FR2575480B1 - Membrane poreuse en resine fluoree et son procede de preparation - Google Patents

Membrane poreuse en resine fluoree et son procede de preparation

Info

Publication number
FR2575480B1
FR2575480B1 FR858518516A FR8518516A FR2575480B1 FR 2575480 B1 FR2575480 B1 FR 2575480B1 FR 858518516 A FR858518516 A FR 858518516A FR 8518516 A FR8518516 A FR 8518516A FR 2575480 B1 FR2575480 B1 FR 2575480B1
Authority
FR
France
Prior art keywords
preparation
relates
porous membrane
resin membrane
fluorinated resin
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.)
Expired
Application number
FR858518516A
Other languages
English (en)
French (fr)
Other versions
FR2575480A1 (fr
Inventor
Yoshihiko Mutoh
Morikazu Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP27392084A external-priority patent/JPS61152739A/ja
Priority claimed from JP7347185A external-priority patent/JPS61233026A/ja
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of FR2575480A1 publication Critical patent/FR2575480A1/fr
Application granted granted Critical
Publication of FR2575480B1 publication Critical patent/FR2575480B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/044—Elimination of an inorganic solid phase
    • C08J2201/0442—Elimination of an inorganic solid phase the inorganic phase being a metal, its oxide or hydroxide
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (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)
FR858518516A 1984-12-27 1985-12-13 Membrane poreuse en resine fluoree et son procede de preparation Expired FR2575480B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27392084A JPS61152739A (ja) 1984-12-27 1984-12-27 エチレン−テトラフルオロエチレン共重合体多孔膜の製造方法
JP7347185A JPS61233026A (ja) 1985-04-09 1985-04-09 多孔膜の製造方法

Publications (2)

Publication Number Publication Date
FR2575480A1 FR2575480A1 (fr) 1986-07-04
FR2575480B1 true FR2575480B1 (fr) 1989-12-22

Family

ID=26414619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858518516A Expired FR2575480B1 (fr) 1984-12-27 1985-12-13 Membrane poreuse en resine fluoree et son procede de preparation

Country Status (4)

Country Link
US (2) US4623670A (online.php)
DE (1) DE3544206A1 (online.php)
FR (1) FR2575480B1 (online.php)
GB (1) GB2168981B (online.php)

