1. a Department of Chemical Engineering , Chang Gung University , Tao-Yuan, 33332, Taiwan
2. b Maurice Morton Institute and Department of Polymer Science , University of Akron , Akron, Ohio, U.S.A.
3. c Department of Polymer Sciences and Materials , Sichuan Union University , Chengdu, Sichuan, China
4. d Maurice Morton Institute and Department of Polymer Science , University of Akron , Akron, Ohio, U.S.A.
5. e Department of Chemistry , State University of New York at Stony Brook , Stony Brook, New York
6. f Central Research and Development Department, Experimental Station , E. I. du Pont de Nemours and Company , Wilmington, Delaware, U.S.A.
7. g Phillips Petroleum Company , Research and Development, Bartlesville, Oklahoma, U.S.A.