1. College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
2. Sichuan Engineering Laboratory of Non-Metallic Mineral Powder Modification, Key Laboratory of Solid Waste Treatment & Resource Recycle, Ministry of Education, School of Environment & Resource, Southwest University of Science & Technology, Mianyang 621010, P. R. China