Article

Philic and Phobic Segregation in Liquid-Crystal Ionic Dendrimers: An Enthalpy-Entropy Competition

Instituto de Ciencia de Materiales de Aragón-CSIC, Universidad de Zaragoza, Plaza San Francisco s/n, 50009-Zaragoza, Spain.
Angewandte Chemie International Edition (Impact Factor: 11.26). 03/2010; 49(11):1990-4. DOI: 10.1002/anie.200905654
Source: PubMed

ABSTRACT

(Figure Presented) A molecular tug of war between non- and semifluorinated alkyl chains (see picture) occurs when they are forced together by ionic attachment to a poly(propylene imine) dendrimer. Unexpected mesomorphic properties appear as a consequence of the competition of both substituents to control the supramolecular organization of the molecules.

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