Infrared absorbing compounds in which the anion is selected from the group consisting of 5-isatinsulfonate, 10-camphorsulfonate, and 4,5-dihydroxy-1,3-benzenedisulfonate are disclosed. Negative-working imageable elements containing these compounds have improved dot stability.
本发明揭示了阴离子选自5-异
吲哚磺酸盐、10-
樟脑磺酸盐和4,5-二羟基-
1,3-苯二磺酸盐等组成的红外吸收化合物。包含这些化合物的负向感光元件具有改善的点稳定性。