EP4701772A1 - Pfas-freie beschichtete membranen mit spurenätzung - Google Patents

Pfas-freie beschichtete membranen mit spurenätzung

Info

Publication number
EP4701772A1
EP4701772A1 EP24722001.5A EP24722001A EP4701772A1 EP 4701772 A1 EP4701772 A1 EP 4701772A1 EP 24722001 A EP24722001 A EP 24722001A EP 4701772 A1 EP4701772 A1 EP 4701772A1
Authority
EP
European Patent Office
Prior art keywords
track
membrane
coating
etched
membrane according
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
EP24722001.5A
Other languages
English (en)
French (fr)
Inventor
Vassili Alfimov
Ulrike GÜNTER
Stefan SPROLL
Andreas Schneekloth
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.)
Oxyphen Germany Filtration Group Corp GmbH
Original Assignee
Oxyphen Germany Filtration Group Corp GmbH
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 Oxyphen Germany Filtration Group Corp GmbH filed Critical Oxyphen Germany Filtration Group Corp GmbH
Publication of EP4701772A1 publication Critical patent/EP4701772A1/de
Pending legal-status Critical Current

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
    • B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • B01D67/0034—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
    • 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
    • B01D67/0006—Organic membrane manufacture by chemical reactions
    • 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
    • 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
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/04—Hydrophobization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
EP24722001.5A 2023-04-25 2024-04-25 Pfas-freie beschichtete membranen mit spurenätzung Pending EP4701772A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP23169853 2023-04-25
EP24171620 2024-04-22
PCT/EP2024/061364 WO2024223731A1 (en) 2023-04-25 2024-04-25 Pfas-free coated track-etched membranes

Publications (1)

Publication Number Publication Date
EP4701772A1 true EP4701772A1 (de) 2026-03-04

Family

ID=90904916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24722001.5A Pending EP4701772A1 (de) 2023-04-25 2024-04-25 Pfas-freie beschichtete membranen mit spurenätzung

Country Status (4)

Country Link
EP (1) EP4701772A1 (de)
CN (1) CN121127303A (de)
MX (1) MX2025012594A (de)
WO (1) WO2024223731A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120515271B (zh) * 2025-07-25 2025-10-17 中国科学院近代物理研究所 一种孔分布均匀的核孔膜的辐照制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374100A (en) * 1963-10-22 1968-03-19 Sun Chemical Corp Water repellent compositions
US3612871A (en) 1969-04-01 1971-10-12 Gen Electric Method for making visible radiation damage tracks in track registration materials
DD235923A1 (de) 1980-10-08 1986-05-21 Akad Wissenschaften Ddr Verfahren zur erhoehung der aetzrate von teilchenspuren in polymerfolien
DE19536033C2 (de) 1995-09-28 1997-08-28 Oxyphen Gmbh Dresden Hydrophobe Kapillarporenmembran und Verfahren zur Herstellung
JP2008525180A (ja) * 2004-12-22 2008-07-17 ドレセル プライヴェイト リミテッド メンブレンカード並びにその製造方法及び使用方法
JP4747241B2 (ja) * 2005-02-25 2011-08-17 独立行政法人 日本原子力研究開発機構 機能性膜、燃料電池用電解質膜の製造方法、及び燃料電池用電解質膜
KR102241666B1 (ko) 2010-06-16 2021-04-16 닛토덴코 가부시키가이샤 방수 통기 필터 및 그의 용도
EP2683176B1 (de) 2011-03-03 2020-06-17 Nitto Denko Corporation Wasserdichter tonübertragender film und elektrisches produkt
MY163292A (en) * 2011-03-09 2017-09-15 Mitsui Chemicals Inc Pentamethylenediisocyanate, method for producing pentamethylenediisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin
JP6695017B2 (ja) * 2015-07-23 2020-05-20 日華化学株式会社 非フッ素系ポリマー、撥水剤組成物、撥水性繊維製品及び撥水性繊維製品の製造方法

Also Published As

Publication number Publication date
MX2025012594A (es) 2026-01-07
WO2024223731A1 (en) 2024-10-31
CN121127303A (zh) 2025-12-12

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