Meanwhile, a large number of microvoids are formed on the tensile fracture surface of the blends, indicating a cavitation mechanism, which is the typical energy absorption mechanism for rubber toughed materials [12,26].
Meanwhile,a large number of microvoids are formed on thetensile fracture surface of the blends, indicating a cavitationmechanism, which is the typical energy absorption mechanismfor rubber toughed materials [12,26].