| abstract |
The invention relates to the technical field of rubber additives, and discloses an environment-friendly comprehensive accelerator pre-dispersed master batch particle, a preparation method and application thereof, wherein the master batch particle comprises the following components in parts by weight: 20-40 parts of a polymer carrier; 20-40 parts of pyrithione salt compounds; 10-25 parts of bicyclic amidine compounds; 2-5 parts of an organic acid compound; 10-20 parts of an inorganic filler; 2-10 parts of a plasticizer; 2-10 parts of a dispersing agent. The invention utilizes the synergistic use effect of the pyrithione compound, the bicyclic amidine compound and the organic acid compound, does not generate potential toxic substances such as nitrosamine and the like in the vulcanization process, has the characteristics of long scorching time, high vulcanization speed and reversion resistance, can be used for replacing the existing guanidine accelerators, does not contain carcinogenic components such as o-toluidine and the like in the use process, and is safe and environment-friendly. |