FR1023422A - Colloidal aqueous dispersions of polytetrafluoroethylene and formation by means of these dispersions of objects of specific shape - Google Patents

Colloidal aqueous dispersions of polytetrafluoroethylene and formation by means of these dispersions of objects of specific shape

Info

Publication number
FR1023422A
FR1023422A FR1023422DA FR1023422A FR 1023422 A FR1023422 A FR 1023422A FR 1023422D A FR1023422D A FR 1023422DA FR 1023422 A FR1023422 A FR 1023422A
Authority
FR
France
Prior art keywords
dispersions
polytetrafluoroethylene
objects
formation
specific shape
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
Other languages
French (fr)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1023422A publication Critical patent/FR1023422A/en
Expired legal-status Critical Current

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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR1023422D 1949-07-27 1950-07-27 Colloidal aqueous dispersions of polytetrafluoroethylene and formation by means of these dispersions of objects of specific shape Expired FR1023422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US689801XA 1949-07-27 1949-07-27

Publications (1)

Publication Number Publication Date
FR1023422A true FR1023422A (en) 1953-03-18

Family

ID=22085925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1023422D Expired FR1023422A (en) 1949-07-27 1950-07-27 Colloidal aqueous dispersions of polytetrafluoroethylene and formation by means of these dispersions of objects of specific shape

Country Status (4)

Country Link
BE (1) BE497217A (en)
DE (2) DE941092C (en)
FR (1) FR1023422A (en)
GB (1) GB689801A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776465A (en) * 1954-08-12 1957-01-08 Du Pont Highly oriented shaped tetrafluoroethylene article and process for producing the same
US3148234A (en) * 1956-12-24 1964-09-08 Du Pont Method of preparing filaments containing polytetrafluoroethylene emulsions
DE1110133B (en) * 1958-01-20 1961-07-06 Du Pont Brush with a plastic bristle trim
DE4305619A1 (en) * 1993-02-24 1994-08-25 Hoechst Ag Fine-particle dispersions of thermoplastic fluoropolymers
US5723081A (en) * 1996-12-20 1998-03-03 E. I. Du Pont De Nemours And Company Dispersion spinning process for polytetrafluoroethylene and related polymers
CN1966784B (en) * 2005-12-05 2010-08-04 常州市兴诚高分子材料有限公司 Device for preparing brown polytetrafluoroethylene fibre

Also Published As

Publication number Publication date
DE941092C (en) 1956-04-05
GB689801A (en) 1953-04-08
BE497217A (en)
DE938508C (en) 1956-02-02

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