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Materials 2017, 10(1), 48; doi:10.3390/ma10010048

The Utilization of Graphene Oxide in Traditional Construction Materials: Asphalt

State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
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Academic Editor: Nicola Pugno
Received: 11 November 2016 / Revised: 5 January 2017 / Accepted: 5 January 2017 / Published: 7 January 2017

Abstract

In the advanced research fields of solar cell and energy storing materials, graphene and graphene oxide (GO) are two of the most promising materials due to their high specific surface area, and excellent electrical and physical properties. However, they was seldom studied in the traditional materials because of their high cost. Nowadays, graphene and GO are much cheaper than before with the development of production technologies, which provides the possibility of using these extraordinary materials in the traditional construction industry. In this paper, GO was selected as a nano-material to modify two different asphalts. Then a thin film oven test and a pressure aging vessel test were applied to simulate the aging of GO-modified asphalts. After thermal aging, basic physical properties (softening point and penetration) were tested for the samples which were introduced at different mass ratios of GO (1% and 3%) to asphalt. In addition, rheological properties were tested to investigate how GO could influence the asphalts by dynamic shearing rheometer tests. Finally, some interesting findings and potential utilization (warm mixing and flame retardants) of GO in asphalt pavement construction were explained. View Full-Text
Keywords: graphene oxide; asphalts; penetration; softening point; rheological properties graphene oxide; asphalts; penetration; softening point; rheological properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zeng, W.; Wu, S.; Pang, L.; Sun, Y.; Chen, Z. The Utilization of Graphene Oxide in Traditional Construction Materials: Asphalt. Materials 2017, 10, 48.

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