MULTILAYER ARTICLES COMPRISING POLYCARBONATE AND POLYPROPYLENE AND METHOD FOR THEIR PREPARATION

Disclosed are multilayer articles comprising (i) at least one polycarbonate layer, wherein the polycarbonate comprises structural units derived from at least one dihydroxy aromatic hydrocarbon; (ii) at least one polypropylene layer; and (iii) a tielayer between the polycarbonate layer and the polypr...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, HUA, TRYSON, GLEN, ROBERT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	Disclosed are multilayer articles comprising (i) at least one polycarbonate layer, wherein the polycarbonate comprises structural units derived from at least one dihydroxy aromatic hydrocarbon; (ii) at least one polypropylene layer; and (iii) a tielayer between the polycarbonate layer and the polypropylene layer, wherein the tielayer comprises a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene. Also disclosed are film pre-assemblies comprising a tielayer and either a polycarbonate or a polypropylene layer. Methods to make articles and pre-assemblies are also disclosed. Cette invention concerne des articles multicouches comprenant (i) au moins une couche de polycarbonate, lequel polycarbonate comprend des unités structurelles dérivées d'au moins un hydrocarbure aromatique dihydroxy; (ii) au moins une couche de polypropylène; et (iii) au moins une couche de liaison disposée entre la couche de polycarbonate et la couche de polypropylène, laquelle couche de liaison comprend un copolymère à unités structurelles dérivées d'au moins un composé aromatique alcényle et d'au moins un diène conjugué. Cette invention concerne également des ensembles préliminaires en film comprenant une couche de liaison et soit une couche de polycarbonate, soit une couche de polypropylène. Cette invention concerne enfin des procédés de fabrication de ces articles et de ces ensembles préliminaires.