JP5627257B2 - 層状濾過膜及び製造方法 - Google Patents

層状濾過膜及び製造方法 Download PDF

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Publication number
JP5627257B2
JP5627257B2 JP2010061737A JP2010061737A JP5627257B2 JP 5627257 B2 JP5627257 B2 JP 5627257B2 JP 2010061737 A JP2010061737 A JP 2010061737A JP 2010061737 A JP2010061737 A JP 2010061737A JP 5627257 B2 JP5627257 B2 JP 5627257B2
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Japan
Prior art keywords
layer
filtration membrane
porous polymer
layers
pores
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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 - Fee Related
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JP2010061737A
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English (en)
Japanese (ja)
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JP2010221214A (ja
JP2010221214A5 (https=
Inventor
ナスラット・ファーザナ
デヴィッド・カゼミ
Original Assignee
ビーエイチエイ アルテア，エルエルシー
ビーエイチエイ アルテア，エルエルシー
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Application filed by ビーエイチエイ アルテア，エルエルシー, ビーエイチエイ アルテア，エルエルシー filed Critical ビーエイチエイ アルテア，エルエルシー
Publication of JP2010221214A publication Critical patent/JP2010221214A/ja
Publication of JP2010221214A5 publication Critical patent/JP2010221214A5/ja
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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
    • B01D67/0002—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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1218—Layers having the same chemical composition, but different properties, e.g. pore size, molecular weight or porosity
    • 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
    • B01D71/36—Polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • 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
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)
JP2010061737A 2009-03-23 2010-03-18 層状濾過膜及び製造方法 Expired - Fee Related JP5627257B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/409,137 US8118910B2 (en) 2009-03-23 2009-03-23 Layered filtration membrane and methods of making same
US12/409,137 2009-03-23

Publications (3)

Publication Number Publication Date
JP2010221214A JP2010221214A (ja) 2010-10-07
JP2010221214A5 JP2010221214A5 (https=) 2012-05-10
JP5627257B2 true JP5627257B2 (ja) 2014-11-19

Family

ID=42046378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010061737A Expired - Fee Related JP5627257B2 (ja) 2009-03-23 2010-03-18 層状濾過膜及び製造方法

Country Status (4)

Country Link
US (1) US8118910B2 (https=)
EP (1) EP2233200B1 (https=)
JP (1) JP5627257B2 (https=)
CN (1) CN101850201B (https=)

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JP5133039B2 (ja) * 2007-12-07 2013-01-30 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ
JPWO2010092938A1 (ja) * 2009-02-16 2012-08-16 住友電工ファインポリマー株式会社 多孔質複層フィルターおよびその製造方法
US9132616B2 (en) * 2010-08-31 2015-09-15 Bha Altair, Llc Multi-layer composite membrane materials and methods therefor
TWI453114B (zh) * 2012-05-11 2014-09-21 Entire Technology Co Ltd 多孔複合膜的製造方法
CN102927953B (zh) * 2012-11-08 2015-06-10 西南石油大学 一种剪切流动下聚合物水力学尺寸的测试方法及其测试装置
US11090590B2 (en) 2012-11-13 2021-08-17 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US9149749B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US9149748B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Multi-layered filter media
EP3738659A1 (en) * 2013-02-25 2020-11-18 Hollingsworth & Vose Company Multi-layered filter media
CN103657276B (zh) * 2013-12-23 2016-02-10 北京大学 一种细颗粒物过滤结构及其制备方法
US10195542B2 (en) 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media
US10399024B2 (en) 2014-05-15 2019-09-03 Hollingsworth & Vose Company Surface modified filter media
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
GB2547910A (en) * 2016-03-02 2017-09-06 Icon Tech Systems Ltd Filter
CN108883377B (zh) * 2016-03-31 2021-05-07 日本碍子株式会社 多孔质支撑体、多孔质支撑体的制造方法、分离膜结构体以及分离膜结构体的制造方法
US10625196B2 (en) 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media
US20190160784A1 (en) * 2016-07-07 2019-05-30 Hewlett-Packard Development Company, L.P. Metal fluoropolymer composites
JP6875506B2 (ja) 2016-09-14 2021-05-26 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Ｗ．Ｌ． Ｇｏｒｅ ＆ Ａｓｓｏｃｉａｔｅｓ， Ｇｅｓｅｌｌｓｃｈａｆｔ Ｍｉｔ Ｂｅｓｃｈｒａｎｋｔｅｒ Ｈａｆｔｕｎｇ 音響デバイスを保護するためのアセンブリ
JP6920042B2 (ja) * 2016-09-30 2021-08-18 日東電工株式会社 エアフィルタ濾材、エアフィルタパック及びエアフィルタユニット
CN106678980A (zh) * 2017-02-10 2017-05-17 上海帆煜自动化科技有限公司 一种挂壁式空气处理装置

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US4969998A (en) 1984-04-23 1990-11-13 W. L. Gore & Associates, Inc. Composite semipermeable membrane
JPH078927B2 (ja) * 1989-12-07 1995-02-01 ダイキン工業株式会社 ポリテトラフルオロエチレン複層多孔膜の製造方法
US5116650A (en) * 1990-12-03 1992-05-26 W. L. Gore & Associates, Inc. Dioxole/tfe copolymer composites
JP2854223B2 (ja) 1993-09-08 1999-02-03 ジャパンゴアテックス株式会社 撥油防水性通気フィルター
US6235377B1 (en) 1995-09-05 2001-05-22 Bio Med Sciences, Inc. Microporous membrane with a stratified pore structure created in situ and process
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JP3273735B2 (ja) * 1996-05-17 2002-04-15 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法、シート状ポリテトラフルオロエチレン成形体、並びに、エアーフィルター用濾材
US5938818A (en) * 1997-08-22 1999-08-17 Energy & Environmental Research Center Foundation Advanced hybrid particulate collector and method of operation
JP2007111697A (ja) * 1998-07-08 2007-05-10 Nitto Denko Corp エアフィルタ用ろ材
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JP5220369B2 (ja) * 2007-09-04 2013-06-26 富士フイルム株式会社 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
JP5608323B2 (ja) * 2007-11-14 2014-10-15 日東電工株式会社 フィルタ濾材とその製造方法ならびにフィルタユニット
US8777051B2 (en) * 2008-04-02 2014-07-15 Brunswick Corporation Fuel venting systems having protective membranes

Also Published As

Publication number Publication date
JP2010221214A (ja) 2010-10-07
EP2233200A1 (en) 2010-09-29
CN101850201A (zh) 2010-10-06
US20100236410A1 (en) 2010-09-23
CN101850201B (zh) 2015-09-02
US8118910B2 (en) 2012-02-21
EP2233200B1 (en) 2015-11-04

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