FR2497814B1 - Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention - Google Patents

Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention

Info

Publication number
FR2497814B1
FR2497814B1 FR8100916A FR8100916A FR2497814B1 FR 2497814 B1 FR2497814 B1 FR 2497814B1 FR 8100916 A FR8100916 A FR 8100916A FR 8100916 A FR8100916 A FR 8100916A FR 2497814 B1 FR2497814 B1 FR 2497814B1
Authority
FR
France
Prior art keywords
plastic materials
balls obtained
hollow balls
expandable plastic
obtaining same
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
FR8100916A
Other languages
English (en)
Other versions
FR2497814A1 (fr
Inventor
Gerard Aye
Jacques Dhamelincourt
Gerard Lezier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8100916A priority Critical patent/FR2497814B1/fr
Publication of FR2497814A1 publication Critical patent/FR2497814A1/fr
Application granted granted Critical
Publication of FR2497814B1 publication Critical patent/FR2497814B1/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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3461—Making or treating expandable particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR8100916A 1981-01-13 1981-01-13 Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention Expired FR2497814B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8100916A FR2497814B1 (fr) 1981-01-13 1981-01-13 Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8100916A FR2497814B1 (fr) 1981-01-13 1981-01-13 Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention

Publications (2)

Publication Number Publication Date
FR2497814A1 FR2497814A1 (fr) 1982-07-16
FR2497814B1 true FR2497814B1 (fr) 1986-08-08

Family

ID=9254293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8100916A Expired FR2497814B1 (fr) 1981-01-13 1981-01-13 Billes creuses obtenues a partir de matieres plastiques expansibles et procede d'obtention

Country Status (1)

Country Link
FR (1) FR2497814B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706884A1 (de) * 1997-02-21 1998-08-27 Huels Chemische Werke Ag Verfahren zum Nachschäumen von preexpandierten polyolefinischen Partikeln
DE102004051693A1 (de) * 2004-10-23 2006-04-27 Ferdinand Leitsch Vorrichtung zum Aufschäumen und/oder Vorschäumen von Kunststoffgranulat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472801A (en) * 1967-02-10 1969-10-14 Nat Distillers Chem Corp Method of making particulate polymer foams
DE1939445A1 (de) * 1969-08-02 1971-09-02 Ruetgerswerke Ag Verfahren zur Herstellung strukturdichter und dreidimensional verstaerkter Schaumkoerper
FR2360408A1 (fr) * 1976-08-02 1978-03-03 Lezier Gerard Procede et dispositif pour le premoussage des matieres plastiques expansibles
FR2394385A1 (fr) * 1977-06-15 1979-01-12 Foster Grant Co Inc Procede et dispositif pour la pre-expansion et le moulage de particules d'une matiere thermoplastique expansible

Also Published As

Publication number Publication date
FR2497814A1 (fr) 1982-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse