EP4127150A4 - Electrospun nanofibrous polymer membrane for use in personal protective equipment - Google Patents

Electrospun nanofibrous polymer membrane for use in personal protective equipment

Info

Publication number
EP4127150A4
EP4127150A4 EP21780536.5A EP21780536A EP4127150A4 EP 4127150 A4 EP4127150 A4 EP 4127150A4 EP 21780536 A EP21780536 A EP 21780536A EP 4127150 A4 EP4127150 A4 EP 4127150A4
Authority
EP
European Patent Office
Prior art keywords
polymer membrane
protective equipment
personal protective
electrospun nanofibrous
nanofibrous polymer
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
EP21780536.5A
Other languages
German (de)
French (fr)
Other versions
EP4127150A1 (en
Inventor
Feng Guo
Sherif Soliman
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.)
Matregenix Inc
Original Assignee
Matregenix 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
Application filed by Matregenix Inc filed Critical Matregenix Inc
Publication of EP4127150A1 publication Critical patent/EP4127150A1/en
Publication of EP4127150A4 publication Critical patent/EP4127150A4/en
Pending legal-status Critical Current

Links

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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • 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
    • B01D67/0004—Organic membrane manufacture by agglomeration of particles
    • B01D67/00044—Organic membrane manufacture by agglomeration of particles by plasma spraying
    • 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
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • 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
    • B01D67/0004—Organic membrane manufacture by agglomeration of particles
    • 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
    • B01D67/0004—Organic membrane manufacture by agglomeration of particles
    • B01D67/00042—Organic membrane manufacture by agglomeration of particles by deposition of fibres, nanofibres or nanofibrils
    • 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
    • B01D67/0079—Manufacture of membranes comprising organic and inorganic components
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • 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
    • B01D71/54—Polyureas; Polyurethanes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • B01D2239/0442—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
    • B01D2239/0457—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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0478—Surface coating material on a layer of the filter
    • 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
    • B01D2239/0631—Electro-spun
    • 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
    • B01D2239/0645—Arrangement of the particles 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
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/216—Surfactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/217—Emulgator or emulsion/foam forming agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/218—Additive materials
    • B01D2323/2181—Inorganic additives
    • B01D2323/21817—Salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/39—Electrospinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/48—Antimicrobial properties
EP21780536.5A 2020-03-31 2021-03-31 Electrospun nanofibrous polymer membrane for use in personal protective equipment Pending EP4127150A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063002435P 2020-03-31 2020-03-31
US202063116799P 2020-11-20 2020-11-20
PCT/US2021/025285 WO2021202820A1 (en) 2020-03-31 2021-03-31 Electrospun nanofibrous polymer membrane for use in personal protective equipment

Publications (2)

Publication Number Publication Date
EP4127150A1 EP4127150A1 (en) 2023-02-08
EP4127150A4 true EP4127150A4 (en) 2024-04-10

Family

ID=77929867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21780536.5A Pending EP4127150A4 (en) 2020-03-31 2021-03-31 Electrospun nanofibrous polymer membrane for use in personal protective equipment

Country Status (6)

Country Link
EP (1) EP4127150A4 (en)
JP (1) JP2023520541A (en)
KR (1) KR20230076803A (en)
CN (1) CN116034156A (en)
CA (1) CA3174368A1 (en)
WO (1) WO2021202820A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024013468A1 (en) * 2022-07-11 2024-01-18 University Court Of The University Of St Andrews Functionalised metal-organic framework
WO2024073619A1 (en) * 2022-09-28 2024-04-04 Delstar Technologies, Inc. Filters with electrostatic filtering capabilities

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130291878A1 (en) * 2010-12-29 2013-11-07 Shinji Takayama Medical mask with a functional material
US20160015098A1 (en) * 2013-03-15 2016-01-21 Matthew CONLON A facemask having one or more nanofiber layers
US20180117370A1 (en) * 2015-06-01 2018-05-03 Amogreentech Co., Ltd. Mask having adsorption membrane provided therein

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101409421B1 (en) * 2012-09-20 2014-06-18 한국과학기술연구원 Fiber-based filter with nanonet layer and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130291878A1 (en) * 2010-12-29 2013-11-07 Shinji Takayama Medical mask with a functional material
US20160015098A1 (en) * 2013-03-15 2016-01-21 Matthew CONLON A facemask having one or more nanofiber layers
US20180117370A1 (en) * 2015-06-01 2018-05-03 Amogreentech Co., Ltd. Mask having adsorption membrane provided therein

