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

    • 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
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2041—Metallic material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
    • 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
    • B01D67/002—Organic membrane manufacture from melts
    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0086—Mechanical after-treatment
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/1213—Laminated layers
    • 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
    • B01D69/1216—Three or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0241—Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/045—Deodorising additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0457—Specific fire retardant or heat resistant properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/064—The fibres being mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1208—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1225—Fibre length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1241—Particle diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1291—Other parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • 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
    • B01D2325/02834—Pore size more than 0.1 and up to 1 µm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific 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
EP08101870.7 2008-02-22
EP08101870 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
CA2786867C (en) * 2010-01-18 2022-01-04 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
US20120175298A1 (en) * 2010-10-21 2012-07-12 Eastman Chemical Company High efficiency filter
US20120183861A1 (en) 2010-10-21 2012-07-19 Eastman Chemical Company Sulfopolyester binders
CN103747854B (zh) 2011-06-07 2016-12-07 迪博因特技术公司 包括纳米纤维层的选择性水蒸汽输送膜及其制作方法
DK2720862T3 (en) 2011-06-17 2016-09-19 Fiberweb Inc Vapor permeable, water impervious TOTAL MAJOR MULTI-LAYER ARTICLE
US10369769B2 (en) 2011-06-23 2019-08-06 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
ES2643697T3 (es) 2011-06-23 2017-11-23 Fiberweb, Llc Artículo multicapa permeable al vapor y prácticamente impermeable al agua
WO2012178011A2 (en) 2011-06-24 2012-12-27 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
US8906200B2 (en) 2012-01-31 2014-12-09 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
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
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
US11103833B2 (en) 2016-03-18 2021-08-31 Entegris, Inc. Hydrophobic polyethylene membrane for use in venting, degassing, and membrane distillation processes
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
CN114938636A (zh) 2019-10-08 2022-08-23 唐纳森公司 包括混合直径细纤维的过滤介质层
EP4052782A4 (en) 2019-11-01 2024-01-03 China Petroleum & Chemical Corporation Polymer-based film, preparation method therefor, and use thereof
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
US12357043B2 (en) * 2020-04-09 2025-07-15 Global Graphene Group, Inc. Graphitic antiviral filtration element and filtration devices containing same
JP7738556B2 (ja) 2020-04-03 2025-09-12 ドナルドソン カンパニー，インコーポレイティド 濾過媒体
EP4149664A4 (en) * 2020-05-15 2024-05-29 Entegris, Inc. METHOD FOR PRODUCING A LAMINATED SINGLE-LAYER COMPOSITE MEMBRANE
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
CN116261579A (zh) * 2020-09-17 2023-06-13 香港科技大学 透明的可重复使用的超高分子量聚乙烯空气过滤器
US20220323912A1 (en) * 2021-03-30 2022-10-13 Entegris, Inc. Liquid purification membrane including carbonaceous materials and methods of forming them
EP4353344A4 (en) * 2021-06-04 2024-08-21 Daikin Industries, Ltd. AIR FILTER MEDIA, PLEATED FILTER MEDIA, AIR FILTER UNIT, MASK FILTRATION MEDIA, AND METHOD FOR RECYCLING AIR FILTER MEDIA
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
WO2026035788A1 (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
WO1999021914A1 (en) * 1997-10-23 1999-05-06 Tonen Sekiyukagaku Kk Process for preparing highly permeable microporous polyolefin film
WO1999048959A1 (fr) * 1998-03-24 1999-09-30 Asahi Kasei Kogyo Kabushiki Kaisha Film polyolefinique microporeux
US6666969B1 (en) * 1998-10-01 2003-12-23 Tonen Chemical Corporation Microporous polyolefin film and process for producing the same
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
JP4012822B2 (ja) * 2001-03-09 2007-11-21 旭化成ケミカルズ株式会社 微多孔膜およびその製造方法
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
WO2007037289A1 (ja) * 2005-09-28 2007-04-05 Tonen Chemical Corporation ポリエチレン微多孔膜の製造方法及び電池用セパレータ
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
EP2268386B1 (en) 2015-07-22
US20100313753A1 (en) 2010-12-16
CA2716272C (en) 2017-10-17
CN102015080A (zh) 2011-04-13
JP2011512252A (ja) 2011-04-21
US8465565B2 (en) 2013-06-18
WO2009103556A1 (en) 2009-08-27
KR20100117127A (ko) 2010-11-02
CN102015080B (zh) 2014-12-10
TW200948466A (en) 2009-12-01
KR101651298B1 (ko) 2016-08-25
EP2268386B8 (en) 2016-01-06
EP2268386A1 (en) 2011-01-05
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
EP3520873B1 (en) Air filter medium, air filter pack, and air filter unit
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
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
CN112770827B (en) Air filter medium, filter pack, air filter unit, and method for producing these

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