JPH07508214A - 親水性の膜 - Google Patents
親水性の膜Info
- Publication number
- JPH07508214A JPH07508214A JP6502301A JP50230194A JPH07508214A JP H07508214 A JPH07508214 A JP H07508214A JP 6502301 A JP6502301 A JP 6502301A JP 50230194 A JP50230194 A JP 50230194A JP H07508214 A JPH07508214 A JP H07508214A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- hydrophilic
- water
- polyurethane
- porous
- 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.)
- Granted
Links
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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/42—Impregnation with macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/62—Processes of molding porous films
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims (7)
- 1.1つの側面からもう1つの側面までの連続した気孔を有する多孔質フルオロ 高分子膜を含む透水性の親水性膜であって、膜の内部を、フルオロ脂肪族界面活 性剤と親水性で実質的に水不溶性のポリウレタンの混合物でコーティングした膜 。
- 2.膜が液体水に抵抗性であるが水蒸気透過性である請求の範囲第1項に記載の 親水性膜。
- 3.膜が延伸多孔質ポリテトラフルオロエチレンである請求の範囲第2項に記載 の親水性膜。
- 4.フルオロ脂肪族界面活性剤が式H2C(CF2)mの末端基を有し、ここで mは3〜8の整数であり、水に30ダイン/cm未満の表面張力を付与し、アル コール、エステル、有機酸、または有機塩である請求の範囲第1、2、又は3項 に記載の親水性膜。
- 5.親水性ポリウレタンがジシイシアネート、主にオキシエチレン基を有するポ リ(オキシアルキレン)グリコール、及び随意の選択により含める連鎖延長剤の 反応生成物である請求の範囲第1、2、又は3項に記載の親水性膜。
- 6.親水性ポリウレタンがジシイシアネート、主にオキシエチレン基を有するポ リ(オキシアルキレン)グリコール、及び随意の選択により含める連鎖延長剤の 反応生成物である請求の範囲第4項に記載の親水性膜。
- 7.1つの側面からもう1つの側面まで連続した気孔を有する親水性フルオロ高 分子膜を、有機溶媒中のフルオロ脂肪族界面活性剤と親水性で実質的に水不溶性 のポリウレタンの溶液に接触させ、次いで得られた膜を乾燥して溶媒を除去する 過程を含んでなる親水性膜の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US901,318 | 1992-06-19 | ||
US07/901,318 US5209850A (en) | 1992-06-19 | 1992-06-19 | Hydrophilic membranes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07508214A true JPH07508214A (ja) | 1995-09-14 |
JP3184531B2 JP3184531B2 (ja) | 2001-07-09 |
Family
ID=25413930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50230194A Expired - Lifetime JP3184531B2 (ja) | 1992-06-19 | 1992-07-07 | 親水性の膜 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5209850A (ja) |
EP (1) | EP0646043B1 (ja) |
JP (1) | JP3184531B2 (ja) |
DE (1) | DE69211020T2 (ja) |
WO (1) | WO1994000221A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008024932A (ja) * | 2006-07-17 | 2008-02-07 | General Electric Co <Ge> | 親水性物体及び製造方法 |
JP2016074828A (ja) * | 2014-10-07 | 2016-05-12 | 三菱マテリアル株式会社 | 親水撥油剤、表面被覆材、塗布膜、樹脂組成物、油水分離濾材及び多孔質体 |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4243995C2 (de) * | 1992-12-23 | 1996-07-25 | Gore W L & Ass Gmbh | Permanente hydrophile Modifizierung für Fluorpolymere und Verfahren zur Erzeugung der Modifizierung |
US5630941A (en) * | 1992-12-23 | 1997-05-20 | Burger; Wolfgang | Permanent hydrophilic modification of fluoropolymers |
US6254978B1 (en) * | 1994-11-14 | 2001-07-03 | W. L. Gore & Associates, Inc. | Ultra-thin integral composite membrane |
USRE37307E1 (en) | 1994-11-14 | 2001-08-07 | W. L. Gore & Associates, Inc. | Ultra-thin integral composite membrane |
US6054230A (en) * | 1994-12-07 | 2000-04-25 | Japan Gore-Tex, Inc. | Ion exchange and electrode assembly for an electrochemical cell |
WO1997010807A1 (en) * | 1995-09-22 | 1997-03-27 | Gore Hybrid Technologies, Inc. | Improved cell encapsulation device |
US5874165A (en) * | 1996-06-03 | 1999-02-23 | Gore Enterprise Holdings, Inc. | Materials and method for the immobilization of bioactive species onto polymeric subtrates |
