MULTI-LAYER COMPOSITE ARTICLE INCLUDING A COVER LAYER AND A PC/ABS LAYER AND METHODS THEREOF

MULTI-LAYER COMPOSITE ARTICLE INCLUDING A COVER LAYER AND A PC/ABS LAYER AND METHODS THEREOF

The teachings herein are directed to multi-layered articles, methods for making the multi-layered articles, and polymeric compositions for the multi-layered articles. The multi-layered article includes a substrate layer and an overmolded cover layer. The substrate layer preferably is a polymeric com...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Van Riel, Norwin, Lakeman, Pascal E.R.E.J, Hermans, Nicolaas M.A
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
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
WORKING-UP
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Beschreibung
Zusammenfassung:The teachings herein are directed to multi-layered articles, methods for making the multi-layered articles, and polymeric compositions for the multi-layered articles. The multi-layered article includes a substrate layer and an overmolded cover layer. The substrate layer preferably is a polymeric composition including about 55 weight percent or less (preferably about 50 weight percent or less) polycarbonate, a styrene containing polymer, and an impact modifier. The cover layer preferably includes a polyurethane, a polyurea, or both. The substrate preferably forms a durable bond to the cover layer that maintains adhesion even after aging (e.g., heat, thermal cycling, UV light, visible light, humidity, climate aging, or any combination thereof).