Multilayers of polyamide/polyurethane for decorated articles

A polyamide (PA)/polyurethane multilayer structure comprises transparent polyamide-based layer, and layer based on a thermoplastic polyurethane (TPU). The polyamide-based layer comprises polyamide(s) from semi-aromatic or semi-cycloaliphatic polyamides or aliphatic polyamides. Independent claims are...

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Bibliographische Detailangaben
Hauptverfasser:	Lacroix, Christophe, Montanari, Thibaut
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 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:	A polyamide (PA)/polyurethane multilayer structure comprises transparent polyamide-based layer, and layer based on a thermoplastic polyurethane (TPU). The polyamide-based layer comprises polyamide(s) from semi-aromatic or semi-cycloaliphatic polyamides or aliphatic polyamides. Independent claims are also included for: (A) a decorated article comprising an object having bonded there the polyamide/polyurethane multilayer structure and where polyamide layer is on the outside; and (B) a process for forming a structure comprising bonding the polyamide/TPU structure to a polyurethane foam or a polyurethane resin or overmolding the polyurethane foam or the polyurethane resin to the polyamide/TPU structure placed in a mold where the polyamide layer is adjacent to the mold wall.