FR2265812A1 - - Google Patents

Info

Publication number
FR2265812A1
FR2265812A1 FR7509859A FR7509859A FR2265812A1 FR 2265812 A1 FR2265812 A1 FR 2265812A1 FR 7509859 A FR7509859 A FR 7509859A FR 7509859 A FR7509859 A FR 7509859A FR 2265812 A1 FR2265812 A1 FR 2265812A1
Authority
FR
France
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.)
Granted
Application number
FR7509859A
Other versions
FR2265812B1 (fr
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2265812A1 publication Critical patent/FR2265812A1/fr
Application granted granted Critical
Publication of FR2265812B1 publication Critical patent/FR2265812B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • 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
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • B01D71/50—Polycarbonates
    • 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
    • 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
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7509859A 1974-04-01 1975-03-28 Expired FR2265812B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45697074A 1974-04-01 1974-04-01
US05/677,716 US4032309A (en) 1974-04-01 1976-04-16 Preparation of microporous polycarbonate resin membranes

Publications (2)

Publication Number Publication Date
FR2265812A1 true FR2265812A1 (fr) 1975-10-24
FR2265812B1 FR2265812B1 (fr) 1980-11-14

Family

ID=27038437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509859A Expired FR2265812B1 (fr) 1974-04-01 1975-03-28

Country Status (4)

Country Link
US (1) US4032309A (fr)
DE (1) DE2512837C2 (fr)
FR (1) FR2265812B1 (fr)
GB (1) GB1507921A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006578A2 (fr) * 1978-07-04 1980-01-09 Bayer Ag Procédé de préparation de masses à mouler de polycarbonates réticulés à l'aide de rayonnements énergétiques; les masses à mouler obtenues et leur utilisation comme membranes
EP0044958A1 (fr) * 1980-07-25 1982-02-03 Gambro Dialysatoren K.G. Membrane pour plasmaphorèse et procédé pour sa fabrication

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2248818C2 (de) * 1972-10-05 1981-10-15 Bayer Ag, 5090 Leverkusen Dünne porenfreie Polycarbonatfolien und -filme
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4174374A (en) * 1977-06-22 1979-11-13 General Electric Company Maintaining the separation efficiency of immobilized liquid membranes in gas separation methods and apparatus
US4119408A (en) * 1977-06-22 1978-10-10 General Electric Company Apparatus for maintaining the separation efficiency of immobilized liquid membranes in gas separation
US4257257A (en) * 1978-03-13 1981-03-24 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Method and apparatus for measuring concentrations of gaseous or volatile substances in liquids
DE2932761A1 (de) * 1979-08-13 1981-02-26 Akzo Gmbh Polycarbonat-polyaether-copolymermembran
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US5127925A (en) * 1982-12-13 1992-07-07 Allied-Signal Inc. Separation of gases by means of mixed matrix membranes
US4715960A (en) * 1983-03-10 1987-12-29 Exxon Research And Engineering Company Method for the modification of polycarbonate membranes, the membranes produced by such method and their use
US4579710A (en) * 1983-12-12 1986-04-01 Mobil Oil Corporation Polymer foam, thermoformed shapes thereof and methods of forming same
US4579874A (en) * 1983-12-12 1986-04-01 Mobil Oil Corporation Polymer foam, thermoformed shapes thereof and methods of forming same
US4579873A (en) * 1983-12-12 1986-04-01 Mobil Oil Corporation Polymer foam, thermoformed shapes thereof and methods of forming same
US4665105A (en) * 1983-12-12 1987-05-12 Mobil Oil Corporation Polymer foam, thermoformed shapes thereof and methods of forming same
US4579878A (en) * 1983-12-12 1986-04-01 Mobil Oil Company Polymer foam, thermoformed shaped thereof and methods of forming same
US4818254A (en) * 1986-04-14 1989-04-04 The Dow Chemical Company Semi-permeable membranes consisting predominantly of polycarbonates derived from tetrahalobisphenols
US4772392A (en) * 1987-11-06 1988-09-20 The Dow Chemical Company Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates
US4838904A (en) * 1987-12-07 1989-06-13 The Dow Chemical Company Semi-permeable membranes with an internal discriminating region
US4962131A (en) * 1987-11-06 1990-10-09 The Dow Chemical Company Composition useful in process for preparing powadir membranes from tetrahalobisphenol a polycarbonates
US4874401A (en) * 1987-11-20 1989-10-17 The Dow Chemical Company Gas separation membranes from bisphenol AF polycarbonates and polyestercarbonates
US4843733A (en) * 1988-05-10 1989-07-04 The Dow Chemical Company Process for drying water-wet polycarbonate membranes
US4851014A (en) * 1988-07-01 1989-07-25 The Dow Chemical Company Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol F
US4975228A (en) * 1988-07-29 1990-12-04 The Dow Chemical Company Process for preparing membranes from tetrahalobisphenol polycarbonates
US4900334A (en) * 1988-11-09 1990-02-13 The Dow Chemical Company Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties
US5000763A (en) * 1989-06-14 1991-03-19 The Dow Chemical Company Process for separating hydrogen from gas mixtures using a semi-permeable membrane consisting predominantly of polycarbonates derived from tetrahalobisphenols
US4959082A (en) * 1989-07-20 1990-09-25 The Dow Chemical Company Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
US5141530A (en) * 1991-08-22 1992-08-25 The Dow Chemical Company Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same
US5163977A (en) * 1991-08-22 1992-11-17 The Dow Chemical Company Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same
US5681568A (en) * 1994-08-19 1997-10-28 Cambridge Neuroscience, Inc. Device for delivery of substances and methods of use thereof
US6339109B1 (en) 1999-08-10 2002-01-15 General Electric Company Method of pelletization of polymer
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
DE10224225B4 (de) * 2002-05-31 2006-05-04 Gkss-Forschungszentrum Geesthacht Gmbh Nano- und Ultrafiltrationsmembran sowie Verfahren zu deren Herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256675A (en) * 1962-11-30 1966-06-21 Gen Electric Method and apparatus for gas separation by thin films or membranes
US3526588A (en) * 1967-09-21 1970-09-01 Amicon Corp Macromolecular fractionation process
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
US3767737A (en) * 1971-09-07 1973-10-23 Gen Electric Method for production casting of ultrathin polymer membranes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006578A2 (fr) * 1978-07-04 1980-01-09 Bayer Ag Procédé de préparation de masses à mouler de polycarbonates réticulés à l'aide de rayonnements énergétiques; les masses à mouler obtenues et leur utilisation comme membranes
EP0006578A3 (fr) * 1978-07-04 1980-01-23 Bayer Ag Procédé de préparation de masses à mouler de polycarbonates réticulés à l'aide de rayonnements énergétiques; les masses à mouler obtenues et leur utilisation comme membranes
EP0044958A1 (fr) * 1980-07-25 1982-02-03 Gambro Dialysatoren K.G. Membrane pour plasmaphorèse et procédé pour sa fabrication

Also Published As

Publication number Publication date
US4032309A (en) 1977-06-28
DE2512837A1 (de) 1975-10-09
FR2265812B1 (fr) 1980-11-14
DE2512837C2 (de) 1984-11-22
GB1507921A (en) 1978-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse