BE723722R - Procédé pour l'obtention de perles en polystyrène expansé - Google Patents

Procédé pour l'obtention de perles en polystyrène expansé

Info

Publication number
BE723722R
BE723722R BE723722A BE723722A BE723722R BE 723722 R BE723722 R BE 723722R BE 723722 A BE723722 A BE 723722A BE 723722 A BE723722 A BE 723722A BE 723722 R BE723722 R BE 723722R
Authority
BE
Belgium
Prior art keywords
expanded polystyrene
polystyrene beads
obtaining expanded
obtaining
beads
Prior art date
Application number
BE723722A
Other languages
English (en)
Inventor
Jean Battigelli
Original Assignee
Saint Gobain
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
Priority claimed from FR13184A external-priority patent/FR1440075A/fr
Application filed by Saint Gobain filed Critical Saint Gobain
Application granted granted Critical
Publication of BE723722R publication Critical patent/BE723722R/fr

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
    • B29C44/34—Auxiliary operations
    • B29C44/3461—Making or treating 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/09—Pre-expansion of foamed polystyrene
BE723722A 1965-04-14 1968-11-12 Procédé pour l'obtention de perles en polystyrène expansé BE723722R (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR13184A FR1440075A (fr) 1965-04-14 1965-04-14 Procédé pour l'obtention de perles en polystyrène expansé
FR128060A FR93618E (fr) 1965-04-14 1967-11-14 Procédé pour l'obtention de perles en polystyrene expansé.

Publications (1)

Publication Number Publication Date
BE723722R true BE723722R (fr) 1969-05-12

Family

ID=26180754

Family Applications (1)

Application Number Title Priority Date Filing Date
BE723722A BE723722R (fr) 1965-04-14 1968-11-12 Procédé pour l'obtention de perles en polystyrène expansé

Country Status (11)

Country Link
US (1) US3723362A (fr)
AT (1) AT310432B (fr)
BE (1) BE723722R (fr)
CH (1) CH491974A (fr)
DE (1) DE1805873A1 (fr)
ES (1) ES360272A2 (fr)
FR (1) FR93618E (fr)
GB (1) GB1245447A (fr)
IE (1) IE33105B1 (fr)
LU (1) LU57299A1 (fr)
NL (1) NL149521B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1552124A (fr) * 1967-11-14 1969-01-03
US3957936A (en) * 1971-07-22 1976-05-18 Raduner & Co., Ag High temperature process for modifying thermoplastic filamentous material
US3883624A (en) * 1971-11-18 1975-05-13 Grandview Ind Limited Recovery and utilization of scrap in production of foamed thermoplastic polymeric products
US4360484A (en) * 1981-04-03 1982-11-23 The Dow Chemical Company Pressurization and storage of thermoplastic resin foams prior to secondary expansion
US4820801A (en) * 1985-11-02 1989-04-11 Tosoh Corp. Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount
US4790967A (en) * 1986-09-12 1988-12-13 Compex Expanders S.A.R.L. Method and apparatus for expanding loose fill material, such as expandable polystrene pellets
DE68913235T2 (de) * 1988-06-23 1994-07-14 Casco Nobel Ab Verfahren und Vorrichtung zur Herstellung expandierbarer thermoplastischer Mikrokugeln.
US20150076726A1 (en) * 2013-09-16 2015-03-19 National Gypsum Company Process for expanding small diameter polystyrene beads for use in cementitious board
US9499980B2 (en) 2013-09-16 2016-11-22 National Gypsum Properties, Llc Lightweight cementitious panel possessing high durability background
WO2017127007A1 (fr) 2016-01-20 2017-07-27 Poypeptide Laboratories Holding (Ppl) Ab Procédé de préparation de peptides avec un lieur pswang

Also Published As

Publication number Publication date
NL6813256A (fr) 1969-05-19
US3723362A (en) 1973-03-27
IE33105B1 (en) 1974-03-20
DE1805873A1 (de) 1969-06-26
CH491974A (fr) 1970-06-15
LU57299A1 (fr) 1969-07-04
AT310432B (de) 1973-09-25
GB1245447A (en) 1971-09-08
ES360272A2 (es) 1970-07-01
IE33105L (en) 1969-05-14
FR93618E (fr) 1969-04-25
NL149521B (nl) 1976-05-17

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