1. Département de Chimie; Université de Sherbrooke; Sherbrooke Québec J1K 2R1 Canada
2. Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials; School of Materials Science and Engineering; Changzhou University; Changzhou 213164 China
3. Univ Rennes; CNRS, ISCR-UMR6226, F-; 35000 Rennes France