PRODUCTION OF HIGH-PURITY TITANIUM MONOXIDE AND CAPACITOR PRODUCTION THEREFROM
First Claim
1. A high-purity titanium monoxide (TiO) powder, produced by a process comprising:
- a) combining a mixture of (1) a titanium suboxide selected from Ti2O3, TinO(2n−
1), and TiO2, or mixtures thereof, wherein n is 1-5; and
(2) metallic titanium, titanium hydride or mixtures thereof, wherein (1) and (2) are present in powder or granular form;
b) forming a compact of the mixture;
c) reacting the mixture at a temperature above about 1200°
C.; and
d) fragmenting the body of material to form the TiO powder.
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Abstract
The present invention relates to high-purity titanium monoxide powder (TiO) produced by a process of combining a mixture of titanium suboxides and titanium metal powder or granules; reacting the mixture at a temperature above about 1200° C.; and fragmenting the body to form TiO particles suitable for application as e.g., capacitors. The TiO product is unusually pure in composition and crystallography, highly dense, and can be used for capacitors and for other electronic applications. The method of production of the TiO is robust, does not require high-purity feedstock, and can reclaim value from waste streams associated with the processing of TiO electronic components.
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18 Claims
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1. A high-purity titanium monoxide (TiO) powder, produced by a process comprising:
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a) combining a mixture of (1) a titanium suboxide selected from Ti2O3, TinO(2n−
1), and TiO2, or mixtures thereof, wherein n is 1-5; and
(2) metallic titanium, titanium hydride or mixtures thereof, wherein (1) and (2) are present in powder or granular form;b) forming a compact of the mixture; c) reacting the mixture at a temperature above about 1200°
C.; andd) fragmenting the body of material to form the TiO powder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of producing titanium monoxide (TiO) powder which comprises:
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a) combining a mixture of (1) a titanium suboxide selected from Ti2O3, TinO(2n−
1), and TiO2, or mixtures thereof, wherein n is 1-5; and
(2) metallic titanium hydride or mixtures thereof, wherein (1) and (2) are present in powder or granular form;b) forming a compact of the mixture; c) reacting the mixture at a temperature above about 1200°
C.; andd) fragmenting the body of material to form the TiO powder. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification