Abstract: The present invention is directed to a radiation-curable aqueous dispersion comprising a (meth)acryloyl functional polyurethane A comprising anionic dispersing groups and non-ionic dispersing groups, characterized in that (i) said polyurethane A comprises (meth)acryloyl ester functional groups in an amount of at least 0.

Abstract: The present invention relates to a dispersion comprising (A) a carrier fluid in an amount from 35 to 95 wt. %, the carrier fluid comprising: (A1) water, and (A2) at least one compound selected from the group consisting of ethanol, 1-propanol, 2-propanol, ethyl acetate, n-propyl acetate, isopropyl acetate, acetone, methyl ethyl ketone and any mixture of at least two of these compounds, whereby the amount of water (A1) relative to the carrier fluid (A) is less than 85 wt. % and the amount of water relative to the dispersion is from 1 to 30 wt. %; and (B) polymer(s) in an amount from 5 to 65 wt.

Abstract: An aqueous polyurethane composition comprising a polyurethane which is the reaction product of: (A) an isocyanate-terminated prepolymer and (B) at least one active-hydrogen chain-extending compound comprising at least 0.20 stoichiometric equivalents with respect to the isocyanate content of the isocyanate-terminated prepolymer (A), of an active-hydrogen chain-extending compound selected from the group consisting of hydrazine, hydrazine derivatives and mixtures thereof; and wherein at least 0.2 stoichiometric equivalents of the anionic or potentially anionic water-dispersing groups are neutralised with ammonia.