Preparation method of special color master batch for EVA shoe material

The invention belongs to the technical field of preparation of special color master batches, and particularly relates to a preparation method of a special color master batch for an EVA shoe material, which comprises the following steps: S1, mixing EVA carrier resin, pigment and filler, and adding into an internal mixer for internal mixing; s2, adding the internally mixed material blocks obtained in the step S1 into an open mill for thin-passing to obtain crushed material blocks; s3, mixing the crushed material blocks obtained in the step S2 with EVA wax, a coupling agent, a stabilizer, an antioxidant and a lubricant, and adding the mixture into an internal mixer for internal mixing; s4, adding the internally mixed material blocks obtained in the step S3 into a screw extruder for extrusion, granulating through a granulator, filtering the mixture through a screen to remove substandard products, and ventilating and cooling the mixture to obtain the special color master batch for the EVA shoe material. According