Property of Anti-Ultraviolet Aging of LDHs Modified Asphalt  

作　　者：李贺川 YU Jianying 吴少鹏 PANG Ling LI Yuanyuan WU Yaqi 

机构地区：[1]State Key Laboratory of Silicate Materials of Architectures, Wuhan University of Technology, Wuhan 430070, China [2]China University of Geosciences, Wuhan 430074, China

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2018年第3期634-638,共5页武汉理工大学学报（材料科学英文版）

基　　金：supported by the National Natural Science Foundation of China (No. 51778515);Ministry of Science and Technology National Key R&D Plan (No. 2017YFE0111600)

摘　　要：LDHs was introduced into 70# asphalt binder by different weight ratio. Asphalt penetration test, soft point test, ductility test, viscosity test, dynamic shear rheometer（DSR） test and Fourier transform infrared（FTIR） test, were conducted to characterize and predict the LDHs modified asphalt. Research results indicated that the LDHs has great effect on resistance to UV of asphalt, which makes the asphalt absorb less ultraviolet radiation under the same UV intensity. Complex modulus, phase angle and FTIR test results indicate that the LDHs can significantly enhance the property of anti-ultraviolet aging of asphalt. The test results show that the LDHs has an obvious improvement on the anti UV aging of asphalt.LDHs was introduced into 70# asphalt binder by different weight ratio. Asphalt penetration test, soft point test, ductility test, viscosity test, dynamic shear rheometer（DSR） test and Fourier transform infrared（FTIR） test, were conducted to characterize and predict the LDHs modified asphalt. Research results indicated that the LDHs has great effect on resistance to UV of asphalt, which makes the asphalt absorb less ultraviolet radiation under the same UV intensity. Complex modulus, phase angle and FTIR test results indicate that the LDHs can significantly enhance the property of anti-ultraviolet aging of asphalt. The test results show that the LDHs has an obvious improvement on the anti UV aging of asphalt.

关 键 词：asphalt binder LDHS UV aging DSR FTIR 

分 类 号：U414[交通运输工程—道路与铁道工程]