BE775493A - Procede de preparation de resines de polytetrafluorethylene pour des dispersions et nouveaux produits ainsi obtenus - Google Patents

Procede de preparation de resines de polytetrafluorethylene pour des dispersions et nouveaux produits ainsi obtenus

Info

Publication number
BE775493A
BE775493A BE775493A BE775493A BE775493A BE 775493 A BE775493 A BE 775493A BE 775493 A BE775493 A BE 775493A BE 775493 A BE775493 A BE 775493A BE 775493 A BE775493 A BE 775493A
Authority
BE
Belgium
Prior art keywords
polytetrafluorethylene
dispersions
resins
preparing
new products
Prior art date
Application number
BE775493A
Other languages
English (en)
Inventor
M B Mueller
P P Salatiello
D L Sawhney
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 BE775493A publication Critical patent/BE775493A/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
    • C08J3/12—Powdering or granulating
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/909—Polymerization characterized by particle size of product
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/911—Emulsifying agents

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)
BE775493A 1970-11-19 1971-11-18 Procede de preparation de resines de polytetrafluorethylene pour des dispersions et nouveaux produits ainsi obtenus BE775493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9104670A 1970-11-19 1970-11-19

Publications (1)

Publication Number Publication Date
BE775493A true BE775493A (fr) 1972-03-16

Family

ID=22225642

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775493A BE775493A (fr) 1970-11-19 1971-11-18 Procede de preparation de resines de polytetrafluorethylene pour des dispersions et nouveaux produits ainsi obtenus

Country Status (8)

Country Link
US (1) US3752796A (fr)
BE (1) BE775493A (fr)
CA (1) CA923236A (fr)
DE (1) DE2157170A1 (fr)
FR (1) FR2126978B1 (fr)
GB (1) GB1320089A (fr)
IT (1) IT940055B (fr)
NL (1) NL7115941A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025481A (en) * 1971-01-28 1977-05-24 Produits Chimiques Ugine Kuhlmann Method for the preparation of aqueous dispersions of polytetrafluoroethylene with halogenated hydrocarbon as stabilizing agent
US3956000A (en) * 1972-07-21 1976-05-11 Hoechst Aktiengesellschaft Fluorocarbon waxes and process for producing them
US4016345A (en) * 1972-12-22 1977-04-05 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene in aqueous dispersion
US4208496A (en) * 1977-02-02 1980-06-17 N L Industries, Inc. Dust repellent paint
JPS59109506A (ja) * 1982-12-14 1984-06-25 Daikin Ind Ltd 新規なポリテトラフルオロエチレン・フアインパウダ−
JPS6076516A (ja) * 1983-09-12 1985-05-01 Daikin Ind Ltd ポリテトラフルオロエチレン水性分散体の製法
WO1992007886A1 (fr) * 1990-10-30 1992-05-14 Dainippon Ink & Chemicals, Inc. Dispersion aqueuse de fluororesine particulaire gelifiee, production de cette dispersion et protection de materiaux inorganiques alcalins durcis
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952669A (en) * 1954-09-17 1960-09-13 Du Pont Polymerization of perfluorocarbon polymers
US3301807A (en) * 1963-04-11 1967-01-31 Thiokol Chemical Corp Stabilized, concentrated polytetrafluoroethylene dispersions containing non-ionic surfactants

Also Published As

Publication number Publication date
CA923236A (en) 1973-03-20
US3752796A (en) 1973-08-14
FR2126978A1 (fr) 1972-10-13
IT940055B (it) 1973-02-10
GB1320089A (en) 1973-06-13
FR2126978B1 (fr) 1974-05-10
NL7115941A (fr) 1972-05-24
DE2157170A1 (de) 1972-05-25

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