articleIndustrial & Engineering Chemistry ResearchApr 23, 2014HYBRID OA

Comprehensive Investigation on the Thermal Stability of 66 Ionic Liquids by Thermogravimetric Analysis

YCYuanyuan CaoTMTiancheng Mu

Renmin University of China

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Abstract

The thermal stabilities of 66 ionic liquids (ILs) were investigated using the thermogravimetric analysis (TGA) method. Isothermal TGA studies on the ILs showed that ILs exhibit decomposition at temperatures lower than the onset decomposition temperature (Tonset), which is determined from ramped temperature TGA experiments. Thermal decomposition kinetics of ILs was analyzed using pseudo-zero-order rate expression and their activation energy was obtained. Parameter T0.01/10h, the temperature at which 1% mass loss occurs in 10 h, was used to evaluate the long-term thermal stability of ILs. The thermal stability of the ILs was classified to five levels according to Tonset. The ILs thermal stability is dependent on…

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Topics & keywords

Topics
Keywords
  • Thermogravimetric analysis
  • Thermal stability
  • Ionic liquid
  • Dicyanamide
  • Thermal decomposition
  • Isothermal process
  • Chemistry
  • Activation energy
UN Sustainable Development Goals
  • Affordable and clean energy
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