GB2586107B - Asymmetric composite membranes and modified substrates used in their preparation - Google Patents

Asymmetric composite membranes and modified substrates used in their preparation Download PDF

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Publication number
GB2586107B
GB2586107B GB2017215.1A GB202017215A GB2586107B GB 2586107 B GB2586107 B GB 2586107B GB 202017215 A GB202017215 A GB 202017215A GB 2586107 B GB2586107 B GB 2586107B
Authority
GB
United Kingdom
Prior art keywords
preparation
substrates used
composite membranes
modified substrates
asymmetric composite
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.)
Active
Application number
GB2017215.1A
Other languages
English (en)
Other versions
GB202017215D0 (en
GB2586107A (en
Inventor
Townshend Gifford Dylan
Jayne Mills Sophie
Brett Pascoe Gordon
Duleesha Ranaweera Chathuni
Wheelwright Walt
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.)
Hydroxsys Holdings Ltd
Original Assignee
Hydroxsys Holdings Ltd
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 AU2018901072A external-priority patent/AU2018901072A0/en
Application filed by Hydroxsys Holdings Ltd filed Critical Hydroxsys Holdings Ltd
Publication of GB202017215D0 publication Critical patent/GB202017215D0/en
Publication of GB2586107A publication Critical patent/GB2586107A/en
Application granted granted Critical
Publication of GB2586107B publication Critical patent/GB2586107B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • B01D67/0093—Chemical modification
    • B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
    • 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
    • B01D67/0095—Drying
    • 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
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/28—Polymers of vinyl aromatic compounds
    • B01D71/281—Polystyrene
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • 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
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
    • B01D2323/385—Graft polymerization involving radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/40—Details relating to membrane preparation in-situ membrane formation
    • 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
    • B01D2325/022—Asymmetric membranes
    • 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
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0233—Asymmetric membranes with clearly distinguishable layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/30—Chemical resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Graft Or Block Polymers (AREA)
  • Laminated Bodies (AREA)
GB2017215.1A 2018-03-30 2019-04-01 Asymmetric composite membranes and modified substrates used in their preparation Active GB2586107B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2018901072A AU2018901072A0 (en) 2018-03-30 Modified polymers
PCT/IB2019/052649 WO2019186518A1 (en) 2018-03-30 2019-04-01 Asymmetric composite membranes and modified substrates used in their preparation

Publications (3)

Publication Number Publication Date
GB202017215D0 GB202017215D0 (en) 2020-12-16
GB2586107A GB2586107A (en) 2021-02-03
GB2586107B true GB2586107B (en) 2021-12-22

Family

ID=68058626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2017215.1A Active GB2586107B (en) 2018-03-30 2019-04-01 Asymmetric composite membranes and modified substrates used in their preparation

Country Status (8)

Country Link
EP (1) EP3774004A4 (enExample)
JP (1) JP7292742B2 (enExample)
CN (1) CN112739450A (enExample)
AU (2) AU2019246749B2 (enExample)
GB (1) GB2586107B (enExample)
IL (1) IL277668B (enExample)
SG (1) SG11202009651QA (enExample)
WO (1) WO2019186518A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12083780B2 (en) * 2018-03-30 2024-09-10 Hydroxsys Holdings Limited Asymmetric composite membranes and hydrophilicitized microporous sheets of polyolefin used in their preparation
WO2020202044A1 (en) * 2019-04-01 2020-10-08 Hydroxsys Holdings Limited Composite membranes
CN111495217B (zh) * 2020-04-14 2022-07-08 北京上远科技有限公司 一种表面改性耐污染复合纳滤膜的制备方法
CN118874240B (zh) * 2024-09-18 2025-08-26 山东大学 一种致密聚酰胺Janus膜蒸馏膜及其制备方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008043507A1 (en) * 2006-10-11 2008-04-17 Lydall Solutech B.V. Humidifier membrane
US20130116589A1 (en) * 2009-03-03 2013-05-09 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
WO2016081729A1 (en) * 2014-11-20 2016-05-26 Entegris, Inc. Grafted ultra high molecular weight polyethylene microporous membranes
WO2016103239A1 (en) * 2014-12-24 2016-06-30 Mark Exley Asymmetric composite membranes and modified substrates used in their preparation
WO2017056074A1 (en) * 2015-10-01 2017-04-06 Craft Lenka Benacek Asymmetric composite membrane and a method of preparation thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3741871B2 (ja) 1998-08-12 2006-02-01 日本原子力研究所 放射線グラフト重合方法
AU2001259213A1 (en) * 2000-04-28 2001-11-12 Puradyn Filter Technologies Incorporated Improved filtration efficiency
JP4229421B2 (ja) * 2000-11-02 2009-02-25 等 金澤 高分子材料の改質方法およびその用途
JP4384444B2 (ja) 2003-05-29 2009-12-16 株式会社荏原製作所 電気式脱塩装置及び電気透析装置
JP2008514735A (ja) 2004-09-27 2008-05-08 株式会社荏原製作所 グラフト材料及びその製造方法
DE102013200120A1 (de) * 2013-01-08 2014-07-10 PolyAn Gesellschaft zur Herstellung von Polymeren für spezielle Anwendungen und Analytik mbH Verfahren zur Herstellung eines Kunststoffartikels mit hydrophober Pfropfbeschichtungsowie Kunststoffartikel
CN103816816B (zh) * 2014-02-28 2016-02-03 中国科学院长春应用化学研究所 一种聚合物膜材料及其制备方法
CN105498554A (zh) * 2016-02-01 2016-04-20 常州市君成机械有限公司 一种辐照紫外接枝改性高截留率纳滤膜的制备方法
JP2019085502A (ja) * 2017-11-08 2019-06-06 王子ホールディングス株式会社 成形体用基材、および成形体用基材の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008043507A1 (en) * 2006-10-11 2008-04-17 Lydall Solutech B.V. Humidifier membrane
US20130116589A1 (en) * 2009-03-03 2013-05-09 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
WO2016081729A1 (en) * 2014-11-20 2016-05-26 Entegris, Inc. Grafted ultra high molecular weight polyethylene microporous membranes
WO2016103239A1 (en) * 2014-12-24 2016-06-30 Mark Exley Asymmetric composite membranes and modified substrates used in their preparation
WO2017056074A1 (en) * 2015-10-01 2017-04-06 Craft Lenka Benacek Asymmetric composite membrane and a method of preparation thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOLTO, B. et al., "Crosslinked poly(vinyl alcohol) membranes", Progress in Polymer Science, 2009, Vol 34, pages 969-981 *

Also Published As

Publication number Publication date
IL277668B (en) 2022-03-01
CN112739450A (zh) 2021-04-30
WO2019186518A1 (en) 2019-10-03
GB202017215D0 (en) 2020-12-16
EP3774004A4 (en) 2022-05-04
JP7292742B2 (ja) 2023-06-19
SG11202009651QA (en) 2020-10-29
AU2019246749A1 (en) 2020-07-23
JP2021519686A (ja) 2021-08-12
GB2586107A (en) 2021-02-03
NZ767051A (en) 2021-10-29
AU2020233616A1 (en) 2020-10-08
IL277668A (en) 2020-11-30
EP3774004A1 (en) 2021-02-17
AU2019246749B2 (en) 2020-10-29

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