HONEYCOMB BASE MATERIAL FOR EXHAUST GAS CLEANING CATALYTIC CONVERTER HAVING EXCELLENT OXIDATION RESISTANCE AT HIGH TEMPERATURE AND CATALYTIC CONVERTER FOR CLEANING EXHAUST GAS

摘要

PROBLEM TO BE SOLVED: To provide a metallic honeycomb base material for an exhaust gas cleaning catalytic converter having excellent oxidation resistance at high temperature, the durability of which can be improved at higher temperature even when a rare earth metal component, an alkaline-earth metal component, a group 4A metal component or a group 5A metal component is added to a catalyst layer and to provide the catalytic converter for cleaning exhaust gas.

SOLUTION: The honeycomb base material for the exhaust gas cleaning catalytic converter having excellent oxidation resistance at high temperature is a metallic honeycomb base material obtained by fabricating stainless steel foil on the surface of which a film of a precursor is formed. This metallic honeycomb base material is used in the catalytic converter for cleaning exhaust gas.

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