Warm mix polymer modified asphalt mixture and preparation method thereof
A modified asphalt and polymer technology, applied in the direction of climate change adaptation, etc., can solve the problems of poor thermal stability and anti-aging performance of asphalt, environmental pollution, etc., and achieve improved anti-aging performance, shortened reaction time, and stable performance Effect
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Embodiment 1
[0060] (1) Preparation of warm mix
[0061] Using Ni metal as a catalyst, the CO obtained after gasification of coal is combined with H 2 The synthesis reaction is carried out to obtain mixed alkanes in which alkanes with a carbon number of 30 to 60 account for 90%.
[0062] ①Weigh 1000g of the above mixed alkane, about 1.2mol, put it in a closed container, heat it to 480℃, add 3g catalyst anhydrous CuCl 2 , keep introducing 0.89 mol of chlorine at this temperature, and feed nitrogen to keep the pressure of the reaction vessel at 3MPa, and react for 30min to obtain an intermediate;
[0063] ②Weigh 7000g of minus four-line extraction oil with an aromatic content of 70%, and add 441g of the complex [Cu(NH4)] to it. 3 ) 4 ]SO 4 , installed in another container and heated to 350 ° C, and stirred at a constant temperature for 180 min at this temperature to obtain an aromatic complex component;
[0064] 3. Introducing the aromatic hydrocarbon complex component into the above inte...
Embodiment 2
[0070] (1) Preparation of warm mix
[0071] Using Co metal as a catalyst, the CO obtained after gasification of coal is combined with H 2 The synthesis reaction is carried out to obtain mixed alkanes in which alkanes with a carbon number of 30 to 130 account for 90%.
[0072] ①Weigh 3500g of the above mixed alkane, about 4.5mol, put it in a closed container, heat it to 400℃, add 31.5g 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 an intermediate;
[0073] ②Weigh 1000g of catalytic cracking oil slurry with an aromatic content of 63%, and add 19g of complex K to it 4 [Fe(CN) 6 ], installed in another container and heated to 270°C, and stirred at this temperature for 120min at a constant temperature to obtain an aromatic complex component;
[0074] 3. Introducing the aromatic hydrocarbon complex component into the above intermediate, kee...
Embodiment 3
[0080] (1) Preparation of warm mix
[0081] Using Fe metal as a catalyst, the CO obtained after gasification of coal is combined with 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%.
[0082] ①Weigh 1000g of the above mixed alkane, about 0.8mol, put it in a closed container, heat it to 440℃, add 6g catalyst anhydrous NiCl 2 , keep introducing 0.31mol of fluorine at this temperature, and feed nitrogen to keep the pressure of the reaction vessel at 4MPa, and react for 45min to obtain an intermediate;
[0083] ②Weigh out 3500 g of phenol refined extract oil with an aromatic content of 78%, and add 164 g of the complex [Ni(CO) 4 ], placed in another container and heated to 310°C, and stirred at a constant temperature for 160min at this temperature to obtain an aromatic complex component;
[0084] 3. Introducing the aromatic complex component into the above intermediate, keeping the temperature at...
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