Patent ID: 7812107
Filing Date: 2010-10-12
Classification: C09D

Abstract:
1. A water-based vibration damping material suitable for being coated over a coated film of an electrodeposition paint provided on a substrate and then baked, the water-based vibration damping material comprising a resin emulsion, an inorganic filler, and a dihydric alcohol, wherein the dihydric alcohol content is in a range of more than 0 wt. % to not more than 2.0 wt. %; and wherein the resin emulsion comprises a first resin emulsion and a second resin emulsion, wherein a peak temperature of a loss tangent of the first resin emulsion is within a range of 0° C. to 20° C., and a peak temperature of a loss tangent of the second resin emulsion is within a range of 25° C. to 50° C.