Patent ID: 9657195
Date: 2017-05-23
CPC Classifications: B32B,C08G,C09D,Y10T

Claim:
1. An aqueous coating composition, comprising: an aqueous polyurethane resin comprising a polyurethane resin having an acid group and a polyamine compound; a water-soluble polymer comprising a polyvinyl alcohol polymer; and an inorganic layered mineral, wherein the aqueous polyurethane resin is included at a solid content of 50-80 mass %, the water-soluble polymer is included at a solid content of 5-20 mass %, and the inorganic layered mineral is included at a solid content of 10-30 mass %, relative to a total solid content of the aqueous coating composition, the acid group of the polyurethane resin is at least one of a carboxyl group and a sulfonic group, and the aqueous coating composition has a total solid concentration of not less than 5 mass % and a viscosity of not larger than 50 mPa-second at 23° C.