The present invention relates to novel methine dyes, methods for the preparation thereof and use thereof for dyeing plastics, especially polyamides, so as to obtain yellow to orange colourings with improved light fastness and improved thermal stability.
本发明涉及新型
甲胺染料、其制备方法及其在塑料(尤其是聚酰胺)染色中的用途,从而获得具有更好耐光性和热稳定性的黄色至橙色色素。