1. Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Material Technology and Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China
2. School of Chemical Sciences University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 P. R. China
3. Department of Engineering Mechanics and Center for X‐Mechanics Zhejiang University Hangzhou 310027 P. R. China
4. Department of Polymer Materials College of Materials Science and Engineering Shanghai University Nanchen Road 333 Shanghai 200444 P. R. China