New nickel di:thiolene complex - derived from phenyl-tert. pentyl-ethylene-di:thiol and used in printing ink

摘要

The Ni dithiolene coplex bis(1-phenyl-2-(4-tert, -pentylphenyl) ethylene-1,2dithiolato)-Ni (II) of formula (I) is new. USE/ADVANTAGE - (I) is used in the prodn. of printing inks. The inks absorb IR radiation and are useful for invisible bar codes. It has satisfactory solubility and can be prepd. easily. (I) is also useful as quencher in light-sensitive layers of component in optical memory layers.