1. Department of Polymer Material and Engineering, College of Materials and MetallurgyGuizhou UniversityGuiyang, 550025 China
2. National Engineering Research Center for Compounding and Modification of Polymer MaterialsGuiyang Guizhou, 550014 China
3. Key Laboratory of Advanced Materials Technology Ministry of Education, School of Materials Science and EngineeringSouthwest Jiaotong UniversityChengdu, 610031 China