| abstract |
The present invention relates to a cold flow reduced polymer having good processing behavior, wherein the polymer has a silane-containing carboxyl group of the formula (I) at the end of the polymer chain: Wherein R 1 and R 2 are the same or different and are H or an alkyl, alkoxy, cycloalkyl, cycloalkoxy, aryl, or heteroaryl group, which may contain one or more heteroatoms, preferably O, , Aryloxy, alkaryl, alkaryloxy, aralkyl or aralkoxy radicals; R 3 and R 4 are the same or different and are H or an alkyl, cycloalkyl, aryl, alkaryl or aralkyl radical, which may contain one or more heteroatoms, preferably O, N, ; A is a divalent organic radical other than C and H, which may contain one or more heteroatoms, preferably O, N, S or Si. |