FR1172527A - Membranes poreuses et procédé de fabrication de ces membranes - Google Patents

Membranes poreuses et procédé de fabrication de ces membranes

Info

Publication number
FR1172527A
FR1172527A FR1172527DA FR1172527A FR 1172527 A FR1172527 A FR 1172527A FR 1172527D A FR1172527D A FR 1172527DA FR 1172527 A FR1172527 A FR 1172527A
Authority
FR
France
Prior art keywords
coagulant
emulsion
fabric
corrosion
nickel
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
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of FR1172527A publication Critical patent/FR1172527A/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
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/10—Separation by diffusion
    • B01D59/12—Separation by diffusion by diffusion through barriers
    • B01D59/14—Construction of the barrier
    • 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
    • B01D67/0079—Manufacture of membranes comprising organic and inorganic components
    • B01D67/00791—Different components in separate layers
    • 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
    • B01D67/0079—Manufacture of membranes comprising organic and inorganic components
    • B01D67/00793—Dispersing a component, e.g. as particles or powder, in another component
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/16—Gas pressure systems operating with fluidisation of the materials
    • B65G53/18—Gas pressure systems operating with fluidisation of the materials through a porous wall
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Composite Materials (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
FR1172527D 1956-05-22 1956-05-22 Membranes poreuses et procédé de fabrication de ces membranes Expired FR1172527A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714914 1956-05-22

Publications (1)

Publication Number Publication Date
FR1172527A true FR1172527A (fr) 1959-02-11

Family

ID=37663299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172527D Expired FR1172527A (fr) 1956-05-22 1956-05-22 Membranes poreuses et procédé de fabrication de ces membranes

Country Status (8)

Country Link
US (1) US3010536A (fr)
BE (1) BE557676A (fr)
DE (1) DE1149689B (fr)
DK (1) DK97397C (fr)
FR (1) FR1172527A (fr)
GB (1) GB849837A (fr)
LU (1) LU35155A1 (fr)
NL (1) NL110572C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010343A (fr) * 1973-05-30 1975-02-03
EP0369466A2 (fr) * 1988-11-18 1990-05-23 Daikin Industries, Limited Procédé pour la préparation d'une pellicule poreuse de polytétrafluorure d'éthylène
CN110354554A (zh) * 2019-07-08 2019-10-22 武汉金牛经济发展有限公司 一种带聚四氟乙烯涂层的前置过滤器滤网的制作方法

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246449A (en) * 1959-06-09 1966-04-19 Union Carbide Corp Recovery of helium
US3246450A (en) * 1959-06-09 1966-04-19 Union Carbide Corp Recovery of hydrogen
GB961665A (en) * 1960-06-29 1964-06-24 Formica Ltd Improvements in or relating to the coating of glass fibrous materials with perfluorocarbon polymers
US3157481A (en) * 1961-12-11 1964-11-17 Abbott Lab Air filter assembly
US3307330A (en) * 1965-04-30 1967-03-07 Du Pont Diffusion process and apparatus
US3545931A (en) * 1968-08-28 1970-12-08 Monsanto Co Ammonia analysis system
US3706601A (en) * 1970-01-28 1972-12-19 Mc Donnell Douglas Corp Method of producing an electrode with a polymer binder by rolling
US3724175A (en) * 1971-08-05 1973-04-03 Gen Electric Composite membrane useful in noninvasive sensor for gases and vapors
US4012541A (en) * 1975-10-01 1977-03-15 Basf Wyandotte Corporation Method for wetting hydrophobic diaphragms for use in chlor-alkali cells
US4132594A (en) * 1976-06-28 1979-01-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Gas diffusion liquid storage bag and method of use for storing blood
US4227899A (en) * 1978-09-06 1980-10-14 Meny Allan H Absolute fluid filter
DE2938123A1 (de) * 1979-09-20 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Diaphragmen fuer elektrochemische zellen und deren herstellung
DE3332346A1 (de) * 1983-09-08 1985-04-04 Kernforschungsanlage Jülich GmbH, 5170 Jülich Wasserstoff-permeationswand, verfahren zur herstellung derselben und deren verwendung
DE3332345C2 (de) * 1983-09-08 1986-08-07 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Filtermaterial aus Metallgewebe
JPS6249922A (ja) * 1985-08-28 1987-03-04 Kurabo Ind Ltd 多層構造フイルタ−エレメント
US4716074A (en) * 1986-02-10 1987-12-29 Pall Corporation Porous fibrous fluorocarbon structures
DD255282A1 (de) * 1986-12-22 1988-03-30 Medizin Labortechnik Veb K Verfahren zur hydrophobierung mikrobakteriendichter luftfiltermaterialien
CN102641621A (zh) * 2011-02-22 2012-08-22 苏州市东方净水器厂 一种四氟乙烯膜滤芯的制作工艺
CN107008056B (zh) * 2017-06-13 2019-10-22 四川大学 改性金属及其制备方法、改性金属滤网及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE369943C (de) * 1918-12-03 1923-02-24 Plauson S Forschungsinstitut G Membran aus Metalldrahtgewebe fuer Osmoseapparate, Diaphragmen usw.
DE688903C (de) * 1938-04-01 1940-03-05 Hch Kalbskopf Fa Weitmaschige Web-, Wirk- oder Flechtware
US2440190A (en) * 1944-03-01 1948-04-20 Du Pont Preparation of nonporous polytetrafluoroethylene articles
US2396629A (en) * 1944-03-29 1946-03-19 Du Pont Fabrication of polytetrafluoroethylene articles
GB638328A (en) * 1946-12-07 1950-06-07 Du Pont Moulding powders comprising fluorine-containing polymers
US2686767A (en) * 1950-12-22 1954-08-17 Kellogg M W Co Aqueous dispersion of fluorochlorocarbon polymers
DE935092C (de) * 1952-09-22 1955-11-10 Hoechst Ag Verfahren zur Herstellung von Dispersionen aus Polytrifluorchloraethylen
US2813041A (en) * 1953-09-09 1957-11-12 Glacier Co Ltd Method of impregnating porous metal strip with polytetrafluoroethylene
US2710266A (en) * 1953-12-21 1955-06-07 Du Pont Polytetrafluoroethylene coating compositions, method of application to substrates, coated substrates, and films
US2777783A (en) * 1954-02-09 1957-01-15 Pierre R Welch Method of coating a surface with polyhalocarbon resin and article formed thereby
US2764506A (en) * 1954-09-24 1956-09-25 Du Pont Process for impregnating fibrous material derived from a tetrafluoroethylene polymerand product

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010343A (fr) * 1973-05-30 1975-02-03
EP0369466A2 (fr) * 1988-11-18 1990-05-23 Daikin Industries, Limited Procédé pour la préparation d'une pellicule poreuse de polytétrafluorure d'éthylène
EP0369466A3 (en) * 1988-11-18 1990-11-28 Daikin Industries, Limited Porous film of polytetrafluoroethylene and preparation thereof
US5143783A (en) * 1988-11-18 1992-09-01 Daikin Industries, Ltd. Porous film of polytetrafluoroethylene and preparation thereof
CN110354554A (zh) * 2019-07-08 2019-10-22 武汉金牛经济发展有限公司 一种带聚四氟乙烯涂层的前置过滤器滤网的制作方法

Also Published As

Publication number Publication date
NL110572C (fr) 1965-01-13
DK97397C (da) 1963-11-25
BE557676A (fr) 1960-03-11
GB849837A (en) 1960-09-28
DE1149689B (de) 1963-06-06
US3010536A (en) 1961-11-28
LU35155A1 (fr)

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