BE804532A - Perfectionnement d'un procede de concentration de dispersions aqueuses colloidales de polytetrafluorethylene - Google Patents

Perfectionnement d'un procede de concentration de dispersions aqueuses colloidales de polytetrafluorethylene

Info

Publication number
BE804532A
BE804532A BE135376A BE135376A BE804532A BE 804532 A BE804532 A BE 804532A BE 135376 A BE135376 A BE 135376A BE 135376 A BE135376 A BE 135376A BE 804532 A BE804532 A BE 804532A
Authority
BE
Belgium
Prior art keywords
polytetrafluorethylene
perfection
concentration
aqueous colloidal
colloidal dispersions
Prior art date
Application number
BE135376A
Other languages
English (en)
Inventor
P S Morris
R H Hutzler
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
Publication of BE804532A publication Critical patent/BE804532A/fr

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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/20—Concentration
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BE135376A 1972-02-24 1973-09-06 Perfectionnement d'un procede de concentration de dispersions aqueuses colloidales de polytetrafluorethylene BE804532A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22919072A 1972-02-24 1972-02-24

Publications (1)

Publication Number Publication Date
BE804532A true BE804532A (fr) 1974-01-02

Family

ID=22860166

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135376A BE804532A (fr) 1972-02-24 1973-09-06 Perfectionnement d'un procede de concentration de dispersions aqueuses colloidales de polytetrafluorethylene

Country Status (2)

Country Link
US (1) US3778391A (fr)
BE (1) BE804532A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1526037A (en) * 1976-07-31 1978-09-27 Mpj Dev Ltd Apparatus for spreading inoculant on culture plates
CA1299314C (fr) * 1986-07-23 1992-04-21 Herbert Franz Leder Composes servant a la production de films et films resistant a la bueeainsi obtenus
US4830889A (en) * 1987-09-21 1989-05-16 Wear-Cote International, Inc. Co-deposition of fluorinated carbon with electroless nickel
DE3941368A1 (de) * 1989-12-15 1991-06-20 Hoechst Ag Verfahren zur herstellung eines agglomerierten formpulvers aus polytetrafluorethylen und hydrophoben fuellstoffen
US5272186A (en) * 1992-05-01 1993-12-21 E. I. Du Pont De Nemours And Company Concentration of fluoropolymer dispersions using acrylic polymers of high acid content
EP1897902A4 (fr) * 2005-04-13 2008-10-29 Daikin Ind Ltd Procede de fabrication d'une dispersion aqueuse de fluoropolymere
US20090069493A1 (en) * 2005-04-13 2009-03-12 Daikin Industries, Ltd. Process for Producing Aqueous Fluoropolymer Dispersion

Also Published As

Publication number Publication date
US3778391A (en) 1973-12-11

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