CN1255876A - 表面改性多孔膜及其制造方法 - Google Patents
表面改性多孔膜及其制造方法 Download PDFInfo
- Publication number
- CN1255876A CN1255876A CN98804708A CN98804708A CN1255876A CN 1255876 A CN1255876 A CN 1255876A CN 98804708 A CN98804708 A CN 98804708A CN 98804708 A CN98804708 A CN 98804708A CN 1255876 A CN1255876 A CN 1255876A
- Authority
- CN
- China
- Prior art keywords
- film
- perfluorocarbon copolymer
- copolymer component
- filter
- membrane
- 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
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Images
Classifications
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- 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
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2287—After-treatment
- C08J5/2293—After-treatment of fluorine-containing membranes
-
- 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
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
Landscapes
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (30)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/848,809 | 1997-05-01 | ||
US08/848,809 US6354443B1 (en) | 1997-05-01 | 1997-05-01 | Surface modified porous membrane and process |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1255876A true CN1255876A (zh) | 2000-06-07 |
CN1147350C CN1147350C (zh) | 2004-04-28 |
Family
ID=25304338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB98804708XA Expired - Lifetime CN1147350C (zh) | 1997-05-01 | 1998-04-21 | 表面改性多孔膜及其制造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6354443B1 (zh) |
EP (1) | EP0979138A1 (zh) |
JP (1) | JP3511295B2 (zh) |
KR (1) | KR100341259B1 (zh) |
CN (1) | CN1147350C (zh) |
AU (1) | AU7148498A (zh) |
WO (1) | WO1998050136A1 (zh) |
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CN107759720A (zh) * | 2016-08-15 | 2018-03-06 | 帕尔公司 | 氟聚合物和包含氟聚合物的膜(i) |
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CN107441965A (zh) * | 2017-08-11 | 2017-12-08 | 杭州科百特过滤器材有限公司 | 一种多孔膜的制备方法 |
CN113071177A (zh) * | 2021-04-23 | 2021-07-06 | 刘显志 | 适用于有机固体废弃物堆肥发酵的ePTFE层压复合膜 |
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KR100341259B1 (ko) | 2002-06-22 |
KR20010020440A (ko) | 2001-03-15 |
US6273271B1 (en) | 2001-08-14 |
AU7148498A (en) | 1998-11-27 |
US6354443B1 (en) | 2002-03-12 |
WO1998050136A1 (en) | 1998-11-12 |
JP3511295B2 (ja) | 2004-03-29 |
JP2000512904A (ja) | 2000-10-03 |
CN1147350C (zh) | 2004-04-28 |
EP0979138A1 (en) | 2000-02-16 |
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