Radiation curable coating composition based on chain-extended and cross-linked polyurethanes

The invention relates to aqueous polyurethane dispersions that are curable with UV radiation. The polyurethanes are chain-extended with aromatic, cycloaliphatic or aliphatic diamine compound and cross-linked with aliphatic triamine compound. The polyurethanes are useful dispersions for coating vario...

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Bibliographische Detailangaben
Hauptverfasser: BERGER SEBASTIAN, ANDES KATHARINA, WAHL STEFAN, ROLLER SEBASTIAN, BURKHARDT UWE, ROESCH CHRISTINE, NEUMANN SUSANNE, BIEHLER MANFRED, THURY PETER
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to aqueous polyurethane dispersions that are curable with UV radiation. The polyurethanes are chain-extended with aromatic, cycloaliphatic or aliphatic diamine compound and cross-linked with aliphatic triamine compound. The polyurethanes are useful dispersions for coating various substrates. 本发明涉及可用UV辐射固化的水性聚氨酯分散体。所述聚氨酯用芳族、脂环族或脂族二胺化合物进行链增长且用脂族三胺化合物进行交联。所述聚氨酯是用于涂覆各种基材的有用分散体。