VISIBLE-LIGHT CURABLE EPOXY SYSTEM WITH ENHANCED DVISIBLE-LIGHT CURABLE EPOXY SYSTEM WITH ENHANCED DEPTH OF CURE EPTH OF CURE

摘要

A visible-light photopolymerizable composition comprising a) a cationically polymerizable epoxy resin, b) a hydroxyl-containing material, c) an aryliodonium salt and d) a visible-light sensitizer that is an alpha-dicarbonyl compound having an extinction coefficient less than about 1000. Particularly, preferred compositions of the present invention are dental materials.