Improving the Performance of Soluble Rubber Powder Asphalt Mixture with Eucommia Gum Grafted with Maleic Anhydride

Abstract:

After the paper uses a unique domestic natural rubber Eucommia to establish a chemical link between the asphalt and the solubility of the powder, analyzed the structure of the double bond vulcanization gutta percha and the solubility of the powder, gutta percha and asphalt amino group of the reaction maleic anhydride, and so gutta appreciate and a chemical link. Analysis then grafted with maleic anhydride mix and low temperature, water stability and mechanical properties, aging resistance. The results found, gutta vulcanized rubber powder can be promoted, but enhance mixing; material properties are not obvious. Maleic anhydride grafted gutta percha is established after the reaction network vulcanized rubber powder and asphalt, so that performance significantly. : Less than 2% when the dosage was added gutta percha grafted SBS modified asphalt to improve its high temperature and aging resistance, without reducing the low-temperature performance, and 1.5% ash graft gutta SBS modified to be most significant .

• Periodical: Key Engineering Materials (Volume 852)
• Pages: 170-179
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.852.170
• Online since: July 2020
• Authors: Si Meng Yan, Nai Sheng Guo*, Shi Gang Yan, Xin Jin
• Keywords: Eucommia Gum, Grafted Maleic Anhydride, Rubber Powder Asphalt, Soluble Rubber Powder

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