1. Beijing Key Laboratory of Advanced Functional Polymer Composites Beijing University of Chemical Technology Beijing 100029 China
2. State Key Laboratory of Organic‐Inorganic Composites College of Materials Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
3. Department of Mechanical Aerospace and Nuclear Engineering Rensselaer Polytechnic Institute 110 8th Street Troy NY 12180‐3590 USA