| 预降解工艺对废胶粉改性沥青性能的影响 |
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| 引用本文： | 匡民明,王枫,周晓龙,李承烈. 预降解工艺对废胶粉改性沥青性能的影响[J]. 医学教育探索, 2015, 0(3): 328-334 |
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| 作者姓名： | 匡民明 王枫 周晓龙 李承烈 |
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| 作者单位： | 华东理工大学石油加工所， 上海 200237,华东理工大学石油加工所， 上海 200237,华东理工大学石油加工所， 上海 200237,华东理工大学石油加工所， 上海 200237 |
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| 摘 要： | 采用N 甲基吡咯烷酮（NMP）萃取糠醛抽出油中的芳烃组分，并利用糠醛抽出油NMP萃取油（FEONMP）对废胶粉预降解，将预降解产物作为改进剂与废胶粉混合后添加到沥青中进行研究。考察了传统湿法工艺和预降解工艺对废胶粉改性沥青性能的影响，采用动态剪切流变仪和荧光显微镜对废胶粉改性沥青的作用机理进行研究。结果表明，相比传统湿法工艺，预降解工艺能显著提高改性沥青的低温延度和高温存储稳定性。荧光显微图表明，由于废胶粉的预降解作用，预降解工艺能使废胶粉在沥青中形成连续交联的网络结构。
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| 关 键 词： | 废胶粉； 沥青； 改性； 降解 |
| 收稿时间： | 2014-09-29 |
Effect of Pre degraded Process on Performance of Crumb Rubber Modified Asphalt |
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| KUANG Min-ming,WANG Feng,ZHOU Xiao-long and LI Cheng-lie. Effect of Pre degraded Process on Performance of Crumb Rubber Modified Asphalt[J]. Researches in Medical Education, 2015, 0(3): 328-334 |
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| Authors: | KUANG Min-ming WANG Feng ZHOU Xiao-long LI Cheng-lie |
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| Affiliation: | Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China,Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China,Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China and Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China |
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| Abstract: | Abstract: Aromatic components were extracted with N methyl pyrrolidone (NMP) from furfural extraction oil, and crumb rubber (CR) was pre degraded in NMP extraction oil (FEONMP). Comparative studies were performed after pre degraded products were used as modifier which mixed with CR and asphalt blends. The effect of different processes on the performance of modified asphalt was investigated. Dynamic Shear Rheometer (DSR) and fluorescence microscope were used to elucidate the related mechanism for the modification. The result shows that low temperature performance and heat storage stability of modified asphalt obtained by pre degraded process are superior to that of modified asphalt obtained by traditional wet process. In addition, fluorescence microscope graphs demonstrate that pre degraded process can make CR to form continuous and interlocked network in the asphalt. |
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| Keywords: | crumb rubber asphalt modification degradation |
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