CH447598A - Method and device for foaming thermoplastics - Google Patents

Method and device for foaming thermoplastics

Info

Publication number
CH447598A
CH447598A CH1319864A CH1319864A CH447598A CH 447598 A CH447598 A CH 447598A CH 1319864 A CH1319864 A CH 1319864A CH 1319864 A CH1319864 A CH 1319864A CH 447598 A CH447598 A CH 447598A
Authority
CH
Switzerland
Prior art keywords
thermoplastics
foaming
foaming thermoplastics
Prior art date
Application number
CH1319864A
Other languages
German (de)
Inventor
Peter Dr Pinten
Michael Dipl Ing Wienand
Original Assignee
Dynamit Nobel 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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of CH447598A publication Critical patent/CH447598A/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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

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)
  • Sealing Material Composition (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1319864A 1963-10-14 1964-10-12 Method and device for foaming thermoplastics CH447598A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0042706 1963-10-14

Publications (1)

Publication Number Publication Date
CH447598A true CH447598A (en) 1967-11-30

Family

ID=7047054

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1319864A CH447598A (en) 1963-10-14 1964-10-12 Method and device for foaming thermoplastics

Country Status (12)

Country Link
BE (1) BE654348A (en)
CH (1) CH447598A (en)
DE (1) DE1504148A1 (en)
DK (1) DK113531B (en)
ES (1) ES304868A1 (en)
FI (1) FI43119C (en)
FR (1) FR1411467A (en)
GB (1) GB1084746A (en)
IL (1) IL22245A (en)
LU (1) LU47142A1 (en)
NL (1) NL6411882A (en)
SE (1) SE318099B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2158673C3 (en) * 1971-11-26 1975-05-15 Dynamit Nobel Ag, 5210 Troisdorf Method and device for the continuous production of webs from foamed thermoplastic material
US3987134A (en) * 1972-05-25 1976-10-19 The Furukawa Electric Co., Ltd. Manufacture of foamed compartmented structures
DE2236779A1 (en) * 1972-07-26 1974-02-07 Wacker Chemie Gmbh METHOD AND DEVICE FOR PRODUCING FOAMED PROFILES FROM THERMOPLASTICS WITH LOW DENSITY
US3954929A (en) * 1973-10-11 1976-05-04 The Dow Chemical Company Method and apparatus for the extrusion of foamable thermoplastic materials
US4044084A (en) * 1975-08-11 1977-08-23 Phipps Arthur L Method of removing an article from a chamber having a reduced pressure therein
GB2609260B (en) * 2021-07-27 2024-08-28 Kingspan Holdings Irl Ltd Producing foam bodies

Also Published As

Publication number Publication date
DK113531B (en) 1969-03-31
FI43119C (en) 1971-01-11
GB1084746A (en) 1967-09-27
ES304868A1 (en) 1965-04-01
NL6411882A (en) 1965-04-15
FR1411467A (en) 1965-09-17
SE318099B (en) 1969-12-01
FI43119B (en) 1970-10-01
LU47142A1 (en) 1965-01-15
DE1504148A1 (en) 1969-09-25
IL22245A (en) 1968-01-25
BE654348A (en) 1965-02-01

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