In this paper, we studied retardation spectrum, a reaction coordinate model and activation energy in the dynamic creep process of a solution-polymerized SBR and a modified SBR that has functional groups in its chain, and contains carbon black, and estimated the dynamic creep process.
The dynamic creep process accompanies two physical phenomena such as breaking of weak physical bonds between rubber molecular chains, and transition to a stable structure of filler within matrix when there occurs no chemical reaction at room temperature.
We propose an approximate equation (by combining 1st creep and 2nd creep) about the dynamic creep curve.
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