PT71334A - Process for the manufacture of moldings from synthetic foamable thermoplastic materials - Google Patents

Process for the manufacture of moldings from synthetic foamable thermoplastic materials

Info

Publication number
PT71334A
PT71334A PT71334A PT7133480A PT71334A PT 71334 A PT71334 A PT 71334A PT 71334 A PT71334 A PT 71334A PT 7133480 A PT7133480 A PT 7133480A PT 71334 A PT71334 A PT 71334A
Authority
PT
Portugal
Prior art keywords
moldings
synthetic
manufacture
thermoplastic materials
foamable thermoplastic
Prior art date
Application number
PT71334A
Other languages
Portuguese (pt)
Original Assignee
Civag Ag
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 Ag filed Critical Civag Ag
Publication of PT71334A publication Critical patent/PT71334A/en

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)
PT71334A 1979-05-31 1980-05-30 Process for the manufacture of moldings from synthetic foamable thermoplastic materials PT71334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792922315 DE2922315A1 (en) 1979-05-31 1979-05-31 METHOD FOR PRODUCING FOAMABLE THERMOPLASTIC PLASTICS

Publications (1)

Publication Number Publication Date
PT71334A true PT71334A (en) 1980-06-01

Family

ID=6072228

Family Applications (1)

Application Number Title Priority Date Filing Date
PT71334A PT71334A (en) 1979-05-31 1980-05-30 Process for the manufacture of moldings from synthetic foamable thermoplastic materials

Country Status (13)

Country Link
JP (1) JPS5628836A (en)
BE (1) BE883586A (en)
BR (1) BR8003418A (en)
DE (1) DE2922315A1 (en)
ES (1) ES492029A0 (en)
FR (1) FR2457881A1 (en)
GB (1) GB2051073A (en)
IL (1) IL60200A0 (en)
IT (1) IT1140984B (en)
MA (1) MA18863A1 (en)
NL (1) NL8003137A (en)
PT (1) PT71334A (en)
SE (1) SE8004058L (en)

Also Published As

Publication number Publication date
GB2051073A (en) 1981-01-14
BE883586A (en) 1980-09-15
FR2457881B3 (en) 1982-05-21
DE2922315A1 (en) 1981-02-05
FR2457881A1 (en) 1980-12-26
SE8004058L (en) 1980-12-01
JPS5628836A (en) 1981-03-23
BR8003418A (en) 1981-01-05
ES8102167A1 (en) 1980-12-16
ES492029A0 (en) 1980-12-16
NL8003137A (en) 1980-12-02
IT1140984B (en) 1986-10-10
IT8022470A0 (en) 1980-05-30
MA18863A1 (en) 1980-12-31
IL60200A0 (en) 1980-07-31

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