1. Institute of Materials Science & Technology, Analytical and Testing Center, Sichuan University; Chengdu 610064 China
2. China Petroleum Pipeline Engineering Co., Ltd. (Engineering); Langfang Hebei 065000 People's Republic of China
3. College of Polymer Science and Engineering; Sichuan University; Chengdu 610064 China
4. State of Key Laboratory of Polymer Materials Engineering, Sichuan University; Chengdu 610064 China