Polymethine dyes and ultraviolet absorbers are disclosed containing a basic electron donating terminal nucleus and an acidic electron accepting terminal nucleus comprised of a triarylborylisocyano group. The dyes are useful in imaging materials.
本发明公开了聚甲基
染料和
紫外线吸收剂,它们含有一个碱性电子捐赠端核和一个酸性电子接受端核,后者由三芳基
硼酰异
氰酸基组成。这些
染料可用于成像材料。