Hydrophilic and hydrophobic silane surface modification of abrasive grains
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United States of America Patent
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Sep 20, 2011
Grant Date -
Oct 22, 2009
app pub date -
Apr 16, 2009
filing date -
Apr 18, 2008
priority date (Note) -
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Abstract
A surface-modified abrasive grain includes an abrasive grain as a substrate, and a film on the abrasive grain that includes a relatively hydrophilic silane component and a relatively hydrophobic silane component. The film can be a single film layer or multiple film layers, wherein a film layer most proximal to the abrasive grain has a predominately hydrophilic silane component, and a film layer more distal to the abrasive grain includes predominately a relatively hydrophobic silane component. Coated abrasive products and bonded abrasive products include the surface-modified abrasive grains.
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