Curing agents include sulfur, selenium, inorganic peroxides, sulfur-containing compounds, amines, resins, metal oxides and other curing agents;

Active agents include magnesium oxide, zinc oxide, stearic acid and so on; ,

The vulcanization accelerators include xanthate, dithiocarbamate, thiuram, amine and aldehyde-amine condensates, thiourea and guanidine;

One of the most commonly used is sulfur, because the vulcanized rubber with pure sulfur is not only poor physical machine function, but also the cross-linking efficiency and density are very low, so the pure sulfur system is rarely used in the rubber formula. Generally, inorganic polysulfides and inorganic peroxides are used, and the use of these vulcanizing agents can improve the special functions of heat resistance and aging resistance of rubber compounds. And in the end of the vulcanization can be combined with some chemicals to promote the vulcanization response, so as to improve the efficiency of consumption and the function of the rubber, these chemicals are vulcanization accelerator.

The active agent refers to the chemical that can add the activity of vulcanization accelerator, improve the vulcanization efficiency and the function of vulcanization rubber, such as zinc oxide, calcium oxide, magnesium oxide, stearic acid and so on.

The use of anti-coke agent is due to the late vulcanization scene in the processing process of rubber material, that is, scorch, so it is necessary to participate in some chemicals that can inhibit the onset of late vulcanization, these drugs are anti-coke agents, but the use of anti-coke agents will slow down the vulcanization rate, so that the function of vulcanization rubber deteriorates, and the price of anti-coke agents is more expensive, so unless special conditions, It is rarely used.

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