| abstract |
The present invention relates to polyurethanes having suitably located tertiary amino groups, for example terminal tertiary amino groups with a plurality of tertiary amino groups per terminal or tethered tertiary amino groups separated from the backbone by at least two intervening atoms An aqueous cationic polyurethane dispersion for aqueous digital printing and other applications, wherein the amino group is optionally partially quaternized and / or neutralized, comprising an aqueous dispersion of It is about. |