| 摘要 |
<p>The invention relates to aqueous dispersions comprising (A) at least one polyurethane, (B) at least one compound of the general formula I a or I b (I a) (I b), wherein R, Rand Rmay be identical or different and are selected from A-NCO and A-NH-CO-X, wherein Ais a spacer having 2 to 20 carbons atoms and X is selected as 0(AO)R, AO is C-C-alkyleneoxide, x is an integer in the range from 1 to 50, and Ris selected from hydrogen and C-C-alkyl, (C) and at least one silicon compound with reactive groups.</p> |
