POLYESTER FILM

The objective of the invention is to solve the problems described above. Specifically, the invention aims to provide highly heat resistant and dimensionally stable polyester film that is so high in formability as to maintain a low stress and a high ductility during forming processes. The invention p...

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Bibliographische Detailangaben
Hauptverfasser:	MANABE, Isao, KIMURA, Masahiro, TANAKA, Teruya
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The objective of the invention is to solve the problems described above. Specifically, the invention aims to provide highly heat resistant and dimensionally stable polyester film that is so high in formability as to maintain a low stress and a high ductility during forming processes. The invention provides a polyester film comprising ethylene glycol component that accounts for 60 mol% or more of the glycol components in the polyester film, containing a crystal nucleating agent up to 0.01 to 5 mass% relative to the entire polyester film that accounts for 100 mass%, and having a crystal melting energy, Hm, of 5 to 35 J/g.