The present invention provides novel bis-triazinylaminostilbene amphoteric fluorescent whitening agents, comprising both individual components and mixtures thereof, a process for their preparation, intermediates useful for their prepartion and use of the fluorescent whitening agents for the fluorescents whitening of paper.
本发明提供了一种新型的双三嗪基
氨基苯基螺
氨基
荧光增白剂,包括其单独组分和混合物,以及其制备方法、用于制备的中间体和用于纸张荧光增白的
荧光增白剂的使用。