On Some New Series of Biforked Mesogens
- 1 June 1988
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics
- Vol. 159 (1) , 163-171
- https://doi.org/10.1080/00268948808075269
Abstract
Two series of biforked mesogens derived from 3,4-or 3,5-dialkoxybenzoic acids are described. The 3,5-derivatives exhibit only one hexagonal columnar mesophase, but the 3,4-derivatives display an interesting polymorphism such that phases with both columnar and lamellar mesomorphic order exist for the same sample. The relationship between this behaviour and the number and position of the substituents is discussed.Keywords
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