FR1190038A - Poudre fine de polytétrafluoroéthylène améliorée - Google Patents

Poudre fine de polytétrafluoroéthylène améliorée

Info

Publication number
FR1190038A
FR1190038A FR1190038DA FR1190038A FR 1190038 A FR1190038 A FR 1190038A FR 1190038D A FR1190038D A FR 1190038DA FR 1190038 A FR1190038 A FR 1190038A
Authority
FR
France
Prior art keywords
fine powder
polytetrafluoroethylene fine
improved
improved polytetrafluoroethylene
powder
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
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
Application granted granted Critical
Publication of FR1190038A publication Critical patent/FR1190038A/fr
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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR1190038D 1956-11-15 1957-11-05 Poudre fine de polytétrafluoroéthylène améliorée Expired FR1190038A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US622265A US3010950A (en) 1956-11-15 1956-11-15 Polytetrafluoroethylene fine powders

Publications (1)

Publication Number Publication Date
FR1190038A true FR1190038A (fr) 1959-10-08

Family

ID=24493555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1190038D Expired FR1190038A (fr) 1956-11-15 1957-11-05 Poudre fine de polytétrafluoroéthylène améliorée

Country Status (4)

Country Link
US (1) US3010950A (fr)
DE (1) DE1292835B (fr)
FR (1) FR1190038A (fr)
GB (1) GB829503A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
US3247116A (en) * 1961-11-07 1966-04-19 Duriron Co Lubricants containing degraded polytetrafluoroethylene
US3245972A (en) * 1962-06-21 1966-04-12 Du Pont Polytetrafluoroethylene molding powder and its preparation
GB1082859A (en) * 1963-10-14 1967-09-13 Daikin Ind Ltd Polytetrafluoroethylene fibrous powders and process for producing the same
US3286008A (en) * 1965-05-17 1966-11-15 Formica Corp Method of molding intractable polymers
US3766031A (en) * 1972-04-10 1973-10-16 Garlock Inc Process for non-destructive radiation degradation of polytetrafluoroethylene
US4153661A (en) * 1977-08-25 1979-05-08 Minnesota Mining And Manufacturing Company Method of making polytetrafluoroethylene composite sheet
US4351869A (en) * 1978-05-01 1982-09-28 Cresap Charles N Sintered polymer moldings and composites having altered cross section(s): fluid compacting and sintering process and apparatus for making same
US20040191525A1 (en) * 2003-03-27 2004-09-30 Robert Roberts Micro-fibrous polytetrafluoroethylene resin and process for making multi-directional planar structures
US7744792B2 (en) * 2003-03-27 2010-06-29 Robert Roberts Methods for continuous processing polytetrafluoroethylene (PTFE) resin
US8895139B2 (en) * 2003-03-27 2014-11-25 Robert Roberts Isotropic nano crystallites of polytetrafluoroethylene (PTFE) resin and products thereof that are biaxially planar oriented and form stable
US20060292324A1 (en) * 2004-03-26 2006-12-28 Robert Roberts Uniaxially and biaxially-oriented polytetrafluoroethylene structures
US7060210B2 (en) * 2004-03-26 2006-06-13 Robert Roberts Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE462019A (fr) * 1943-10-25
US2400099A (en) * 1943-10-25 1946-05-14 Du Pont Process for obtaining shaped articles
US2440190A (en) * 1944-03-01 1948-04-20 Du Pont Preparation of nonporous polytetrafluoroethylene articles
US2396629A (en) * 1944-03-29 1946-03-19 Du Pont Fabrication of polytetrafluoroethylene articles
GB638328A (en) * 1946-12-07 1950-06-07 Du Pont Moulding powders comprising fluorine-containing polymers
US2559750A (en) * 1949-07-27 1951-07-10 Du Pont Aqueous colloidal dispersions of polytetrafluoroethylene and the formation of shapedstructures therefrom
US2718452A (en) * 1950-06-30 1955-09-20 Du Pont Polytetrafluoroethylene organosols and the formation of shaped articles therefrom
US2593583A (en) * 1951-03-14 1952-04-22 Du Pont Method for coagulating aqueous dispersions of polytetrafluoroethylene
US2782180A (en) * 1952-08-25 1957-02-19 Du Pont Modified polytetrafluoroethylene compositions and products related thereto
US2791806A (en) * 1953-08-21 1957-05-14 Du Pont Extrusion of polytetrafluoroethylene at temperatures above the normal melting point
US2715617A (en) * 1954-07-29 1955-08-16 Hobart S White Bearing compositions containing polytetrafluoroethylene
US2781552A (en) * 1955-10-21 1957-02-19 Us Ceramic Tile Company Process for making thin articles of polytetrafluoroethylene

Also Published As

Publication number Publication date
US3010950A (en) 1961-11-28
DE1292835B (de) 1969-04-17
GB829503A (en) 1960-03-02

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