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Anti-Hofmeister series properties found for a polymer having a π electron system and acidic protons

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Abstract

Anti-Hofmeister series properties have been found for a polymer (PVA-T) having a π electron system and acidic protons, which were prepared by introducing trimellitic anhydride to poly(vinyl alcohol) (PVA). Aqueous dispersion of PVA-T became clear in the presence of 1 M Na2SO4, a typical kosmotrope, due to dissolution of the solid polymer sample, while the turbidity in the presence of 1 M KSCN, a typical chaotrope, hardly changed. Being consistent to the salt effects, PVA-T hydrogel, which was prepared by chemical cross-linking, showed marked swelling in sulfate solutions, whereas the swelling degree was only marginal in thiocyanates.

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Acknowledgement

This study was partly supported by a grant-in-aid for JSPS fellows (19·07798).

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Authors and Affiliations

  1. Department of Chemistry and Materials Science, Tokyo Institute of Technology, 152-8550, Tokyo, Japan

    Masato Mori, Jianquan Wang & Mitsuru Satoh

  2. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People’s Republic of China

    Jianquan Wang

Authors
  1. Masato Mori
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  2. Jianquan Wang
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  3. Mitsuru Satoh
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Correspondence to Mitsuru Satoh.

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Mori, M., Wang, J. & Satoh, M. Anti-Hofmeister series properties found for a polymer having a π electron system and acidic protons. Colloid Polym Sci 287, 123–127 (2009). https://doi.org/10.1007/s00396-008-1965-0

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  • DOI: https://doi.org/10.1007/s00396-008-1965-0

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