Embodiments of glass articles exhibiting a sag temperature in a range from about 600° C. to about 710° C. are disclosed. In one or more embodiments, the glass article includes a glass composition including SiO2 in an amount in the range from about 67 mol % to about 80 mol %, Al2O3 in an amount in the range from about 5 mol % to about 11 mol %, an amount of alkali metal oxides (R2O) in a range from about 5 mol % to about 27 mol %, wherein the amount of R2O comprises Li2O in an amount in range from about 0.25 mol % to about 4 mol % and K2O in an amount equal to or less than 3 mol %, a non-zero amount of MgO, and a non-zero amount of ZnO. In some instances, the glass composition is substantially free of Li2O. Laminates including the glass articles and methods for forming such laminates are also disclosed.
AUTOMOTIVE GLASS COMPOSITIONS, ARTICLES AND LAMINATES
31.05.2018
Patent
Elektronische Ressource
Englisch
IPC: | C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / 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 |
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