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In the present study, hysteresis loss in the cyclic stress–strain curves of graded styrene–butadiene rubber (SBR) was compared with that of homogenously crosslinked SBR. The graded SBR was prepared by vulcanization in a temperature gradient, which provided a gradient of crosslink density in the thickness direction of the sheet. The graded SBR had a higher hysteresis loss ratio than the homogenously...