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.
本发明涉及新型甲纶
染料,其制备方法和用于染色塑料,特别是聚酰胺,以获得改善光牢度和热稳定性的黄色至橙色着色。