FR928293A - Procédé de fabrication de feuilles et autres objets en polytétrafluoroéthylène et produits en résultant - Google Patents

Procédé de fabrication de feuilles et autres objets en polytétrafluoroéthylène et produits en résultant

Info

Publication number
FR928293A
FR928293A FR928293DA FR928293A FR 928293 A FR928293 A FR 928293A FR 928293D A FR928293D A FR 928293DA FR 928293 A FR928293 A FR 928293A
Authority
FR
France
Prior art keywords
articles
manufacturing process
resulting products
polytetrafluoroethylene sheets
polytetrafluoroethylene
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 FR928293A publication Critical patent/FR928293A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/02—Moulding by agglomerating
    • B29C67/04—Sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR928293D 1944-03-01 1945-12-19 Procédé de fabrication de feuilles et autres objets en polytétrafluoroéthylène et produits en résultant Expired FR928293A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US928293XA 1944-03-01 1944-03-01
US588590XA 1944-03-01 1944-03-01
US524655A US2440190A (en) 1944-03-01 1944-03-01 Preparation of nonporous polytetrafluoroethylene articles

Publications (1)

Publication Number Publication Date
FR928293A true FR928293A (fr) 1947-11-24

Family

ID=27369551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928293D Expired FR928293A (fr) 1944-03-01 1945-12-19 Procédé de fabrication de feuilles et autres objets en polytétrafluoroéthylène et produits en résultant

Country Status (2)

Country Link
US (1) US2440190A (fr)
FR (1) FR928293A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE872119C (de) * 1949-11-25 1953-03-30 Gen Electric Dispersionen von polymerem Monochlortrifluoraethylen
DE1149689B (de) * 1956-05-22 1963-06-06 Commissariat Energie Atomique Verfahren zur Herstellung einer von einem Metallgewebe getragenen, poroesen Membran
DE1210765B (de) * 1956-05-22 1966-02-17 Commissariat Energie Atomique Verwendung einer Paste zum Herstellen einer von einem Metallgewebe getragenen poroesen Membran zur Gastrennung
WO2013004966A1 (fr) * 2011-07-04 2013-01-10 Mersen France Py Sas Procede de fabrication de pieces en polytetrafluoroethylene
WO2018077767A1 (fr) * 2016-10-25 2018-05-03 Prominent Gmbh Procédé de production d'une membrane formée

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532691A (en) * 1947-02-05 1950-12-05 Du Pont Water-repellent fibrous structures and process for obtaining same
US2520173A (en) * 1948-01-14 1950-08-29 Du Pont Process for preparing unsupported films of tetrafluoroethylene polymers
US2484484A (en) * 1948-07-06 1949-10-11 Du Pont Process for obtaining laminated products
US2540962A (en) * 1948-11-16 1951-02-06 Sprague Electric Co Process for producing polytetrahaloethylene films
US2578522A (en) * 1949-06-08 1951-12-11 Du Pont Process of preparing unsupported films of polytetrafluoroethylene
GB707966A (en) * 1950-01-26 1954-04-28 Rolls Royce Improvements in or relating to articles consisting essentially of a polymer of tetrafluoroethylene and to the manufacture thereof
US2790999A (en) * 1951-10-20 1957-05-07 Sprague Electric Co Process for producing porous polytetrafluoroethylene film
DE945660C (de) * 1952-07-02 1956-07-12 Hoechst Ag Verfahren zur Herstellung von Loesungen und Anquellungen aus Polytrifluorchloraethylen
US2717024A (en) * 1952-09-17 1955-09-06 Kellogg M W Co Gasket and method of forming same
US2752321A (en) * 1953-02-27 1956-06-26 Du Pont Lubricating tetrafluoroethylene polymers
US2817562A (en) * 1953-07-01 1957-12-24 Gen Motors Corp Coated piston
US2860316A (en) * 1954-04-26 1958-11-11 Gen Electric High voltage pin socket connector
DE1171610B (de) * 1956-08-21 1964-06-04 Siemens Ag Verfahren zur Herstellung von Formkoerpern aus Polytetrafluoraethylen
BE561820A (fr) * 1956-11-05
US3010950A (en) * 1956-11-15 1961-11-28 Du Pont Polytetrafluoroethylene fine powders
US3027601A (en) * 1957-07-22 1962-04-03 Minnesota Mining & Mfg Polytetrafluoroethylene films and method for making same
US3015855A (en) * 1958-02-01 1962-01-09 Merkel Ewald Method of and device for making hollow bodies
US3060517A (en) * 1959-08-18 1962-10-30 Du Pont Fabrication of massive shaped articles of polytetrafluoroethylene
US3395049A (en) * 1963-07-15 1968-07-30 Exxon Research Engineering Co Method of making a porous electrode
US3265679A (en) * 1963-09-19 1966-08-09 Pennsalt Chemicals Corp Chemical product and method for its manufacture
US7744792B2 (en) * 2003-03-27 2010-06-29 Robert Roberts Methods for continuous processing polytetrafluoroethylene (PTFE) resin
US20040191525A1 (en) * 2003-03-27 2004-09-30 Robert Roberts Micro-fibrous polytetrafluoroethylene resin and process for making multi-directional planar structures
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
US7060210B2 (en) * 2004-03-26 2006-06-13 Robert Roberts Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures
US20060292324A1 (en) * 2004-03-26 2006-12-28 Robert Roberts Uniaxially and biaxially-oriented polytetrafluoroethylene structures

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836021A (en) * 1930-11-03 1931-12-15 Naugatuck Chem Co Water dispersion of polymerized styrol and product made therefrom
US2046378A (en) * 1934-12-22 1936-07-07 Duplate Corp Method of plasticizing a resin and forming it into a sheet
US2333816A (en) * 1937-12-27 1943-11-09 Winthrop Chem Co Inc Process for the manufacture of molded articles from artificial masses
US2270075A (en) * 1938-11-12 1942-01-13 William J Miller Method and apparatus for manufacturing pottery ware
NL67177C (fr) * 1939-07-01 1900-01-01
US2371868A (en) * 1940-09-09 1945-03-20 Berg Herbert Porous polyvinyl chloride compositions
US2354744A (en) * 1940-09-28 1944-08-01 Dreyfus Camille Method of producing shaped resinous artificial materials
US2392388A (en) * 1942-11-05 1946-01-08 Du Pont Electrical apparatus
BE462019A (fr) * 1943-10-25

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE872119C (de) * 1949-11-25 1953-03-30 Gen Electric Dispersionen von polymerem Monochlortrifluoraethylen
DE1149689B (de) * 1956-05-22 1963-06-06 Commissariat Energie Atomique Verfahren zur Herstellung einer von einem Metallgewebe getragenen, poroesen Membran
DE1210765B (de) * 1956-05-22 1966-02-17 Commissariat Energie Atomique Verwendung einer Paste zum Herstellen einer von einem Metallgewebe getragenen poroesen Membran zur Gastrennung
WO2013004966A1 (fr) * 2011-07-04 2013-01-10 Mersen France Py Sas Procede de fabrication de pieces en polytetrafluoroethylene
FR2977523A1 (fr) * 2011-07-04 2013-01-11 Mersen France Py Sas Procede de fabrication de pieces en polytetrafluoroethylene
WO2018077767A1 (fr) * 2016-10-25 2018-05-03 Prominent Gmbh Procédé de production d'une membrane formée

Also Published As

Publication number Publication date
US2440190A (en) 1948-04-20

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