Tuning the Liquid Crystal Period
by MaterialsViews.com staff published: 2009-12-04
Variations in liquid crystalline periodicity in polymer-surfactant complexes are important as they directly control the properties of the resulting materials. Generally, these variations are achieved by changing the nature of the surfactant or the composition of surfactant:polymer complexes. Mezzenga et al. have now shown in new work how the variations in the liquid crystalline periodicity of block copolypeptide surfactant ionic complexes can be tuned using random and block copolypeptides with amino acid sequence conferring an ampholytic behavior to the polymers, and demonstrate that this method do not suffer from the presence of well defined secondary structures along the polypeptide chains.
C. Li, Macromol. Rapid Commun. ; DOI: 10.1002/marc.200900633
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