Concentration dependence of magnetic field effects on the ethyl-cyanoethyl cellulose/dichoroacetic acid cholesteric phase

Linge Wang Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, PR China

Yong Huang Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, PR China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 10080, PR China

Abstract

The effects of an external magnetic field with intensity 9.4 T on the cholesteric phase in ethylcyanoethyl cellulose (E-CE)C]/dichloroacetic acid liquid crystalline solutions were investigated for different concentrations. It was found that the diamagnetic anisotropy of (E-CE)C is negative and the effect of the magnetic field on the orientation of the cholesteric phase is influenced by the concentration of the solution, because the liquid crystalline properties of the solutions vary with the concentration.

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Concentration dependence of magnetic field effects on the ethyl-cyanoethyl cellulose/dichoroacetic acid cholesteric phase

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Concentration dependence of magnetic field effects on the ethyl-cyanoethyl cellulose/dichoroacetic acid cholesteric phase

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