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Keywords:

  • dendrimers;
  • liquid crystals;
  • nanostructures;
  • nematic mesophase;
  • networks

Abstract

Thumbnail image of graphical abstract

Schematic of the nematic dendritic network prepared here.

Summary: A nematic liquid crystalline network based on a poly(propylene imine) dendrimer [PPI-(NH2)32 (G = 4)] was prepared in the form of films. In the network the PPI dendritic molecules are partially functionalised with a chiral aldehyde and are connected to each other by an achiral dialdehyde. The phase behaviour of the network was investigated by polarising-light optical microscopy, differential scanning calorimetry, and X-ray diffractometry. Thermoelastic measurements ruled out the possible elastomeric nature of the material.