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
ABDULKAREEM MELAIYE ET AL: "Silver(I)-Imidazole Cyclophane gem-Diol Complexes Encapsulated by Electrospun Tecophilic Nanofibers: Formation of Nanosilver Particles and Antimicrobial Activity", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, vol. 127, 1 January 2005 (2005-01-01), pages 2285 - 2291, XP007921351, ISSN: 0002-7863, [retrieved on 20050129], DOI: 10.1021/JA040226S *
BAJI AVINASH ET AL: "Emerging Developments in the Use of Electrospun Fibers and Membranes for Protective Clothing Applications", POLYMERS, vol. 12, no. 2, 24 February 2020 (2020-02-24), pages 492, XP055905543, DOI: 10.3390/polym12020492 *
CHOWDHURY MOHAMMAD ASADUZZAMAN ET AL: "Prospect of biobased antiviral face mask to limit the coronavirus outbreak", ENVIRONMENTAL RESEARCH, ACADEMIC PRESS, SAN DIEGO, CA, US, vol. 192, 3 October 2020 (2020-10-03), XP086392438, ISSN: 0013-9351, [retrieved on 20201003], DOI: 10.1016/J.ENVRES.2020.110294 *
CUI HONGMIN ET AL: "Multilevel porous structured polyvinylidene fluoride/polyurethane fibrous membranes for ultrahigh waterproof and breathable application", COMPOSITES COMMUNICATIONS, vol. 6, 1 November 2017 (2017-11-01), pages 63 - 67, XP093052359, ISSN: 2452-2139, Retrieved from the Internet <URL:https://pdf.sciencedirectassets.com/313916/1-s2.0-S2452213917X00041/1-s2.0-S2452213917300748/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEA0aCXVzLWVhc3QtMSJHMEUCIQCzg1gPhBJMQEsg6g93YrVjLjgQafn5E5kyCmxC49Y3agIgXrlpQVLDFzE4N5FiWQRRyCyc9hB1rU0tI7XdsuuawtIqsgUIVhAFGgwwNTkwMDM1NDY4NjUiDDSZJl1E/Nbz0Djy0> [retrieved on 20230612], DOI: 10.1016/j.coco.2017.10.002 *
LEE SEUNGSIN: "Developing UV-protective textiles based on electrospun zinc oxide nanocomposite fibers", FIBERS AND POLYMERS, vol. 10, no. 3, 1 June 2009 (2009-06-01), Seoul, pages 295 - 301, XP093052386, ISSN: 1229-9197, Retrieved from the Internet <URL:http://link.springer.com/article/10.1007/s12221-009-0295-2/fulltext.html> [retrieved on 20230612], DOI: 10.1007/s12221-009-0295-2 *
See also references of WO2021202820A1 *
VANANGAMUDI ANBHARASI ET AL: "Synthesis of hybrid hydrophobic composite air filtration membranes for antibacterial activity and chemical detoxification with high particulate filtration efficiency (PFE)", CHEMICAL ENGENEERING JOURNAL, vol. 260, 17 September 2014 (2014-09-17), AMSTERDAM, NL, pages 801 - 808, XP093052436, ISSN: 1385-8947, Retrieved from the Internet <URL:https://pdf.sciencedirectassets.com/271942/1-s2.0-S1385894714X00203/1-s2.0-S1385894714011164/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBEaCXVzLWVhc3QtMSJGMEQCIDktxlV+nUzSaGxCnjhh92LQJm/cSPOgbT6LVsEh5L+wAiAC9r0ICKdgD+HKNSjgxzcYDRItfm1Nk7rOMcrySeHlvyqzBQhaEAUaDDA1OTAwMzU0Njg2NSIMoiAla1ecjzBfAa8YK> [retrieved on 20230612], DOI: 10.1016/j.cej.2014.08.062 *

Also Published As

Publication number Publication date
WO2021202820A1 (en) 2021-10-07
CN116034156A (en) 2023-04-28
CA3174368A1 (en) 2021-10-07
EP4127150A1 (en) 2023-02-08
JP2023520541A (en) 2023-05-17
KR20230076803A (en) 2023-05-31

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