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US 7,459,007 B2Granted
Method for producing ultra-fine metal flakes
AssigneeClarkson University
InventorsDan V. Goia, Corina Goia
Life of this patent
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Abstract
The present invention provides a metallic composition, which includes a plurality of ultra-fine copper flakes having at least one desirable feature, such as oxidation resistance and excellent dispersibility in a non-aqueous system. Also provided is a method for forming compositions having a plurality of ultra-fine copper flakes, and the metallic composition produced therewith.
Claims16
A method for forming a plurality of ultra-fine copper flakes comprising:
- (a) forming a system comprising a plurality of ultra-fine copper particles, a solvent, and a reducing agent;
- (b) milling the plurality of ultra-fine copper particles in the system at a temperature of at least 65° C., so as to facilitate the milling process and reduce milling time;
- and optionally,
- (c) isolating the copper flakes.
1 more element
A method for forming a plurality of ultra-fine copper flakes comprising:
- (a) forming a system comprising a plurality of ultra-fine copper particles, a solvent, a lubricant, a dispersant, and a reducing agent;
- (b) milling the plurality of ultra-fine copper particles in the system at a temperature of at least 65° C., so as to facilitate the milling process and reduce milling time;
- and optionally,
- (c) isolating the copper flakes.
1 more element
Dependencies are inferred from the claim text.