Preparation method of binary blended PBT (polybutylene terephthalate) master batch and blended master batch prepared by method

The invention discloses a binary blended PBT master batch preparation method and a blended master batch prepared by the method wherein the method partially comprises the following steps: S1: providing PBT particles and ABS particles; s2, modifying the surfaces of ABS particles, and carrying out dry mixing on the modified ABS particles and a graphene complexing agent to obtain composite ABS particles; s3, blending the PBT particles, the composite ABS particles and a functional aid, and performing extrusion granulation to obtain blended PBT master batches; according to the preparation method, ABS particles are modified and compounded with a special graphene complexing agent, so that the graphene complexing agent can stably coat the surfaces of the ABS particles, and the problem of poor dispersibility of graphene in a blending system is solved; furthermore, the ABS particles carrying the coating graphene complexing agent to coat the surface can be well blended with the PBT particles, so that a binary blend is ob