1. State Key Laboratory of Polymer Materials EngineeringPolymer Research InstituteSichuan University Chengdu 610065 P. R. China
2. Surfix B.V. Bronland 12 B 1, Plus Ultra Building Wageningen 6708 WH The Netherlands
3. Laboratory of Organic ChemistryWageningen University Stippeneng 4 Wageningen 6708 WE The Netherlands
4. School of Pharmaceutical Sciences and TechnologyTianjin University 92 Weijin Road Tianjin 300072 P. R. China
5. Department of Chemical and Materials EngineeringKing Abdulaziz University Jeddah 21589 Saudi Arabia