STYRENE-FREE COPOLYMERS AND COATING COMPOSITIONS CONTAINING SUCH COPOLYMERS
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Sep 20, 2023
filing date -
Apr 15, 2016
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Abstract
An aqueous coating composition is provided that is preferably substantially free of styrene and structural units derived from styrene. The coating composition includes a resin system that preferably includes a water-dispersible polymer and an emulsion polymerized ethylenically unsaturated monomer component. The resin system is preferably formed using a process that includes emulsion polymerizing the ethylenically unsaturated monomer component in the presence of an aqueous dispersion including the water-dispersible polymer. In certain preferred embodiments, the water-dispersible polymer is a salt of an acid- or anhydride-functional aromatic polyether polymer.
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