DE1795078C3 - Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung - Google Patents

Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung

Info

Publication number
DE1795078C3
DE1795078C3 DE1795078A DE1795078A DE1795078C3 DE 1795078 C3 DE1795078 C3 DE 1795078C3 DE 1795078 A DE1795078 A DE 1795078A DE 1795078 A DE1795078 A DE 1795078A DE 1795078 C3 DE1795078 C3 DE 1795078C3
Authority
DE
Germany
Prior art keywords
dispersion
weight
percent
seed
tetrafluoroethylene
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
DE1795078A
Other languages
German (de)
English (en)
Other versions
DE1795078B2 (de
DE1795078A1 (de
Inventor
Helmut Dr. Hahn
Juergen Dr. Kuhls
Alfred Dr. 8261 Burgkirchen Steininger
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.)
Hoechst AG
Original Assignee
Farbwerke Hoechst 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 Farbwerke Hoechst AG filed Critical Farbwerke Hoechst AG
Priority to DE1795078A priority Critical patent/DE1795078C3/de
Priority to US845504A priority patent/US3654210A/en
Priority to GB38710/69A priority patent/GB1253598A/en
Priority to NL6911764.A priority patent/NL157618B/xx
Priority to FR6927021A priority patent/FR2015217A1/fr
Priority to BE737195D priority patent/BE737195A/xx
Priority to AT762369A priority patent/AT298795B/de
Publication of DE1795078A1 publication Critical patent/DE1795078A1/de
Publication of DE1795078B2 publication Critical patent/DE1795078B2/de
Application granted granted Critical
Publication of DE1795078C3 publication Critical patent/DE1795078C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)
DE1795078A 1968-08-07 1968-08-07 Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung Expired DE1795078C3 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE1795078A DE1795078C3 (de) 1968-08-07 1968-08-07 Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung
US845504A US3654210A (en) 1968-08-07 1969-07-28 Aqueous polymer dispersions on the basis of polytetra-fluoroethylene
NL6911764.A NL157618B (nl) 1968-08-07 1969-08-01 Werkwijze voor het bereiden van tetrafluoretheen-polymeren in een waterig medium.
GB38710/69A GB1253598A (en) 1968-08-07 1969-08-01 Aqueous dispersions containing tetrafluoroethylene polymers
FR6927021A FR2015217A1 (enExample) 1968-08-07 1969-08-06
BE737195D BE737195A (enExample) 1968-08-07 1969-08-07
AT762369A AT298795B (de) 1968-08-07 1969-08-07 Verfahren zur Herstellung von wässerigen Polymerisat-Dispersionen auf der Basis von Polytetraflouräthylen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1795078A DE1795078C3 (de) 1968-08-07 1968-08-07 Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung

Publications (3)

Publication Number Publication Date
DE1795078A1 DE1795078A1 (de) 1972-08-03
DE1795078B2 DE1795078B2 (de) 1974-02-21
DE1795078C3 true DE1795078C3 (de) 1974-12-19

Family

ID=5708048

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1795078A Expired DE1795078C3 (de) 1968-08-07 1968-08-07 Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung

Country Status (7)

Country Link
US (1) US3654210A (enExample)
AT (1) AT298795B (enExample)
BE (1) BE737195A (enExample)
DE (1) DE1795078C3 (enExample)
FR (1) FR2015217A1 (enExample)
GB (1) GB1253598A (enExample)
NL (1) NL157618B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929934A (en) * 1973-11-19 1975-12-30 Du Pont Novel fluoroelastomers in powder form
GB1460535A (en) * 1974-05-16 1977-01-06 Ici Ltd Tetrafluoroethylene polymers
US4129618A (en) * 1974-05-16 1978-12-12 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
JPS5136291A (ja) * 1974-09-09 1976-03-27 Daikin Ind Ltd Henseitetorafuruoroechirenjugotai no seizohoho
US4035565A (en) 1975-03-27 1977-07-12 E. I. Du Pont De Nemours And Company Fluoropolymer containing a small amount of bromine-containing olefin units
GB1527026A (en) * 1975-05-08 1978-10-04 Daikin Ind Ltd Tetrafluoroethylene polymer and process for producing sam
USRE31907E (en) * 1975-09-24 1985-06-04 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer fine powder resin
US4036802A (en) * 1975-09-24 1977-07-19 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer fine powder resin
DE2544040C2 (de) * 1975-10-02 1981-09-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von modifizierten Tetrafluoräthylen-Dispersionspolymerisaten
US4134995A (en) * 1976-05-03 1979-01-16 Daikin Kogyo Kabushiki Kaisha Modified tetrafluoroethylene polymer and process for producing same
DE2724200C2 (de) 1977-05-27 1985-06-20 E.I. Du Pont De Nemours And Co., Wilmington, Del. Koaguliertes Tetrafluoräthylen- Copolymerisatpulver und Verfahren zu dessen Herstellung
DE2759709C2 (enExample) * 1977-05-27 1988-03-10 E.I. Du Pont De Nemours And Co., Wilmington, Del., Us
US4342675A (en) * 1978-06-16 1982-08-03 E. I. Du Pont De Nemours And Company Process for preparing aqueous dispersion of polytetrafluoroethylene
DE2949907A1 (de) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt Fluorpolymere mit schalenmodifizierten teilchen und verfahren zu deren herstellung
US4636549A (en) * 1982-12-13 1987-01-13 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymers
US4640955A (en) * 1984-06-18 1987-02-03 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4859745A (en) * 1987-12-22 1989-08-22 The Dow Chemical Company Stratified fibrous fluoropolymer compositions and process for forming such fluoropolymers
FR2725722B1 (fr) * 1994-10-14 1997-01-03 Atochem Elf Sa Copolymere fluore a tenue thermique amelioree, son procede de preparation et son utilisation comme revetement protecteur de substrats
EP1948706B1 (en) * 2005-11-18 2012-09-19 E.I. Du Pont De Nemours And Company Core/shell polymer
EP1948734B1 (en) 2005-11-18 2014-01-08 E.I. Du Pont De Nemours And Company Fluoropolymer composition
US9040646B2 (en) 2007-10-04 2015-05-26 W. L. Gore & Associates, Inc. Expandable TFE copolymers, methods of making, and porous, expanded articles thereof
US9650479B2 (en) 2007-10-04 2017-05-16 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
EP2902424B1 (en) * 2014-01-31 2020-04-08 3M Innovative Properties Company Tetrafluoroethene polymer dispersions stabilized with aliphatic non-ionic surfactants
US9644054B2 (en) * 2014-12-19 2017-05-09 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
EP3638704B1 (en) 2017-06-14 2021-11-10 Solvay Specialty Polymers Italy S.p.A. Ferroelectric fluoropolymer
CN116761832A (zh) 2021-01-20 2023-09-15 索尔维特殊聚合物意大利有限公司 含氟聚合物组合物

Also Published As

Publication number Publication date
AT298795B (de) 1972-05-25
GB1253598A (en) 1971-11-17
US3654210A (en) 1972-04-04
NL157618B (nl) 1978-08-15
DE1795078B2 (de) 1974-02-21
DE1795078A1 (de) 1972-08-03
FR2015217A1 (enExample) 1970-04-24
BE737195A (enExample) 1970-02-09
NL6911764A (enExample) 1970-02-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee