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The Resarch for Asphalt Modified with Phosphorus Trichloride/SBS

  • F. Zhang and J.-Y. Yu
Published/Copyright: April 6, 2013
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Abstract

The high-temperature storage stability of styrene-butadiene-styrene triblock copolymer (SBS) modified asphalt can be improved to some extent with the addition of phosphorus trichloride. The dynamic mechanical and physical properties of SBS-modified asphalts before and after adding phosphorus trichloride were studied respectively. The addition of phosphorus trichloride to asphalt improved the high-temperature performance of asphalt and reduced its temperature susceptibility to a great extent with unfavourable effect on low-temperature ductility. The addition of SBS to phosphorus trichloride modified asphalt increased the low-temperature ductility, viscosity of asphalt and improved its high-temperature performance further. Different SBS structures influenced the rheological and physical properties of asphalt before and after adding phosphorous trichloride.


Mail address: Feng Zhang, Key Laboratory of Silicate Materials Science and Engineering of China Education Ministry, Wuhan University of Technology, Wuhan, 430070, PRC. E-mail:

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Received: 2008-07-26
Accepted: 2009-01-11
Published Online: 2013-04-06
Published in Print: 2009-05-01

© 2009, Carl Hanser Verlag, Munich

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