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Method of producing nano-scaled inorganic platelets

United States Patent

November 13, 2012
View the Complete Patent at the US Patent & Trademark Office
The present invention provides a method of exfoliating a layered material (e.g., transition metal dichalcogenide) to produce nano-scaled platelets having a thickness smaller than 100 nm, typically smaller than 10 nm. The method comprises (a) dispersing particles of a non-graphite laminar compound in a liquid medium containing therein a surfactant or dispersing agent to obtain a stable suspension or slurry; and (b) exposing the suspension or slurry to ultrasonic waves at an energy level for a sufficient length of time to produce separated nano-scaled platelets. The nano-scaled platelets are candidate reinforcement fillers for polymer nanocomposites.
Zhamu; Aruna (Centerville, OH), Jang; Bor Z. (Centerville, OH)
Nanotek Instruments, Inc. (Dayton, OH)
13/ 200,307
September 23, 2011
This invention is based on the research result of a US Department of Energy (DoE) Small Business Innovation Research (SBIR) project. The US government has certain rights on this invention.