Zeolite-coatable metallic foil process for producing the metalli

Details Zeolite-coatable metallic foil process for producing the metalli Zeolite-coatable metallic foil process for producing the metalli

1996-08-05

1999-02-23

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

427318, 4274192, 428118, 428469, 428472, 428697, 428699, 428701, 428702, B32B 312

Patent

active

058741534

ABSTRACT:
A zeolite-coatable metallic foil, in particular in the form of a honeycomb body, is formed of a steel containing chromium and/or aluminum and having a surface. An oxide layer covers the surface. A ceramic washcoat on the oxide layer acts as a bonding layer for receiving a zeolite layer. A process for producing a metallic foil coated with zeolite, in particular in the form of a honeycomb body, includes oxidizing a steel foil containing chromium and/or aluminum to form a finely grained aluminum oxide layer on a surface. A ceramic washcoat acting as a bonding layer is applied to the oxide layer. A zeolite layer is applied to the ceramic bonding layer.

REFERENCES:
patent: 3903341 (1975-09-01), Gerhold
patent: 4247422 (1981-01-01), Davies
patent: 4293447 (1981-10-01), Inaba et al.
patent: 5114901 (1992-05-01), Tsang et al.
patent: 5120694 (1992-06-01), Dunne et al.
patent: 5571485 (1996-11-01), Brunson

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