1. Key
Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial
Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, No. 53 Zhengzhou Road, Qingdao 266042, China
2. East Hospital, Tongji University School of Medicine, Shanghai 200120, P. R. China
3. The
Materials Science and Engineering Program, Dept. of Mechanical and
Materials Engineering, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio 45221, United States