Families Citing this family (114)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198162A (en) * 1984-12-19 1993-03-30 Scimat Limited Microporous films
GB2219589A (en) * 1988-06-13 1989-12-13 Scimat Ltd Microporous halopolymer films
GB2168981B (en) * 1984-12-27 1988-07-06 Asahi Chemical Ind Porous fluorine resin membrane and process for preparation thereof
US4980060A (en) * 1987-07-13 1990-12-25 Asahi Kasei Kogyo Kabushiki Kaisha Hollow fiber membranes with fusion-bonded end portions
US4902456A (en) * 1988-05-04 1990-02-20 Millipore Corporation Fluorocarbon membranes and process for making fluorocarbon membranes
US4906377A (en) * 1988-05-04 1990-03-06 Millipore Corporation Fluorocarbon membranes and process for making fluorocarbon membranes
US5032274A (en) * 1988-05-04 1991-07-16 Millipore Corporation Process for producing fluorocarbon membranes and membrane product
US4997603A (en) * 1988-08-05 1991-03-05 Hoechst Celanese Corp. Process for formation of halogenated polymeric microporous membranes having improved strength properties
US5043113A (en) * 1988-08-05 1991-08-27 Hoechst Celanese Corp. Process for formation of halogenated polymeric microporous membranes having improved strength properties
US4873037A (en) * 1988-10-05 1989-10-10 The Dow Chemical Company Method for preparing an asymmetric semi-permeable membrane
US5022990A (en) * 1989-01-12 1991-06-11 Asahi Kasei Kogyo Kabushiki Kaisha Polyvinylidene fluoride porous membrane and a method for producing the same
GB2232982A (en) * 1989-06-13 1991-01-02 Scimat Ltd Microporous films
DE3928934C2 (de) * 1989-08-31 1999-04-29 Sartorius Gmbh Textilverstärktes mikroporöses Membranfilter, Verfahren zu seiner Herstellung und seine Verwendung
US5156656A (en) * 1991-09-13 1992-10-20 The Dow Chemical Company Semi-permeable membranes derived from reactive oligomers
FR2682613B1 (fr) * 1991-10-22 1994-06-03 Cogia Procede de deshydratation au moins partielle d'une composition aqueuse et dispositifs pour mettre en óoeuvre le procede.
US5358780A (en) * 1992-04-01 1994-10-25 Hoechst Celanese Corp. Breathable water-resistant fabrics
DE4424466A1 (de) * 1994-07-12 1996-01-18 Hoechst Ag Copolymeres vom Typ Tetrafluorethylen-Ethylen mit einer Kern-Hülle-Teilchenstruktur
US5614319A (en) * 1995-05-04 1997-03-25 Commscope, Inc. Insulating composition, insulated plenum cable and methods for making same
EP0750006B1 (en) * 1995-06-23 2002-03-27 Technische Universiteit Delft Method of making a foamable film
EP0952885B1 (en) 1996-12-20 2010-09-22 Siemens Water Technologies Corp. Scouring method
FR2759087B1 (fr) * 1997-02-06 1999-07-30 Electricite De France Produit composite poreux de haute surface specifique, procede de preparation et electrode pour ensemble electrochimique formee d'un film composite poreux
CA2409235A1 (en) * 2000-05-16 2001-11-22 Watervisions International, Inc. Filter devices and methods of use
AUPR143400A0 (en) * 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
ITMI20010421A1 (it) * 2001-03-01 2002-09-02 Ausimont Spa Membrane porose semipermeabili di fluoropolimeri semicristallini
US7128861B2 (en) * 2001-03-06 2006-10-31 Asahi Kasei Chemicals Corporation Method for producing hollow yarn film
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) * 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
AUPS046602A0 (en) * 2002-02-12 2002-03-07 U.S. Filter Wastewater Group, Inc. Halar membranes
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
CA2501628C (en) 2002-10-10 2012-12-04 U.S. Filter Wastewater Group, Inc. A filtration and backwashing arrangement for membrane modules
DE10257093B4 (de) * 2002-12-05 2005-02-24 Basf Ag Aerosolabscheider und Verfahren zur Reinigung von gasförmigem Schwefeltrioxid durch Abscheidung darin dispergierter Flüssigkeiten
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
US7081208B2 (en) * 2002-12-16 2006-07-25 International Business Machines Corporation Method to build a microfilter
US7201841B2 (en) 2003-02-05 2007-04-10 Water Visions International, Inc. Composite materials for fluid treatment
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
JP4761967B2 (ja) * 2003-10-03 2011-08-31 株式会社クレハ フッ化ビニリデン系樹脂多孔質中空糸およびその製造方法
US20050142280A1 (en) * 2003-10-20 2005-06-30 Kim Kwon I. System and method for synthesizing a polymer membrane
