The effects of rubber powder/SEBS-g-MA blending ratio on mechanical properties and viscoelastic behavior of rubber powder/SEBS-g-MA composites were studied.The results showed that the composite had the best mechanical properties under 60/40 blending ratio.With the increase of the amount of rubber powder,the degree of stress relaxation increased.Furthermore,with the increase of heat treatment temperature,the degree of reversible recovery of stress relaxation first decreased and then increased.Meanwhile,the mullins effect gradually decreased with the increase of temperature.
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