독립적으로 H, Cl, Br, F, C1-4알킬, 또는 C1-4할로알킬이며:n은 20 이상의 양의 실수이다.
- 제3항에 있어서, R이 C1-62가 탄수화수소 라디칼이고:X가,H,Cl ,Br, F, 또는 메틸인 방법.
- 제4항에 있어서, 폴리카보네이트 막이 비대칭막 또는 중공섬유 형태인 방법.
- 제5항에 있어서, 폴리카보네이트 막을 2,2-비스(3,5-디브로모-4-하이드록시페닐)프로판으로부터 제조하는 방법.
- 제5항에 있어서, 적어도 하나의 C1-4알콜이 메탄올, 에탄올, 또는 이의 혼합물인 방법.
- 제7항에 있어서, 알콜의 노도가 0,1중량% 미만이 되도록 막 중의 용매 및 비용매를 제거하는 방법.
- 제8항에 있어서, 예비처리 용액 중의 알콜 농도가 5 내지 50용적%인 방법.
- 제9항에 있어서, 건조된 막이 적어도 6개의 산소/질소용 분리인자 및 적어도 약0.9Barrers의 산소 투과 성을 갖는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US192,275 | 1988-05-10 | ||
US07/192,275 US4843733A (en) | 1988-05-10 | 1988-05-10 | Process for drying water-wet polycarbonate membranes |
PCT/US1989/001911 WO1989011330A1 (en) | 1988-05-10 | 1989-05-05 | A process for drying water-wet polycarbonate membranes |
Publications (1)
Publication Number | Publication Date |
---|---|
KR900702310A true KR900702310A (ko) | 1990-12-06 |
Family
ID=22709004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900700031A KR900702310A (ko) | 1988-05-10 | 1989-05-05 | 물에 젖은 폴리카보네이트막을 건조시키는 방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US4843733A (ko) |
EP (1) | EP0341696B1 (ko) |
JP (1) | JPH02504125A (ko) |
KR (1) | KR900702310A (ko) |
CN (1) | CN1038156A (ko) |
AT (1) | ATE124881T1 (ko) |
AU (1) | AU612282B2 (ko) |
BR (1) | BR8906983A (ko) |
CA (1) | CA1322444C (ko) |
DE (1) | DE68923397D1 (ko) |
IL (1) | IL90242A (ko) |
WO (1) | WO1989011330A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4959082A (en) * | 1989-07-20 | 1990-09-25 | The Dow Chemical Company | Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same |
US5141530A (en) * | 1991-08-22 | 1992-08-25 | The Dow Chemical Company | Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same |
US5163977A (en) * | 1991-08-22 | 1992-11-17 | The Dow Chemical Company | Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same |
US5409524A (en) * | 1992-12-01 | 1995-04-25 | The Dow Chemical Company | Membranes having improved selectivity and recovery, and process for making same |
JP2006299161A (ja) * | 2005-04-22 | 2006-11-02 | Mitsubishi Chemicals Corp | ポリエステル樹脂の精製処理方法 |
CN102087247A (zh) * | 2010-11-04 | 2011-06-08 | 中山市创先宝艺珠宝有限公司 | 一种识别宝石的装置及方法 |
CN102963153B (zh) * | 2012-02-21 | 2015-08-26 | 苑执中 | 钻石指纹证书制作方法 |
CN105312251B (zh) * | 2015-11-09 | 2018-10-12 | 虞雅仙 | 一种水钻检查设备 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3592672A (en) * | 1969-12-22 | 1971-07-13 | Eastman Kodak Co | Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation |
US3709774A (en) * | 1970-05-13 | 1973-01-09 | Gen Electric | Preparation of asymmetric polymer membranes |
US4048271A (en) * | 1972-10-02 | 1977-09-13 | Chemical Systems, Inc. | Dry process for forming polycarbonate membranes |
US3842515A (en) * | 1972-11-20 | 1974-10-22 | Helium A Ltd | Method for drying water-wet membranes |
GB1507921A (en) * | 1974-04-01 | 1978-04-19 | Gen Electric | Membranes |
US4080743A (en) * | 1976-06-22 | 1978-03-28 | E. I. Du Pont De Nemours And Company | Membrane drying process |
US4080744A (en) * | 1976-06-22 | 1978-03-28 | E. I. Du Pont De Nemours And Company | Gas separation membrane drying with water replacement liquid |
US4120098A (en) * | 1976-06-22 | 1978-10-17 | E. I. Du Pont De Nemours And Company | Solvent exchange drying of membranes for gas separation |
