Dispersion and aqueous coating composition comprising the dispersion
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United States of America Patent
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Jul 30, 2013
Grant Date -
Oct 18, 2012
app pub date -
Jun 27, 2012
filing date -
Jan 19, 2009
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Abstract
The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.
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