| abstract |
Compounds of the formula (1) <IMAGE> (1) wherein R1, R2, R3, R4, R5, R6, R7 and R8 have the meanings given in the description, and the other radicals have the following meanings: X, Y and Z denote identical or different divalent radicals -O-, -S-, -N(R9)- or -C(R10)=C(R11)-, with the proviso that at least one of the radicals, X, Y and Z is not a radical of the formula -C(R10)=C(R11)-, and wherein R9 is a hydrogen atom, a branched or unbranched C1- to C8-alkyl radical or an optionally substituted phenyl radical, and R10 and R11 are, in each case, identical or different radicals which have one of the meanings of R1, R7 and R8 denote identical or different radicals, that is to say hydrogen atoms or C1- to C6-alkyl or phenyl radicals, and n, m and o denote identical or different integers with a value of from 1 to 10. Also provided are a process for the preparation of these compounds, processes for their polymerization, novel polymers which can be prepared in this manner and the use of the polymers. |