Ceramic honeycomb catalyst having excellent thermal shock resist

Details Ceramic honeycomb catalyst having excellent thermal shock resist Ceramic honeycomb catalyst having excellent thermal shock resist

1997-03-20

1998-12-08

Bell, Mark L.

Catalyst, solid sorbent, or support therefor: product or process

Miscellaneous

502527, 502 1, 428116, 428117, 428118, 501 9, B01J 3300, B01J 2104, C03C 1008, B32B 312

Patent

active

058468994

ABSTRACT:
A ceramic honeycomb catalyst having an excellent thermal shock resistance in which a carrier is coated on a ceramic honeycomb structural body, has a mean thermal expansion coefficient in a range from 40.degree. to 800.degree. C. of smaller than 0.7.times.10.sup.-6 /.degree.C. Therefore, it is possible to obtain a ceramic honeycomb catalyst having excellent thermal shock resistance in which a mechanical strength of a ceramic honeycomb structural body to which a carrier such as .gamma.-alumina is coated is not decreased and the carrier is not peeled off from the ceramic honeycomb structural body.

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