Polymer solubility mechanism in ionic liquids: 1H-NMR spectra and two-parameter hydrogen bonding analysis

Ming-Xuan Du; Ya-Fei Yuan; Jin-Ming Zhang; Jia-Jian Liu; Chen-Yang Liu

doi:10.1039/D4CP01703J

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Polymer solubility mechanism in ionic liquids: ¹H-NMR spectra and two-parameter hydrogen bonding analysis†

Ming-Xuan Du,

*^a Ya-Fei Yuan,^a Jin-Ming Zhang,

^a Jia-Jian Liu

^a and Chen-Yang Liu*^ab

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
E-mail: dumingxuan@iccas.ac.cn, liucy@iccas.ac.cn

^b University of Chinese Academy of Sciences, Beijing, China

Abstract

Understanding the polymer solubility in ionic liquids (ILs) is important for polymer processing or polymeric material preparation. Previously, two-parameter H-bonding analysis has been proposed to clarify that polymer solubility in ILs is dominated by H-bonding interactions (Y. F. Yuan et al., Phys. Chem. Chem. Phys., 2021, 23, 21893–21900). In the present work, ¹H-NMR spectra are adopted to characterize the H-bonding interactions between polymers and ILs, which provide a microscopic relation between polymer solubility and two-parameter H-bonding analysis.

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Article information

DOI: https://doi.org/10.1039/D4CP01703J
Article type: Communication
Submitted: 25 Apr 2024
Accepted: 04 Jun 2024
First published: 04 Jun 2024

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Phys. Chem. Chem. Phys., 2024,26, 16942-16946

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Polymer solubility mechanism in ionic liquids: ¹H-NMR spectra and two-parameter hydrogen bonding analysis

M. Du, Y. Yuan, J. Zhang, J. Liu and C. Liu, Phys. Chem. Chem. Phys., 2024, 26, 16942 DOI: 10.1039/D4CP01703J

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