Novel ceramic material, method for the preparation thereof and c

Details Novel ceramic material, method for the preparation thereof and c Novel ceramic material, method for the preparation thereof and c

1989-03-15

1991-01-01

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Clay containing

501141, 501149, 501150, C04B 3302, C04B 3310

Patent

active

049818244

ABSTRACT:
A novel ceramic material affording a ceramic molded bodies having a high toughness and a high tensile strength is disclosed which comprises a smectite clay mineral having at least a portion of ion-exchangeable cations thereof ion-exchanged with bismuth ions. The ceramic material is prepared by treating a smectite clay mineral with an aqueous solution containing bismuth ions to ion-exchange at least a portion of ion-exchangeable cations thereof with bismuth ions.

REFERENCES:
patent: 2531396 (1950-11-01), Carter
patent: 3671190 (1972-06-01), Neumann
patent: 3816153 (1974-06-01), Zentz, Jr.
patent: 4001362 (1977-01-01), Delmon et al.
patent: 4514510 (1985-04-01), Alexander
patent: 4631091 (1986-12-01), Goodman
patent: 4786620 (1988-11-01), Rittler
Clays and Minerals, vol. 28, No. 4, Apr. 1980, "Reaction of Hydroxy-Bismuth Polycations with Montmorillonite".

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