[(2-ethoxy-5-trans-1-propen-1-yl)-phenoxy]-terminated compounds according to formula (I) wherein D is an x-functional group; and x is an integer ≥ 2; with the proviso that the x-functional group D is not a polycarbonate with an average molar mass in the range of 15000 g/mol to 150000 g/mol and wherein D is a difunctional group selected from the following: (a) alkylene or alkenylene group with 2 to 12 carbon atoms; (b) cycloalkylene group with 5 or 6 carbon atoms; (c) heterocyclic group with 3 to 5 carbon atoms and at least one nitrogen sulfur or oxygen atom in the heterocyclic ring; (d) mono- or dicarbocyclic group; (e) bridged multicyclic group consisting of at least two groups selected from the following: monocarbocyclic aromatic groups, dicarbocyclic aromatic groups, cycloalkylene groups; wherein these groups are linked to each other by direct carbon-carbon bonds or by divalent groups; wherein preferably the divalent groups are selected from the following: oxy-group, thio-group, alkylene-group with 1 to 3 carbon atoms, sulfone-group, methanone-group; (f) one of the groups of the following structures wherein AR 1 , AR 2 , AR 3 , AR 4 , AR 5 and AR 6 are independently difunctional aliphatic or aromatic residues; and wherein n is an integer selected in the range from 2 to 100 and represents the number of repeating structural units in the polymer backbone; (g) group of the following structure wherein R 26 is a monofunctional group selected from the following: alkyl or alkenyl group with 2 to 12 carbon atoms, cycloalkyl group with 5 or 6 carbon atoms, aryl group with 6 to 12 carbon atoms, [(2-ethoxy-5-trans-1-propen-1-yl)-phenoxy]-group. D is an x-functional group; and x is an integer ≥ 2; (a) alkylene or alkenylene group with 2 to 12 carbon atoms; (b) cycloalkylene group with 5 or 6 carbon atoms; (c) heterocyclic group with 3 to 5 carbon atoms and at least one nitrogen sulfur or oxygen atom in the heterocyclic ring; (d) mono- or dicarbocyclic group; (e) bridged multicyclic group consisting of at least two groups selected from the following: monocarbocyclic aromatic groups, dicarbocyclic aromatic groups, cycloalkylene groups; wherein these groups are linked to each other by direct carbon-carbon bonds or by divalent groups; wherein preferably the divalent groups are selected from the following: oxy-group, thio-group, alkylene-group with 1 to 3 carbon atoms, sulfone-group, methanone-group; (f) one of the groups of the following structures wherein AR 1 , AR 2 , AR 3 , AR 4 , AR 5 and AR 6 are independently difunctional aliphatic or aromatic residues; and wherein n is an integer selected in the range from 2 to 100 and represents the number of repeating structural units in the polymer backbone; wherein AR 1 , AR 2 , AR 3 , AR 4 , AR 5 and AR 6 are independently difunctional aliphatic or aromatic residues; and wherein n is an integer selected in the range from 2 to 100 and represents the number of repeating structural units in the polymer backbone; (g) group of the following structure alkyl or alkenyl group with 2 to 12 carbon atoms, cycloalkyl group with 5 or 6 carbon atoms, aryl group with 6 to 12 carbon atoms, [(2-ethoxy-5-trans-1-propen-1-yl)-phenoxy]-group. <EOS>