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US7383946B2 (en) 2004-03-26 2008-06-10 Hughes Kenneth D Materials for storing and releasing reactive gases
US8636919B1 (en) 2004-03-26 2014-01-28 Kenneth D. Hughes Reactive solutions
US8758621B2 (en) 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
WO2005107929A2 (en) 2004-04-22 2005-11-17 Siemens Water Technologies Corp. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
JP2008504122A (ja) 2004-07-02 2008-02-14 シーメンス・ウォーター・テクノロジーズ・コーポレーション 気体輸送膜
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
NZ588094A (en) 2004-08-20 2012-04-27 Siemens Water Tech Corp Potting head for hollow fibre filter module
AU2005282211B2 (en) 2004-09-07 2011-04-21 Evoqua Water Technologies Llc Reduction of backwash liquid waste
US8506806B2 (en) 2004-09-14 2013-08-13 Siemens Industry, Inc. Methods and apparatus for removing solids from a membrane module
EP1807181A4 (en) 2004-09-15 2009-04-22 Siemens Water Tech Corp CONTINUOUS ADJUSTABLE VENTILATION
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
MY141919A (en) 2004-12-03 2010-07-30 Siemens Water Tech Corp Membrane post treatment
ATE549076T1 (de) 2004-12-24 2012-03-15 Siemens Industry Inc Reinigung in membranfiltrationssystemen
CA2591580A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Simple gas scouring method and apparatus
ITMI20050474A1 (it) * 2005-03-22 2006-09-23 Solvay Solexis Spa Polveri o manufatti aventi una idrofilicita'superficiale
US7524606B2 (en) 2005-04-11 2009-04-28 Az Electronic Materials Usa Corp. Nanocomposite photoresist composition for imaging thick films
US7247419B2 (en) * 2005-04-11 2007-07-24 Az Electronic Materials Usa Corp. Nanocomposite photosensitive composition and use thereof
CN101184548B (zh) 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
CN101287538B (zh) 2005-08-22 2013-03-06 西门子工业公司 使用歧管以减少回洗的水过滤装置
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7563363B2 (en) 2005-10-05 2009-07-21 Siemens Water Technologies Corp. System for treating wastewater
JP4563457B2 (ja) * 2005-10-13 2010-10-13 旭化成ケミカルズ株式会社 多孔性多層中空糸膜及びその製造方法
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
CA2657687A1 (en) * 2006-07-14 2008-01-17 Siemens Water Technologies Corp. Improved monopersulfate treatment of membranes
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
EP2129629A1 (en) 2007-04-02 2009-12-09 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
EP2152390B1 (en) 2007-05-29 2012-05-23 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US9040646B2 (en) 2007-10-04 2015-05-26 W. L. Gore & Associates, Inc. Expandable TFE copolymers, methods of making, and porous, expanded articles thereof
US9650479B2 (en) 2007-10-04 2017-05-16 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
EP2331242B1 (en) 2008-07-24 2018-09-05 Evoqua Water Technologies LLC Frame system for membrane filtration modules
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
CN102186909B (zh) * 2008-10-16 2013-04-10 旭硝子株式会社 乙烯/四氟乙烯共聚物多孔体的制造方法及乙烯/四氟乙烯共聚物多孔体
BRPI0922320A2 (pt) 2008-12-19 2016-01-05 3M Innovative Properties Co material microporoso de um copolímero de etileno - cloro trifluoroetileno e método para a produção do mesmo
US20100210160A1 (en) 2009-02-18 2010-08-19 3M Innovative Properties Company Hydrophilic porous substrates
US9132390B2 (en) 2009-03-26 2015-09-15 Bl Technologies Inc. Non-braided reinforced holow fibre membrane
WO2010142673A1 (en) 2009-06-11 2010-12-16 Siemens Water Technologies Corp. Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
JP5745510B2 (ja) 2009-06-26 2015-07-08 ビーエル・テクノロジーズ・インコーポレイテッド 非編組式織物で強化された中空糸膜
CN102762285B (zh) 2009-08-03 2016-06-08 索尔维特殊聚合物意大利有限公司 用于制备乙烯/三氟氯乙烯聚合物薄膜的方法
US20110147308A1 (en) * 2009-12-21 2011-06-23 Siemens Water Technologies Corp. Charged Porous Polymeric Membranes and Their Preparation
EP2563501B1 (en) 2010-04-30 2019-05-15 Evoqua Water Technologies LLC Fluid flow distribution device
EP2616167B1 (en) 2010-09-15 2022-11-02 BL Technologies, Inc. Method to make yarn-reinforced hollow fibre membranes around a soluble core
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US8529814B2 (en) 2010-12-15 2013-09-10 General Electric Company Supported hollow fiber membrane
US9283525B2 (en) 2011-06-22 2016-03-15 Daikin Industries, Ltd. Porous polymer film and production method for porous polymer film
US10745555B2 (en) 2011-06-23 2020-08-18 Solvay Specialty Polymer Italy S.P.A. Process for manufacturing porous membranes
