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BE883586A - Procede pour la fabrication de pieces moulees en matiere thermoplastique moussante - Google Patents

Procede pour la fabrication de pieces moulees en matiere thermoplastique moussante

Info

Publication number
BE883586A
BE883586A BE0/200852A BE200852A BE883586A BE 883586 A BE883586 A BE 883586A BE 0/200852 A BE0/200852 A BE 0/200852A BE 200852 A BE200852 A BE 200852A BE 883586 A BE883586 A BE 883586A
Authority
BE
Belgium
Prior art keywords
manufacture
thermoplastic material
molded parts
foamed thermoplastic
foamed
Prior art date
Application number
BE0/200852A
Other languages
English (en)
Inventor
R Weidner
Original Assignee
Civag A G Inst Fur Verpackungs
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 Civag A G Inst Fur Verpackungs filed Critical Civag A G Inst Fur Verpackungs
Publication of BE883586A publication Critical patent/BE883586A/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
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene
    • 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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Molding Of Porous Articles (AREA)
BE0/200852A 1979-05-31 1980-05-30 Procede pour la fabrication de pieces moulees en matiere thermoplastique moussante BE883586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792922315 DE2922315A1 (de) 1979-05-31 1979-05-31 Verfahren zur herstellung von schaeumbaren thermoplastischen kunststoffen

Publications (1)

Publication Number Publication Date
BE883586A true BE883586A (fr) 1980-09-15

Family

ID=6072228

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/200852A BE883586A (fr) 1979-05-31 1980-05-30 Procede pour la fabrication de pieces moulees en matiere thermoplastique moussante

Country Status (13)

Country Link
JP (1) JPS5628836A (fr)
BE (1) BE883586A (fr)
BR (1) BR8003418A (fr)
DE (1) DE2922315A1 (fr)
ES (1) ES8102167A1 (fr)
FR (1) FR2457881A1 (fr)
GB (1) GB2051073A (fr)
IL (1) IL60200A0 (fr)
IT (1) IT1140984B (fr)
MA (1) MA18863A1 (fr)
NL (1) NL8003137A (fr)
PT (1) PT71334A (fr)
SE (1) SE8004058L (fr)

Also Published As

Publication number Publication date
ES492029A0 (es) 1980-12-16
FR2457881B3 (fr) 1982-05-21
IL60200A0 (en) 1980-07-31
ES8102167A1 (es) 1980-12-16
NL8003137A (nl) 1980-12-02
FR2457881A1 (fr) 1980-12-26
IT1140984B (it) 1986-10-10
JPS5628836A (en) 1981-03-23
MA18863A1 (fr) 1980-12-31
SE8004058L (sv) 1980-12-01
PT71334A (en) 1980-06-01
IT8022470A0 (it) 1980-05-30
BR8003418A (pt) 1981-01-05
DE2922315A1 (de) 1981-02-05
GB2051073A (en) 1981-01-14

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