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Controlled synthesis of sugar-containing poly(ionic liquid)s.

Jing Chen1, Die Li, Chunyang Bao

  • 1Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China. zhangqiang@njust.edu.cn.

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|February 29, 2020
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Researchers developed a simple method to create sugar-containing poly(ionic liquid)s (PILs). This involved controlled polymerization of 4-vinyl pyridine followed by modifications to introduce sugar units and diverse anions.

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Organic Synthesis

Background:

  • Poly(ionic liquid)s (PILs) are advanced polymers with unique properties.
  • Incorporating functional groups like sugars can tailor PIL characteristics.
  • Efficient synthesis of functional PILs remains an area of interest.

Purpose of the Study:

  • To develop a facile and efficient synthetic route for sugar-containing pyridinium-based poly(ionic liquid)s (PILs).
  • To create a library of functional PILs with tunable properties through varied anions.
  • To demonstrate the versatility of reversible deactivation radical polymerization for PIL synthesis.

Main Methods:

  • Utilized reversible deactivation radical polymerization of 4-vinyl pyridine in a self-generating biphasic system.
  • Performed post-polymerization quaternization of the pyridine units.
  • Conducted anion exchange reactions to introduce various counter-anions.

Main Results:

  • Successfully synthesized well-defined poly(4-vinyl pyridine) precursors.
  • Generated a diverse library of sugar-functionalized pyridinium-based PILs.
  • Demonstrated control over polymer architecture and anion composition.

Conclusions:

  • The reported method offers a straightforward approach to sugar-functionalized PILs.
  • The synthesized PILs possess tunable properties due to varied sugar units and anions.
  • This work expands the accessibility of functional PILs for various applications.