A window assembly for a vehicle having an essentially chlorine-free modified polyolefin primer (24) disposed onto a transparent pane (12) and a two-shot encapsulant applied onto the primer is provided. The two-shot encapsulant includes a first encapsulation layer (22A) disposed on the primer (24) and a second encapsulation layer (22B) disposed on the first encapsulation layer (22A). The first encapsulation layer (22A) has a Shore D hardness of at least 39 and a Flexural modulus of at least 100 MPa, while the second encapsulation layer (22B) has a Shore A hardness of less than 90.
Encapsulants for window assemblies
2018-04-17
Patent
Elektronische Ressource
Englisch
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
ENCAPSULANTS FOR WINDOW ASSEMBLIES ABSTRACT OF THE DISCLOSURE
Europäisches Patentamt | 2019
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