DE2861072D1 - Process for the preparation of a microporous membrane to be used in filtration plants - Google Patents

Process for the preparation of a microporous membrane to be used in filtration plants

Info

Publication number
DE2861072D1
DE2861072D1 DE7878810003T DE2861072T DE2861072D1 DE 2861072 D1 DE2861072 D1 DE 2861072D1 DE 7878810003 T DE7878810003 T DE 7878810003T DE 2861072 T DE2861072 T DE 2861072T DE 2861072 D1 DE2861072 D1 DE 2861072D1
Authority
DE
Germany
Prior art keywords
preparation
microporous membrane
filtration plants
plants
filtration
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.)
Expired
Application number
DE7878810003T
Other languages
English (en)
Inventor
Ludwig Proelss
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.)
Kilcher-Chemie AG
Original Assignee
Kilcher-Chemie AG
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 Kilcher-Chemie AG filed Critical Kilcher-Chemie AG
Application granted granted Critical
Publication of DE2861072D1 publication Critical patent/DE2861072D1/de
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE7878810003T 1977-07-15 1978-06-20 Process for the preparation of a microporous membrane to be used in filtration plants Expired DE2861072D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH876577A CH625966A5 (de) 1977-07-15 1977-07-15

Publications (1)

Publication Number Publication Date
DE2861072D1 true DE2861072D1 (en) 1981-12-03

Family

ID=4344475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7878810003T Expired DE2861072D1 (en) 1977-07-15 1978-06-20 Process for the preparation of a microporous membrane to be used in filtration plants

Country Status (16)

