Although insoluble sulfur powder is not flammable or explosive, and its frost formation is reduced due to the increased solubility in rubber, it is still an inorganic powder material with poor compatibility with the lipophilic rubber matrix, leading to powder mixing during the blending process. The mixing speed, dispersion speed, and uniformity are not ideal, thus the masterbatch is currently a promising rubber additive color masterbatch.

Superior rubber additives not only enhance processing properties and improve product quality levels, reduce energy consumption and production costs, but also prevent aging and degradation, extending service life.

Rubber Additive Recycling: Rubber accelerators are primarily small molecule organic substances. Compared to sulfur, they have better compatibility with the rubber matrix. However, due to their low quantity and even dispersion in rubber, they greatly influence the product's performance. Moreover, in most cases, sulfur is added to the accelerators in the later stages of mixing in an open mixer, thus preparing pre-dispersed masterbatch of accelerators is very meaningful, especially for commonly used accelerators like TBBS, CBS, and CBS masterbatch products. The application prospects in the tire industry are vast.

Rubber Additive Recycling: As a vulcanization activator, widely used in the rubber industry, and nanomaterials are of interest due to their small quantity. As ultra-fine inorganic polar powders, they are more difficult to disperse uniformly in oil-loving rubber matrices than thiophilic materials. The usual dosage is 3 to 5 parts, hence pre-dispersed masterbatch can also be utilized in the rubber industry. One of the potential raw materials.

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