Selectively actuated multi-shape memory effect of a polymer multicomposite

The multicomposite styrene-based shape memory polymer can be selectively actuated by applying selective stimuli due to the selective heating properties of Fe₃O₄(30 kHz alternating magnetic field) and CNT (13.56 MHz radiofrequency field) nanofillers. Therefore, the multicomposite possesses a well-controlled multiple temporary shape recovery capability.