Table 2.

Most common SMPs, their applications, and their most prominent features.

SMP Type	Applications	Strength	Cost-Effectiveness	Biocompatibility
Polyurethane-based [76,77]	Biomedical devices, textiles, actuators	Moderate	Moderate	Varies (depends on formulation)
Polyethylene-based [80,81]	Textiles, automotive applications, robotics	Low to moderate	Low to moderate	Generally good
Polyvinyl-based [70,72]	Biomedical devices, textiles	Low to moderate	Moderate	Generally good
Epoxy-based [71]	Aerospace applications, robotics, deployable structures	Moderate to high	Moderate to high	Varies (depends on formulation)
Polycaprolactone [78,79]	Biomedical implants, drug delivery	Low to moderate	Moderate	Generally good
Polyethylene terephthalate (PET) [80,81]	Textiles, packaging, automotive applications	Moderate to high	Moderate to high	Generally good