Asphalt anti-stripping agent as well as preparation method and application thereof
A technology of anti-stripping agent and asphalt, which is applied in its preparation and the field of asphalt anti-stripping agent, can solve the problems of complex preparation, poor thermal stability of asphalt anti-stripping agent, and need to improve water damage resistance, and achieve simple preparation method and comprehensive anti-stripping Excellent peeling performance and improved peeling resistance
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Embodiment 1
[0027] Add 7.5 parts by mass of dodecylbenzenesulfonic acid, 7.5 parts by mass of sodium lauryl glyceryl ether sulfonate, 15 parts by mass of nonylphenol polyoxyethylene ether NP-40, and 70 parts by mass of aromatic oil into the 80°C reaction kettle at the same time , stirred for 1 h to prepare the asphalt anti-stripping agent.
[0028] Heat the asphalt to 135°C, add 0.3wt% of the above-mentioned asphalt anti-stripping agent, and stir for 1 hour to obtain modified asphalt 1.
Embodiment 2
[0030] Add 10 parts by mass of dodecylbenzenesulfonic acid, 10 parts by mass of sodium lauryl glyceryl ether sulfonate, 15 parts by mass of nonylphenol polyoxyethylene ether NP-30, and 65 parts by mass of furfural extract oil to 60°C for reaction at the same time In the kettle, stir for 0.5h to prepare the asphalt anti-stripping agent.
[0031] Heat the asphalt to 145°C, add 0.2wt% of the above-mentioned asphalt anti-stripping agent, and stir for 0.5h to obtain modified asphalt 2.
Embodiment 3
[0033] Add 10 parts by mass of dodecylbenzenesulfonic acid, 15 parts by mass of sodium lauryl glyceryl ether sulfonate, 10 parts by mass of nonylphenol polyoxyethylene ether NP-20, and 65 parts by mass of aromatic oil into the 80°C reaction kettle at the same time , stirred for 1 h to prepare the asphalt anti-stripping agent.
[0034] Heat the asphalt to 140°C, add 0.2wt% of the above-mentioned asphalt anti-stripping agent, and stir for 1 hour to obtain modified asphalt 3.
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