CHEMICALLY DURABLE ALUMINOSILICATE GLASS COMPOSITIONS AND GLASS ARTICLES FORMED THEREFROM

• Main Authors: SCHAUT, Robert Anthony, LÖNNROTH, Nadja Teresia, MA, Lina
• Format: Patent
• Language: English; French; German
• Published: 19.01.2022
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; GLASS; HOUSEHOLD OR TABLE EQUIPMENT; HUMAN NECESSITIES; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; SPICE MILLS; SUCTION CLEANERS IN GENERAL; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

In embodiments, a glass composition may include: greater than or equal to 71 mol. % and less than or equal to 83 mol. % SiO2; greater than or equal to 1 mol. % and less than or equal to 11 mol. % Al2O3; greater than or equal to 5 mol. % and less than or equal to 18 mol. % alkali oxide, the alkali oxide comprising greater than 3 mol. % Li2O and at least one of Na2O and K2O; greater than or equal to 1 mol. % and less than or equal to 8 mol. % alkaline earth oxide, the alkaline earth oxide comprising MgO and at least one of CaO, BaO, and SrO; and at least one of TiO2, ZrO2, HfO2, La2O3 and Y2O3, wherein TiO2+ZrO2+HfO2+La2O3+Y2O3 is greater than 0 mol. % and less than or equal to 6 mol. % and Al2O3+TiO2+ZrO2+HfO2+La2O3+Y2O3 is greater than or equal to 2 mol. % and less than or equal to 12 mol. %.