Dynamic mechanical properties are another important means to characterize rubber properties, especially tire tread rubber, which directly affects tire tread resistance and rolling resistance. Dynamic mechanical properties are characterized by dynamic viscoelastic curves. In the process of systematic research, it is recognized that the tanδ value at 60°C can reflect the rolling resistance of the vulcanized rubber in the rolling process, the tanδ value at 80 °C reflects the thermal performance, and the tanδ value at 0°C can characterize the anti-skid performance of the vulcanized rubber
Vulcanization of rubber is the use of vulcanizing agent to cross-link rubber macromolecules. Vulcanizing agent is the earliest developed and the earliest industrialized crosslinking agent variety, which occupies an extremely important position in the rubber industry. When curing, especially when curing with sulfur, in addition to curing agent, it is generally necessary to add "curing accelerator" and "active agent" in order to complete curing well. Sometimes in order to avoid early vulcanization, that is, burning, but also to add anti-coke agent.