US4068387A (en) * | 1976-07-06 | 1978-01-17 | E. I. Du Pont De Nemours And Company | Solvent drying of cellulose ester membranes |
US4230463A (en) * | 1977-09-13 | 1980-10-28 | Monsanto Company | Multicomponent membranes for gas separations |
US4219517A (en) * | 1978-10-12 | 1980-08-26 | Puropore Inc. | Process for spinning dense hollow fiber cellulosic membrane |
IL59581A0 (en) * | 1979-03-28 | 1980-06-30 | Monsanto Co | Methods for preparing anisotropic membranes and membranes prepared therefrom |
US4430807A (en) * | 1982-05-17 | 1984-02-14 | The Dow Chemical Company | Process for drying water-wet membranes |
US4715960A (en) * | 1983-03-10 | 1987-12-29 | Exxon Research And Engineering Company | Method for the modification of polycarbonate membranes, the membranes produced by such method and their use |
JPS59166208A (ja) * | 1983-03-10 | 1984-09-19 | Toray Ind Inc | 気体分離膜の製造法 |
EP0141793A1 (en) * | 1983-06-30 | 1985-05-15 | Monsanto Company | Asymmetric gas separation membranes having increased selectivy, and process for their production |
DD219804A1 (de) * | 1983-11-30 | 1985-03-13 | Medizin Labortechnik Veb K | Verfahren zur entfernung eines lumenfuellers aus hohlfasern |
DE3566954D1 (en) * | 1984-03-20 | 1989-02-02 | Akzo Gmbh | Cellulose dialysis membrane with improved biocompatibility |
JPS6238207A (ja) * | 1985-08-09 | 1987-02-19 | Agency Of Ind Science & Technol | ポリイミド中空糸の製法 |
AU594755B2 (en) * | 1986-04-14 | 1990-03-15 | Dow Chemical Company, The | Semi-permeable membranes comprising predominantly of polycarbonates derived from tetrahalbisphenols |
US4772392A (en) * | 1987-11-06 | 1988-09-20 | The Dow Chemical Company | Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates |
JP2750006B2 (ja) * | 1990-12-20 | 1998-05-13 | 三菱重工業株式会社 | 酸素再成システム |
-
1988
- 1988-05-10 US US07/192,275 patent/US4843733A/en not_active Expired - Fee Related
-
1989
- 1989-05-05 JP JP1508503A patent/JPH02504125A/ja active Pending
- 1989-05-05 WO PCT/US1989/001911 patent/WO1989011330A1/en unknown
- 1989-05-05 AU AU40475/89A patent/AU612282B2/en not_active Ceased
- 1989-05-05 KR KR1019900700031A patent/KR900702310A/ko not_active Application Discontinuation
- 1989-05-05 BR BR898906983A patent/BR8906983A/pt not_active Application Discontinuation
- 1989-05-09 CN CN89104428A patent/CN1038156A/zh active Pending
- 1989-05-09 IL IL90242A patent/IL90242A/xx unknown
- 1989-05-09 CA CA000599076A patent/CA1322444C/en not_active Expired - Fee Related
- 1989-05-10 DE DE68923397T patent/DE68923397D1/de not_active Expired - Lifetime
- 1989-05-10 AT AT89108430T patent/ATE124881T1/de active
- 1989-05-10 EP EP89108430A patent/EP0341696B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4843733A (en) | 1989-07-04 |
IL90242A (en) | 1993-05-13 |
EP0341696A3 (en) | 1990-03-21 |
JPH02504125A (ja) | 1990-11-29 |
DE68923397D1 (de) | 1995-08-17 |
EP0341696B1 (en) | 1995-07-12 |
AU612282B2 (en) | 1991-07-04 |
IL90242A0 (en) | 1989-12-15 |
BR8906983A (pt) | 1990-12-18 |
EP0341696A2 (en) | 1989-11-15 |
CN1038156A (zh) | 1989-12-20 |
AU4047589A (en) | 1989-12-12 |
CA1322444C (en) | 1993-09-28 |
WO1989011330A1 (en) | 1989-11-30 |
ATE124881T1 (de) | 1995-07-15 |
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Legal Events
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WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |