JP5928766B2 - ポリエチレン製メンブレンおよびその製造方法 - Google Patents

ポリエチレン製メンブレンおよびその製造方法 Download PDF

Info

Publication number
JP5928766B2
JP5928766B2 JP2010547117A JP2010547117A JP5928766B2 JP 5928766 B2 JP5928766 B2 JP 5928766B2 JP 2010547117 A JP2010547117 A JP 2010547117A JP 2010547117 A JP2010547117 A JP 2010547117A JP 5928766 B2 JP5928766 B2 JP 5928766B2
Authority
JP
Japan
Prior art keywords
membrane
polyethylene
collection efficiency
air
weight
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
JP2010547117A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011512252A (ja
JP2011512252A5 (https=
Inventor
カリス,ギィェスベルトゥス,ヘンドリクス,マリア
ホーフィング,ヘンドリク,デルク
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.)
Lydall Solutech BV
Original Assignee
Lydall Solutech BV
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 Lydall Solutech BV filed Critical Lydall Solutech BV
Publication of JP2011512252A publication Critical patent/JP2011512252A/ja
Publication of JP2011512252A5 publication Critical patent/JP2011512252A5/ja
Application granted granted Critical
Publication of JP5928766B2 publication Critical patent/JP5928766B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B01D71/26Polyalkenes
    • B01D71/261Polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003Glass or glassy material
    • B01D39/2017Glass or glassy material the material being filamentary or fibrous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027Metallic material
    • B01D39/2041Metallic material the material being filamentary or fibrous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055Carbonaceous material
    • B01D39/2058Carbonaceous material the material being particulate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068Other inorganic materials, e.g. ceramics
    • B01D39/2082Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using 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
    • B01D67/00091Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
    • 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
    • B01D67/002Organic membrane manufacture from melts
    • 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
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0086Mechanical after-treatment
    • 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
    • B01D69/12Composite 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
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0241Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/025Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0407Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0442Antimicrobial, antibacterial, antifungal additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/045Deodorising additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0457Specific fire retardant or heat resistant properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604Arrangement of the fibres in the filtering material
    • B01D2239/064The fibres being mixed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • B01D2239/0654Support layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1208Porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1225Fibre length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1233Fibre diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1241Particle diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1291Other parameters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/12Specific ratios of components used
    • 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
    • B01D2325/02834Pore size more than 0.1 and up to 1 µm
    • 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
    • B01D2325/20Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)
JP2010547117A 2008-02-22 2009-02-20 ポリエチレン製メンブレンおよびその製造方法 Expired - Fee Related JP5928766B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08101870 2008-02-22
EP08101870.7 2008-02-22
PCT/EP2009/001239 WO2009103556A1 (en) 2008-02-22 2009-02-20 Polyethylene membrane and method of its production

Publications (3)

Publication Number Publication Date
JP2011512252A JP2011512252A (ja) 2011-04-21
JP2011512252A5 JP2011512252A5 (https=) 2016-02-25
JP5928766B2 true JP5928766B2 (ja) 2016-06-01

Family

ID=39539520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010547117A Expired - Fee Related JP5928766B2 (ja) 2008-02-22 2009-02-20 ポリエチレン製メンブレンおよびその製造方法

Country Status (8)

Country Link
US (1) US8465565B2 (https=)
EP (1) EP2268386B8 (https=)
JP (1) JP5928766B2 (https=)
KR (1) KR101651298B1 (https=)
CN (1) CN102015080B (https=)
CA (1) CA2716272C (https=)
TW (1) TWI503162B (https=)
WO (1) WO2009103556A1 (https=)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101651298B1 (ko) 2008-02-22 2016-08-25 리달 솔루테크 비.브이. 폴리에틸렌 멤브레인 및 이의 생산 방법
WO2011088185A2 (en) * 2010-01-18 2011-07-21 3M Innovative Properties Company Air filter with sorbent particles
DE102010005541A1 (de) 2010-01-23 2011-07-28 Hydac Filtertechnik GmbH, 66280 Leitfähiges Filterelement sowie Filtervorrichtung mit Filterelement
US20110223486A1 (en) * 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use
CN101934171B (zh) * 2010-08-04 2011-12-07 奇迪电器集团有限公司 用于去除饮用水中多溴代二苯醚的过滤介质及其制备方法
CN101914242B (zh) * 2010-08-17 2013-03-27 东华大学 超高分子量聚丙烯/超高分子量聚乙烯/环氧树脂复合膜
US9273417B2 (en) 2010-10-21 2016-03-01 Eastman Chemical Company Wet-Laid process to produce a bound nonwoven article
US20120175298A1 (en) * 2010-10-21 2012-07-12 Eastman Chemical Company High efficiency filter
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
EP3124236A1 (en) 2011-06-17 2017-02-01 Fiberweb, Inc. Vapor permeable, substantially water impermeable multilayer article
US10369769B2 (en) 2011-06-23 2019-08-06 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
EP2723568B1 (en) 2011-06-23 2017-09-27 Fiberweb, LLC Vapor permeable, substantially water impermeable multilayer article
EP2723567A4 (en) 2011-06-24 2014-12-24 Fiberweb Inc MULTILAYER ARTICLE PERMEABLE TO WATER VAPOR, BUT ESSENTIALLY WATERPROOF
US8840757B2 (en) 2012-01-31 2014-09-23 Eastman Chemical Company Processes to produce short cut microfibers
CN102743977A (zh) * 2012-06-18 2012-10-24 上海百菲特环保科技有限公司 一种新型超高分子量聚乙烯中空纤维膜的制备方法
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company Paper and nonwoven articles comprising synthetic microfiber binders
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9073014B1 (en) * 2014-10-01 2015-07-07 Kuwait Institute For Scientific Research Nanocomposite mixed-matrix membrane
CN105032210B (zh) * 2015-06-19 2019-01-25 深圳市星源材质科技股份有限公司 一种聚烯烃空气过滤膜及其制备方法
US9919274B2 (en) * 2015-09-15 2018-03-20 New Jersey Institute Of Technology Carbon nanotube immobilized super-absorbing membranes
TWI763658B (zh) * 2016-03-18 2022-05-11 美商恩特葛瑞斯股份有限公司 用於排氣、除氣及薄膜蒸餾方法中之疏水性聚乙烯膜
CN107794645B (zh) * 2017-11-23 2020-01-24 湖北中烟工业有限责任公司 一种用于香烟过滤的拒水透气聚苯硫醚滤膜及其制备方法
US11389772B2 (en) * 2017-12-18 2022-07-19 The Hong Kong University Of Science And Technology Method for synthesis of flexible multifunctional high-voidage ultrathin PE membranes
CN109985534B (zh) * 2017-12-30 2021-08-10 浙江大学 一种纯活性炭过滤膜及其制备方法与应用
WO2019204914A1 (en) * 2018-04-23 2019-10-31 2266170 Ontario Inc. Capsules, beverage brewing systems and fabrics with optimum filtration characteristics
CN109603025B (zh) * 2018-12-12 2022-02-18 清华大学 一种呼吸过滤装置及其制备方法
CN114828979B (zh) 2019-10-08 2024-09-17 唐纳森公司 包括细纤维层的过滤器介质
CN112973451B (zh) * 2019-12-12 2022-10-21 中国石油化工股份有限公司 一种具有微纳复合网络孔结构的聚合物微滤膜及其制备方法和应用
BR112022008103A2 (pt) * 2019-11-01 2022-07-19 China Petroleum & Chem Corp Membrana à base de polímero, método para preparar uma membrana à base de polímero, uso de uma membrana à base de polímero e material funcional
WO2021203066A1 (en) 2020-04-03 2021-10-07 Donaldson Company, Inc. Filtration media
US12357043B2 (en) * 2020-04-09 2025-07-15 Global Graphene Group, Inc. Graphitic antiviral filtration element and filtration devices containing same
IL298078B2 (en) * 2020-05-15 2024-08-01 Entegris Inc A method for creating a single-layer composite membrane with lamination
CN111744367A (zh) * 2020-05-29 2020-10-09 北京交通大学 一种纳米材料和mof共同改性有机膜的制备方法及应用
JP2024511911A (ja) 2020-09-17 2024-03-18 ザ・ホンコン・ユニバーシティー・オブ・サイエンス・アンド・テクノロジー 透明で再利用可能な超高分子量ポリエチレンナノポーラスエアフィルタ
EP4313384A4 (en) * 2021-03-30 2024-10-23 Entegris, Inc. Liquid purification membrane including carbonaceous materials and methods of forming them
JP7219412B2 (ja) * 2021-06-04 2023-02-08 ダイキン工業株式会社 エアフィルタ濾材、プリーツ状濾材、エアフィルタユニット、マスク用濾材、および、エアフィルタ濾材の再生方法
US12140342B2 (en) * 2021-07-29 2024-11-12 Taiwan Semiconductor Manufacturing Company Ltd. Makeup air handling unit in semiconductor fabrication building and method for cleaning air using the same
JP7813106B2 (ja) 2021-08-10 2026-02-12 帝人株式会社 積層膜
JP7797133B2 (ja) * 2021-08-10 2026-01-13 帝人株式会社 積層膜
CN115339088B (zh) * 2022-08-31 2025-07-11 上海化工研究院有限公司 一种高性能聚乙烯扁丝产品及其制备和应用
US11958036B1 (en) * 2023-09-01 2024-04-16 King Faisal University Polyethylene-based porous oil sorbent with swellable pockets
WO2026020092A1 (en) 2024-07-19 2026-01-22 W. L. Gore & Associates, Inc. Polyethylene membrane and acoustic devices comprising a polyethylene membrane
US20260047015A1 (en) 2024-08-07 2026-02-12 W. L. Gore & Associates, Inc. Multilayer Vent Assembly
WO2026035792A1 (en) 2024-08-07 2026-02-12 W. L. Gore & Associates, Inc. Multilayer coated vent assembly

