1. Département de ChimieUniversité de Sherbrooke Sherbrooke Québec J1K 2R1 Canada
2. Jiangsu Key Laboratory of Environmentally Friendly Polymeric MaterialsSchool of Materials Science and EngineeringChangzhou University Changzhou 213164 China
3. Univ RennesCNRS, ISCR-UMR6226, F- 35000 Rennes France