1. State
Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2. Polymer
Materials Research Center, Key Laboratory of Superlight Materials
and Surface Technology, Ministry of Education, College of Materials
Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
3. Department
of Mechanical Engineering, University of Akron, Akron, Ohio 44325-3903, United States