Research on Viscoelasticity of Modiifed Bitumen Containing LDHs Anti-UV Aging Agent

武汉理工大学学报-材料科学版(英文版), 2015, (6): 1321-1324. doi: 10.1007/s11595-015-1315-2

LIU Xing ^1, , WU Shaopeng ^2, , LIU Gang ^3, , MA Shankui ^4,

1.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

2.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

3.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

4.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

基金项目: the National Basic Research Program of China(2014CB932104) the Key Scientiifc Apparatus Development Program from the Ministry of Science and Technology of China(2013YQ160501) the Natural Science Foundation of China(51278392) the Science and Technology Plan Projects of the Ministry of Transport of China(2013318811250)

Research on Viscoelasticity of Modiifed Bitumen Containing LDHs Anti-UV Aging Agent

Keywords： bitumen

We applied LDHs to modify the bitumen by melt blending, and studied the viscoelasticity of LDHs modiifed bitumen by means of dynamic shear rheometer (DSR). The creep test was used to evaluate the viscoelastic behavior. The experimental results indicated that, due to the addition of the LDHs, the viscoelastic properties of modiifed bitumen were superior to those of pristine bitumen. Therefore, the LDHs would be an alternative to modiifers used in the bitumen to improve the UV-aging resistance during the service of asphalt pavement.

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Research on Viscoelasticity of Modiifed Bitumen Containing LDHs Anti-UV Aging Agent

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