Water-based damping paint and application thereof in automobile field

The invention provides water-based damping paint and an application thereof in the automobile field. The water-based damping paint is mainly prepared by using the following raw materials according toa mass percentage of a total mass of the raw materials: 30-40% of water-based acrylic emulsion, 10-20% of TPU powder, 20-50% of filler, 0.5-3.0% of a water-based dispersant, 0.2-1.0% of a water-baseddefoamer, 0.2-1.0% of a foaming agent, and 0.2-1.0% of a thickener, wherein a glass-transition temperature of the water-based acrylic emulsion is -20 DEG C to 30 DEG C, preferably -10 DEG C to 10 DEGC; and a melting point of the TPU powder is 70-110 DEG C, preferably 80-90 DEG C. The provided water-based damping paint is capable of realizing a wider damping temperature domain and better chemicalresistance of the damping paint while paint film strength is guaranteed. 本发明提供一种水性阻尼涂料及其在汽车领域中的应用，本发明的水性阻尼涂料，采用主要包括如下各组分的原料制得，其中各组分基于所述原料的总质量的质量百分比为：水性丙烯酸乳液30-40％，TPU粉末10-20％，填料20-50％，水性分散剂0.5-3.0％，水性消泡剂0.2-1.0％，发泡剂0.2-1.0％，增稠剂0