1. Danish Polymer Centre Department of Chemical and Biochemical Engineering Technical University of Denmark Søltofts Plads 227 2800 Lyngby Denmark
2. Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences P.O. Box 353 Beijing 100190 China
3. Zhengzhou Institute of Emerging Industrial Technology Zhengzhou 450000 China