FR1305344A - Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration - Google Patents

Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration

Info

Publication number
FR1305344A
FR1305344A FR839213A FR839213A FR1305344A FR 1305344 A FR1305344 A FR 1305344A FR 839213 A FR839213 A FR 839213A FR 839213 A FR839213 A FR 839213A FR 1305344 A FR1305344 A FR 1305344A
Authority
FR
France
Prior art keywords
polytetrafluoroethylene
filtration
manufacture
field
resulting products
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
FR839213A
Other languages
English (en)
Inventor
Jean Gachot
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 filed Critical
Priority to FR839213A priority Critical patent/FR1305344A/fr
Priority to CH956561A priority patent/CH405707A/fr
Application granted granted Critical
Publication of FR1305344A publication Critical patent/FR1305344A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
    • B01D39/1653—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin
    • B01D39/1661—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin sintered or bonded
    • 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
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10—Filtering arrangements
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR839213A 1960-09-22 1960-09-22 Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration Expired FR1305344A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR839213A FR1305344A (fr) 1960-09-22 1960-09-22 Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration
CH956561A CH405707A (fr) 1960-09-22 1961-08-15 Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produit en résultant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839213A FR1305344A (fr) 1960-09-22 1960-09-22 Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration

Publications (1)

Publication Number Publication Date
FR1305344A true FR1305344A (fr) 1962-10-05

Family

ID=8739444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839213A Expired FR1305344A (fr) 1960-09-22 1960-09-22 Procédé pour la fabrication de corps poreux à base de polytétrafluoréthylène et produits en résultant, notamment dans le domaine de la filtration

Country Status (2)

Country Link
CH (1) CH405707A (fr)
FR (1) FR1305344A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677031A (en) * 1990-03-31 1997-10-14 W. L. Gore & Associates, Inc. Porous PTFE structures
GB9007304D0 (en) * 1990-03-31 1990-05-30 Gore W L & Ass Uk Filter element
EP0507286B1 (fr) * 1991-04-04 1997-07-30 Daikin Industries, Limited Procédé de moulage pour préparer des articles poreux à base de polytétrafluoréthylène

Also Published As

Publication number Publication date
CH405707A (fr) 1966-01-15

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