Process of producing porous ceramics

Details Process of producing porous ceramics Process of producing porous ceramics

1990-07-10

1992-01-21

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264 63, 264 66, C04B 3564

Patent

active

050826077

ABSTRACT:
A process of producing a porous ceramic by mixing a ceramic powder, a polymerizable unsaturated compund, an emulsifying agent, and water with stirring to provide an inverted emulsion, radical-polymerizing or redox-polymerizing the polymerizable unsaturated compound in the inverted emulsion to cure the inverted emulsion, and, then, drying and firing the cured product thus obtained. The porous ceramics obtained by this invention are useful as filters, adsorbents, catalyst carriers, refractory heat insulating materials, sound absorbers and building materials.

REFERENCES:
patent: 2850396 (1958-09-01), Fischer
patent: 3256219 (1966-06-01), Will
patent: 3390212 (1968-06-01), Stelle
patent: 3833386 (1974-09-01), Wood et al.
patent: 3880969 (1975-04-01), Latos
patent: 3929685 (1975-12-01), Jung
patent: 3988405 (1976-10-01), Smith et al.
patent: 3998917 (1976-12-01), Adelman
patent: 4257810 (1981-03-01), Narumiya
patent: 4452905 (1984-06-01), Drinkuth et al.
patent: 4777153 (1988-10-01), Sonuparlak et al.

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