1. Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996,
United States
2. Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee
37831, United States
3. Hanwha Azdel, Inc., 2000 Enterprise Drive, Forest,
Virginia 24551, United States
4. High Institute for Elastomer Industries, Yanbu, Saudi Arabia, and Research
Foundation, University of Akron, Akron,
Ohio 44325, United States