A multilayer film includes 50 or more layers of each of two or more thermoplastic resins having different optical properties are alternately laminated with each other, wherein the average reflectance in a wavelength range of 900 to 1,200 nm is 70% or higher; both of the differences between the a* values (Δa*) and between the b* values (Δb*), respectively, of transmitted light incoming at an angle of 12° and of transmitted light incoming at an angle of 45° are 10 or less; and the multilayer film comprises a bandwidth of not less than 50 nm where the transmittance is 80% or lower in a wavelength range of 400 to 800 nm.
Laminate film and automotive window glass using same
2016-09-27
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 |
GLASS LAMINATE, AUTOMOBILE WINDOW GLASS AND BUILDING WINDOW GLASS
Europäisches Patentamt | 2019
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