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Molecular interactions and formation of lyotropic liquid crystals of hydroxyethyl cellulose acetate

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Summary

The relationship between the hydrogen bond (H-bond) interactions and the formation of the cholesteric liquid crystalline phase was studied by Fourier transform infrared spectroscopy (FTIR), refractometry and polarizing microscopy. It was quite evident that the H-bonding played an important role in the early stage of the formation of cholesteric liquid crystalline phase in hydroxyethyl cellulose acetate (HECA)/dimethyl sulfoxide (DMSO) solutions and the rigidity of the HECA chains was more important to form liquid crystalline phase than molecular interactions when the concentration is very high.

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Authors and Affiliations

  1. Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Academia Sinica, 510650, Guangzhou, People's Republic of China

    Yong Huang & Wen Liang

  2. Department of Polymer Materials Science and Engineering, South China University of Technology, 510641, Guangzhou, People's Republic of China

    Jia-Rui Shen

Authors
  1. Yong Huang
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  2. Wen Liang
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  3. Jia-Rui Shen
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Huang, Y., Liang, W. & Shen, JR. Molecular interactions and formation of lyotropic liquid crystals of hydroxyethyl cellulose acetate. Polymer Bulletin 35, 357–364 (1995). https://doi.org/10.1007/BF00963135

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  • DOI: https://doi.org/10.1007/BF00963135

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