Fotoiniciador norrish tipo ii polimerizável, composição curável por radiação, método de impressão por jato de tinta e uso do fotoiniciador

摘要

A new type of polymerizable Norrish Type II photoinitiators having an optionally substituted benzophenone group or an optionally substituted thioxanthone group is disclosed exhibiting improved compatibility with and solubility in radiation curable compositions. Radiation curable compositions and inkjet inks containing these polymerizable Norrish Type II photoinitiators, exhibiting low extractable amounts of the photoinitiators and their residues after curing, are also disclosed.