Compounds of formula wherein X is O, S or NR 0, X 0 is O or S, d is 0 or 1, is selected from the group consisting of and and the asterisk "*" denotes a linkage to the linker [-R 2 -R 1], R is at each occurrence independently selected from the group consisting of H, F, OH, a linear or branched alkyl group having 1 to 4 C atoms, a linear or branched hydroxyalkyl group having 1 to 4 C atoms or a linear or branched partially or fully fluorinated alkyl group having 1 to 4 C atoms, R' is at each occurrence independently selected from the group consisting of H, F, a linear or branched, non-halogenated, partially or completely halogenated alkyl group having 1 to 20 C atoms, a linear or branched hydroxyalkyl group having 1 to 20 C atoms, a non-halogenated, partially or completely halogenated cycloalkyl group having 3 to 6 C atoms, a linear or branched, non-halogenated, partially or completely halogenated alkoxy group having 1 to 20 C atoms, a linear or branched, non-halogenated, partially or completely halogenated thioalkyl group having 1 to 20 C atoms, R 0 is at each occurrence independently selected from the group consisting of a linear or branched alkyl group having 1 to 10 C atoms or a cycloalkyl group having 3 to 6 C atoms, R 1 is a polymerizable group selected from the group consisting of an alkenyl group of formula, wherein the asterisk "*" denotes the linkage to the linker [-R 2 -], X 4 is selected from the group consisting of O, S, C(=O), C(=O)O, R 7, R 8, R 9 are at each occurrence independently of each other selected from the group consisting of H, F, a linear or branched, non-fluorinated, partially or completely fluorinated alkyl having 1 to 20 C atoms or aryl with 6 to 14 C atoms, c is 0 or 1; and trialkoxysilyl groups or dialkoxyalkylsilyl groups where the alkyl and/or alkoxy groups are each independently linear or branched having 1 to 6 C atoms; -R 2 - is -(C 2) o -, -(C 2) p -X 1 -(C 2) q -(X 2) s -(C 2) r -(X 3) t -(C 2) u -, or a cycloalkylene group having 5 or 6 C atoms substituted with at least one R which is different from H, o is selected from the group consisting of 1 to 20, X 1, X 2, X 3 are at each occurrence independently O, S or NRo, s, t is 0 or 1, p, q are at each occurrence independently selected from the group consisting of 1 to 10 and r, u are at each occurrence independently selected from the group consisting of 0 to 10, wherein the overall number of atoms for -(C 2) p -X 1 -(C 2) q -(X 2) s -(C 2) r -(X 3) t -(C 2) u - is up to 20 atoms, R 3, R 4, R 5, R 6 are at each occurrence independently R'. X is O, S or NR 0, X 0 is O or S, d is 0 or 1, is selected from the group consisting of and and the asterisk "*" denotes a linkage to the linker [-R 2 -R 1], R is at each occurrence independently selected from the group consisting of H, F, OH, a linear or branched alkyl group having 1 to 4 C atoms, a linear or branched hydroxyalkyl group having 1 to 4 C atoms or a linear or branched partially or fully fluorinated alkyl group having 1 to 4 C atoms, R' is at each occurrence independently selected from the group consisting of H, F, a linear or branched, non-halogenated, partially or completely halogenated alkyl group having 1 to 20 C atoms, a linear or branched hydroxyalkyl group having 1 to 20 C atoms, a non-halogenated, partially or completely halogenated cycloalkyl group having 3 to 6 C atoms, a linear or branched, non-halogenated, partially or completely halogenated alkoxy group having 1 to 20 C atoms, a linear or branched, non-halogenated, partially or completely halogenated thioalkyl group having 1 to 20 C atoms, R 0 is at each occurrence independently selected from the group consisting of a linear or branched alkyl group having 1 to 10 C atoms or a cycloalkyl group having 3 to 6 C atoms, R 1 is a polymerizable group selected from the group consisting of an alkenyl group of formula, wherein the asterisk "*" denotes the linkage to the linker [-R 2 -], X 4 is selected from the group consisting of O, S, C(=O), C(=O)O, R 7, R 8, R 9 are at each occurrence independently of each other selected from the group consisting of H, F, a linear or branched, non-fluorinated, partially or completely fluorinated alkyl having 1 to 20 C atoms or aryl with 6 to 14 C atoms, c is 0 or 1; and trialkoxysilyl groups or dialkoxyalkylsilyl groups where the alkyl and/or alkoxy groups are each independently linear or branched having 1 to 6 C atoms; -R 2 - is -(C 2) o -, -(C 2) p -X 1 -(C 2) q -(X 2) s -(C 2) r -(X 3) t -(C 2) u -, or a cycloalkylene group having 5 or 6 C atoms substituted with at least one R which is different from H, o is selected from the group consisting of 1 to 20, X 1, X 2, X 3 are at each occurrence independently O, S or NRo, s, t is 0 or 1, p, q are at each occurrence independently selected from the group consisting of 1 to 10 and r, u are at each occurrence independently selected from the group consisting of 0 to 10, wherein the overall number of atoms for -(C 2) p -X 1 -(C 2) q -(X 2) s -(C 2) r -(X 3) t -(C 2) u - is up to 20 atoms, R 3, R 4, R 5, R 6 are at each occurrence independently R'.