Synthesis and analysis of two-way-reversible shape-memory polymers

In this study, we synthesized semi-crystalline thermosetting polymer that have two-way-reversible shape memory effect (2W-SME) with a single crystalline phase and an amorphous phase. The polymer could be synthesized readily and its glass transition temperature (Tg) could be tuned over a wide range. The effect of acrylic monomers on the degree of cross-linking, the effects of different conditions, the applied stress, the acrylic monomers used, and the phase ratio of the crystalline and amorphous domains on the 2W-SME were studied. Measurement results confirmed that the polymer showed the 2W-SME and, the strongest 2W-SME achieved under the optimized conditions corresponded to a reversible deformation of 8.5%.