DE2618981B2 - Verfahren zur Herstellung einer porösen Folie mit feinen zylindrischen, miteinander in Verbindung stehenden Poren - Google Patents

Verfahren zur Herstellung einer porösen Folie mit feinen zylindrischen, miteinander in Verbindung stehenden Poren

Info

Publication number
DE2618981B2
DE2618981B2 DE2618981A DE2618981A DE2618981B2 DE 2618981 B2 DE2618981 B2 DE 2618981B2 DE 2618981 A DE2618981 A DE 2618981A DE 2618981 A DE2618981 A DE 2618981A DE 2618981 B2 DE2618981 B2 DE 2618981B2
Authority
DE
Germany
Prior art keywords
fine cylindrical
film
diameter
component
fine
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.)
Withdrawn
Application number
DE2618981A
Other languages
German (de)
English (en)
Other versions
DE2618981A1 (de
Inventor
Kenji Koyama
Syotaro Ohno
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co 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
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of DE2618981A1 publication Critical patent/DE2618981A1/de
Publication of DE2618981B2 publication Critical patent/DE2618981B2/de
Withdrawn legal-status Critical Current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
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B01D67/0031—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching by elimination of at least one of the blocks of a block copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE2618981A 1975-05-29 1976-04-29 Verfahren zur Herstellung einer porösen Folie mit feinen zylindrischen, miteinander in Verbindung stehenden Poren Withdrawn DE2618981B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50063518A JPS51139861A (en) 1975-05-29 1975-05-29 Porous synthetic resin film

Publications (2)

Publication Number Publication Date
DE2618981A1 DE2618981A1 (de) 1976-12-16
DE2618981B2 true DE2618981B2 (de) 1979-09-27

Family

ID=13231508

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2618981A Withdrawn DE2618981B2 (de) 1975-05-29 1976-04-29 Verfahren zur Herstellung einer porösen Folie mit feinen zylindrischen, miteinander in Verbindung stehenden Poren

Country Status (5)

Country Link
US (1) US4096099A (OSRAM)
JP (1) JPS51139861A (OSRAM)
DE (1) DE2618981B2 (OSRAM)
FR (1) FR2312529A1 (OSRAM)
GB (1) GB1541042A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850626B2 (ja) * 1977-02-24 1983-11-11 信越ポリマ−株式会社 ゴム弾性体からなる蓮莖様構造体およびその製造方法
IL60886A (en) * 1980-08-20 1984-03-30 Yissum Res Dev Co Method for producing permeable polymeric membranes
US4721732A (en) * 1984-05-18 1988-01-26 Raychem Corporation Polymeric articles and methods of manufacture thereof
US5102917A (en) * 1990-09-14 1992-04-07 Cpc Engineering Corporation Porous polysulfone media suitable for filtration
JP3940546B2 (ja) * 1999-06-07 2007-07-04 株式会社東芝 パターン形成方法およびパターン形成材料
JP4344164B2 (ja) * 2003-04-18 2009-10-14 株式会社サタケ 圧電式エアバルブおよび複合圧電式エアバルブ
JP5136999B2 (ja) * 2005-11-18 2013-02-06 国立大学法人京都大学 パターン基板の製造方法、パターン転写体、磁気記録用パターン媒体、及び高分子薄膜
WO2013028308A1 (en) 2011-08-22 2013-02-28 Dow Global Technologies Llc Composite membrane formed from polymer blend including self-assembling block copolymers
CN104159657B (zh) 2012-02-21 2017-05-10 陶氏环球技术有限责任公司 复合膜

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378507A (en) * 1961-12-20 1968-04-16 Gen Electric Producing microporous polymers
US3171820A (en) * 1964-02-17 1965-03-02 Scott Paper Co Reticulated polyurethane foams and process for their production
DE2316697A1 (de) * 1972-04-07 1973-10-11 Leer Koninklijke Emballage Durch einwirken von ultravioletter bestrahlung photozersetzbare polymersubstanz

Also Published As

Publication number Publication date
JPS51139861A (en) 1976-12-02
US4096099A (en) 1978-06-20
JPS5311988B2 (OSRAM) 1978-04-26
GB1541042A (en) 1979-02-21
FR2312529A1 (fr) 1976-12-24
FR2312529B1 (OSRAM) 1979-07-13
DE2618981A1 (de) 1976-12-16

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