As for difficulty dispersing of carbon black, we use the organic toughening dispersant to make a special process and modification. It reduces the surface energy of the oleophilic carbon particles and weakens the force between the carbon black particles, which can fully open the aggregates of carbon black. And also, the optimized dispersants can help the dispersion of carbon black, which can make the fines particles of carbon black uniformly dis- tributed, thereby solve the difficulty of dispersal and ensure the quality of our products.