Polymeric film containing heat sealable and substrate layers

A drawn polymeric film comprising an amorphous heat-sealable layer (2) and a substrate layer (1), said heat-sealable layer (2) being a heat-sealable layer comprising a copolyester of an aliphatic diol and a cycloaliphatic diol with one or more dicarboxylic acid(s), and said substrate layer (1) being...

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Bibliographische Detailangaben
1. Verfasser:	W.J. BRENNAN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A drawn polymeric film comprising an amorphous heat-sealable layer (2) and a substrate layer (1), said heat-sealable layer (2) being a heat-sealable layer comprising a copolyester of an aliphatic diol and a cycloaliphatic diol with one or more dicarboxylic acid(s), and said substrate layer (1) being an oriented substrate layer comprising a copolyester of terephthalic acid (TPA) and isophthalic acid (IPA) with one or more diol(s) selected from the group consisting of aliphatic and cycloaliphatic diols; and the use thereof as a coating layer on a metal sheet (4).