US5916585A (en) * | 1996-06-03 | 1999-06-29 | Gore Enterprise Holdings, Inc. | Materials and method for the immobilization of bioactive species onto biodegradable polymers |
US5914182A (en) * | 1996-06-03 | 1999-06-22 | Gore Hybrid Technologies, Inc. | Materials and methods for the immobilization of bioactive species onto polymeric substrates |
DE19625389A1 (de) * | 1996-06-25 | 1998-01-02 | Gore W L & Ass Gmbh | Flexibler Verbundstoff |
JP2000503608A (ja) * | 1996-06-25 | 2000-03-28 | ダブリュ.エル.ゴア アンド アソシエーツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 可撓性で水及びオイルに抵抗性の複合材料 |
US5792711A (en) * | 1997-03-18 | 1998-08-11 | Porous Media Corporation | Antiwetting composition for fabrics and fibrous substrates |
US6635384B2 (en) | 1998-03-06 | 2003-10-21 | Gore Enterprise Holdings, Inc. | Solid electrolyte composite for electrochemical reaction apparatus |
US6196708B1 (en) * | 1998-05-14 | 2001-03-06 | Donaldson Company, Inc. | Oleophobic laminated articles, assemblies of use, and methods |
TR200101727T2 (tr) | 1998-09-08 | 2001-11-21 | Brookwood Companies Incorporated | Su geçirmez, nefes alabilir laminat ve bunun yapımı için bir metod. |
US6419871B1 (en) | 2000-05-25 | 2002-07-16 | Transweb, Llc. | Plasma treatment of filter media |
US6613203B1 (en) | 2001-09-10 | 2003-09-02 | Gore Enterprise Holdings | Ion conducting membrane having high hardness and dimensional stability |
US20040035775A1 (en) * | 2002-05-31 | 2004-02-26 | Biolink Partners, Inc. | MemCoatTM: functionalized surface coatings, products and uses thereof |
US20050158609A1 (en) * | 2004-01-16 | 2005-07-21 | Gennadi Finkelshtain | Hydride-based fuel cell designed for the elimination of hydrogen formed therein |
US20050260481A1 (en) * | 2004-05-20 | 2005-11-24 | Gennadi Finkelshtain | Disposable fuel cell with and without cartridge and method of making and using the fuel cell and cartridge |
US20060057435A1 (en) * | 2004-09-15 | 2006-03-16 | Medis Technologies Ltd | Method and apparatus for preventing fuel decomposition in a direct liquid fuel cell |
JP4739730B2 (ja) * | 2004-11-10 | 2011-08-03 | 三菱レイヨン株式会社 | 疎水性多孔質膜用親水化剤、これを用いた疎水性多孔質膜の親水化方法及び検査方法 |
US20060205301A1 (en) * | 2005-03-11 | 2006-09-14 | Bha Technologies, Inc. | Composite membrane having hydrophilic properties and method of manufacture |
US7588796B2 (en) * | 2005-03-11 | 2009-09-15 | Bha Group, Inc. | Method of making a composite membrane |
US7635062B2 (en) * | 2005-03-11 | 2009-12-22 | Bha Group, Inc. | Composite membrane |
DE202005011301U1 (de) | 2005-07-19 | 2005-09-22 | Hidde, Axel R., Dr.-Ing. | Kabeldurchführung mit Membranventil |
DE102005035210B4 (de) * | 2005-07-28 | 2007-09-06 | Hidde, Axel R., Dr. Ing. | Kabeldurchführung mit Membranventil |
US7665615B2 (en) * | 2005-09-30 | 2010-02-23 | General Electric Company | Composite article having hydrophilic properties and method of manufacture |
US7381331B2 (en) * | 2005-09-30 | 2008-06-03 | General Electric Company | Hydrophilic membrane and associated method |
US7291696B2 (en) * | 2005-11-04 | 2007-11-06 | General Electric Company | Composition and associated method |
US7631768B2 (en) * | 2005-11-04 | 2009-12-15 | General Electric Company | Membrane and associated method |
