Impregnating porous inorganic membrane with reactive inorganic b

Details Impregnating porous inorganic membrane with reactive inorganic b Impregnating porous inorganic membrane with reactive inorganic b

1990-12-28

1992-06-09

Bell, Janyce

Coating processes

Foraminous product produced

Microporous coating

427247, 427253, 427380, 4274192, 4274193, 4274197, B05D 500

Patent

active

051205769

ABSTRACT:
A process for forming a porous inorganic membrane on a porous support is provided. The support is coated with refractory particles which sinter at a first temperature. The coating then is impregnated with an inorganic binder which reacts at a second temperature, lower than the first temperature. The impregnated, coated support then is processed at a temperature at least as high as the second temperature, but less than the first temperature.

REFERENCES:
patent: 4390455 (1983-06-01), Henne et al.
patent: 4692354 (1987-09-01), Asaeda et al.
patent: 4738874 (1988-04-01), Berardo et al.
patent: 4880544 (1989-11-01), Barone
patent: 4980069 (1990-12-01), Gauger

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