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April 3, 2026npj Soft MatterOpen Access

Mechanical anisotropy in compressive-stress shape-programmed liquid crystal elastomers and polymer-dispersed liquid crystal elastomer composites

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Authors

MLMarta LavričJožef Stefan InstituteLKLuka Racman KnezFaculty of Polymer TechnologyVDValentina DomeniciUniversity of Pisa

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Implication

Investigates mechanical anisotropy in compressively programmed liquid crystal elastomers, indicating unique shape-memory properties.

Key Points

  • This research aims to explore the mechanical properties of shape-programmed liquid crystal elastomers (LCEs) and their composites (PDLCEs) under compressive stress.
  • Examined thermomechanical properties of polymer-dispersed liquid crystal elastomer composites (PDLCEs).
  • Conducted compressive programming to induce mechanical anisotropy.
  • Performed directional stress-strain and thermomechanical tests to assess properties and behavior.
  • Evaluated degree of mesogen ordering in LCEs and applied a modified Halpin–Tsai model for analysis.
  • PDLCEs retain mechanical properties similar to pure LCEs despite the inclusion of a soft silicone matrix.
  • Induced mechanical anisotropy enhanced the material's response to compressive stress.
  • The shape-memory capabilities were confirmed under thermal cycling conditions.

Cite This Study

Lavrič et al. (2026) studied this question.

synapsesocial.com/papers/69cf5f505a333a821460e6aehttps://doi.org/10.1038/s44431-026-00022-z
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