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242035A (ja) * 1984-04-27 1985-12-02 Toa Nenryo Kogyo Kk ポリエチレン微多孔膜の製造方法
US4696748A (en) 1984-10-16 1987-09-29 Asahi Medical Co., Ltd. Plasma separator and a process for preparing the same
JPH0790153B2 (ja) * 1986-04-28 1995-10-04 三菱化学株式会社 ポリオレフイン製透過膜及びその製造方法
JPH06104736B2 (ja) 1989-08-03 1994-12-21 東燃株式会社 ポリオレフィン微多孔膜
JPH051165A (ja) * 1990-09-27 1993-01-08 Dainippon Printing Co Ltd 超高分子量ポリエチレン多孔質シートまたはフイルムの製造方法
NL9100278A (nl) 1991-02-18 1992-09-16 Stamicarbon Microporeuze folie en werkwijze voor de vervaardiging daarvan.
NL9100279A (nl) * 1991-02-18 1992-09-16 Stamicarbon Microporeuze folie uit polyetheen en werkwijze voor de vervaardiging daarvan.
US5507847A (en) 1994-07-29 1996-04-16 W. L. Gore & Associates, Inc. ULPA filter
EP0947545B1 (en) * 1997-10-23 2004-06-02 Tonen Chemical Corporation Process for preparing highly permeable microporous polyolefin film
CN1113077C (zh) * 1998-03-24 2003-07-02 旭化成株式会社 聚烯烃微孔膜
JP4494638B2 (ja) * 1998-10-01 2010-06-30 東燃化学株式会社 ポリオレフィン微多孔膜及びその製造方法
JP3584855B2 (ja) 1999-10-07 2004-11-04 ダイキン工業株式会社 エアフィルター濾材
US6409785B1 (en) 2000-08-07 2002-06-25 Bha Technologies, Inc. Cleanable HEPA filter media
WO2002072248A1 (en) * 2001-03-09 2002-09-19 Asahi Kasei Kabushiki Kaisha Microporous film and method for preparation thereof
US7323274B1 (en) * 2004-05-12 2008-01-29 Garrin Samii Shutdown separators with improved properties
US7604687B2 (en) * 2005-06-03 2009-10-20 Daramic Llc Gas filtration media
EP1930156B1 (en) * 2005-09-28 2013-03-27 Toray Battery Separator Film Co., Ltd. Process for producing microporous polyethylene film and separator for cell
US10615388B2 (en) * 2006-03-22 2020-04-07 Celgard, Llc Membrane made of a blend of UHMW polyolefins
EP2060315A3 (en) * 2007-11-15 2009-08-12 DSMIP Assets B.V. High performance membrane
KR101651298B1 (ko) 2008-02-22 2016-08-25 리달 솔루테크 비.브이. 폴리에틸렌 멤브레인 및 이의 생산 방법
US20110223486A1 (en) * 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use

