Dispersions containing a polyurethane and a radiation-hardenable prepolymer

Abstract

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, and B. 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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