| abstract |
Zinc-free high-efficiency masterbatch type rare earth rubber accelerator and preparation method thereof belong to the field of rubber auxiliary preparation. The accelerator is prepared by combining the accelerator A with the polar rubber B, the antioxidant C and the compatibilizer D, wherein the accelerator A is a rare earth complex of dithiocarbamate, and the polar rubber B is a polar functional group. Rubber matrix. The preparation process of the invention comprises the steps of: encapsulating the polar rubber B on a double roll for mastication on an open mill, then sequentially adding the antioxidant C and the accelerator A for mixing, adding the compatibilizer D, and thinning the lower piece to obtain the final A masterbatch type rare earth rubber accelerator. The preparation method has the advantages of simple preparation process and convenient processing, and the prepared masterbatch-type rare earth accelerator has high-efficiency vulcanization promoting effect on non-polar rubber in the zinc-free vulcanization system, and is green and environment-friendly for non-polar rubber products. Significance. |