Laminated polyester film

This laminated polyester film comprises: a polyester film; and a resin layer formed from a resin composition and on at least one surface of the polyester film. The laminated polyester film satisfies all of the following requirements (1) to (4). (1) The resin layer has an uneven structure. (2) The re...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IMAI, YUKI, FUNATSU, RYOSUKE, SUGAI, YOTA, NAKAGAWA, YOHEI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:This laminated polyester film comprises: a polyester film; and a resin layer formed from a resin composition and on at least one surface of the polyester film. The laminated polyester film satisfies all of the following requirements (1) to (4). (1) The resin layer has an uneven structure. (2) The resin composition contains the following compounds (A) and (B). (A) One or more types selected from the group consisting of a binder resin and a crosslinking agent. (B) Particles. (3) The content of the particles (B) is 20 mass% or more of the entire amount of non-volatile components in the resin composition. (4) The Kurtosis (Sku) of the resin layer surface is less than 3.0. By forming an ultrafine uneven structure, it is possible to provide a laminated polyester film that exhibits excellent handleability such as when the film is wound into a roll.