Needle shaped monoamine complex of zinc carbonate and process fo

Details Needle shaped monoamine complex of zinc carbonate and process fo Needle shaped monoamine complex of zinc carbonate and process fo

1990-07-23

1992-07-21

Straub, Gary P.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

106419, 106425, 423419R, 423266, 423622, 252518, C01B 3124, C01G 902

Patent

active

051321041

ABSTRACT:
A needle-like monoammine complex of zinc carbonate containing or not containing aluminum useful as a filler or a precursor of needle-like electroconductive zinc oxide, and a process for producing it which comprises steps of dissolving a zinc compound in a solution containing ammonium ion and carbonate ion in the presence or absence of aluminum compound and then lowering pH of the solution to precipitate zinc carbonate.

REFERENCES:
patent: 4282117 (1981-08-01), Muramoto et al.
patent: 4710215 (1987-12-01), Kasai et al.
patent: 4894185 (1990-01-01), Djega-Mariadassou et al.
"Vapor Growth of ZnO Needle Crystals" by Kohei Kodaira et al., Chemistry Letters, pp. 589-590, 1975.
"Shape And Structure Of Zinc Oxide Particles Prepared By Vapor-Phase Oxidation Of Zinc Vapor" by Yoko Suyama et al., Journal of the American Ceramic Society, vol. 71, No. 5, pp. 391-395, May 1988.

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