calcium carbonate coated with stearic acid

i want to treate calcium carbonate  using stearic acid. to form a monolayer shell .in order to enhance the compatibility with polymer 
wet process 
caco3=98.5 %
stearic acid=1%
desolve in absolute ethanol while stiring to synthesize stearic acid coated calciumcarbonate the precipitate is collected. 
who can help with dry mixing process becuase i want to produce in large quantity.?
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