DE3856346D1 - Herstellung poröser aramid-membranen - Google Patents

Herstellung poröser aramid-membranen

Info

Publication number
DE3856346D1
DE3856346D1 DE3856346T DE3856346T DE3856346D1 DE 3856346 D1 DE3856346 D1 DE 3856346D1 DE 3856346 T DE3856346 T DE 3856346T DE 3856346 T DE3856346 T DE 3856346T DE 3856346 D1 DE3856346 D1 DE 3856346D1
Authority
DE
Germany
Prior art keywords
resin
membranes
cast
manufacture
aramid
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 - Lifetime
Application number
DE3856346T
Other languages
English (en)
Inventor
Wolfgang Wrasidlo
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.)
Pall Filtration and Separations Group Inc
Original Assignee
USF Filtration and Separations Group Inc
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 US07/046,387 external-priority patent/US4900443A/en
Application filed by USF Filtration and Separations Group Inc filed Critical USF Filtration and Separations Group Inc
Application granted granted Critical
Publication of DE3856346D1 publication Critical patent/DE3856346D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • 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
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/16—Swelling agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/18—Pore-control agents or pore formers
    • 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
    • B01D2325/0283—Pore size
    • B01D2325/02834—Pore size more than 0.1 and up to 1 µm

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (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)
DE3856346T 1987-05-06 1988-01-27 Herstellung poröser aramid-membranen Expired - Lifetime DE3856346D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/046,387 US4900443A (en) 1980-03-14 1987-05-06 Porous aramid membranes and emulsions useful for the casting thereof
PCT/US1988/000228 WO1988008738A1 (en) 1987-05-06 1988-01-27 Preparation of porous aramide membranes

Publications (1)

Publication Number Publication Date
DE3856346D1 true DE3856346D1 (de) 1999-08-05

Family

ID=21943181

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3856346T Expired - Lifetime DE3856346D1 (de) 1987-05-06 1988-01-27 Herstellung poröser aramid-membranen

Country Status (7)

Country Link
EP (1) EP0363364B1 (de)
JP (1) JPH03500734A (de)
KR (1) KR890701184A (de)
AT (1) ATE181679T1 (de)
AU (1) AU611424B2 (de)
DE (1) DE3856346D1 (de)
WO (1) WO1988008738A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0539870B1 (de) * 1991-10-26 1996-08-28 Hoechst Aktiengesellschaft Hydrophile, asymmetrische, chemikalienbeständige Polyaramidmembran
US5562826A (en) * 1991-10-26 1996-10-08 Hoechst Aktiengesellschaft Semipermeable, porous, asymmetric polyether amide membranes
DE59208013D1 (de) * 1991-10-26 1997-03-20 Hoechst Ag Semipermeable, poröse, asymmetrische Polyetheramidmembranen
DE102010001482A1 (de) 2010-02-02 2011-08-04 Wacker Chemie AG, 81737 Verfahren zur Herstellung poröser Siliconformkörper
DE102012215881A1 (de) 2012-09-07 2014-03-13 Wacker Chemie Ag Poröse Membranen aus vernetzbaren Siliconzusammensetzungen
DE102012219544A1 (de) 2012-10-25 2014-04-30 Wacker Chemie Ag Poröse Membranen aus vernetzten Siliconzusammensetzungen
DE102013203127A1 (de) * 2013-02-26 2014-08-28 Wacker Chemie Ag Poröse Membranen aus vernetztem thermoplastischem Siliconelastomer
DE102013213321A1 (de) 2013-07-08 2015-01-08 Wacker Chemie Ag Symmetrisch poröse Membranen aus aldehydvernetztem thermoplastischen Siliconelastomer
KR102193369B1 (ko) * 2013-12-16 2020-12-22 도레이 카부시키가이샤 반투막의 제조 방법 및 반투막

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817386A (en) * 1972-05-03 1974-06-18 Westinghouse Electric Corp Reverse osmosis membranes from pyrrone polymer precursors
JPS5223346B2 (de) * 1972-08-30 1977-06-23
US4629563B1 (en) * 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
DE3220376A1 (de) * 1982-05-29 1983-12-01 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung
DE3342823A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid

Also Published As

Publication number Publication date
AU611424B2 (en) 1991-06-13
ATE181679T1 (de) 1999-07-15
EP0363364B1 (de) 1999-06-30
KR890701184A (ko) 1989-12-19
WO1988008738A1 (en) 1988-11-17
JPH03500734A (ja) 1991-02-21
AU1340388A (en) 1988-12-06
EP0363364A1 (de) 1990-04-18

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Legal Events

Date Code Title Description
8332 No legal effect for de