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Water soluble 3-mono-O-ethyl cellulose: Synthesis and characterization

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Summary

The synthesis of 3-mono-O-ethyl cellulose (EC) via 2,6-di-O-thexyldimethylsilyl cellulose was studied. Treatments with tetrabutylammonium fluoride trihydrate lead to the complete cleavage of the protective group. The structure of the polymer was confirmed by means of one- and two dimensional NMR spectroscopy. 3-mono-O-EC is soluble both in aprotic-dipolar organic media and water and shows thermoreversible gelation. A gelation temperature of 58.5 °C was found, which is about 30 °C higher than the cloud point temperature of conventional water soluble EC.

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Authors and Affiliations

  1. Kompetenzzentrum Polysaccharidforschung, Friedrich-Schiller-Universität Jena, Humboldtstrasse 10, D-07743, Jena, Germany

    Andreas Koschella, Dominik Fenn & Thomas Heinze

Authors
  1. Andreas Koschella
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  2. Dominik Fenn
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  3. Thomas Heinze
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Correspondence to Thomas Heinze.

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Koschella, A., Fenn, D. & Heinze, T. Water soluble 3-mono-O-ethyl cellulose: Synthesis and characterization. Polym. Bull. 57, 33–41 (2006). https://doi.org/10.1007/s00289-006-0534-2

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  • DOI: https://doi.org/10.1007/s00289-006-0534-2

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