AU2019246749B2 - 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
AU2019246749B2
AU2019246749B2 AU2019246749A AU2019246749A AU2019246749B2 AU 2019246749 B2 AU2019246749 B2 AU 2019246749B2 AU 2019246749 A AU2019246749 A AU 2019246749A AU 2019246749 A AU2019246749 A AU 2019246749A AU 2019246749 B2 AU2019246749 B2 AU 2019246749B2
Authority
AU
Australia
Prior art keywords
poly
polyolefin
microporous sheet
ethylene
sheet
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.)
Ceased
Application number
AU2019246749A
Other languages
English (en)
Other versions
AU2019246749A1 (en
Inventor
Dylan Townshend Gifford
Sophie Jayne MILLS
Gordon Brett PASCOE
Chathuni Duleesha RANAWEERA
Walt WHEELWRIGHT
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2019246749A1 publication Critical patent/AU2019246749A1/en
Priority to AU2020233616A priority Critical patent/AU2020233616A1/en
Application granted granted Critical
Publication of AU2019246749B2 publication Critical patent/AU2019246749B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01D67/0081—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)
AU2019246749A 2018-03-30 2019-04-01 Asymmetric composite membranes and modified substrates used in their preparation Ceased AU2019246749B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2020233616A AU2020233616A1 (en) 2018-03-30 2020-09-14 Asymmetric composite membranes and modified substrates used in their preparation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2018901072 2018-03-30
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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2020233616A Division AU2020233616A1 (en) 2018-03-30 2020-09-14 Asymmetric composite membranes and modified substrates used in their preparation

Publications (2)

Publication Number Publication Date
AU2019246749A1 AU2019246749A1 (en) 2020-07-23
AU2019246749B2 true AU2019246749B2 (en) 2020-10-29

Family

ID=68058626

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2019246749A Ceased AU2019246749B2 (en) 2018-03-30 2019-04-01 Asymmetric composite membranes and modified substrates used in their preparation
AU2020233616A Abandoned AU2020233616A1 (en) 2018-03-30 2020-09-14 Asymmetric composite membranes and modified substrates used in their preparation

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2020233616A Abandoned AU2020233616A1 (en) 2018-03-30 2020-09-14 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016103239A1 (en) * 2014-12-24 2016-06-30 Mark Exley Asymmetric composite membranes and modified substrates used in their preparation

Family Cites Families (13)

* 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
EP1921702A1 (en) * 2006-11-10 2008-05-14 DSMIP Assets B.V. Humidifier membrane
US8366811B2 (en) * 2009-03-03 2013-02-05 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
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
CN107106997B (zh) * 2014-11-20 2021-10-26 恩特格里斯公司 接枝的超高分子量聚乙烯微孔膜
WO2017056074A1 (en) * 2015-10-01 2017-04-06 Craft Lenka Benacek Asymmetric composite membrane and a method of preparation thereof
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016103239A1 (en) * 2014-12-24 2016-06-30 Mark Exley Asymmetric composite membranes and modified substrates used in their preparation

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
GB2586107B (en) 2021-12-22
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

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired