Densities, Viscosities, and Refractive Indices of Binary Room-Temperature Ionic Liquids with Common Cations/Anions

Shiro Seki, Nobuyuki Serizawa, Shimpei Ono, Katsuhito Takei, Kikuko Hayamizu, Seiji Tsuzuki, Yasuhiro Umebayashi

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

To elucidate the properties of binary system of room temperature ionic liquids (RTILs), we measured and compared the temperature dependence of densities, viscosities, and refractive indices of seven binary RTILs as well as neat RTILs. The observed densities, viscosities, and refractive indices of the binary systems showed intermediate properties between those of two starting RTILs. The values observed for the binary RTILs were only deviated from the values estimated based on the data of neat RTILs (±0.5%), and this deviation depended on both the combination of RTILs and the structures of the cation/anion. These results indicate that the properties of RTILs can be easily tuned by mixing RTILs depending on their applications.

Original languageEnglish
Pages (from-to)433-441
Number of pages9
JournalJournal of Chemical and Engineering Data
Volume64
Issue number2
DOIs
Publication statusPublished - 2019 Feb 14
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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