Patent ID: 6114490
Filing Date: 2000-09-05
Classification: C08G,C09K

Abstract:
A polymer which comprises oligo-p-phenylene units and comprises at least one structural element of the formula (A.sub.k B).sub.n, where the symbols and indices have the following meanings:A are identical or different units ##STR15## B are identical or different units ##STR16## Y are identical or different and are each (E)--CR.sup.9 .dbd.CR.sup.10 --, --C.dbd.C-- or --CHR.sup.11 --CHR.sup.12, wherein (E) is ##STR17## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, R.sup.11, R.sup.12 are, independently of one another, identical or different in the individual structural elements and are each H, a straight-chain or branched alkyl group having from 1 to 22 carbon atoms, or an aryl or aryloxy group, or Br, Cl, F, CN or alkyloxycarbonyl having from 2 to 23 carbon atoms;k is from 1 to 25;n is from 1 to 200.