CA1094745A - Process for the manufacture of paste-extrudable polymers of tetrafluoroethylene - Google Patents

Process for the manufacture of paste-extrudable polymers of tetrafluoroethylene

Info

Publication number
CA1094745A
CA1094745A CA262,502A CA262502A CA1094745A CA 1094745 A CA1094745 A CA 1094745A CA 262502 A CA262502 A CA 262502A CA 1094745 A CA1094745 A CA 1094745A
Authority
CA
Canada
Prior art keywords
seed
dispersion
polymerization
tetrafluoroethylene
weight
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
CA262,502A
Other languages
English (en)
French (fr)
Inventor
Jurgen Kuhls
Thomas Martini
Alfred 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
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1094745A publication Critical patent/CA1094745A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • 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
    • C08F214/00—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
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
CA262,502A 1975-10-02 1976-10-01 Process for the manufacture of paste-extrudable polymers of tetrafluoroethylene Expired CA1094745A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2544040.8 1975-10-02
DE2544040A DE2544040C2 (de) 1975-10-02 1975-10-02 Verfahren zur Herstellung von modifizierten Tetrafluoräthylen-Dispersionspolymerisaten

Publications (1)

Publication Number Publication Date
CA1094745A true CA1094745A (en) 1981-01-27

Family

ID=5958095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,502A Expired CA1094745A (en) 1975-10-02 1976-10-01 Process for the manufacture of paste-extrudable polymers of tetrafluoroethylene

Country Status (20)

Country Link
JP (1) JPS607646B2 (nl)
AT (1) AT347126B (nl)
AU (1) AU1831976A (nl)
BE (1) BE846927A (nl)
CA (1) CA1094745A (nl)
CH (1) CH631465A5 (nl)
DD (1) DD126562A5 (nl)
DE (1) DE2544040C2 (nl)
DK (1) DK444376A (nl)
ES (1) ES451888A1 (nl)
FR (1) FR2326434A1 (nl)
GB (1) GB1558976A (nl)
IN (1) IN145130B (nl)
IT (1) IT1070581B (nl)
LU (1) LU75915A1 (nl)
MX (1) MX142853A (nl)
NL (1) NL7610689A (nl)
SE (1) SE412399B (nl)
YU (1) YU239376A (nl)
ZA (1) ZA765891B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623090A1 (de) * 1976-05-22 1977-12-08 Hoechst Ag Verfahren zur herstellung von perfluor-alpha- (3,6-dimethyl-1,4- dioxanyl-2-oxy)-propionsaeurefluorid
JPS63190816A (ja) * 1986-09-05 1988-08-08 Taiyo Koryo Kk う蝕菌生育阻害剤
JP2693822B2 (ja) * 1988-08-08 1997-12-24 花王株式会社 含フッ素樹脂水性分散物の製造方法
DE4424466A1 (de) * 1994-07-12 1996-01-18 Hoechst Ag Copolymeres vom Typ Tetrafluorethylen-Ethylen mit einer Kern-Hülle-Teilchenstruktur
CN101998968B (zh) 2008-04-14 2012-08-29 旭硝子株式会社 聚四氟乙烯细粉的制造方法
EP2287209B1 (en) 2008-05-21 2012-09-12 Asahi Glass Company, Limited Method for producing polytetrafluoroethylene fine powder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1529958A (fr) * 1966-05-25 1968-06-21 Du Pont Poudres à mouler au polytétrafluoroéthylène granulaire modifié
DE1795078C3 (de) * 1968-08-07 1974-12-19 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung
NL189566C (nl) * 1975-05-28 1993-05-17 Hoechst Ag Werkwijze voor de bereiding van suspensiepolymeren van tetrafluoretheen en werkwijze voor het vervaardigen van lichamen, ramextrudaton of foelies.

Also Published As

Publication number Publication date
IN145130B (nl) 1978-09-02
SE7610834L (sv) 1977-04-03
ES451888A1 (es) 1978-03-16
IT1070581B (it) 1985-03-29
DD126562A5 (nl) 1977-07-27
CH631465A5 (de) 1982-08-13
FR2326434B1 (nl) 1980-07-18
ZA765891B (en) 1977-10-26
DE2544040C2 (de) 1981-09-24
DE2544040A1 (de) 1977-04-07
MX142853A (es) 1981-01-05
BE846927A (fr) 1977-04-04
LU75915A1 (nl) 1977-05-11
ATA731476A (de) 1978-04-15
NL7610689A (nl) 1977-04-05
AT347126B (de) 1978-12-11
YU239376A (en) 1982-05-31
DK444376A (da) 1977-04-03
SE412399B (sv) 1980-03-03
AU1831976A (en) 1978-04-06
JPS5243895A (en) 1977-04-06
GB1558976A (en) 1980-01-09
JPS607646B2 (ja) 1985-02-26
FR2326434A1 (fr) 1977-04-29

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Legal Events

Date Code Title Description
MKEX Expiry