A tapered interlayer comprising at least one resin layer and a having tapered zone with a wedge angle of at least 0.13 mrad. The first resin layer comprises a first poly(vinyl acetal) resin and at least one RI balancing agent. The refractive index of the first resin layer is at least 1.480.
Poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced optical properties
2020-06-30
Patent
Electronic Resource
English
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 / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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