METHOD OF MANUFACTURING ACRYLIC RESIN FILM

To provide a method of manufacturing an acrylic resin film capable of manufacturing the acrylic resin film excellent in thickness accuracy even when a film forming speed is increased in a method of manufacturing the acrylic resin film by a melt extrusion method.SOLUTION: In the method of manufacturi...

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Bibliographische Detailangaben
Hauptverfasser:	SUGII HIROAKI, TAKEDA HIDEAKI, IGUCHI TOSHIYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	To provide a method of manufacturing an acrylic resin film capable of manufacturing the acrylic resin film excellent in thickness accuracy even when a film forming speed is increased in a method of manufacturing the acrylic resin film by a melt extrusion method.SOLUTION: In the method of manufacturing an acrylic resin film by a melt extrusion method, a speed (V) at which a melt of a resin composition containing an acrylic polymer having a multilayer structure is extruded from a die and a take-up speed (V) of a film made of the resin composition satisfy the following formula (1). V/V≤15 formula (1)SELECTED DRAWING: None 【課題】溶融押出法によりアクリル系樹脂フィルムを製造する方法において、製膜速度を高くした場合でも厚み精度に優れるアクリル系樹脂フィルムを製造することが可能なアクリル系樹脂フィルムの製造方法を提供する。【解決手段】溶融押出法によるアクリル系樹脂フィルムの製造方法であって、多層構造を有するアクリル系重合体を含有する樹脂組成物の溶融物がダイから押出される速度（Ｖ１）と、前記樹脂組成物からなるフィルムの引取り速度（Ｖ２）が下記式（１）を満たすことを特徴とするアクリル系樹脂フィルムの製造方法。Ｖ２／Ｖ１≦１５式（１）【選択図】なし