Rigid, water-resistant phosphate ceramic materials and process f

Details Rigid, water-resistant phosphate ceramic materials and process f Rigid, water-resistant phosphate ceramic materials and process f

1988-10-06

1990-10-02

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Pore-forming

501 85, 501123, 501111, 501127, 501153, 106602, C04B 2100

Patent

active

RE0333662

ABSTRACT:
The present invention concerns rigid, water-resistant phosphate ceramic materials which may be prepared from components comprising metal oxide, calcium silicate, and phosphoric acid. By prereacting a portion of the metal oxide with the phosphoric acid and/or by adjusting the temperature of the acid solution when it is combined with the other ingredients, the character of the resulting product can be controlled to give foamed or unfoamed phosphate ceramic material.

REFERENCES:
patent: 2966421 (1960-12-01), Zimmerman et al.
patent: 2992930 (1961-07-01), Wheeler et al.
patent: 3148996 (1964-09-01), Vukasovich et al.
patent: 3223537 (1965-12-01), Wiegert et al.
patent: 3330675 (1967-07-01), Magder
patent: 4207113 (1980-06-01), Yoshino et al.

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