Laminated polyester film and method for producing polyester film

The present invention addresses the problem of providing a laminated polyester film which has high reusability and is suitable for processing in a subsequent step. A laminated polyester film has a polyester film and a layer (X) that satisfies the following conditions. Condition 1: 20 < = [gamma]...

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Bibliographische Detailangaben
Hauptverfasser:	YAHIRO KENSUKE, SUZUKI TADAMASA, HIGASHIOJI TAKUJI, TSUBOKURA SHO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing a laminated polyester film which has high reusability and is suitable for processing in a subsequent step. A laminated polyester film has a polyester film and a layer (X) that satisfies the following conditions. Condition 1: 20 < = [gamma] XP < = 45 Condition 2: 3.0 < = [gamma] XH < = 10 [gamma] XP (mN/m): the polar component of the surface free energy of layer X [gamma] XH (mN/m): the hydrogen bond component of the surface free energy of layer X. 本发明的课题在于提供一种再利用性高、适合于后续工序中的加工的层叠聚酯膜。一种层叠聚酯膜，具有聚酯膜、以及满足以下的条件的层X。条件1：20≦γXP≦45条件2：3.0≦γXH≦10γXP(mN/m)：层X的表面自由能的极性成分γXH(mN/m)：层X的表面自由能的氢键成分。