PLUGGING MATERIAL FOR ALUMINUM TITANATE CERAMIC WALL FLOW FILTER MANUFACTURE

摘要

Disclosed are plugging mixtures for a ceramic wall flow filter, comprising an aluminum titanate precursor reactive batch composition including an alumina source, a silica source, and a titania source; a sintering aid; an organic binder; and a liquid vehicle. Also disclosed are ceramic wall flow filters comprised of end plugs formed from the plugging mixtures of the present invention and methods for the manufacture thereof.