Patent ID: 7851041
Filing Date: 2010-12-14
Classification: B01D,Y10T

Abstract:
1. A honeycomb structure, comprising: a plurality of honeycomb units bonded together by a sealing material layer, each of the honeycomb units comprising a plurality of through-holes separated by a plurality of partition walls and provided in parallel along a longitudinal direction of the honeycomb units, all of the through-holes being open on an end face of the honeycomb unit, wherein a surface roughness Ra of an outer surface of the honeycomb structure is greater than or equal to 1 μm and less than or equal to 50 μm; wherein each of the honeycomb units comprises a first component having ceramic particles and a second component chosen from inorganic fibers, inorganic whiskers and a combination thereof, the material of the inorganic fibers and inorganic whiskers being chosen from alumina, silica, silicon carbide, silica alumina, potassium titanate, and aluminum borate; and wherein an area of a cross section of one of the honeycomb units perpendicular to the longitudinal direction of the one of the honeycomb units is greater than or equal to about 5 cm