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Shape-Memory Effects in Polymer Networks Containing Reversibly Associating Side-Groups


  • Acknowledgement is made to the donors of The American Chemical Society Petroleum Research Fund for partial support of this research. M.W. acknowledges support from a Horton Fellowship administered through the Laboratory of Laser Energetics at the University of Rochester.


A new type of lightly crosslinked shape-memory polymer that contains reversibly associating side-groups is reported. H-bonding interactions stabilize mechanically strained states at low temperatures. The materials' shape recovery rate exhibits Arrhenius-like temperature dependence due to the dynamics of H-bond dissociation.

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