期刊论文

中文

化工新型材料

1006-3536

2023

51

04

307-312+317

国家自然科学基金(52172063) 湖南省教育厅优秀青年科研项目(19B038)。

本校为第一机构

为研究环氧沥青的高温性能,制备了环氧树脂掺量不同的改性沥青进行动态剪切流变试验并探究了固化时间对环氧沥青流变性能的影响。结果表明,随着环氧树脂含量的增加及固化时间的延长,沥青的复数剪切模量G*和车辙...展开更多 为研究环氧沥青的高温性能,制备了环氧树脂掺量不同的改性沥青进行动态剪切流变试验并探究了固化时间对环氧沥青流变性能的影响。结果表明,随着环氧树脂含量的增加及固化时间的延长,沥青的复数剪切模量G*和车辙因子G*/sinδ增大,相位角δ和蠕变变形量减小,这表明环氧树脂改性使沥青的刚性明显增强,有利于提高其抗车辙性能。基于分子动力学模拟了环氧沥青的流变行为,通过对内...

In order to investigate the high temperature stability of epoxy asphalt(EA),modified asphalts with different epoxy resin contents were prepared.The effect of curing time on the rheological properties of epoxy asphalt was explored by dynamic shear rheometer(DSR).The expe...MORE In order to investigate the high temperature stability of epoxy asphalt(EA),modified asphalts with different epoxy resin contents were prepared.The effect of curing time on the rheological properties of epoxy asphalt was explored by dynamic shear rheometer(DSR).The experi...