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Gelation of ionic liquids by the use of fluoroalkyl end‐capped oligomers/polyaniline composites
Author(s) -
Sutoh Yoshitaka,
TsuzukiIshi Taiki,
Sugiya Masashi,
Sawada Hideo
Publication year - 2018
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.23921
Subject(s) - oligomer , ionic liquid , materials science , nanocomposite , monomer , polymerization , ionic bonding , solvent , polyaniline , aniline , composite number , polymer chemistry , composite material , ionic conductivity , chemical engineering , polymer , organic chemistry , chemistry , catalysis , electrolyte , ion , electrode , engineering
Hydrophilic R F ‐(MES) n ‐R F /and R F ‐(AMPS) n ‐R F /polyaniline (PAn) nanocomposites were prepared by the polymerization of aniline monomer in the presence of the corresponding oligomers. These fluorinated PAn nanocomposites were able to cause the gelation toward a variety of hydrophilic ionic liquids, although the parent R F ‐(MES) n ‐R F and R F ‐(AMPS) n ‐R F oligomers were not effective for the gelation of such ionic liquids. Oleophilic R F ‐(DOBAA) n ‐R F oligomer has no gelling ability toward the ionic liquids; however, this oligomer was able to disperse well the original PAn powders into methanol to afford the corresponding oligomer/PAn composites. Interestingly, the isolated composite powders after the removal of the solvent were found to cause the gelation toward some oleophilic ionic liquids. In these composites, R F ‐(MES) n ‐R F /PAn nanocomposite/ionic liquid gel (ionogel) was found to provide a higher ionic conductivity than that of the parent ionic liquid under the similar conditions. POLYM. COMPOS., 39:221–228, 2018. © 2016 Society of Plastics Engineers
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