IT964647B - Membrane a carica fissa di inter polimeri reticolati - Google Patents

Membrane a carica fissa di inter polimeri reticolati

Info

Publication number
IT964647B
IT964647B IT69243/72A IT6924372A IT964647B IT 964647 B IT964647 B IT 964647B IT 69243/72 A IT69243/72 A IT 69243/72A IT 6924372 A IT6924372 A IT 6924372A IT 964647 B IT964647 B IT 964647B
Authority
IT
Italy
Prior art keywords
cross
linking agent
weight
polyelectrolyte
formaldehyde
Prior art date
Application number
IT69243/72A
Other languages
English (en)
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Application granted granted Critical
Publication of IT964647B publication Critical patent/IT964647B/it

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
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • B01D2323/30—Cross-linking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/18—Cross-linking a thermoplastic linear foam during molding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IT69243/72A 1971-07-27 1972-07-12 Membrane a carica fissa di inter polimeri reticolati IT964647B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00166606A US3808305A (en) 1971-07-27 1971-07-27 Crosslinked,interpolymer fixed-charge membranes

Publications (1)

Publication Number Publication Date
IT964647B true IT964647B (it) 1974-01-31

Family

ID=22603993

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69243/72A IT964647B (it) 1971-07-27 1972-07-12 Membrane a carica fissa di inter polimeri reticolati

Country Status (6)

Country Link
US (1) US3808305A (it)
CA (1) CA980075A (it)
DE (1) DE2236663C2 (it)
FR (1) FR2147269B1 (it)
GB (1) GB1397721A (it)
IT (1) IT964647B (it)

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US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
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US4377481A (en) * 1980-11-14 1983-03-22 Abcor, Inc. Blended, polymeric, matrix membrane and process of making and using same
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
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US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
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US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
US4705753A (en) * 1984-06-08 1987-11-10 Gregor Harry P Biologically active acrylonitrile-based copolymeric membrane
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US4705636A (en) * 1985-07-19 1987-11-10 The Dow Chemical Company Method of making a coating and a permselective membrane, ionic polymer therefor, and products thereof
US4980067A (en) * 1985-07-23 1990-12-25 Cuno, Inc. Polyionene-transformed microporous membrane
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US4964989A (en) * 1986-12-23 1990-10-23 Pall Corporation Membranes with low protein adsorbability
FR2614214B1 (fr) * 1987-04-23 1993-02-12 Commissariat Energie Atomique Membrane semi-permeable organominerale et son procede de fabrication.
US4874568A (en) * 1988-09-26 1989-10-17 The Dow Chemical Company Process of making a porous membrane
US4873037A (en) * 1988-10-05 1989-10-10 The Dow Chemical Company Method for preparing an asymmetric semi-permeable membrane
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DE10209419A1 (de) * 2002-03-05 2003-09-25 Celanese Ventures Gmbh Verfahren zur Herstellung einer Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen
EP1483316B1 (de) * 2002-03-06 2007-09-19 Pemeas GmbH PROTONENLEITENDE ELEKTROLYTMEMBRAN MIT GERINGER METHANOLDURCHLÄSSIGKEIT UND DEREN ANWENDUNG IN BRENNSTOFFZELLEN
CN1318484C (zh) * 2002-03-06 2007-05-30 佩密斯股份有限公司 包括含乙烯基的磺酸的混合物、含聚乙烯磺酸的聚合物电解质膜及其在燃料电池中的应用
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US20050118478A1 (en) * 2002-03-06 2005-06-02 Joachim Kiefer Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells
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DE10230477A1 (de) * 2002-07-06 2004-01-15 Celanese Ventures Gmbh Funktionalisierte Polyazole, Verfahren zu ihrer Herstellung sowie ihre Verwendung
EP1527494B1 (de) * 2002-08-02 2005-12-28 Pemeas GmbH Protonenleitende polymembran, welche sulfonsäuregruppen enthaltende polymere umfasst, und deren anwendung in brennstoffzellen
DE10239701A1 (de) * 2002-08-29 2004-03-11 Celanese Ventures Gmbh Polymerfolie auf Basis von Polyazolen und deren Verwendung
DE10246459A1 (de) * 2002-10-04 2004-04-15 Celanese Ventures Gmbh Protonenleitende Polymermembran umfassend Phosphonsäuregruppen enthaltende Polyazole und deren Anwendung in Brennstoffzellen
DE10246373A1 (de) * 2002-10-04 2004-04-15 Celanese Ventures Gmbh Protonenleitende Polymermembran umfassend Sulfonsäuregruppen enthaltende Polyazole und deren Anwendung in Brennstoffzellen
DE10313173A1 (de) * 2003-03-25 2004-10-07 Bayer Chemicals Ag Optischer Datenträger mit polymerem Netzwerk in der Informationsschicht
AU2003901583A0 (en) 2003-04-04 2003-05-01 Orica Australia Pty Ltd A process
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US7291272B2 (en) * 2004-05-07 2007-11-06 Orica Australia Pty Ltd. Inorganic contaminant removal from water
EP1776190B1 (en) 2004-07-28 2017-08-23 IXOM Operations Pty Ltd Plug-flow regeneration process
JP4868108B2 (ja) * 2004-10-18 2012-02-01 栗田工業株式会社 透過膜の阻止率向上剤、阻止率向上方法、透過膜及び水処理方法
US8936770B2 (en) * 2010-01-22 2015-01-20 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals
US20150190760A1 (en) * 2014-01-06 2015-07-09 Pall Corporation Membrane with plurality of charges
US11357318B2 (en) * 2019-09-16 2022-06-14 Process4, Inc. Folding work surface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686100A (en) * 1969-01-30 1972-08-22 Consiglio Nazionale Ricerche Anion-exchange resins and process for preparation thereof

Also Published As

Publication number Publication date
DE2236663A1 (de) 1973-02-08
FR2147269A1 (it) 1973-03-09
FR2147269B1 (it) 1976-01-16
US3808305A (en) 1974-04-30
DE2236663C2 (de) 1983-05-26
GB1397721A (en) 1975-06-18
CA980075A (en) 1975-12-23

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