Modification ability of coal-derived heavy products for Binzhou 90
煤基重质产物对滨州90#沥青的改性作用

In comparison with the supreme commercial paving asphalt modifier TLA,three heavy products derived from the co-processing of coal with FCC slurry and one heavy product from a bench scale continuing coal liquefaction process have a similar modification ability to the same base asphalt(Binzhou 90#).Two modified asphalts(one by coal tar pitch and another one by the product from the co-processing) are excluded due to the dissatisfaction on ductility.FT-IR analysis shows that the addition of coal-derived heavy p...