shape-memory polymer

https://doi.org/10.1351/goldbook.ST07194
Polymer that, after heating and being subjected to a plastic deformation, resumes its original shape when heated above its glass-transition or melting temperature.
Note:
Crystalline @[email protected]-polyisoprene is an example of a shape-memory polymer.
Source:
PAC, 2004, 76, 889. 'Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)' on page 903 (https://doi.org/10.1351/pac200476040889)