1. School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
2. Department of Mechanical Engineering, University of Delaware, Newark, Delaware 19716, United States
3. College of Textiles, Donghua University, Shanghai 201620, China
4. Center for Composite Materials, University of Delaware, Newark, Delaware 19716, United States
5. Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States