COMPOSITE THERMOPLASTIC FILM AND THE MANUFACTURING METHOD THEREOF

A composite thermoplastic film and the manufacturing method are provided in the present invention. The method includes: providing a first structural layer and a second structural layer; performing a co-extrusion step to form a composite layer, in which to use a first extruding machine to perform the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHIANG, CHIIN, LIN, CHIH-YI, TAI, WEN-HSIN, CHENG, KUO-KUANG
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A composite thermoplastic film and the manufacturing method are provided in the present invention. The method includes: providing a first structural layer and a second structural layer; performing a co-extrusion step to form a composite layer, in which to use a first extruding machine to perform the co-extrusion step, so the first structural layer is divided into a first thermal fuse film and a third thermal fuse film, and use a second extruding machine to perform the co-extrusion step, so the second structural layer is formed as a second thermal fuse film and disposed between the first thermal fuse film and the third thermal fuse film to form a composite layer; and performing a film-forming step, the composite layer is cooled to form a film through a forming wheel, and a rotating speed of the forming wheel can be controlled to acquire a desired thickness of the composite thermoplastic film.