| abstract |
The new (meth) acrylic esters of the formula <IMAGE> in which R¹ and R² are the same or different and are hydrogen, chlorine, fluorine or a C1 - to C4-alkyl radical and R³ and R <4> are the same or different and for which Group <IMAGE>, where Y is a double-bonded bridge member from the group -NH -? - O- or <IMAGE> and Z is a straight-chain or branched hydrocarbon chain with 2 to 10 carbon atoms, which may optionally contain oxygen bridges and by optionally 1 to 4 Acrylate or methacrylate radicals are substituted, where R 5 is hydrogen or methyl and R 6 is hydrogen, lower alkyl or phenyl, can be used for dental materials. |