1. Sinopec Research Institute of Petroleum Engineering
2. Beijing
3. China
4. Key Laboratory of Functional Polymer Materials of the Ministry of Education
5. Institute of Polymer Chemistry
6. College of Chemistry
7. Nankai University
8. Tianjin 300071
9. State Key Laboratory of Special Functional Waterproof Materials
10. Beijing Oriental Yuhong Waterproof Technology Co.
11. Ltd
12. Beijing 100123