Dispersionen enthaltend ein Polyurethan und ein strahlenhärtbares Präpolymer

摘要

The present invention describes aqueous dispersions which are substantially free of protective colloids or emulsifiers, containing in a dispersed form a) a polyurethane (A) containing hydrophilic groups, causing water dispersion of said polyurethane which is substantially free of C-C double bonds and b) a prepolymer containing 0.1 to 1 mol radically polymerizable C-C double bonds per 100 gr. of prepolymer.