A lightfast colorant and a lightfast ink composition include a lightfast colorant that is derived by covalently binding a benzophenone derivative and a conventional colorant and that imparts effective lightfastness and long-term storage stability to an ink composition that is prepared with the same.
一种耐光
着色剂和一种耐光油墨组合物包括一种耐光
着色剂,它是通过共价结合
二苯甲酮衍
生物和传统
着色剂而得到的,并能赋予用其制备的油墨组合物有效的耐光性和长期储存稳定性。