Binder precursor dispersion method of making abrasive articles made from reduced viscosity slurries, and method of reducing sedimentation rate of mineral particles
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United States of America Patent
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Mar 5, 1996
Issued Date -
N/A
app pub date -
Jul 17, 1995
filing date -
Dec 17, 1992
priority date (Note) -
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Abstract
A binder precursor dispersion suitable for use in producing abrasive articles, the dispersion consisting essentially of a polymerizable resin, filler particles, and modifying particles, wherein the modifying particles are present in an amount sufficient to reduce the viscosity of the same binder precursor dispersion; a method of making a coated abrasive comprising the steps of (a) coating a backing material with a slurry, the slurry consisting essentially of a polymerizable resin, abrasive particles, and modifying particles, wherein said modifying particles are present in an amount sufficient to reduce the viscosity of the same slurry; (b) subjecting the coated backing of step (a) to conditions sufficient to cure the polymerizable resin; and a method of reducing a sedimentation rate of mineral particles by adding the modifying particles.
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