GB1473857A - Membranes - Google Patents

Membranes

Info

Publication number
GB1473857A
GB1473857A GB5227074A GB5227074A GB1473857A GB 1473857 A GB1473857 A GB 1473857A GB 5227074 A GB5227074 A GB 5227074A GB 5227074 A GB5227074 A GB 5227074A GB 1473857 A GB1473857 A GB 1473857A
Authority
GB
United Kingdom
Prior art keywords
ultrafiltration membrane
polymer
anisotropic
membrane
membranes
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
GB5227074A
Other languages
English (en)
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Publication of GB1473857A publication Critical patent/GB1473857A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • 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
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80—Block polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2340/00—Filter material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Secondary Cells (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
GB5227074A 1973-12-04 1974-12-03 Membranes Expired GB1473857A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7343242A FR2252862B1 (enrdf_load_stackoverflow) 1973-12-04 1973-12-04
FR7426738A FR2280684A1 (fr) 1973-12-04 1974-08-01 Procede de preparation de polyelectrolytes

Publications (1)

Publication Number Publication Date
GB1473857A true GB1473857A (en) 1977-05-18

Family

ID=26218065

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5227074A Expired GB1473857A (en) 1973-12-04 1974-12-03 Membranes
GB5226574A Expired GB1463175A (en) 1973-12-04 1974-12-03 Process for preparing complex polyelectrolytes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5226574A Expired GB1463175A (en) 1973-12-04 1974-12-03 Process for preparing complex polyelectrolytes

Country Status (14)

Country Link
JP (1) JPS50105735A (enrdf_load_stackoverflow)
BE (2) BE822901A (enrdf_load_stackoverflow)
BR (1) BR7410097A (enrdf_load_stackoverflow)
CH (1) CH589678A5 (enrdf_load_stackoverflow)
DE (2) DE2457355C3 (enrdf_load_stackoverflow)
DK (1) DK627974A (enrdf_load_stackoverflow)
ES (1) ES432558A1 (enrdf_load_stackoverflow)
FR (2) FR2252862B1 (enrdf_load_stackoverflow)
GB (2) GB1473857A (enrdf_load_stackoverflow)
IL (1) IL46177A (enrdf_load_stackoverflow)
IT (1) IT1026766B (enrdf_load_stackoverflow)
LU (2) LU71413A1 (enrdf_load_stackoverflow)
NL (2) NL7415424A (enrdf_load_stackoverflow)
SU (1) SU575034A3 (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084768A1 (en) * 1982-01-15 1983-08-03 Uop Inc. Continuous production of polymethylpentene membranes
EP0175668A1 (en) * 1984-08-13 1986-03-26 Monsanto Company Composite fluid separation membranes
US4717395A (en) * 1986-08-07 1988-01-05 The Dow Chemical Company Gas separations using membranes comprising sulphonated polyether sulphone
EP0286091A3 (en) * 1987-04-08 1990-01-31 Union Carbide Corporation Composite membranes for enhanced fluid separation
EP0359834A1 (en) * 1987-07-10 1990-03-28 Praxair Technology, Inc. Manufacture and use of composite membranes
US4990252A (en) * 1987-02-04 1991-02-05 Hydanautics Stable membranes from sulfonated polyarylethers
US5980746A (en) * 1996-11-14 1999-11-09 Pall Corporation Membrane and methods of preparing and using same
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
US11872532B2 (en) 2018-09-05 2024-01-16 Campbell Membrane Technologies, Inc. Ultrafiltration membranes for dairy protein separation

