Erratum to: Polym. Bull. DOI 10.1007/s00289-016-1724-1

In the original article, the affiliation of the sixth author (Seyed Hassan Jafari) was mistaken. The correct affiliation is ‘Department of Polymer Engineering, Faculty of Engineering, South Tehran Branch, Islamic, Azad University, P.O. Box 19585-466, Tehran, Iran’.