Ion Pair Recognition Based Supramolecular Polymer Showing Rapid and Reversible Sol-Gel Transition through van der Waals Interactions

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Amharar S., Atsay A., Aydoğan A.

ACS APPLIED POLYMER MATERIALS, cilt.2, sa.12, ss.5371-5376, 2020 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 2 Sayı: 12
  • Basım Tarihi: 2020
  • Doi Numarası: 10.1021/acsapm.0c01210
  • Dergi Adı: ACS APPLIED POLYMER MATERIALS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Emerging Sources Citation Index (ESCI), Scopus
  • Sayfa Sayıları: ss.5371-5376
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

Ion pair receptors have shown potential in controllable recognition of cations and anions simultaneously, which has made a vital contribution to various research fields. Herein, rationally designed ion pairs were integrated into a calix[4]pyrrole skeleton, resulting in the formation of an ion pair recognition based linear supramolecular polymer. The effect of simultaneous hostguest and cation-pi interactions between carboxylate-functionalized calix[4]pyrrole and cetyltrimethylammonium was investigated by nuclear magnetic resonance spectroscopy, viscosity measurements, scanning electron microscopy, and differential scanning calorimetry. The resulting supramolecular polymer was found to show temperature-induced rapid and reversible sol-gel transition through v an der Waals interactions of cetyl units.