| 초록 |
Shape memory polymers (SMPs) are smart materials that can have temporarily deformed shape and remember their original shape under external stimulus, such as temperature, light, electric field, and so on. Reversible plasticity shape memory polymers which can have a temporarily fixed shape without temperature programming are paid attentions due to their potential applications in actuators, self-healing materials, sensors and biomedical devices. In this study, we observed a reversible shape memory effects in poly(ether-amide) copolymer (PEBA) comprising poly(ethylene glycol) (PEG) as a soft block and nylon12 as a hard block. PEBA/graphene oxide(GO) nanocomposites was prepared by solvent casting method and it was revealed that the GO are selectively located in PEO block in the nanocomposites. Effects of molecular weight of PEG block and GO contents in the nanocomposites on the shape memory behavior was investigated. |
