IL277668B - Asymmetric composite membranes and modified substrates - Google Patents

Asymmetric composite membranes and modified substrates

Info

Publication number
IL277668B
IL277668B IL277668A IL27766820A IL277668B IL 277668 B IL277668 B IL 277668B IL 277668 A IL277668 A IL 277668A IL 27766820 A IL27766820 A IL 27766820A IL 277668 B IL277668 B IL 277668B
Authority
IL
Israel
Prior art keywords
composite membranes
modified substrates
asymmetric composite
asymmetric
substrates
Prior art date
Application number
IL277668A
Other languages
Hebrew (he)
Other versions
IL277668A (en
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 IL277668A publication Critical patent/IL277668A/en
Publication of IL277668B publication Critical patent/IL277668B/en

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
    • 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
    • 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
    • B01D71/26—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
    • 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
    • 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)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Graft Or Block Polymers (AREA)
IL277668A 2018-03-30 2020-09-29 Asymmetric composite membranes and modified substrates IL277668B (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 (2)

Publication Number Publication Date
IL277668A IL277668A (en) 2020-11-30
IL277668B true IL277668B (en) 2022-03-01

Family

ID=68058626

Family Applications (1)

Application Number Title Priority Date Filing Date
IL277668A IL277668B (en) 2018-03-30 2020-09-29 Asymmetric composite membranes and modified substrates

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020202044A1 (en) * 2019-04-01 2020-10-08 Hydroxsys Holdings Limited Composite membranes
US20210016554A1 (en) * 2018-03-30 2021-01-21 Hydroxsys Holdings Limited Asymmetric composite membranes and hydrophilicitized microporous sheets of polyolefin used in their preparation
CN111495217B (en) * 2020-04-14 2022-07-08 北京上远科技有限公司 Preparation method of surface-modified pollution-resistant composite nanofiltration membrane

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3741871B2 (en) 1998-08-12 2006-02-01 日本原子力研究所 Radiation graft polymerization method
CA2405744A1 (en) * 2000-04-28 2001-11-08 Puradyn Filter Technologies Incorporated Improved filtration efficiency
JP4229421B2 (en) * 2000-11-02 2009-02-25 等 金澤 Method for modifying polymer material and use thereof
JP4384444B2 (en) 2003-05-29 2009-12-16 株式会社荏原製作所 Electric demineralizer and electrodialyzer
WO2006035917A2 (en) 2004-09-27 2006-04-06 Ebara Corporation Method of manufacturing grafted material
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 (en) * 2013-01-08 2014-07-10 PolyAn Gesellschaft zur Herstellung von Polymeren für spezielle Anwendungen und Analytik mbH Process for producing a plastic article with hydrophobic graft coating and plastic articles
CN103816816B (en) * 2014-02-28 2016-02-03 中国科学院长春应用化学研究所 A kind of polymeric film material and preparation method thereof
US10792620B2 (en) * 2014-11-20 2020-10-06 Entegris, Inc. Grafted ultra high molecular weight polyethylene microporous membranes
CN107614093B (en) * 2014-12-24 2021-04-06 海德奥克赛斯控股有限公司 Asymmetric composite membrane and modified substrate used in preparation thereof
WO2017056074A1 (en) * 2015-10-01 2017-04-06 Craft Lenka Benacek Asymmetric composite membrane and a method of preparation thereof
CN105498554A (en) * 2016-02-01 2016-04-20 常州市君成机械有限公司 Preparation method of UV-irradiation grafting modified nanofiltration membrane with high retention rate
JP2019085502A (en) * 2017-11-08 2019-06-06 王子ホールディングス株式会社 Base material for molded body, and method for producing base material for molded body

Also Published As

Publication number Publication date
GB2586107B (en) 2021-12-22
GB202017215D0 (en) 2020-12-16
NZ767051A (en) 2021-10-29
AU2020233616A1 (en) 2020-10-08
JP7292742B2 (en) 2023-06-19
WO2019186518A1 (en) 2019-10-03
GB2586107A (en) 2021-02-03
IL277668A (en) 2020-11-30
CN112739450A (en) 2021-04-30
SG11202009651QA (en) 2020-10-29
JP2021519686A (en) 2021-08-12
EP3774004A1 (en) 2021-02-17
AU2019246749A1 (en) 2020-07-23
AU2019246749B2 (en) 2020-10-29
EP3774004A4 (en) 2022-05-04

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