JP2017529994A - 濾過膜 - Google Patents

濾過膜 Download PDF

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Publication number
JP2017529994A
JP2017529994A JP2017501191A JP2017501191A JP2017529994A JP 2017529994 A JP2017529994 A JP 2017529994A JP 2017501191 A JP2017501191 A JP 2017501191A JP 2017501191 A JP2017501191 A JP 2017501191A JP 2017529994 A JP2017529994 A JP 2017529994A
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JP
Japan
Prior art keywords
membrane
film
substrate
nanofiber
polymer
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Pending
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JP2017501191A
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Japanese (ja)
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JP2017529994A5 (enExample
Inventor
サイモン フリスク
サイモン フリスク
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EIDP Inc
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EI Du Pont de Nemours and Co
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Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of JP2017529994A publication Critical patent/JP2017529994A/ja
Publication of JP2017529994A5 publication Critical patent/JP2017529994A5/ja
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/66Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68Polysulfones; Polyethersulfones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0004Organic membrane manufacture by agglomeration of particles
    • B01D67/00042Organic membrane manufacture by agglomeration of particles by deposition of fibres, nanofibres or nanofibrils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • B01D67/00111Polymer pretreatment in the casting solutions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0013Casting processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • B01D69/1071Woven, non-woven or net mesh
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1213Laminated layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1216Three or more layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1218Layers having the same chemical composition, but different properties, e.g. pore size, molecular weight or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/122Separate manufacturing of ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/125In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/125In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/40Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421Polyacrylonitrile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/48Polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/39Electrospinning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/40Details relating to membrane preparation in-situ membrane formation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/022Asymmetric membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/028321-10 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/02833Pore size more than 10 and up to 100 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/04Characteristic thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/40Fibre reinforced membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2381/06Polysulfones; Polyethersulfones

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP2017501191A 2014-07-07 2015-07-01 濾過膜 Pending JP2017529994A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462021264P 2014-07-07 2014-07-07
US62/021,264 2014-07-07
PCT/US2015/038765 WO2016007345A1 (en) 2014-07-07 2015-07-01 Composite filtration membranes comprising a casted membrane on a nanofiber sheet

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020122335A Division JP2020185569A (ja) 2014-07-07 2020-07-16 濾過膜

Publications (2)

Publication Number Publication Date
JP2017529994A true JP2017529994A (ja) 2017-10-12
JP2017529994A5 JP2017529994A5 (enExample) 2018-08-09

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JP2017501191A Pending JP2017529994A (ja) 2014-07-07 2015-07-01 濾過膜
JP2020122335A Pending JP2020185569A (ja) 2014-07-07 2020-07-16 濾過膜

Family Applications After (1)

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Country Status (6)

Country Link
US (1) US20160001235A1 (enExample)
EP (1) EP3166713A1 (enExample)
JP (2) JP2017529994A (enExample)
KR (1) KR20170028351A (enExample)
CN (1) CN106604773A (enExample)
WO (1) WO2016007345A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020125556A (ja) * 2019-02-05 2020-08-20 日本バイリーン株式会社 不織布、および、該不織布を支持体として備える複合膜
JP2021109117A (ja) * 2020-01-07 2021-08-02 日本バイリーン株式会社 複合膜およびその製造方法

