1 College of Material Science and Engineering, Shenyang University of Chemical Technology Shenyang 110142 China.
2 CAS Key Laboratory of High-Performance Synthetic Rubber and Its Composite Materials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences 5625 Renmin Street Changchun 130022 P. R. China fengwang@ciac.ac.cn xqzhang@ciac.ac.cn.
3 Lanzhou Petrochemical Research Center, Petrochemical Research Institute PetroChina Lanzhou 730060 China.
4 School of Chemical Engineering, Changchun University of Technology Changchun Jilin China.