| 摘要 |
HOE 82/F 261 Hardenable cationic modification products of epoxy resins which are characterised by a content of .beta.-hydroxyalkyl carbamide ester groups, the amide group of which being derived from a polyamine with at least two primary and/or secondary amino groups, and, optionally, additionally tertiary amino groups, of the nitrogen bonds of which two are occupied by hydrocarbon radicals, the resins being present as such or in a form protonated by acid and dissolved in water or aqueous-organic systems and, if appropriate, containing conventional aciditives, and at least 70% of the epoxy groups being reacted. The subject of the invention is also a process for preparing such modification products, and moulded articles obtained therefrom. |
