A study of density for pullulan/ionic liquid solutions

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Empirical relationships were obtained at temperatures 10-80 °C between density ρ and mass concentration C (wt%) of pullulan, which was used as a standard polymer in aqueous solutions containing two representative ionic liquids, l-butyl-3-methylimidamlium chloride and 1-ethyl-3-methylimidaolimn acetate. Water content effect on ρ was also examined. Pullulan was successfully dissolved into these ionic liquids without degradation, confirmed by the recovered samples. This indicates that pullulan is a suitable standard for ionic liquid soluble polymers. The empirical relationships provide easy conversion of C to concentration c (g/cm.3), which is essential for systematic studies of properties of pullulan in ionic liquids.

元の言語英語
ページ(範囲)14-19
ページ数6
ジャーナルEvergreen
1
発行部数1
DOI
出版物ステータス出版済み - 2014

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Surfaces, Coatings and Films
  • Management, Monitoring, Policy and Law

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