Thermal properties of novel supramolecular polymer networks based on poly(4-vinylpyridine) and disulfonic acids

Novel supramolecular polymer networks were prepared by the reaction of poly(4-vinylpyridine) (P4VP) with 1,5-naphthalenedisulfonic acid (NDS), 1,3-propanedisulfonic acid (PDS), or adipic acid (AA). The IR and XPS analyses of the polymer networks revealed that the P4VP/NDS complex has a higher ionic...

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Veröffentlicht in:Polymer (Guilford) 2004-10, Vol.45 (22), p.7571-7577
Hauptverfasser: Shibata, Mitsuhiro, Kimura, Yayoi, Yaginuma, Daisuke
Format: Artikel
Sprache:eng
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Zusammenfassung:Novel supramolecular polymer networks were prepared by the reaction of poly(4-vinylpyridine) (P4VP) with 1,5-naphthalenedisulfonic acid (NDS), 1,3-propanedisulfonic acid (PDS), or adipic acid (AA). The IR and XPS analyses of the polymer networks revealed that the P4VP/NDS complex has a higher ionic interaction between pyridinium cation and sulfonate anion than the P4VP/PDS complex, and that hydrogen bonding interaction between pyridine and carboxylic acid predominantly contributes for the P4VP/AA complex. When the glass transition temperatures of P4VP and P4VP/proton donor (1/1) complexes are compared, the higher order was P4VP/NDS>P4VP/PDS>P4VP>P4VP/AA, in agreement with a higher degree of ionic interaction. The P4VP/PDS complex had a melting endothermic peak in the DSC thermograms, which was not observed for the P4VP/NDS complex. The thermal decomposition temperature of the P4VP complexes is also investigated in relation to the intermolecular interaction.
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2004.09.012