ES338493A1 - Procedimiento de produccion de una pelicula termoplastica celular y orientada mediante la extrusion de una mezcla de resina termoplastica y de agente espumante. - Google Patents

Procedimiento de produccion de una pelicula termoplastica celular y orientada mediante la extrusion de una mezcla de resina termoplastica y de agente espumante.

Info

Publication number
ES338493A1
ES338493A1 ES338493A ES338493A ES338493A1 ES 338493 A1 ES338493 A1 ES 338493A1 ES 338493 A ES338493 A ES 338493A ES 338493 A ES338493 A ES 338493A ES 338493 A1 ES338493 A1 ES 338493A1
Authority
ES
Spain
Prior art keywords
film
blowing agent
polymer
azodicarbonamide
foamed
Prior art date
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
ES338493A
Other languages
English (en)
Spanish (es)
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of ES338493A1 publication Critical patent/ES338493A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/507—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 extruding the compound through an annular die

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ES338493A 1966-04-22 1967-03-27 Procedimiento de produccion de una pelicula termoplastica celular y orientada mediante la extrusion de una mezcla de resina termoplastica y de agente espumante. Expired ES338493A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54436166A 1966-04-22 1966-04-22

Publications (1)

Publication Number Publication Date
ES338493A1 true ES338493A1 (es) 1968-04-16

Family

ID=24171862

Family Applications (1)

Application Number Title Priority Date Filing Date
ES338493A Expired ES338493A1 (es) 1966-04-22 1967-03-27 Procedimiento de produccion de una pelicula termoplastica celular y orientada mediante la extrusion de una mezcla de resina termoplastica y de agente espumante.

Country Status (5)

Country Link
JP (1) JPS5019593B1 (OSRAM)
BE (1) BE697350A (OSRAM)
DE (1) DE1704910C3 (OSRAM)
ES (1) ES338493A1 (OSRAM)
GB (1) GB1174984A (OSRAM)

Also Published As

Publication number Publication date
GB1174984A (en) 1969-12-17
DE1704910A1 (de) 1972-03-09
DE1704910B2 (de) 1973-10-25
BE697350A (OSRAM) 1967-10-23
DE1704910C3 (de) 1974-05-30
JPS5019593B1 (OSRAM) 1975-07-08

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