Method of increasing ceramic paste stiffening/gelation temperature by using a salt and precursor batch

The present invention provides a ceramic precursor batch composition comprising inorganic ceramic-forming ingredients, a binder, an aqueous solvent and a chaotropic agent. The presence of the chaotropic agent provides a composition with a lower viscosity and/or a greater batch stiffening temperature...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DASHER DAVID, DEROSA MICHAEL EDWARD
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	The present invention provides a ceramic precursor batch composition comprising inorganic ceramic-forming ingredients, a binder, an aqueous solvent and a chaotropic agent. The presence of the chaotropic agent provides a composition with a lower viscosity and/or a greater batch stiffening temperature allowing for increased extrusion feedrates. Methods for producing a ceramic honeycomb body using the ceramic precursor batch composition of the present invention are also provided.