CA2927280A1 - Filtration media fiber structure and method of making same - Google Patents

Filtration media fiber structure and method of making same Download PDF

Info

Publication number
CA2927280A1
CA2927280A1 CA2927280A CA2927280A CA2927280A1 CA 2927280 A1 CA2927280 A1 CA 2927280A1 CA 2927280 A CA2927280 A CA 2927280A CA 2927280 A CA2927280 A CA 2927280A CA 2927280 A1 CA2927280 A1 CA 2927280A1
Authority
CA
Canada
Prior art keywords
fibers
nano
micron
sized
fiber structure
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.)
Pending
Application number
CA2927280A
Other languages
English (en)
French (fr)
Inventor
Kui-Chiu Kwok
Al VATINE
Scott B. Beier
Gary Pospisal
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.)
Products Unlimited Inc
LMS Technologies Inc
Original Assignee
Products Unlimited Inc
LMS Technologies Inc
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
Priority claimed from US14/689,503 external-priority patent/US9993761B2/en
Application filed by Products Unlimited Inc, LMS Technologies Inc filed Critical Products Unlimited Inc
Publication of CA2927280A1 publication Critical patent/CA2927280A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • 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
    • 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
    • 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
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421—Rendering the filter material hydrophilic
    • 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
    • B01D2239/06—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
    • B01D2239/10—Filtering material manufacturing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
CA2927280A 2015-04-17 2016-04-15 Filtration media fiber structure and method of making same Pending CA2927280A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/689,503 2015-04-17
US14/689,503 US9993761B2 (en) 2013-03-15 2015-04-17 Filtration media fiber structure and method of making same

Publications (1)

Publication Number Publication Date
CA2927280A1 true CA2927280A1 (en) 2016-10-17

Family

ID=55802236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2927280A Pending CA2927280A1 (en) 2015-04-17 2016-04-15 Filtration media fiber structure and method of making same

Country Status (4)

Country Link
EP (1) EP3081277B1 (https=)
JP (1) JP7005124B2 (https=)
CN (2) CN106039833B (https=)
CA (1) CA2927280A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022022453A1 (en) * 2020-07-29 2022-02-03 The University Of Hong Kong Reusable nanocomposite porous filter for highly efficient air filtration
CN114763675A (zh) * 2021-01-15 2022-07-19 中国科学院化学研究所 一种生物质复合材料及其制备方法和应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6838005B2 (en) * 2001-06-22 2005-01-04 Frederick Tepper Nanosize electropositive fibrous adsorbent
US20050026526A1 (en) 2003-07-30 2005-02-03 Verdegan Barry M. High performance filter media with internal nanofiber structure and manufacturing methodology
US7717975B2 (en) * 2005-02-16 2010-05-18 Donaldson Company, Inc. Reduced solidity web comprising fiber and fiber spacer or separation means
US7981509B2 (en) * 2006-02-13 2011-07-19 Donaldson Company, Inc. Polymer blend, polymer solution composition and fibers spun from the polymer blend and filtration applications thereof
CN101443090B (zh) 2006-03-31 2013-05-15 阿尔贡尼德公司 结合超细或纳米尺寸粉末的无纺介质
US8303693B2 (en) 2007-04-26 2012-11-06 The Hong Kong Polytechnic University Nanofiber filter facemasks and cabin filters
JP2009150005A (ja) 2007-12-19 2009-07-09 Kuraray Co Ltd 繊維状構造物およびその用途ならびに製造方法
JP5504779B2 (ja) 2008-09-17 2014-05-28 東レ株式会社 エレクトレット濾材およびその製造方法
JP5284889B2 (ja) 2009-06-24 2013-09-11 帝人株式会社 繊維製品
US8636833B2 (en) * 2009-09-16 2014-01-28 E I Du Pont De Nemours And Company Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment
WO2012027242A1 (en) * 2010-08-23 2012-03-01 The Research Foundation Of State University Of New York High flux microfiltration membranes with virus and metal ion adsorption capability for liquid purification
US10137392B2 (en) * 2012-12-14 2018-11-27 Hollingsworth & Vose Company Fiber webs coated with fiber-containing resins
JP6055313B2 (ja) 2013-01-09 2016-12-27 呉羽テック株式会社 不織布濾材
US9522357B2 (en) * 2013-03-15 2016-12-20 Products Unlimited, Inc. Filtration media fiber structure and method of making same
TWI530596B (zh) * 2013-06-28 2016-04-21 財團法人紡織產業綜合研究所 濾材及其製造方法
CN103691200A (zh) * 2014-01-13 2014-04-02 魏耘 空气过滤介质材料、介质、过滤器及空气过滤方法

Also Published As

Publication number Publication date
JP7005124B2 (ja) 2022-01-21
CN113318516A (zh) 2021-08-31
EP3081277A3 (en) 2016-10-26
EP3081277B1 (en) 2018-04-11
JP2017006906A (ja) 2017-01-12
EP3081277A2 (en) 2016-10-19
CN106039833A (zh) 2016-10-26
CN106039833B (zh) 2021-06-18

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