Country Link
US (1) US4177228A (de)
EP (1) EP0000687B1 (de)
JP (1) JPS5420970A (de)
AU (1) AU3754678A (de)
CA (1) CA1107922A (de)
CH (1) CH625966A5 (de)
DE (1) DE2861072D1 (de)
DK (1) DK293578A (de)
ES (1) ES471714A1 (de)
FI (1) FI782208A (de)
GR (1) GR64587B (de)
IL (1) IL55011A (de)
IT (1) IT1097184B (de)
NO (1) NO782448L (de)
PT (1) PT68212A (de)
ZA (1) ZA783619B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445030A1 (fr) * 1978-12-22 1980-07-18 Dol Honore Membrane semi-permeable, son procede de preparation et son application aux piles et accumulateurs
GB8609250D0 (en) * 1986-04-16 1986-05-21 Alcan Int Ltd Anodic oxide membranes
CA1314667C (en) * 1986-05-30 1993-03-23 Hajime Itoh Process for producing porous membranes
DE3629805C2 (de) * 1986-09-02 1996-03-21 Reinhard Dr Ing Bott Verfahren zum Bilden und Entfeuchten eines aus Feststoffpartikeln aufgebauten porösen Filterkuchens und Vorrichtung zur Durchführung des Verfahrens
US5022990A (en) * 1989-01-12 1991-06-11 Asahi Kasei Kogyo Kabushiki Kaisha Polyvinylidene fluoride porous membrane and a method for producing the same
US5770076A (en) * 1994-03-07 1998-06-23 The Regents Of The University Of California Micromachined capsules having porous membranes and bulk supports
US5651900A (en) * 1994-03-07 1997-07-29 The Regents Of The University Of California Microfabricated particle filter
US5798042A (en) * 1994-03-07 1998-08-25 Regents Of The University Of California Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
US5985328A (en) * 1994-03-07 1999-11-16 Regents Of The University Of California Micromachined porous membranes with bulk support
US5985164A (en) * 1994-03-07 1999-11-16 Regents Of The University Of California Method for forming a filter
FR2770150B1 (fr) 1997-10-29 1999-11-26 Commissariat Energie Atomique Membranes creuses a tubes capillaires, modules de traitement de fluide les utilisant et leurs procedes de fabrication
US6255359B1 (en) 1997-12-23 2001-07-03 Board Of Regents Of The University Of Texas System Permeable compositions and methods for their preparation
US6187329B1 (en) 1997-12-23 2001-02-13 Board Of Regents Of The University Of Texas System Variable permeability bone implants, methods for their preparation and use
US6299773B1 (en) * 1998-06-22 2001-10-09 Asahi Kasei Kogyo Kabushiki Kaisha Porous polyvinylidene fluoride resin film and process for producing the same
US6214746B1 (en) * 1999-05-07 2001-04-10 Honeywell International Inc. Nanoporous material fabricated using a dissolvable reagent
US6383395B1 (en) 2000-01-04 2002-05-07 Luxfer Group Limited Water treatment method and apparatus
JP2001298791A (ja) * 2000-04-13 2001-10-26 Sony Corp スピーカ及びその製造方法
PL1687133T3 (pl) * 2003-11-04 2011-05-31 Porex Corp Porowate materiały kompozytowe oraz sposoby ich wytwarzania i zastosowania
PL1926547T3 (pl) * 2006-05-09 2010-03-31 Porex Corp Porowate materiały kompozytowe na membrany i ich zastosowanie
US7669719B2 (en) * 2006-07-05 2010-03-02 General Electric Company Membrane structure and method of making
US8763700B2 (en) 2011-09-02 2014-07-01 Robert Ray McDaniel Dual function proppants
US9290690B2 (en) 2011-05-03 2016-03-22 Preferred Technology, Llc Coated and cured proppants
US9725645B2 (en) 2011-05-03 2017-08-08 Preferred Technology, Llc Proppant with composite coating
US9132389B2 (en) * 2011-08-08 2015-09-15 Colorado State University Research Foundation Magnetically responsive membranes
US9562187B2 (en) 2012-01-23 2017-02-07 Preferred Technology, Llc Manufacture of polymer coated proppants
CN103801198B (zh) * 2012-11-10 2017-04-26 王梦川 分离液体中不同组分的设备
US9518214B2 (en) 2013-03-15 2016-12-13 Preferred Technology, Llc Proppant with polyurea-type coating
US9444030B2 (en) * 2013-05-10 2016-09-13 Wisconsin Alumni Research Foundation Nanoporous piezoelectric polymer films for mechanical energy harvesting
US10100247B2 (en) 2013-05-17 2018-10-16 Preferred Technology, Llc Proppant with enhanced interparticle bonding
US9764292B2 (en) 2014-02-28 2017-09-19 Pall Corporation Porous polymeric membrane with high void volume
US9776142B2 (en) * 2014-02-28 2017-10-03 Pall Corporation Porous polymeric membrane with high void volume
US9561473B2 (en) * 2014-02-28 2017-02-07 Pall Corporation Charged hollow fiber membrane having hexagonal voids
US9737860B2 (en) * 2014-02-28 2017-08-22 Pall Corporation Hollow fiber membrane having hexagonal voids
US9446355B2 (en) 2014-02-28 2016-09-20 Pall Corporation Porous polymeric membrane with high void volume
