Controllable curvature from planar polymer sheets in response to light.

@article{Hubbard2017ControllableCF,
  title={Controllable curvature from planar polymer sheets in response to light.},
  author={Amber M. Hubbard and Russell W. Mailen and M. Zikry and M. Dickey and J. Genzer},
  journal={Soft matter},
  year={2017},
  volume={13 12},
  pages={
          2299-2308
        }
}
The ability to change shape and control curvature in 3D structures starting from planar sheets can aid in assembly and add functionality to an object. Herein, we convert planar sheets of shape memory polymers (SMPs) into 3D objects with controllable curvature by dictating where the sheets shrink. Ink patterned on the surface of the sheet absorbs infrared (IR) light, resulting in localized heating, and the material shrinks locally wherever the temperature exceeds the activation temperature, Ta… Expand
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