CN103958024B (zh) 2011-09-30 2016-07-06 伊沃夸水处理技术有限责任公司 改进的歧管排列
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9321014B2 (en) 2011-12-16 2016-04-26 Bl Technologies, Inc. Hollow fiber membrane with compatible reinforcements
US9643129B2 (en) 2011-12-22 2017-05-09 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
US9022229B2 (en) 2012-03-09 2015-05-05 General Electric Company Composite membrane with compatible support filaments
US8999454B2 (en) 2012-03-22 2015-04-07 General Electric Company Device and process for producing a reinforced hollow fibre membrane
AU2013280452B2 (en) 2012-06-28 2017-07-20 Evoqua Water Technologies Llc A potting method
US9227362B2 (en) 2012-08-23 2016-01-05 General Electric Company Braid welding
KR20150054918A (ko) 2012-09-14 2015-05-20 에보쿠아 워터 테크놀로지스 엘엘씨 막을 위한 중합체 블렌드
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
WO2014052071A1 (en) 2012-09-26 2014-04-03 Evoqua Water Technologies Llc Membrane securement device
KR20150059788A (ko) 2012-09-27 2015-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 침지된 막을 위한 가스 스코어링 장치
KR20160021203A (ko) 2013-06-18 2016-02-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 친수성 플루오로플라스틱 기재
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
EP3129129B1 (en) 2014-04-11 2022-06-01 3M Innovative Properties Company Microporous articles with a three-dimensional porous network of acid-sintered interconnected silica nanoparticles and methods of making the same
KR102386179B1 (ko) 2014-06-30 2022-04-14 쓰리엠 이노베이티브 프로퍼티즈 캄파니 다공성 기재 및 그 기재 내로 연장되는 중합체 코팅을 갖는 비대칭 물품 및 이의 제조 방법
US9932429B2 (en) 2014-07-29 2018-04-03 W. L. Gore & Associates, Inc. Method for producing porous articles from alternating poly(ethylene tetrafluoroethylene) and articles produced therefrom
US9644054B2 (en) 2014-12-19 2017-05-09 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
WO2017007607A1 (en) 2015-07-08 2017-01-12 3M Innovative Properties Company Photochromic articles containing a polyoxometalate and methods of making and using same
CN107847869B (zh) 2015-07-14 2021-09-10 罗门哈斯电子材料新加坡私人有限公司 用于过滤系统的通气装置
EP3147024A1 (en) 2015-09-25 2017-03-29 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Hollow-fibre polymer membrane
WO2018102266A1 (en) 2016-12-02 2018-06-07 3M Innovative Properties Company Photochromic articles containing a porous material with a photochromic dye and fluid, methods of making and using
EP3398675A1 (en) 2017-05-02 2018-11-07 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Macroporous or mesoporous polymer films in hollow fiber or flat sheet geometry
CN109420434A (zh) * 2017-09-01 2019-03-05 浙江省化工研究院有限公司 一种制备乙烯-三氟氯乙烯共聚物中空纤维微孔膜的方法
CN111068405A (zh) * 2019-12-09 2020-04-28 常州凯丽特装饰材料有限公司 一种复合空气过滤材料的制备方法
JP7763176B2 (ja) * 2020-02-14 2025-10-31 トプソー・アクチエゼルスカベット 水性流から粒状物を除去する方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915483A (en) 1953-12-30 1959-12-01 Minnesota Mining & Mfg Plasticized perfluorochloroethylene polymer and process for preparing porous articles therefrom
US3379658A (en) 1964-05-25 1968-04-23 Charles R. Kemper Porous film and method of making
US3536796A (en) * 1967-11-29 1970-10-27 Grace W R & Co Process for reducing shrinkage in preparing porous plastic sheet
DE1769595C3 (de) * 1968-06-12 1975-07-17 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Herstellung von gasdurchlässigen, hydrophoben Folien aus fluorhaltigen Polymeren für elektrochemische Zellen, insbesondere Brennstoffzellen
US4181983A (en) 1977-08-29 1980-01-08 Kulkarni R K Assimilable hydrophilic prosthesis
US4629563B1 (en) * 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof
JPS6017478B2 (ja) * 1982-04-09 1985-05-02 旭化成株式会社 植物油の処理法
JPS614504A (ja) * 1984-06-15 1986-01-10 Asahi Chem Ind Co Ltd ポリクロロトリフルオロエチレン多孔膜及びその製造方法
GB8432048D0 (en) * 1984-12-19 1985-01-30 Raychem Ltd Electrochemical cells
GB2168981B (en) * 1984-12-27 1988-07-06 Asahi Chemical Ind Porous fluorine resin membrane and process for preparation thereof

Also Published As

Publication number Publication date
GB2168981A (en) 1986-07-02
DE3544206A1 (de) 1986-07-10
FR2575480A1 (fr) 1986-07-04
DE3544206C2 (online.php) 1988-10-20
GB2168981B (en) 1988-07-06
GB8530028D0 (en) 1986-01-15
US4702836A (en) 1987-10-27
US4623670A (en) 1986-11-18

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