KR100824821B1 (ko) | 2006-07-20 | 2008-04-23 | 싱텍스 인더스트리얼 코포레이션 리미티드 | 다공성 폴리테트라플루오로에틸렌 박막과 그 조성물,오염방지/박리방지 조성물 및 박막의 가공처리방법 |
US20080237117A1 (en) * | 2007-03-30 | 2008-10-02 | Vishal Bansal | Coated asymmetric membrane system having oleophobic and hydrophilic properties |
US7608186B2 (en) * | 2007-03-30 | 2009-10-27 | General Electric Company | Coated asymmetric membrane system having oleophobic and hydrophilic properties |
EP2060315A3 (en) * | 2007-11-15 | 2009-08-12 | DSMIP Assets B.V. | High performance membrane |
US10092881B2 (en) * | 2008-01-25 | 2018-10-09 | Bha Altair, Llc | Permanent hydrophilic porous coatings and methods of making them |
US20090191398A1 (en) * | 2008-01-25 | 2009-07-30 | General Electric Company | Membranes comprising hydrophilic coatings |
JP2011072920A (ja) * | 2009-09-30 | 2011-04-14 | Fujifilm Corp | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
JP5528070B2 (ja) * | 2009-11-25 | 2014-06-25 | 富士フイルム株式会社 | 濾過フィルタ用結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
US9308501B2 (en) | 2012-11-01 | 2016-04-12 | Ut-Battelle, Llc | Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity |
CN103394296B (zh) * | 2013-07-18 | 2015-10-21 | 湖州森诺氟材料科技有限公司 | 一种用于平板式mbr的聚四氟乙烯超微水过滤膜及其制备方法 |
CN103386262A (zh) * | 2013-07-18 | 2013-11-13 | 湖州森诺氟材料科技有限公司 | 一种用于海水淡化的聚四氟乙烯微孔膜及其制备方法 |
CN103481528B (zh) * | 2013-09-04 | 2016-08-17 | 湖州南浔中连水产养殖有限公司 | 一种双向拉伸多孔膨化聚四氟乙烯膨化中空管式膜及其制备方法 |
US9862859B2 (en) | 2014-09-12 | 2018-01-09 | W. L. Gore & Associates, Inc. | Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties |
US20160075914A1 (en) | 2014-09-12 | 2016-03-17 | W. L. Gore & Associates, Inc. | Porous Air Permeable Polytetrafluoroethylene Composites with Improved Mechanical and Thermal Properties |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4252878A (en) * | 1980-03-03 | 1981-02-24 | Hooker Chemicals & Plastics Corp. | Processes of wetting hydrophobic fluoropolymer separators |
US5037457A (en) * | 1988-12-15 | 1991-08-06 | Millipore Corporation | Sterile hydrophobic polytetrafluoroethylene membrane laminate |
US5045354A (en) * | 1989-12-19 | 1991-09-03 | Exxon Research & Engineering Company | Production of supported thin film membranes |
-
1992
- 1992-06-19 US US07/901,318 patent/US5209850A/en not_active Expired - Lifetime
- 1992-07-07 DE DE69211020T patent/DE69211020T2/de not_active Expired - Lifetime
- 1992-07-07 EP EP92914845A patent/EP0646043B1/en not_active Expired - Lifetime
- 1992-07-07 JP JP50230194A patent/JP3184531B2/ja not_active Expired - Lifetime
- 1992-07-07 WO PCT/US1992/005642 patent/WO1994000221A1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008024932A (ja) * | 2006-07-17 | 2008-02-07 | General Electric Co <Ge> | 親水性物体及び製造方法 |
JP2016074828A (ja) * | 2014-10-07 | 2016-05-12 | 三菱マテリアル株式会社 | 親水撥油剤、表面被覆材、塗布膜、樹脂組成物、油水分離濾材及び多孔質体 |
Also Published As
Publication number | Publication date |
---|---|
US5209850A (en) | 1993-05-11 |
EP0646043B1 (en) | 1996-05-22 |
DE69211020T2 (de) | 1996-10-02 |
DE69211020D1 (de) | 1996-06-27 |
JP3184531B2 (ja) | 2001-07-09 |
EP0646043A1 (en) | 1995-04-05 |
WO1994000221A1 (en) | 1994-01-06 |
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