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016507671A (ja) 2013-02-14 2016-03-10 ナノパレイル,エルエルシー 電界紡糸ナノファイバーのハイブリッドフェルト
KR101485119B1 (ko) * 2014-02-12 2015-01-22 광주과학기술원 전기방사를 이용한 개선된 폴리에테르설폰 나노섬유 멤브레인의 제조방법
AU2016298326B2 (en) 2015-07-29 2022-08-04 Gradiant Corporation Osmotic desalination methods and associated systems
WO2017030937A1 (en) 2015-08-14 2017-02-23 Gradiant Corporation Production of multivalent ion-rich process streams using multi-stage osmotic separation
WO2017030932A1 (en) 2015-08-14 2017-02-23 Gradiant Corporation Selective retention of multivalent ions
CA3026497C (en) * 2016-06-10 2023-09-19 Ascend Performance Materials Operations Llc Solution-spun polyamide nanofiber nonwovens
CN109922873B (zh) * 2016-10-19 2021-11-02 格雷迪安特公司 渗透膜
JP6858618B2 (ja) * 2017-03-30 2021-04-14 帝人株式会社 液体フィルター用基材
US10328386B2 (en) * 2017-05-18 2019-06-25 Uop Llc Co-cast thin film composite flat sheet membranes for gas separations and olefin/paraffin separations
US10606566B2 (en) * 2017-06-03 2020-03-31 Apple Inc. Integration of learning models into a software development system
WO2019147205A1 (en) 2017-09-07 2019-08-01 Sabanci Universitesi Zwitterionic thin film composite membranes with high performance
CN109021344A (zh) * 2018-06-06 2018-12-18 广西民族大学 一种聚丙烯腈纳米纤维膜/聚烯烃弹性体复合材料及其制备方法
CN108854571B (zh) * 2018-07-11 2020-10-30 常州大学 一种利用超声雾化沉积法制备分离膜的方法
WO2020041542A1 (en) 2018-08-22 2020-02-27 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
CN110170254A (zh) * 2019-05-31 2019-08-27 江南大学 纳米碳纤维增强聚偏氟乙烯自支撑超滤膜的制备方法及其应用
CN111644079B (zh) * 2020-06-03 2022-03-15 武汉纺织大学 一种高表面粗糙度的纳滤膜材料及其制备方法
EP4247522A4 (en) 2020-11-17 2024-10-09 Gradiant Corporation OSMOTIC SYSTEMS AND PROCESSES INVOLVING ENERGY HARVESTING
CN113957610B (zh) * 2021-11-25 2023-11-10 北京化工大学 一种电纺纳米纤维油水分离膜用于高精度分离水质烷基汞的方法
KR102841701B1 (ko) * 2022-06-02 2025-08-01 도레이첨단소재 주식회사 고투과량 나노여과막 및 이의 제조방법
CN118727260B (zh) * 2023-09-04 2026-04-21 东华大学 一种纳米纤维膜及其制备方法和用途

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324925A1 (en) * 2008-06-30 2009-12-31 Conley Jill A Fine-fiber nonwoven-supported coating structure
WO2012167366A1 (en) * 2011-06-07 2012-12-13 Dpoint Technologies Inc. Selective water vapour transport membranes comprising a nanofibrous layer and methods for making the same
KR20130030954A (ko) * 2011-09-20 2013-03-28 제일모직주식회사 박막 복합 분리막 및 그 제조방법
US20130168312A1 (en) * 2011-12-28 2013-07-04 Nai-Jung Chen Filteration material for desalination
JP2013536752A (ja) * 2010-09-02 2013-09-26 インダストリアル テクノロジー リサーチ インスティテュート 脱塩に用いるろ過材

