Composites of inorganic and/or organic microparticles and nano-calcium carbonate particles
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United States of America Patent
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Jan 8, 2013
Grant Date -
Sep 29, 2011
app pub date -
Jun 1, 2011
filing date -
Jun 9, 2006
priority date (Note) -
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Abstract
The present invention relates to composites, comprising inorganic and/or organic pigments and/or fillers in the form of microparticles, the surface of which is coated at least partially with finely divided nano-calcium carbonate with the help of binders based on copolymers comprising as monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines, a method for producing such composites, aqueous slurries thereof and their use in papermaking or in the field of paint and plastic production and the use of the inventive binders for coating the microparticles with nano-calcium carbonate.
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