Zhong K.-L.,Key Laboratory for Organism Resources of the Changbai Mountain and Functional Molecules |
Zhong K.-L.,Yanbian University |
Man Z.,Key Laboratory for Organism Resources of the Changbai Mountain and Functional Molecules |
Man Z.,Yanbian University |
And 7 more authors.
Polymer International | Year: 2011
We report the synthesis and self-assembly behavior of coil-rod-coil molecules. These molecules each consist of two biphenyl groups and an anthracene unit connected with ethynyl bonds at the 1,8-position of anthracene as a rod segment, with methoxy or octyl groups at the 10-position of anthracene, and poly(ethylene oxide) with degrees of polymerization of 12 and 17 linked to the biphenyls as coil segments. Structural investigation of these molecules by means of differential scanning calorimetry, polarized optical microscopy and X-ray diffraction in the bulk state reveals that these molecules self-assemble into lamellar structures in the solid state, while, in the liquid-crystalline phase, they self-organize into various columnar assemblies depending on the volume fraction of coil segments. Copyright © 2011 Society of Chemical Industry We report the synthesis and self-assembly behavior of n-shaped coil-rod-coil molecules. The results reveal that these molecules self-assemble into various columnar assemblies in the liquid-crystalline mesophase, depending on the volume fraction of the coil segment. © 2011 Society of Chemical Industry. Source