Photoinitiator compositions, photohardenable compositions containing the same.

摘要

A photoinitiator composition is described which comprises a compound which absorbs actinic radiation and directly or indirectly generates free radicals, and an O-acylthiohydroxamate compound or an N-alkoxypyridine thione. Photohardenable compositions containing that photoinitiator composition and photosensitive materials employing same are also described.