| 摘要 |
Aqueous dispersions which are essentially free from protective colloids or emulsifiers, comprise, in dispersed form,A. a polyurethane (A) comprising hydrophilic groups, which bring about the water-dispersibility of the polyurethane, this polyurethane (A) being essentially free from C-C double bonds, andB. a prepolymer having a content of from 0.1 to 1 mol of free-radically polymerizable C-C double bonds per 100 g of prepolymer.
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