1. Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China
2. Tianjin Key Laboratory of New Materials and Systems for HVAC Plumbing, Tianjin 300400, China
3. Jinghua Plastics Co. Ltd, Langfang 065800, China
4. Department of Composite Materials Engineering, Winona State University, Winona, MN 55987, USA