Paper Title:
Study on Thermal Oxidation of Asphalt Fractions by In Situ FTIR Analysis
  Abstract

Base asphalt can be separated into four fractions, which are saturates, naphetene aromatics, polar-aromatics and asphaltenes. The thermal oxidation process of each fraction was studied by in-situ Fourier transform infrared (FTIR) analysis in different atmospheres in this paper. And the results show that each fraction in nitrogen atmosphere has no obvious aging phenomenon, while in oxygen and air atmosphere, only saturates and naphetene aromatics have a drastic change because of thermal oxidation, and polar-aromatics and asphaltenes almost keep unchanged. When adding 2.5% antioxidant 300 or 5% SBS respectively to saturates and naphthene aromatics, it can be found from the results that the degree of thermal oxidation of these two components decrease.

  Info
Periodical
Advanced Materials Research (Volumes 160-162)
Edited by
Guojun Zhang and Jessica Xu
Pages
330-335
DOI
10.4028/www.scientific.net/AMR.160-162.330
Citation
X. J. Cao, Y. B. Lei, W. Wang, "Study on Thermal Oxidation of Asphalt Fractions by In Situ FTIR Analysis", Advanced Materials Research, Vols. 160-162, pp. 330-335, 2011
Online since
November 2010
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Price
$32.00
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