| 摘要 |
This invention provides a water-based coating-type damping material whereby detachment or deformation of a sealer can be prevented and anti-blister performance can be improved. Such water-based coating-type damping material comprises at least an aqueous resin emulsion, an inorganic filler, a water retention agent that retains the moisture of the resin emulsion, and microballoon particles comprising balloons encapsulating an expansion agent that is evaporated by heating so as to expand, the microballoon particles starting to expand in the presence of the expansion agent under heating temperature conditions of the water boiling point or lower.
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