1. Department
of Chemical and Biomolecular Engineering, The University of Akron, Akron, Ohio 44325-3906, United States
2. Department
of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013, P. R. China
3. Department
of Polymer Science, The University of Akron, Akron, Ohio 44325-3909, United States