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Citation: ZHU Lin, ZHANG Fu-Sheng. Liquid Crystal and Gelation Properties of Compounds with a Chromen-2-one Skeleton[J]. Chinese Journal of Applied Chemistry, ;2009, 26(10): 1189-1193. shu

Liquid Crystal and Gelation Properties of Compounds with a Chromen-2-one Skeleton

ZHU Lin ,
ZHANG Fu-Sheng ^a,,

1.
a Center of Analysis and Measurement, Jilin Institute of Chemical Technology, Jilin 132022;
2.
b College of Chemical and Material Engineering, Jilin Institute of Chemical Technology, Jilin 132022

Corresponding author: ZHANG Fu-Sheng,
Received Date: 8 October 2008
Available Online: 20 February 2009

4-Alkoxy-biphenyl-4'-carboxy-lates(2-n) was synthesized by introducing a benzyl ring on the side of alkoxy chain of chromen-2-one-6-yl 4-alkoxy benzoates(1-n). The liquid crystalline and gelation of compound 2-n were determined. Comparing with compound 1-n,compound 2-n exhibits enantiotropic nematic phase and can form gels with various organic solvents. The critical gel concentrations in various solvents were determined and the three-dimensional network structure consisting of xerogel fibrils was observed with a scanning electron microscope. Conclusively,intermolecular interactions around lactone moiety having a broad shape and a large dipole moment play important roles in enhancing the broad gelling ability.
- liquid crystals,
- gel,
- gelation,
- chromen-one,
- xerogel,
- low molecular mass organic gelators
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