Self-photoinitiating liquid oligomeric compositions are disclosed. The oligomeric compositions are formed from multifunctional mercaptans and Michael addition polyacrylate resins, synthesized from multifunctional acrylates and .beta.-dicarbonyl Michael donors, specifically .beta.-keto esters, .beta.-diketones, .beta.-ketoamides or .beta.-ketoanilides or combinations thereof The oligomeric compositions are provided along with uses thereof and methods of fabricating.