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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 6, Number 1
BKCSDE 6(1)
January 20, 1985

Title	Synthesis and Properties of Thermotropic Compounds with Two Terminal Mesogenic Units and a Central Spacer (Ⅵ). Homologous Series of α,ω-Bis[4-(p-substituted benzoyloxy)benzoyloxy]alkanes
Author	Jung-Il Jin, Churl-Min Seong, Byung-Wook Jo
Keywords
Abstract	The thermal and optical properties of two new series of thermotropic, liquid crystalline compounds were studied by differential scanning calorimetry and on the hot-stage of a polarizing microscope. The first series contained two identical mesogenic units, 4-(p-phenylbenzoyloxy) benzoate moieties, at both ends of the polymethylene spacer of varying lengths and the second series, mesogenic units with different substituents and the hexamethylene group as the central spacer. A thermodynamic analysis of the phase transitions of the compounds was made and the results were discussed in relation to their chemical structures.
Page	40 - 45
Full Text	PDF

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