abstract |
(57) [Summary] [Problem] To provide a water-damping water-based coating composition which can be applied to a vehicle body interior by coating and drying to form an excellent vibration-damping material. A damping water-based coating composition comprising a resin emulsion and activated carbon as essential components, wherein the resin emulsion has a Tg of 10 to 50 ° C and a loss angle tangent (tan δ) of 1.5. And the average particle size is 150 To 1000 nm. |