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

Info

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
Authority
JP
Japan
Prior art keywords
layer
filtration membrane
porous polymer
layers
pores
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 - Fee Related
Application number
JP2010061737A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010221214A5 (enExample
JP2010221214A (ja
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
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
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
Application granted granted Critical
Publication of JP5627257B2 publication Critical patent/JP5627257B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01D67/0002—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—Polytetrafluoroethene
    • 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 2009-03-23
US12/409,137 US8118910B2 (en) 2009-03-23 2009-03-23 Layered filtration membrane and methods of making same

Publications (3)

Publication Number Publication Date
JP2010221214A JP2010221214A (ja) 2010-10-07
JP2010221214A5 JP2010221214A5 (enExample) 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 (enExample)
EP (1) EP2233200B1 (enExample)
JP (1) JP5627257B2 (enExample)
CN (1) CN101850201B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9149748B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Multi-layered filter media
US9149749B2 (en) 2012-11-13 2015-10-06 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US11090590B2 (en) 2012-11-13 2021-08-17 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
EP2958652A4 (en) * 2013-02-25 2017-02-22 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
WO2017169591A1 (ja) * 2016-03-31 2017-10-05 日本碍子株式会社 多孔質支持体、多孔質支持体の製造方法、分離膜構造体及び分離膜構造体の製造方法
US10625196B2 (en) 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media
EP3429843B1 (en) * 2016-07-07 2021-06-30 Hewlett-Packard Development Company, L.P. Housings for electronic devices formed of metal fluoropolymer composites
WO2018049600A1 (en) 2016-09-14 2018-03-22 W.L. Gore & Associates Gmbh Assembly for protecting acoustic device
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

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL130162C (enExample) * 1962-08-06
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
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
CA2244180C (en) * 1996-01-22 2005-03-01 Memtec America Corporation Highly porous polyvinylidene difluoride membranes
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
JP2000079332A (ja) * 1998-07-08 2000-03-21 Nitto Denko Corp エアフィルタ用ろ材
JP2007111697A (ja) * 1998-07-08 2007-05-10 Nitto Denko Corp エアフィルタ用ろ材
US6228477B1 (en) * 1999-02-12 2001-05-08 Bha Technologies, Inc. Porous membrane structure and method
KR100409017B1 (ko) * 2000-06-23 2003-12-06 주식회사 엘지화학 다성분계 복합 분리막 및 그의 제조방법
JP2002301321A (ja) * 2001-04-05 2002-10-15 Daikin Ind Ltd フィルタ濾材、それを用いたフィルタパック及びエアフィルタユニット並びにフィルタ濾材の製造方法
JP2003336874A (ja) * 2002-05-15 2003-11-28 Nitto Denko Corp 通気部材およびこれを用いた通気筐体
US7771818B2 (en) * 2002-09-20 2010-08-10 Bha Group, Inc. Treatment of porous article
US7306729B2 (en) * 2005-07-18 2007-12-11 Gore Enterprise Holdings, Inc. Porous PTFE materials and articles produced therefrom
CN101242889A (zh) * 2005-07-18 2008-08-13 戈尔企业控股股份有限公司 多孔ptfe材料以及由其生产的制品
JP4916195B2 (ja) * 2006-03-09 2012-04-11 三菱樹脂株式会社 積層型多孔性フィルム
JP2008055407A (ja) * 2006-08-01 2008-03-13 Nitto Denko Corp ポリテトラフルオロエチレン多孔質膜の製造方法およびエアフィルタ濾材
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
EP2221096B1 (en) * 2007-11-14 2017-03-22 Nitto Denko Corporation Filter filtration material, method for producing the same and filter unit
US8777051B2 (en) * 2008-04-02 2014-07-15 Brunswick Corporation Fuel venting systems having protective membranes

Also Published As

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

Similar Documents

Publication Publication Date Title
JP5627257B2 (ja) 層状濾過膜及び製造方法
CA2274078C (en) Filter medium and air filter unit using the same
CN105536384B (zh) 空气过滤器用滤材、空气过滤器单元及多孔膜的制造方法
JP5985279B2 (ja) ポリテトラフルオロエチレン多孔質膜の製造方法
KR101197358B1 (ko) 다공성 복합재 물품
JP4361263B2 (ja) フィルタエレメント
JP5684634B2 (ja) 通気部材
KR20190097173A (ko) 폴리테트라플루오로에틸렌 다공질막과 이것을 사용한 방수 통기막 및 방수 통기 부재
KR20120002988A (ko) 통기 필터 및 이것을 사용한 전기 장치
KR20100103557A (ko) 폴리테트라플루오로에틸렌 다공질막과 그 제조 방법, 및 방수 통기 필터
US20060207234A1 (en) Coalescing filter elements comprising self-sustaining, bonded fiber structures
CN1306453A (zh) 通风机冷却器的保护盖
JP2008055407A (ja) ポリテトラフルオロエチレン多孔質膜の製造方法およびエアフィルタ濾材
JP2013253213A (ja) ポリテトラフルオロエチレン多孔質膜および防水通気部材
WO2020067182A1 (ja) エアフィルタ濾材、フィルタパック、エアフィルタユニット、およびこれらの製造方法
CN203577526U (zh) 过滤器滤材和过滤器单元
JP2016533892A (ja) 熱可塑性樹脂を充填した端部を有する濾過物品
JP6568211B2 (ja) 異なる長さを有する繊維層を含むろ過材料を含むろ過物品
CN103706199A (zh) 过滤器滤材和过滤器滤材的制造方法
JP4879475B2 (ja) 通気フィルタ部材およびそれを利用した通気筐体
CN222724045U (zh) 分层微孔膜和过滤筒
JP2024063946A (ja) 複合膜
WO2025164481A1 (ja) 通気構造及び多孔質膜
JP2002136812A (ja) バグフィルタ用積層体およびこれを用いたバグフィルタ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120316

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120316

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20120316

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120417

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20120412

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120713

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120719

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20121106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130305

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20130423

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20130517

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20131203

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20131209

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20131216

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20131220

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20131226

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20140203

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20140203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140722

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20140930

R150 Certificate of patent or registration of utility model

Ref document number: 5627257

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees