In response to the increased demand for fuel efficiency and sustainability, companies are seeking advancements in tire technologies to decrease fuel consumption by reducing rolling resistance. The addition of filler nanoparticles (NPs) is central to reinforcing rubber. In this study, we use polymer grafted silica particles to get better control over the dispersion of the particles in an elastomeric matrix. We systematically vary the dispersion state of NPs by tuning parameters such as grafting density and ratio of matrix chain length to graft chain length. We subsequently studied the mechanical reinforcement in the uncrosslinked and the crosslinked state. The results of these investigations will be presented here.

Dynamic properties of filled elastomers

ACS Fall 2021

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