NON-IONIC HYDROPHILIZED POLYURETHANE DISPERSIONS WITH ACRYLATE DOUBLE BONDS

An aqueous UV-curable dispersion at least includes a reaction product composed of a) at least one polyisocyanate having an average isocyanate functionality of at least 2.2, of which preferably at least one polyisocyanate is an oligomeric polyisocyanate having urethane, biuret, allophanate, iminooxad...

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Bibliographische Detailangaben
Hauptverfasser: DOERR, Sebastian, GIPPERICH, Ingo, JANSSEN, Petra, LUDEWIG, Michael
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:An aqueous UV-curable dispersion at least includes a reaction product composed of a) at least one polyisocyanate having an average isocyanate functionality of at least 2.2, of which preferably at least one polyisocyanate is an oligomeric polyisocyanate having urethane, biuret, allophanate, iminooxadiazinedione and/or isocyanurate structural units; b) at least one monohydroxy-functional compound containing acryloyl groups, c) at least one component which contains nonionic hydrophilizing groups and has at least one further isocyanate-reactive group and d) at least one diol, triol, diamine and/or triamine, the reaction product having no ionogenic or ionically hydrophilizing groups.