US9610548B2 (en) * 2014-02-28 2017-04-04 Pall Corporation Composite porous polymeric membrane with high void volume
US9302228B2 (en) 2014-02-28 2016-04-05 Pall Corporation Charged porous polymeric membrane with high void volume
US20150246320A1 (en) * 2014-02-28 2015-09-03 Pall Corporation Porous polymeric membrane with high void volume
US9790422B2 (en) 2014-04-30 2017-10-17 Preferred Technology, Llc Proppant mixtures
US9862881B2 (en) 2015-05-13 2018-01-09 Preferred Technology, Llc Hydrophobic coating of particulates for enhanced well productivity
AR104606A1 (es) 2015-05-13 2017-08-02 Preferred Tech Llc Partícula recubierta
US10629800B2 (en) 2016-08-05 2020-04-21 Wisconsin Alumni Research Foundation Flexible compact nanogenerators based on mechanoradical-forming porous polymer films
US11208591B2 (en) 2016-11-16 2021-12-28 Preferred Technology, Llc Hydrophobic coating of particulates for enhanced well productivity
US10696896B2 (en) 2016-11-28 2020-06-30 Prefferred Technology, Llc Durable coatings and uses thereof
CN108261929B (zh) * 2016-12-29 2021-04-02 湖南尔康明胶有限公司 一种明胶薄膜的制备方法
CN109876677A (zh) * 2019-04-16 2019-06-14 济宁安瑞生物科技有限公司 一种香兰素耐溶剂复合纳滤膜及其制备方法和用途
CN115105975B (zh) * 2022-04-28 2024-07-23 西安建筑科技大学 聚电解质夹心磁响应式聚哌嗪酰胺复合纳滤膜及制备方法
JP2024030266A (ja) * 2022-08-24 2024-03-07 東京応化工業株式会社 多孔質膜
CN115178105A (zh) * 2022-08-25 2022-10-14 中国矿业大学 一种生物驻极体在聚乳酸纳米纤维表面均分布的长效过滤膜及其制备方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467214A (en) * 1944-10-07 1949-04-12 Dayton Rubber Company Spinning cot
US2474201A (en) * 1945-07-04 1949-06-21 American Felt Co Method of making microporous sheet material
US2584441A (en) * 1946-05-03 1952-02-05 Rca Corp Viewing screen
BE521528A (de) * 1952-07-17 1900-01-01
CH314298A (de) * 1953-04-04 1956-06-15 Koetitzer Ledertuch Und Wachst Verfahren zur Herstellung eines wildlederartigen Kunstleders
US2840741A (en) * 1954-11-01 1958-06-24 Westinghouse Electric Corp Electroluminescent cell
US2842799A (en) * 1955-03-03 1958-07-15 Politzer Alfred Method of producing artificial sponges
US2887601A (en) * 1956-08-01 1959-05-19 Itt Polarized electroluminescent phosphors and dielectrics
US3073732A (en) * 1959-03-23 1963-01-15 U S Plastic And Chemical Corp Plastic articles and method of producing same
US3220960A (en) * 1960-12-21 1965-11-30 Wichterle Otto Cross-linked hydrophilic polymers and articles made therefrom
US3507938A (en) * 1963-04-04 1970-04-21 Heinz Hundsdiecker Method for producing shaped articles of hardened synthetic resin having a pigment pattern incorporated therein
FR1515826A (fr) * 1963-08-07 1968-03-08 Grace W R & Co Séparateur pour batterie et procédé pour sa fabrication
BE656239A (de) * 1963-11-25
US3281511A (en) * 1964-05-15 1966-10-25 Gen Plastics Corp Method of preparing microporous tetrafluoroethylene resin sheets
US3524768A (en) * 1964-05-29 1970-08-18 Hitachi Chemical Co Ltd Method of treating plastic film for electric insulation
GB1113349A (en) * 1966-08-03 1968-05-15 Grace W R & Co Microporous polyvinyl chloride sheet material
US3642668A (en) * 1969-01-03 1972-02-15 Polaroid Corp Microporous vinylidene fluoride polymer and process of making same
GB1331775A (en) * 1970-07-09 1973-09-26 Ici Ltd Porous tetrafluoroethylene polymer tape
US3700380A (en) * 1970-10-01 1972-10-24 Tecna Corp Surface or lining compatible with blood or other tissue
FR2138333B1 (de) * 1971-05-24 1974-03-08 Rhone Poulenc Sa
US3867299A (en) * 1971-08-11 1975-02-18 Bethlehem Steel Corp Method of making synthetic resin composites with magnetic fillers
JPS5147641B2 (de) * 1971-09-07 1976-12-16
US3836423A (en) * 1971-09-09 1974-09-17 Hooker Chemical Corp Method of introducing air permeability into a non-porous continuous film and resultant film
JPS5123482A (en) * 1974-08-22 1976-02-25 Asahi Chemical Ind Takomakuno seizohoho

Also Published As

Publication number Publication date
CH625966A5 (de) 1981-10-30
ES471714A1 (es) 1979-02-01
FI782208A (fi) 1979-01-16
PT68212A (de) 1978-07-01
EP0000687B1 (de) 1981-09-16
DK293578A (da) 1979-01-16
JPS5420970A (en) 1979-02-16
NO782448L (no) 1979-01-16
IL55011A (en) 1981-05-20
GR64587B (en) 1980-04-18
EP0000687A1 (de) 1979-02-07
IL55011A0 (en) 1978-08-31
CA1107922A (en) 1981-09-01
IT1097184B (it) 1985-08-26
IT7825737A0 (it) 1978-07-14
AU3754678A (en) 1980-01-03
ZA783619B (en) 1979-06-27
US4177228A (en) 1979-12-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee