FR2461572B1 - - Google Patents

Info

Publication number
FR2461572B1
FR2461572B1 FR7918998A FR7918998A FR2461572B1 FR 2461572 B1 FR2461572 B1 FR 2461572B1 FR 7918998 A FR7918998 A FR 7918998A FR 7918998 A FR7918998 A FR 7918998A FR 2461572 B1 FR2461572 B1 FR 2461572B1
Authority
FR
France
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
FR7918998A
Other languages
French (fr)
Other versions
FR2461572A1 (fr
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.)
BOUCHET PLASTIQUES
Original Assignee
BOUCHET PLASTIQUES
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 BOUCHET PLASTIQUES filed Critical BOUCHET PLASTIQUES
Priority to FR7918998A priority Critical patent/FR2461572A1/fr
Publication of FR2461572A1 publication Critical patent/FR2461572A1/fr
Application granted granted Critical
Publication of FR2461572B1 publication Critical patent/FR2461572B1/fr
Granted 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
    • C08J9/24—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
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • C08J2325/00—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 an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene

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)
  • Road Paving Structures (AREA)
FR7918998A 1979-07-24 1979-07-24 Procede de fabrication d'agglomerats legers et permeables a partir de particules de base non spheriques en polystyrene expanse Granted FR2461572A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7918998A FR2461572A1 (fr) 1979-07-24 1979-07-24 Procede de fabrication d'agglomerats legers et permeables a partir de particules de base non spheriques en polystyrene expanse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918998A FR2461572A1 (fr) 1979-07-24 1979-07-24 Procede de fabrication d'agglomerats legers et permeables a partir de particules de base non spheriques en polystyrene expanse

Publications (2)

Publication Number Publication Date
FR2461572A1 FR2461572A1 (fr) 1981-02-06
FR2461572B1 true FR2461572B1 (OSRAM) 1985-05-10

Family

ID=9228201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7918998A Granted FR2461572A1 (fr) 1979-07-24 1979-07-24 Procede de fabrication d'agglomerats legers et permeables a partir de particules de base non spheriques en polystyrene expanse

Country Status (1)

Country Link
FR (1) FR2461572A1 (OSRAM)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1297892A (fr) * 1961-05-26 1962-07-06 Procédé de traitement du polystyrène expansé et nouvelle matière ainsi obtenue
FR1386720A (fr) * 1963-03-04 1965-01-22 Sicedison Spa Procédé de préparation de substances expansibles thermoplastiques synthétiques, et d'obtention d'articles formés poreux à partir de ces substances
FR1506460A (fr) * 1966-11-03 1967-12-22 Saint Gobain Matériaux de construction

Also Published As

Publication number Publication date
FR2461572A1 (fr) 1981-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse