New side‐chain liquid‐crystalline ionomers. I. Synthesis and characterization of a homopolymer derived from ionic mesogenic groups
作者： Bao-Ling Zang , Jian-She Hu , Fan-Bao Meng , Bao-Yan Zhang
DOI: 10.1002/APP.20692
关键词:
摘要: Liquid-crystalline monomer cholesteryl 4-allyloxybenzoate (M1), new ionic mesogenic 4-allyloxy-3-(potassium sulfonate)benzoate (M2), and corresponding polymer P1 ionomer P2 were synthesized. The chemical structures of the monomers homopolymer confirmed with Fourier transform infrared 1H-NMR spectroscopy. properties studied differential scanning calorimetry, thermogravimetric analysis, polarizing optical microscopy, X-ray diffraction measurements. effect units on phase behavior was examined. M1 showed a cholesteric phase, M2 revealed smectic A phase. displayed phases. experimental results demonstrated that addition to molecule not only affected phase-transition temperature but also changed type. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 93: 2511–2516,
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