Also Published As

Publication number Publication date
JP2011512252A (ja) 2011-04-21
US20100313753A1 (en) 2010-12-16
CN102015080B (zh) 2014-12-10
EP2268386B8 (en) 2016-01-06
CN102015080A (zh) 2011-04-13
TW200948466A (en) 2009-12-01
EP2268386A1 (en) 2011-01-05
US8465565B2 (en) 2013-06-18
KR20100117127A (ko) 2010-11-02
CA2716272C (en) 2017-10-17
KR101651298B1 (ko) 2016-08-25
EP2268386B1 (en) 2015-07-22
WO2009103556A1 (en) 2009-08-27
CA2716272A1 (en) 2009-08-27
TWI503162B (zh) 2015-10-11

Similar Documents

Publication Publication Date Title
JP5928766B2 (ja) ポリエチレン製メンブレンおよびその製造方法
JP5012990B2 (ja) 多孔膜を備える濾材、その製造方法、フィルタパック、ならびにフィルタユニット
KR100459960B1 (ko) 다공성폴리테트라플루오로에틸렌막,이의제조방법,시트형폴리테트라플루오로에틸렌성형품및공기여과재
KR101353726B1 (ko) 폴리테트라플루오로에틸렌 다공질막의 제조 방법과 필터 여과재 및 필터 유닛
EP2733163B1 (en) Porous polytetrafluoroethylene film and air filter filtration material
CN100503000C (zh) 过滤器滤材,使用过滤器滤材的过滤器组件和空气过滤器部件以及过滤器滤材的制造方法
EP2730607B1 (en) Method for producing porous polytetrafluoroethylene membrane
JP7227507B2 (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
EP3520873B1 (en) Air filter medium, air filter pack, and air filter unit
JP6372507B2 (ja) エアフィルタ用濾材、エアフィルタユニット、およびエアフィルタ用濾材の製造方法
EP3520874B1 (en) Air filter medium, air filter pack, and air filter unit
JP2009501438A (ja) 電子部品冷却用ファン冷却ユニット
KR101998031B1 (ko) 에어 필터 유닛 및 공조기
CN112512661B (zh) 空气过滤器滤材、过滤包以及空气过滤器单元
JPH09206568A (ja) エアーフィルター用濾材
WO2016104589A1 (ja) エアフィルタ用濾材、フィルタパック、エアフィルタユニット、およびエアフィルタ用濾材の製造方法
EP3804832A1 (en) Filter medium and filter unit including same

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120217

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130215

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130524

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130604

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130904

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20140701

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20141106

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

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20141201

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

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20150123

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20151225

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20151225

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160413

R150 Certificate of patent or registration of utility model

Ref document number: 5928766

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

LAPS Cancellation because of no payment of annual fees