BE861536A - Procede perfectionne pour la reparation par soudage de membranes en polymeres fluores - Google Patents

Procede perfectionne pour la reparation par soudage de membranes en polymeres fluores

Info

Publication number
BE861536A
BE861536A BE183193A BE183193A BE861536A BE 861536 A BE861536 A BE 861536A BE 183193 A BE183193 A BE 183193A BE 183193 A BE183193 A BE 183193A BE 861536 A BE861536 A BE 861536A
Authority
BE
Belgium
Prior art keywords
polymer membranes
fluorine polymer
welding repair
perfected process
perfected
Prior art date
Application number
BE183193A
Other languages
English (en)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE861536A publication Critical patent/BE861536A/fr

Links

Classifications

    • 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
    • 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
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • C08J5/121—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives by heating
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2287—After-treatment
    • C08J5/2293—After-treatment of fluorine-containing membranes
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
BE183193A 1976-12-06 1977-12-06 Procede perfectionne pour la reparation par soudage de membranes en polymeres fluores BE861536A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2655145A DE2655145C2 (de) 1976-12-06 1976-12-06 Verfahren zum Verschweißen von Membranen aus fluorierten Polymeren

Publications (1)

Publication Number Publication Date
BE861536A true BE861536A (fr) 1978-06-06

Family

ID=5994756

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183193A BE861536A (fr) 1976-12-06 1977-12-06 Procede perfectionne pour la reparation par soudage de membranes en polymeres fluores

Country Status (3)

Country Link
US (1) US4172931A (fr)
BE (1) BE861536A (fr)
DE (1) DE2655145C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284460A (en) * 1979-04-30 1981-08-18 Olin Corporation Heat sealing untreated sulfonamide-type cation exchange membranes
US4290833A (en) * 1979-09-28 1981-09-22 Olin Corporation Method for sealing cation exchange membranes of carboxylic acid type fluorinated polymers
JPS56157432A (en) * 1980-05-09 1981-12-04 Asahi Chem Ind Co Ltd Method for hot-melt joining of fluorine containing polymer
GB2121352B (en) * 1982-05-25 1986-03-19 Chlorine Eng Corp Ltd Bonding of cation exchange membrane
US5238725A (en) * 1990-12-21 1993-08-24 E. I. Du Pont De Nemours And Company Method for forming a structural panel with decorative facing and product thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784399A (en) * 1971-09-08 1974-01-08 Du Pont Films of fluorinated polymer containing sulfonyl groups with one surface in the sulfonamide or sulfonamide salt form and a process for preparing such
US4025375A (en) * 1972-05-23 1977-05-24 Mira-Pak, Inc. Method for continuous welding together of plastic sheets
US3884885A (en) * 1973-08-01 1975-05-20 Du Pont Melt processing of fluorinated polymers
SE7509151L (sv) * 1975-08-15 1977-02-16 Tudor Ab Forfarande vid sammansvetsning av lock och kerl av termoplastiskt material samt for anvendning vid forfarandet avsett lock
US4076571A (en) * 1976-10-19 1978-02-28 Olin Corporation Method of bonding electrolytic diaphragms of perfluorosulfonic acid resins

Also Published As

Publication number Publication date
US4172931A (en) 1979-10-30
DE2655145A1 (de) 1978-06-08
DE2655145C2 (de) 1985-10-03

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BASF A.G.

Effective date: 19921231