Folie aus einem thermoplastischen Kunststoffschaum, Verfahren zu ihrer Herstellung sowie ihre Verwendung

A structure 1 produced by extrusion, such as a plastics foam sheet, a board, a profiled element or the like, contains at least 10 % by volume of open cells 2, 4, which have a polyhedral shape and adjoin one another. By using an increased temperature in extrusion, in comparison with the extrusion of...

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Bibliographische Detailangaben
Hauptverfasser: MUNTENDAM, HENDRIK-JAN, DEN HAAG/'S-GRAVENHAGE, NL, VONKEN, HUB, WEERT, NL, HOEVEN, JOS VAN DER, HORN, NL, PIQUE, UDO, HERTEN, NL
Format: Patent
Sprache:ger
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Zusammenfassung:A structure 1 produced by extrusion, such as a plastics foam sheet, a board, a profiled element or the like, contains at least 10 % by volume of open cells 2, 4, which have a polyhedral shape and adjoin one another. By using an increased temperature in extrusion, in comparison with the extrusion of closed-cell thermoplastic structures, the deformation-free opening of the cells is brought about. In that case, webs 3 of cell walls 5, 6 remain unaffected in their shape, whether they have openings 7 or no passages, so that mechanial strength of the cell framework or of the three-dimensional matrix is preserved.