1. Center for Biomaterial Development, Institute of Polymer Research, GKSS Research Center Geesthacht GmbH, 14513 Teltow, Germany, Department of Polymer Science and Technology, Tianjin University, 92 Weijin Road, Tianjin 300072, People’s Republic of China, BASF Aktiengesellschaft, Polymer Research, Carl-Bosch-Str. 38, 67056 Ludwigshafen, Germany, and Sika Technology AG, Tüffenwies 16, CH-8048 Zürich, Switzerland