Formulations for coated diamond abrasive slurries
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United States of America Patent
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Jun 26, 2007
Grant Date -
Sep 18, 2003
app pub date -
Mar 5, 2002
filing date -
Mar 5, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to an abrasive article and methods of making the abrasive article. An abrasive coating on the abrasive article comprises at least 20% by weight of a superabrasive particle. The abrasive coating is derived from an abrasive slurry. The abrasive slurry may comprise and a dispersant having an AV wherein AV=1000*[(Amine Value)/(Mw)]. The dispersant comprises a polymer having a molecular weight (Mw) of greater than 500 g/mol and an AV of greater than 4.5, a polymer having a molecular weight (Mw) of greater than 10,000 g/mol and an AV of greater than 1.0, or a polymer having a molecular weight (Mw) of greater than 100,000 g/mol and an AV of greater than 0.
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