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849241A (en) 1968-12-23 1974-11-19 Exxon Research Engineering Co Non-woven mats by melt blowing
GB1522605A (en) 1974-09-26 1978-08-23 Ici Ltd Preparation of fibrous sheet product
ES480577A1 (es) * 1978-05-15 1980-08-16 Pall Corp Un procedimiento para preparar membranas de poliamida.
US4536361A (en) 1978-08-28 1985-08-20 Torobin Leonard B Method for producing plastic microfilaments
US4277344A (en) 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4812270A (en) 1986-04-28 1989-03-14 Filmtec Corporation Novel water softening membranes
US4765897A (en) 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
US4824574A (en) 1986-04-28 1989-04-25 The Dow Chemical Company Novel water softening process using membranes
US4769148A (en) 1987-11-18 1988-09-06 The Dow Chemical Company Novel polyamide reverse osmosis membranes
US4859384A (en) 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
EP0498672A3 (en) 1991-02-07 1993-06-23 Chisso Corporation Microfiber-generating fibers and woven or non-woven fabrics produced therefrom
US5183670A (en) 1991-04-30 1993-02-02 United Technologies Corporation Bi-functional transfer foot
US5433859A (en) * 1993-07-12 1995-07-18 Pall Corporation Supported microporous filtration membrane and method of using same
JP3418889B2 (ja) * 1995-01-19 2003-06-23 東レ株式会社 複合逆浸透膜
JP3221266B2 (ja) * 1995-02-03 2001-10-22 東レ株式会社 複合半透膜の製造方法および溶媒の回収・精製方法
CA2236340C (en) 1995-11-30 2005-07-26 Kimberly-Clark Worldwide, Inc. Superfine microfiber nonwoven web
US6315806B1 (en) 1997-09-23 2001-11-13 Leonard Torobin Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
US6382526B1 (en) 1998-10-01 2002-05-07 The University Of Akron Process and apparatus for the production of nanofibers
US6110588A (en) 1999-02-05 2000-08-29 3M Innovative Properties Company Microfibers and method of making
US6706184B2 (en) * 2000-08-07 2004-03-16 Cuno Incorporated Unsupported multizone microporous membrane
US6520425B1 (en) 2001-08-21 2003-02-18 The University Of Akron Process and apparatus for the production of nanofibers
KR100549140B1 (ko) 2002-03-26 2006-02-03 이 아이 듀폰 디 네모아 앤드 캄파니 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법
US7441667B2 (en) * 2005-12-15 2008-10-28 E.I. Du Pont De Nemours And Company Composite membranes for liquid filtration having improved uniformity and adhesion of substrate to membrane
US20080070463A1 (en) 2006-09-20 2008-03-20 Pankaj Arora Nanowebs
WO2009025900A2 (en) * 2007-05-26 2009-02-26 Stonybrook Water Purification High flux fluid separation membranes comprising a cellulose or cellulose derivative layer
EP2419203B1 (en) * 2009-04-13 2020-08-12 Entegris, Inc. Porous composite membrane
EP2561128B1 (en) * 2010-04-22 2015-01-21 3M Innovative Properties Company Nonwoven fibrous webs containing chemically active particulates and methods of making and using same
US8580161B2 (en) * 2010-05-04 2013-11-12 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Fluidic devices comprising photocontrollable units
CN101947415B (zh) * 2010-08-13 2012-06-20 东华大学 静电纺丝和静电喷雾方法相结合制备纳米纤维基复合分离膜
EP2659952A4 (en) * 2010-12-28 2014-09-17 Toray Industries SEPARATION MEMBRANE ELEMENT
KR101516614B1 (ko) * 2013-11-04 2015-04-30 한국에너지기술연구원 나노섬유 복합 분리막 및 이의 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324925A1 (en) * 2008-06-30 2009-12-31 Conley Jill A Fine-fiber nonwoven-supported coating structure
JP2013536752A (ja) * 2010-09-02 2013-09-26 インダストリアル テクノロジー リサーチ インスティテュート 脱塩に用いるろ過材
WO2012167366A1 (en) * 2011-06-07 2012-12-13 Dpoint Technologies Inc. Selective water vapour transport membranes comprising a nanofibrous layer and methods for making the same
KR20130030954A (ko) * 2011-09-20 2013-03-28 제일모직주식회사 박막 복합 분리막 및 그 제조방법
US20130168312A1 (en) * 2011-12-28 2013-07-04 Nai-Jung Chen Filteration material for desalination

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020125556A (ja) * 2019-02-05 2020-08-20 日本バイリーン株式会社 不織布、および、該不織布を支持体として備える複合膜
JP7296741B2 (ja) 2019-02-05 2023-06-23 日本バイリーン株式会社 不織布、および、該不織布を支持体として備える複合膜
JP2021109117A (ja) * 2020-01-07 2021-08-02 日本バイリーン株式会社 複合膜およびその製造方法
JP7377720B2 (ja) 2020-01-07 2023-11-10 日本バイリーン株式会社 複合膜およびその製造方法

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