Studies on Lyotropic Liquid Crystal Formation in the Ternary Systems of a Type of New Cationic Surfactant/n‐Butanol/Water by ²H Quadrupolar Splitting and X‐Ray Diffraction

Wei Xi‐Lian Department of Chemistry, Liaocheng University, Liaocheng, Shandong Province, China

Liu Jie Department of Chemistry, Liaocheng University, Liaocheng, Shandong Province, China

Yin Bao‐Lin Department of Chemistry, Liaocheng University, Liaocheng, Shandong Province, China

Sun De‐Zhi Department of Chemistry, Liaocheng University, Liaocheng, Shandong Province, ChinaCorrespondence[email protected]

Wang Zhong‐Ni Department of Chemistry, Liaocheng University, Liaocheng, Shandong Province, China

Li Gan‐Zuo Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, China

Abstract

A new phenomenon, lyotropic liquid crystals appearing in different colors, has been observed under polarized light microscopy in the ternary systems of a cationic surfactant, 3‐alkoxy‐2‐hydroxypropyltrimethyl ammonium bromide/n‐butanol/water. Some florid multicolor photographs clearly showing texture structure of liquid crystal have been obtained using a polarizing‐light microscope. The structural transformation of these special lyotropic liquid crystals has been confirmed by differential scanning calorimeter (DSC). Small‐angle X‐ray scattering and ²H nuclear magnetic resonance (²H NMR) were employed to confirm the structure of these liquid crystals.

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Studies on Lyotropic Liquid Crystal Formation in the Ternary Systems of a Type of New Cationic Surfactant/n‐Butanol/Water by ²H Quadrupolar Splitting and X‐Ray Diffraction

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Studies on Lyotropic Liquid Crystal Formation in the Ternary Systems of a Type of New Cationic Surfactant/n‐Butanol/Water by 2H Quadrupolar Splitting and X‐Ray Diffraction

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Studies on Lyotropic Liquid Crystal Formation in the Ternary Systems of a Type of New Cationic Surfactant/n‐Butanol/Water by ²H Quadrupolar Splitting and X‐Ray Diffraction