Kansai Paint Patents Aqueous Coating Resin

May 8, 2013

US 8,217,114 B2
Kansai Paint Co.  has been granted a patent for an aqueous coating resin composition comprised of a water-dispersible nonionic resin (A) and a water-dispersible anionic core-shell resin (B), characterized in that the water-dispersible nonionic resin (A) contains a polyoxyalkylene group-containing polymerizable unsaturated monomer (a1) at 5%-50% mass  of the total polymerizable unsaturated monomer used for production of the resin (A) wherein the resin contains no ionic functional groups and contains both a polymerizable unsaturated monomer with a C4 and greater hydrocarbon group and a hydroxyl-containing polymerizable unsaturated monomer as copolymerizable components, and the water-dispersible anionic core-shell resin (B) contains an anionic group in the resin.

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