Next Article in Journal
Synthetic Strategies in the Preparation of Polymer/Inorganic Hybrid Nanoparticles
Next Article in Special Issue
New Lyotropic Mixtures with Non-Chiral N-Acylamino Acid Surfactants Presenting the Biaxial Nematic Phase Investigated by Laser Conoscopy, Polarized Optical Microscopy and X-ray Diffraction
Previous Article in Journal
Visible-Light Active and Magnetically Recyclable Nanocomposites for the Degradation of Organic Dye
Previous Article in Special Issue
Optical Properties of Electrically Tunable Two-Dimensional Photonic Lattice Structures Formed in a Holographic Polymer-Dispersed Liquid Crystal Film: Analysis and Experiment
Materials 2014, 7(5), 4045-4056; doi:10.3390/ma7054045
Article

Novel Discotic Boroxines: Synthesis and Mesomorphic Properties

,
 and
*
Received: 8 April 2014 / Revised: 7 May 2014 / Accepted: 8 May 2014 / Published: 22 May 2014
(This article belongs to the Special Issue Liquid Crystals)
View Full-Text   |   Download PDF [816 KB, uploaded 22 May 2014]   |   Browse Figures

Abstract

A new synthetic approach to highly substituted triphenylboroxines 11 is described. Their mesomorphic properties were investigated by differential scanning calorimetry (DSC), polarizing optical microscopy (POM) and X-ray diffraction (SAXS, WAXS). The tris(3,4,5-trialkyloxy)phenyl functionalized derivatives 11be showed broad mesophases for a minimum alkyl chain length of C9. The phase widths ranged from 110 K to 77 K near room temperature, thus decreasing with enhanced alkyl chain lengths. Textures observed under POM indicated a columnar hexagonal (Colh) mesophase symmetry that was confirmed by X-ray diffraction experiments.
Keywords: boroxines; liquid crystals; columnar; synthesis boroxines; liquid crystals; columnar; synthesis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplement

Share & Cite This Article

Further Mendeley | CiteULike
Export to BibTeX |
EndNote
MDPI and ACS Style

Wöhrle, T.; Baro, A.; Laschat, S. Novel Discotic Boroxines: Synthesis and Mesomorphic Properties. Materials 2014, 7, 4045-4056.

View more citation formats

Related Articles

Article Metrics

For more information on the journal, click here

Comments

Cited By

[Return to top]
Materials EISSN 1996-1944 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert