A warm asphalt mixing agent, its preparation method and application
A warm-mix agent and asphalt technology, applied in the field of asphalt warm-mix agent and additives for warm-mix asphalt, can solve the problems of environmental pollution, use temperature, poor thermal stability and anti-aging performance, and high service temperature, and achieve stable performance. , Improve the anti-aging performance and take into account the effect of high and low temperature performance
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Embodiment 1
[0041] (1) Preparation of warm mix agent
[0042] Using Ni metal as a catalyst, the CO obtained after gasification of coal, and H 2 The synthesis reaction is carried out to obtain mixed alkanes in which alkanes with carbon numbers of 30 to 60 account for 90%.
[0043] ①Weigh 1000g of the above-mentioned mixed alkanes, about 1.2mol, put them in a closed container, heat to 480°C, add 3g of catalyst anhydrous CuCl 2 , keep introducing 0.89mol of chlorine at this temperature, and feed nitrogen to keep the pressure of the reaction vessel at 3MPa, and react for 30min to obtain the intermediate;
[0044] ②Weigh 7000g of the fourth-line extraction oil with 70% aromatics content, and add 441g of complex [Cu(NH 3 ) 4 ] SO 4 , placed in another container and heated to 350°C, and kept stirring at this temperature for 180min to obtain aromatic hydrocarbon complex components;
[0045] ③Introduce the aromatic hydrocarbon complexing component into the intermediate, keep the temperature a...
Embodiment 2
[0049] (1) Preparation of warm mix agent
[0050] Using Co metal as a catalyst, the CO obtained after gasification of coal, and H 2 The synthesis reaction is carried out to obtain mixed alkanes in which alkanes with carbon numbers of 30 to 130 account for 90%.
[0051] ① Weigh 3500g of the above-mentioned mixed alkanes, about 4.5mol, put them in a closed container, heat to 400°C, add 31.5g of catalyst anhydrous MnCl 2 , keep introducing 1.16mol of chlorine at this temperature, and feed nitrogen to keep the pressure of the reaction vessel at 5MPa, and react for 60min to obtain the intermediate;
[0052] ②Weigh 1000g of catalytic cracking oil slurry with an aromatics content of 63%, and add 19g of complex K to it 4 [Fe(CN) 6 ], placed in another airtight container and heated to 270 ° C, stirred at this temperature for 120 min at a constant temperature to obtain the aromatic complex component;
[0053] ③Introduce the aromatic hydrocarbon complexing component into the above-me...
Embodiment 3
[0057] (1) Preparation of warm mix agent
[0058] Using Fe metal as a catalyst, CO obtained from gasification of coal, and H 2 The synthesis reaction is carried out to obtain mixed alkanes in which alkanes with carbon numbers of 70 to 90 account for 90%.
[0059] ①Weigh 1000g of the above-mentioned mixed alkanes, about 0.8mol, put them in a closed container, heat to 440°C, add 6g of catalyst anhydrous NiCl 2 , keep the temperature and introduce 0.31mol of fluorine, and feed nitrogen to keep the pressure of the reaction vessel at 4MPa, and react for 45min to obtain the intermediate;
[0060] ②Weigh 3500g of phenolic refined extract oil with aromatics content of 78%, and add 164g of complex Ni(CO) to it 4 , placed in another airtight container and heated to 310°C, stirred at a constant temperature for 160min at this temperature to obtain the aromatic complex component;
[0061] ③Introduce the aromatic hydrocarbon complexing component into the above-mentioned intermediate, kee...
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