| abstract |
The present invention relates to coating compositions comprising a mixture of at least two aqueous, anionic polyurethane polyurea dispersions A and B, wherein dispersion A as a dry film has a TG in the range from -30° C., to -45° and dispersion B as a dry film has a first TG in the range from -30° C. to -45° C. and a second TG in the range from +45° C. to +60° C., and the mixture of A and B as a dry film has only one TG in the range from -30° C. to -45° C. |