New biforked mesogen series
作者:
H.T. Nguyen,
C. Destrade,
J. Malthète,
期刊:
Liquid Crystals
(Taylor Available online 1990)
卷期:
Volume 8,
issue 6
页码: 797-811
ISSN:0267-8292
年代: 1990
DOI:10.1080/02678299008047390
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Four new series of biforked mesogens derived from 3,4-dialkoxybenzoic acids or 3,4-dialkoxybenzaldehydes have been prepared and studied. These derivatives exhibit an interesting polymorphism in which both columnar and lamellar mesophases exist in the same series and in some cases in the same compound. The short chain derivatives exhibit a nematic and/or a smectic C phase but those with long chains display the hexagonal, rectangular or oblique columnar phases. In some of them, a centred cubic phase is found.
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