Binder Characterization and Evaluation by Nuclear Magnetic Resonance Spectroscopy

Content Provider	Semantic Scholar
Author	Jennings, P. W. Pribanic, Joan A. S. Desando, Michael A. Raub, Michael F. Moats, Rex A. Smith, James Alan Mendes, T. M. McGrane, Marie Fanconi, Bruno Vanderhart, David L. Manders, William F.
Copyright Year	1993
Abstract	Nuclear magnetic resonance (NMR) spectroscopy was used in solution-state and solid-state experiments on 8 asphalt cements. Using a variety of chemical and solution-state NMR spectroscopic techniques, data were obtained about the amounts of aromatic carbon in an average molecule of asphalt sample, how the carbon is arranged in terms of size of the average aromatic system and the extent of substitution. By using solid-state NMR spectroscopic techniques, the structure of asphaltic cements was probed on a small-distance scale. Difference in molecular mobility were found among the asphalts studied. Changes in molecular mobility after laboratory oxidative aging were found to be small. The implications of these data with regard to the 'micellar model' of asphalt are discussed. The research results' potential impact on understanding asphalt cement properties is explored.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://onlinepubs.trb.org/onlinepubs/shrp/SHRP-A-335.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article