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286851A1 (fr) * 1974-10-02 1976-04-30 Inst Nat Rech Chimique Membranes en polyacrylamide reticule ou en polyacrylamide substitue reticule, leur fabrication et leur application
US4005012A (en) * 1975-09-22 1977-01-25 The United States Of America As Represented By The Secretary Of The Interior Semipermeable membranes and the method for the preparation thereof
LU76955A1 (enrdf_load_stackoverflow) * 1977-03-15 1978-10-18
US4125462A (en) * 1977-08-30 1978-11-14 Rohm And Haas Company Coated membranes
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
DE3170223D1 (en) * 1981-01-13 1985-06-05 Teijin Ltd Ion-permeable composite membrane and its use in selective separation
LU83350A1 (fr) * 1981-05-08 1983-03-24 Oreal Composition destinee au traitement des fibres keratiniques a base de polymere cationique et de polymere anionique a groupements vinylsulfoniques et procede de traitement la mettant en oeuvre
CH656626A5 (fr) * 1982-02-05 1986-07-15 Pall Corp Membrane en polyamide, presentant des proprietes de surface controlees, son utilisation et son procede de preparation.
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US4427419A (en) * 1982-03-12 1984-01-24 The Standard Oil Company Semipermeable membranes prepared from polymers containing pendent sulfone groups
US4539373A (en) * 1982-07-12 1985-09-03 The Dow Chemical Company Thermoplastic polyelectrolyte complexes
JP2694341B2 (ja) * 1987-02-04 1997-12-24 ハイドロノーティクス 改良された耐酸化性膜およびその製造方法
JPH01215348A (ja) * 1988-02-25 1989-08-29 Asahi Glass Co Ltd 陽イオン交換体
DE4428641A1 (de) * 1994-08-12 1996-02-15 Basf Ag Mesomorphe Komplexe aus Polyelektrolyten und Tensiden, Verfahren zu ihrer Herstellung sowie Filme, Folien, Fasern, Formkörper und Beschichtungen hieraus
DE19841404C2 (de) * 1998-09-10 2000-12-21 Basf Coatings Ag Feststoffe auf der Basis mesomorpher Polyelektrolytkomplexe, Verfahren zu ihrer Herstellung und ihre Verwendung
EP2313184B1 (en) * 2008-08-05 2012-10-10 Polymers CRC Limited Functionalized thin film polyamide membranes
US10535854B2 (en) 2015-08-20 2020-01-14 Zeon Corporation Binder composition for non-aqueous secondary battery, composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery
WO2024219965A1 (en) 2023-04-17 2024-10-24 Stichting Wageningen Research Polyelectrolyte complex

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1493044A (fr) * 1966-07-13 1967-08-25 Nouveaux copolymères non caoutchouteux
BE785741A (fr) * 1971-07-02 1973-01-02 Rhone Poulenc Sa Polyelectrolytes

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084768A1 (en) * 1982-01-15 1983-08-03 Uop Inc. Continuous production of polymethylpentene membranes
EP0175668A1 (en) * 1984-08-13 1986-03-26 Monsanto Company Composite fluid separation membranes
US4717395A (en) * 1986-08-07 1988-01-05 The Dow Chemical Company Gas separations using membranes comprising sulphonated polyether sulphone
US4990252A (en) * 1987-02-04 1991-02-05 Hydanautics Stable membranes from sulfonated polyarylethers
EP0286091A3 (en) * 1987-04-08 1990-01-31 Union Carbide Corporation Composite membranes for enhanced fluid separation
EP0359834A1 (en) * 1987-07-10 1990-03-28 Praxair Technology, Inc. Manufacture and use of composite membranes
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
US5980746A (en) * 1996-11-14 1999-11-09 Pall Corporation Membrane and methods of preparing and using same
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
US11872532B2 (en) 2018-09-05 2024-01-16 Campbell Membrane Technologies, Inc. Ultrafiltration membranes for dairy protein separation

Also Published As

Publication number Publication date
LU71412A1 (enrdf_load_stackoverflow) 1975-08-20
DE2457355A1 (de) 1975-06-05
DE2457328A1 (de) 1975-06-05
IL46177A0 (en) 1975-03-13
SU575034A3 (ru) 1977-09-30
IL46177A (en) 1977-05-31
NL7415424A (nl) 1975-06-06
DE2457355C3 (de) 1980-04-03
CH589678A5 (enrdf_load_stackoverflow) 1977-07-15
GB1463175A (en) 1977-02-02
FR2280684A1 (fr) 1976-02-27
FR2252862A1 (enrdf_load_stackoverflow) 1975-06-27
BR7410097A (pt) 1976-06-08
LU71413A1 (enrdf_load_stackoverflow) 1975-08-20
BE822902A (fr) 1975-06-03
IT1026766B (it) 1978-10-20
DE2457355B2 (de) 1979-08-02
ES432558A1 (es) 1977-03-01
NL7415419A (nl) 1975-06-06
FR2280684B1 (enrdf_load_stackoverflow) 1977-03-18
BE822901A (fr) 1975-06-03
JPS50105735A (enrdf_load_stackoverflow) 1975-08-20
FR2252862B1 (enrdf_load_stackoverflow) 1978-10-27
DK627974A (enrdf_load_stackoverflow) 1975-07-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee