1. Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials School of Materials Science and Engineering Changzhou University Changzhou 213164 China
2. School of Petrochemical Engineering Changzhou University Changzhou 213164 China
3. State Key L aboratory of Engines Tianjin University Tianjin 300072 China
4. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China