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Petroleum Science and Technology Volume 30, 2012 - Issue 2
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Original Articles

The Anti-aging Performance of Emulsified Asphalt

H. Zhao School of Petrochemical Engineering, Liaoning Shihua University, Liaoning, P. R. China
,
H.-P. Li School of Petrochemical Engineering, Liaoning Shihua University, Liaoning, P. R. China
,
K.-J. Liao School of Petrochemical Engineering, Liaoning Shihua University, Liaoning, P. R. China
&
Y.-G. Li FuShun Petrochina Company Detergent Chemical Plant, Liaoning, P. R. China
Pages 193-200 | Received 18 Feb 2010, Accepted 19 Mar 2010, Published online: 02 Dec 2011
 
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Abstract

In this study, emulsified asphalt was prepared using AH-90 asphalt donated by Liaohe oilfield (China) as original asphalt and dissymmetric Gemini quaternary ammonium salts cationic surfactant as emulsifier. The antiaging performance of emulsified asphalt was studied by means of a weight-loss coefficient method. Based on the relationship between content of n-pentane asphaltene and aging time, the aging kinetics equations were set up. From the results, it could be drawn that the antiaging performance of emulsified asphalt was better than that of original asphalt. The aging process belonged to the first-order reaction.

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