1. Center of Advanced Elastomer MaterialsState Key Laboratory of Organic‐Inorganic CompositesBeijing University of Chemical Technology Beijing 100029 P. R. China
2. Beijing Laboratory of Biomedical MaterialsBeijing University of Chemical Technology Beijing 100029 P. R. China
3. College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
4. Institute of Traumatology and OrthopaedicsBeijing Jishuitan Hospital Beijing 100035 P. R. China