| abstract |
A water-base coating composition comprising an aqueous medium and anparticulate vinyl polymer is provided, wherein at least 95 wt% of particlesnhave a minor axis A and a major axis B, which are in relationship ofn1≤B/A≤1.5 and individually range from 30 µm to 400 µm. The polymer hasnan acid value of from 30 to 150 mgKOH/g. This water-base coating compositionnhas superb dispersion of a pigment and excellent waterproofness. |