PROCESS FOR PRODUCING ALKALI METAL-RICH ALUMINOSILICATE GLASSES, ALKALI METAL-RICH ALUMINOSILICATE GLASSES AND USE THEREOF

PROCESS FOR PRODUCING ALKALI METAL-RICH ALUMINOSILICATE GLASSES, ALKALI METAL-RICH ALUMINOSILICATE GLASSES AND USE THEREOF

The invention relates to a process for producing alkali metal-rich aluminosilicate glasses having a content (in mol % based on oxide) of alkali metal oxides of 4-16 mol %, of Al2O3 of at least 4 mol % and of B2O3 of 0-4 mol %, wherein 0.15 mol % to 0.9 mol % of chloride(s) and at least one refining...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EICHHOLZ, Rainer, KASS, Christof
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:The invention relates to a process for producing alkali metal-rich aluminosilicate glasses having a content (in mol % based on oxide) of alkali metal oxides of 4-16 mol %, of Al2O3 of at least 4 mol % and of B2O3 of 0-4 mol %, wherein 0.15 mol % to 0.9 mol % of chloride(s) and at least one refining agent from the group of sulfate(s) (reported as SO3), CeO2 are added to the glass batch and wherein the sum total of refining agents added in the batch is 0.17 mol % to 1.3 mol %.