CHEMICALLY DURABLE, LITHIUM-FREE GLASS COMPOSITIONS

Chemically durable glass compositions are disclosed. In embodiments, the glass composition includes: 48 mol. % to 61 mol. % SiO2; 0 mol. % to 1 mol. % Al2O3; 7 mol. % to 20 mol. % B2O3; 9 mol. % to 16 mol. % R2O, where R2O is a sum of alkali oxides present in the glass composition; 9 mol. % to 15 mo...

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Bibliographische Detailangaben
Hauptverfasser:	BOTU, Venkatesh, TANDIA, Adama, VARGHEESE, Kochuparambil Deenamma, DEJNEKA, Matthew John, LÖNNROTH, Nadja Teresia
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	Chemically durable glass compositions are disclosed. In embodiments, the glass composition includes: 48 mol. % to 61 mol. % SiO2; 0 mol. % to 1 mol. % Al2O3; 7 mol. % to 20 mol. % B2O3; 9 mol. % to 16 mol. % R2O, where R2O is a sum of alkali oxides present in the glass composition; 9 mol. % to 15 mol. % Na2O; and 8 mol. % to 21 mol. % ZnO. The glass composition may be substantially free of Li2O. RO (mol. %)