High porosity ceramic materials and method for making same

Details High porosity ceramic materials and method for making same High porosity ceramic materials and method for making same

1982-08-18

1984-05-08

Poer, James

Compositions: ceramic

Ceramic compositions

Pore-forming

501129, 501133, C04B 2100

Patent

active

044475489

ABSTRACT:
A method for producing a high porosity ceramic material characterized by the steps of: (1) wetting a finely divided, non-crystalline, amorphous silica with a wetting agent; (2) combining the wetted silica with a ceramic slip to produce a mixture; and (3) removing the majority of the wetting agent to produce a solid, low-density, highly porous bisque. The bisque if preferably partially covered with an impermeable coating, and an aromatic fluid is applied to an exposed surface of the bisque for absorption into the body of the bisque.

REFERENCES:
patent: 4118450 (1928-10-01), Nakamura et al.

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