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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (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)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945927A (en) * 1972-06-05 1976-03-23 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Ion-exchange group bearing composite membranes
US4061846A (en) * 1974-03-13 1977-12-06 The Dow Chemical Company Flexible water swellable crosslinked polyacrylate film
US4057521A (en) * 1974-08-05 1977-11-08 The Dow Chemical Company Absorbent articles made from carboxylic synthetic polyelectrolytes having copolymerized N-substituted acrylamide crosslinker
US4020142A (en) * 1975-08-21 1977-04-26 Celanese Corporation Chemical modification of polybenzimidazole semipermeable
US4033817A (en) * 1975-11-07 1977-07-05 Gregor Harry P Pressure-driven enzyme-coupled membranes
US4163714A (en) * 1975-11-07 1979-08-07 Gregor Harry P Separating substances with pressure-driven affinity sorption membranes
US4033822A (en) * 1975-11-07 1977-07-05 Gregor Harry P Enzyme-coupled ultrafiltration membranes
FR2331602A1 (fr) * 1975-11-14 1977-06-10 Rhone Poulenc Ind Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse
US4226673A (en) * 1976-03-15 1980-10-07 Champion International Corporation Color removal from paper and pulp mill aqueous effluents
NZ184767A (en) * 1976-08-05 1980-03-05 Tecneco Spa Assymetric membranes from fluorinated polymeric materials
US4116889A (en) * 1976-08-19 1978-09-26 Allied Chemical Corporation Bipolar membranes and method of making same
US4125462A (en) * 1977-08-30 1978-11-14 Rohm And Haas Company Coated membranes
DE2964867D1 (en) * 1978-12-06 1983-03-24 Abcor Inc Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto
US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4473474A (en) * 1980-10-27 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
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
US4702840A (en) * 1982-02-05 1987-10-27 Pall Corporation Charge modified polyamide membrane
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
US4888115A (en) * 1983-12-29 1989-12-19 Cuno, Incorporated Cross-flow filtration
EP0167573A4 (en) * 1983-12-29 1988-05-02 Amf Inc CAVE TUBE MODIFIED BY LOAD.
US4705753A (en) * 1984-06-08 1987-11-10 Gregor Harry P Biologically active acrylonitrile-based copolymeric membrane
GB2174619B (en) * 1985-05-07 1989-05-04 Us Energy Pervaporation separation of ethanol-water mixtures using polyacrylic acid composite membranes
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
FR2600265B1 (fr) * 1986-06-20 1991-09-06 Rhone Poulenc Rech Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene
JPS6354903A (ja) * 1986-08-26 1988-03-09 Agency Of Ind Science & Technol パ−ベ−パレ−シヨン用分離膜
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
US5405509A (en) * 1989-05-08 1995-04-11 Ionex Remediation of a bulk source by electropotential ion transport using a host receptor matrix
US5489370A (en) * 1989-05-08 1996-02-06 Ionex Removal of ions from a bulk source by electropotential ion transport using a host receptor matrix
GB9011378D0 (en) * 1990-05-22 1990-07-11 Bio Isolates Ltd Cellulosic sponge adsorbent medium
US5711884A (en) * 1990-08-22 1998-01-27 University Of Pittsburgh Of The Commonwealth System Of Higher Education Method of filtering submicron particles with gel lattice membrane filter
US5690996A (en) * 1992-11-02 1997-11-25 Sepragen Cross-linked cellulose sponge
US5482632A (en) * 1994-04-28 1996-01-09 Ionex Corporation Extracting a target ion from an aqueous solution by ion exchange and electropotential ion transport
AUPM959994A0 (en) * 1994-11-22 1994-12-15 Ici Australia Operations Proprietary Limited Water treatment process
EP1038570B1 (en) * 1996-07-08 2006-05-10 Pall Corporation Positively charged polymer membranes
WO1998001208A1 (en) 1996-07-08 1998-01-15 Memtec America Corporation Cationically charge-modified membranes
US6060410A (en) * 1998-04-22 2000-05-09 Gillberg-Laforce; Gunilla Elsa Coating of a hydrophobic polymer substrate with a nonstoichiometric polyelectrolyte complex
WO2001070041A1 (en) * 2000-03-23 2001-09-27 Campina Melkunie B.V. Method for preparing a roller dried protein preparation
AUPR987802A0 (en) 2002-01-08 2002-01-31 Commonwealth Scientific And Industrial Research Organisation Complexing resins and method for preparation thereof
DE10209419A1 (de) * 2002-03-05 2003-09-25 Celanese Ventures Gmbh Verfahren zur Herstellung einer Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen
DK1483316T3 (da) * 2002-03-06 2007-12-27 Pemeas Gmbh Protonledende elektrolytmembran med reduceret methanolpermeabilitet og anvendelse deraf til brændselsceller
JP2005526875A (ja) * 2002-03-06 2005-09-08 ペメアス ゲゼルシャフト ミット ベシュレンクテル ハフツング ビニル含有スルホン酸を含む混合物、ポリビニルスルホン酸を含む高分子電解質膜、および燃料電池におけるその使用
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
DE10213540A1 (de) * 2002-03-06 2004-02-19 Celanese Ventures Gmbh Lösung aus Vinylphosphonsäure, Verfahren zur Herstellung einer Polymerelektrolytmembran aus Polyvinylphosphaonsäure und deren Anwendung in Brennstoffzellen
KR20040104621A (ko) * 2002-04-25 2004-12-10 페메아스 게엠베하 다층 전해질막
DE10220818A1 (de) * 2002-05-10 2003-11-20 Celanese Ventures Gmbh Verfahren zur Herstellung einer gepfropften Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen
DE10220817A1 (de) * 2002-05-10 2003-11-27 Celanese Ventures Gmbh Verfahren zur Herstellung einer gepfropften Polymerelektrolytmembran und deren Anwendung in Brennstoffzellen
DE10230477A1 (de) * 2002-07-06 2004-01-15 Celanese Ventures Gmbh Funktionalisierte Polyazole, Verfahren zu ihrer Herstellung sowie ihre Verwendung
CA2494530A1 (en) * 2002-08-02 2004-02-19 Pemeas Gmbh Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells
DE10239701A1 (de) * 2002-08-29 2004-03-11 Celanese Ventures Gmbh Polymerfolie auf Basis von Polyazolen und deren Verwendung
DE10246373A1 (de) * 2002-10-04 2004-04-15 Celanese Ventures Gmbh Protonenleitende Polymermembran umfassend Sulfonsäuregruppen enthaltende Polyazole und deren Anwendung in Brennstoffzellen
DE10246459A1 (de) * 2002-10-04 2004-04-15 Celanese Ventures Gmbh Protonenleitende Polymermembran umfassend Phosphonsäuregruppen 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
WO2005011039A2 (de) 2003-07-27 2005-02-03 Pemeas Gmbh Protonenleitende membran und deren verwendung
US7291272B2 (en) * 2004-05-07 2007-11-06 Orica Australia Pty Ltd. Inorganic contaminant removal from water
AU2005266851B2 (en) 2004-07-28 2011-06-02 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
US3808305A (en) 1974-04-30
FR2147269A1 (it) 1973-03-09
CA980075A (en) 1975-12-23
DE2236663C2 (de) 1983-05-26
FR2147269B1 (it) 1976-01-16
DE2236663A1 (de) 1973-02-08
GB1397721A (en) 1975-06-18

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