Influence of VOC Emission on Asphalt Components

Volatile organic compounds (VOC) emission from different asphalts not only causes the change in the performances of the bitumen, but also its chemical compositions. This paper carried out four-component analysis to study the influence of VOC emission from different asphalts on bitumens chemical comp...

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Veröffentlicht in:Key engineering materials 2014-01, Vol.599, p.178-181
Hauptverfasser: Wu, Shao Peng, Qiu, Liu Jing Zi, Zhang, Hong Hua, Cui, Pei Qiang
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description Volatile organic compounds (VOC) emission from different asphalts not only causes the change in the performances of the bitumen, but also its chemical compositions. This paper carried out four-component analysis to study the influence of VOC emission from different asphalts on bitumens chemical compositions under different conditions. Results show that four-component of asphalts from different places is different. Also as the time of VOC emission increases, the total contents of resins and asphaltenes increase, but the total contents of saturates and aromatics decrease. VOC emission under different temperatures also has a great impact on the asphalt chemical components; Saturates and aromatics decrease in high temperature is larger than in low temperature, and there exists big differences in the asphalt surface layer and the internal of chemical components.
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subjects Asphalt
Asphaltenes
Bitumens
Chemical composition
Emission
Organic compounds
Polymers
Volatile organic compounds
title Influence of VOC Emission on Asphalt Components
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