1. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
2. Dow, Inc., Midland, Michigan 48667, United States
3. Dow, Inc., Lake Jackson, Texas 77566, United States
4. Michigan State University, East Lansing, Michigan 48910, United States
5. Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, University of Naples, Federico II, P. le Tecchio 80, 80125 Naples, Italy