A wound protecting composition includes an end-functionalized arborescent polymer having at least two branching points to provide at least four ends to the arborescent polymer, the arborescent polymer comprising polyisobutylene and an end group attached to a majority of the ends of the arboresent polymer, the end group comprising an alkyl cyanoacrylate. The composition may further include a blend of the end-functionalized arborescent polymer with an independent alkyl cyanoacrylate.
