Photoinitiating polymerization composition

Abstract

The subject of the application is a composition photoinitiating polymerization, especially for the purposes of dentistry, polygraphy, stereolithography and the production of photocurable varnishes and adhesives, characterized in that it contains a radiation absorber methyl 4-(2-methoxypyridine-1(2H)-yl)-5-oxo-5H-spiro[furan-2,11'-indeno[1,2-b]quinoxaline]-3-carboxylate of the general formula I, wherein R is: substituted 2-methoxypyridine, 2-methoxyquinoline, 2-methoxyisoquinoline; R1 is: -H, -Cl, -Br -I, -CH3, OCH3, C(O)OCH3; R2 is: -H, -CH3, -NH2.