ORIENTED COMPOSITE POLYESTER FILM

Disclosed herein is an oriented composite polyester film comprising at least three layers, wherein at least one inner layer comprises a polyester containing a bleedable substance, and the two outermost layers comprises a polyester containing no bleedable substance. Although a composite film of the p...

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Bibliographische Detailangaben
1. Verfasser:	UTSUMI, SHIGEO
Format:	Patent
Sprache:	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:	Disclosed herein is an oriented composite polyester film comprising at least three layers, wherein at least one inner layer comprises a polyester containing a bleedable substance, and the two outermost layers comprises a polyester containing no bleedable substance. Although a composite film of the present invention contains a bleedable substance, the amount of substance bleed out of the film is very small, and the properties provided by the bleedable substance are hardly deteriorated during the production or the use of the film. Thus, the composite film of the present invention is suitable for use in various industries.