| abstract |
Disclosed is an aqueous polymer dispersion comprising at least one polymer having a carboxyl group and optionally an additional functional group selected from hydroxy, isocyanate, fluoro, phosphate, hydrazide, acetoacetate group and combination thereof, in which the polymer has a glass transition temperature of larger than -40°C and less than 35°C, and the aqueous polymer dispersion has a solid content of larger than 50% by weight. |