Patent ID: 9139479
Filing Date: 2015-09-22
Classification: B01D,B32B,C04B,F01N,Y02T,Y10T

Abstract:
1. A honeycomb structure comprising: a honeycomb body including cells extending axially between first and second opposing end faces of the honeycomb body, the cells comprising intersecting porous walls; a cement mixture deposited over a periphery of the honeycomb body, the cement mixture comprising: the inorganic filler material comprises at least 10% of the total weight of the inorganic solid components of the cement mixture the first coefficient of thermal expansion is less than 50% of the second coefficient of thermal expansion, the crystalline inorganic fibrous material comprises 3% to 10% of the total weight of the inorganic solid components of the cement mixture, wherein the crystalline inorganic fibrous material has an average diameter of from 2 to 10 microns and an average length of from 10 to 50 microns; the crystalline inorganic fibrous material comprises 5% to 15% of the total weight of the inorganic solid components of the cement mixture, wherein the crystalline inorganic fibrous material has an average diameter of from 10 to 20 microns and an average length of from 50 to 100 microns; or the crystalline inorganic fibrous material comprises 10% to 20% of the total weight of the inorganic solid components of the cement mixture, wherein the crystalline inorganic fibrous material has an average diameter of from 20 to 60 microns and an average length of from 100 to 300 microns.