Method for producing electrically conductive zinc oxide

Details Method for producing electrically conductive zinc oxide Method for producing electrically conductive zinc oxide

1979-05-30

1981-08-04

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252506, 252518, 423592, H01B 106

Patent

active

042821177

ABSTRACT:
A method for producing electrically conductive zinc oxide comprising calcining zinc oxide under an ambient atmosphere in a vessel at a temperature from about 800.degree. to about 1100.degree. C. in a mixture thereof with aluminum oxide or a precursor thereof convertible into the oxide under the conditions of treatment in an amount of about 0.05 to about 5 moles based on aluminum atom therein in relation to 100 moles of zinc oxide in the presence of solid carbon. A further improvement in the method comprises mixing zinc oxide with aluminum oxide powder of not more than about 20 millimicrons in average particle size in the dry form to provide a feed mixture, and calcining the mixture, to provide a highly conductive form of zinc oxide.

REFERENCES:
patent: 3515686 (1970-06-01), Bowman

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