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Keywords:

  • time-temperature integrators;
  • shape memory;
  • cholesteric liquid crystals;
  • H-bonding;
  • inkjet printing
Thumbnail image of graphical abstract

On page 2723, Albertus P. H. J. Schenning, Cees W. M. Bastiaansen, and co-workers report the fabrication of a printable, optical, irreversible temperature sensor (e.g., a time-temperature integrator) by mechanical embossing of a chiral nematic polymer network, which yields a green colored film. A permanent color shift to orange is observed at temperatures above the glass transition temperature of the embossed film. Cover design by ICMS Animation Studio TU/e.