1. Polymer Physics and Chemistry, Changchun
Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
2. Polymer
Materials Research Center and 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