1. School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong 255049, PR China
2. Dezhou Linglong Tire Co., Ltd, Dezhou, Shandong 253000, PR China
3. School of Resources and Environmental Engineering, Shandong University of Technology, Zibo, Shandong 255049, PR China
4. School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250000, PR China