GB689801A - Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom - Google Patents

Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom

Info

Publication number
GB689801A
GB689801A GB18778/50A GB1877850A GB689801A GB 689801 A GB689801 A GB 689801A GB 18778/50 A GB18778/50 A GB 18778/50A GB 1877850 A GB1877850 A GB 1877850A GB 689801 A GB689801 A GB 689801A
Authority
GB
United Kingdom
Prior art keywords
gel
polytetrafluoroethylene
filaments
dispersion
ammonium
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
GB18778/50A
Other languages
English (en)
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
Publication of GB689801A publication Critical patent/GB689801A/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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB18778/50A 1949-07-27 1950-07-27 Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom Expired GB689801A (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
GB689801A true GB689801A (en) 1953-04-08

Family

ID=22085925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18778/50A Expired GB689801A (en) 1949-07-27 1950-07-27 Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom

Country Status (4)

Country Link
BE (1) BE497217A (US20100268047A1-20101021-C00003.png)
DE (2) DE938508C (US20100268047A1-20101021-C00003.png)
FR (1) FR1023422A (US20100268047A1-20101021-C00003.png)
GB (1) GB689801A (US20100268047A1-20101021-C00003.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148234A (en) * 1956-12-24 1964-09-08 Du Pont Method of preparing filaments containing polytetrafluoroethylene emulsions
EP0612770A1 (de) * 1993-02-24 1994-08-31 Hoechst Aktiengesellschaft Feinteilige Dispersionen von thermoplastischen Fluorpolymeren
WO1998028469A1 (en) * 1996-12-20 1998-07-02 E.I. Du Pont De Nemours And Company Dispersion spinning process for poly(tetrafluoroethylene) and related polymers
CN1966784B (zh) * 2005-12-05 2010-08-04 常州市兴诚高分子材料有限公司 聚四氟乙烯棕色纤维加工设备

Families Citing this family (2)

* 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
DE1110133B (de) * 1958-01-20 1961-07-06 Du Pont Buerste mit einem Kunststoffborstenbesatz

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148234A (en) * 1956-12-24 1964-09-08 Du Pont Method of preparing filaments containing polytetrafluoroethylene emulsions
EP0612770A1 (de) * 1993-02-24 1994-08-31 Hoechst Aktiengesellschaft Feinteilige Dispersionen von thermoplastischen Fluorpolymeren
US5563213A (en) * 1993-02-24 1996-10-08 Hoechst Aktiengesellschaft Finely particulate dispersions of thermoplastic fluoropolymers
WO1998028469A1 (en) * 1996-12-20 1998-07-02 E.I. Du Pont De Nemours And Company Dispersion spinning process for poly(tetrafluoroethylene) and related polymers
CN1966784B (zh) * 2005-12-05 2010-08-04 常州市兴诚高分子材料有限公司 聚四氟乙烯棕色纤维加工设备

Also Published As

Publication number Publication date
FR1023422A (fr) 1953-03-18
DE941092C (de) 1956-04-05
BE497217A (US20100268047A1-20101021-C00003.png)
DE938508C (de) 1956-02-02

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