SG10201912499PA - A method of forming a thin film through-hole membrane - Google Patents

A method of forming a thin film through-hole membrane

Info

Publication number
SG10201912499PA
SG10201912499PA SG10201912499PA SG10201912499PA SG10201912499PA SG 10201912499P A SG10201912499P A SG 10201912499PA SG 10201912499P A SG10201912499P A SG 10201912499PA SG 10201912499P A SG10201912499P A SG 10201912499PA SG 10201912499P A SG10201912499P A SG 10201912499PA
Authority
SG
Singapore
Prior art keywords
forming
thin film
hole membrane
membrane
hole
Prior art date
Application number
SG10201912499PA
Inventor
Him Cheng Wong
Hong Yee Low
Virgile Viasnoff
Original Assignee
Univ Singapore Technology & Design
Nat Univ Singapore
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 Univ Singapore Technology & Design, Nat Univ Singapore filed Critical Univ Singapore Technology & Design
Publication of SG10201912499PA publication Critical patent/SG10201912499PA/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
    • B01D67/0002—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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • 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
    • B01D71/40—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
    • B01D71/4011—Polymethylmethacrylate
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/52—Use of a mould
    • 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
    • B01D2325/021—Pore shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
SG10201912499PA 2016-01-08 2017-01-09 A method of forming a thin film through-hole membrane SG10201912499PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG10201600134R 2016-01-08

Publications (1)

Publication Number Publication Date
SG10201912499PA true SG10201912499PA (en) 2020-02-27

Family

ID=59273845

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201805847XA SG11201805847XA (en) 2016-01-08 2017-01-09 A method of forming a thin film through-hole membrane
SG10201912499PA SG10201912499PA (en) 2016-01-08 2017-01-09 A method of forming a thin film through-hole membrane

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG11201805847XA SG11201805847XA (en) 2016-01-08 2017-01-09 A method of forming a thin film through-hole membrane

Country Status (3)

Country Link
US (1) US20190022595A1 (en)
SG (2) SG11201805847XA (en)
WO (1) WO2017119850A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11325075B2 (en) * 2017-07-10 2022-05-10 Singapore University Of Technology And Design Carbon capture membrane
WO2019190404A1 (en) * 2018-03-28 2019-10-03 Singapore University Of Technology And Design A porous membrane fabrication system
EP3680212A1 (en) * 2019-01-09 2020-07-15 Infineon Technologies AG Method for producing a plurality of filters and mems device having a filter
US20220054986A1 (en) * 2020-07-17 2022-02-24 Microcontinuum, Inc. Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation
EP3991831A1 (en) * 2020-10-30 2022-05-04 Zhou, Xiang-Qian Method for fabricating nanoporous thin film, nanoporous thin film and its applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1815968A1 (en) * 2004-11-22 2007-08-08 Sumitomo Electric Industries, Ltd. Processing method, processing apparatus, and fine structure produced by the method
WO2009097247A1 (en) * 2008-01-29 2009-08-06 California Institute Of Technology Method and apparatus for microfiltration to perform cell separation
JP5679253B2 (en) * 2009-05-26 2015-03-04 国立大学法人東京工業大学 Self-supporting polymer thin film
US9327217B2 (en) * 2011-09-21 2016-05-03 Nanyang Technological University Multilayer filter
JP5518039B2 (en) * 2011-12-28 2014-06-11 株式会社日立製作所 Filter and manufacturing method thereof

Also Published As

Publication number Publication date
SG11201805847XA (en) 2018-08-30
WO2017119850A1 (en) 2017-07-13
US20190022595A1 (en) 2019-01-24

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