Method for producing boehmite particles and method for producing alumina particles
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United States of America Patent
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Jul 24, 2012
Grant Date -
Feb 18, 2010
app pub date -
Aug 18, 2009
filing date -
Aug 18, 2008
priority date (Note) -
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Abstract
A method for producing boehmite particles includes subjecting powder of aluminum hydroxide to hydrothermal reaction together with a nucleation agent, thereby obtaining boehmite particles having an average primary particle size of 0.6 μm or less and including primary particles each having a hexahedral shape. A method for producing alumina particles includes: drying the boehmite particles produced by the above described method; calcining the boehmite particles, which have been dried, to obtain alumina particles; and disintegrating the obtained alumina particles.
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