USE OF AMINES IN COMBINATION WITH ACRYLIC POLYMERS IN THE MANUFACTURE OF AQUEOUS SUSPENSIONS OF MINERAL MATTERS
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Nov 18, 2011
filing date -
Nov 19, 2010
priority date (Note) -
Abandoned
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Abstract
The use of an amine in a method to manufacture an aqueous suspension of mineral matter by dispersion and/or grinding in the presence of at least one acrylic polymer. The amine enables the quantity of polymer dispersant to be reduced. In a preferred embodiment the quantity of acrylic dispersant is reduced, whilst keeping the same mineral matter content, and maintaining or even improving the rheology of the suspension over time.
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