Low sintering cordierite powder composition

Details Low sintering cordierite powder composition Low sintering cordierite powder composition

1991-05-06

1992-12-22

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501119, C03C 300, C03C 1008

Patent

active

051734559

ABSTRACT:
A Group IIA metal-Group IIIA metal-silicon substantially homogeneous liquid alkoxide is prepared from a reaction mixture of a Group IIA metal, a Group IIIA metal, a silicon tetraalkoxide, and a liquid defined by the formula ROR' where R is an alkyl group and R' is hydrogen or an alkyl group. The alkoxide can then be hydrolyzed, azeotropically distilled, dried, milled, and calcined to produce a ceramic powder. Advantageously, the ceramic powder can be compacted and sintered at relatively low temperatures which enable it to be used in electrical applications where high sintering temperatures would be deleterious.

REFERENCES:
patent: 3761500 (1973-09-01), Thomas
patent: 3791808 (1974-02-01), Thomas
patent: 3920713 (1975-11-01), Feichtinger
patent: 4266978 (1981-05-01), Prochazka
patent: 4413061 (1983-11-01), Kumar
patent: 4888314 (1989-12-01), Bernier et al.
New Routes to Multicomponent Oxide Glasses by Dislich, Angewandte, Chemie, International Edition, vol. 10, No. 6, Jun. 1971, pp. 363-434.

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