JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 29 Issue 5
September 2014
Article Contents
WANG Jun, WANG Man-man, YANG Xu-zhao, et al. Study on synthesis and thermodynamic properties of 1-(1-pyridinium-1-yl) pentane-(1-methylpiperidinium) bi[bis(trifluoromethanesulfonyl)imide][J]. Journal of Light Industry, 2014, 29(5): 12-16. doi: 10.3969/j.issn.2095-476X.2014.05.003
Citation: WANG Jun, WANG Man-man, YANG Xu-zhao, et al. Study on synthesis and thermodynamic properties of 1-(1-pyridinium-1-yl) pentane-(1-methylpiperidinium) bi[bis(trifluoromethanesulfonyl)imide][J]. Journal of Light Industry, 2014, 29(5): 12-16. doi: 10.3969/j.issn.2095-476X.2014.05.003 shu

Study on synthesis and thermodynamic properties of 1-(1-pyridinium-1-yl) pentane-(1-methylpiperidinium) bi[bis(trifluoromethanesulfonyl)imide]

  • Received Date: 2014-04-28
    Available Online: 2014-09-15
  • Asymmetrical dicationic ionic liquid 1-(1-pyridinium-1-yl) pentane-(1-methylpiperidinium) bi[bis(trifluoromethanesulfonyl)imide] ([PyC5Pi][NTf2]2) was prepared through molecular design theory, and its structure was characterized with IR and 1H NMR.The thermal stability, thermal decomposition kinetic parameters and thermal decomposition mechanism model function of the ionic liquid were studied by using non-isothermal thermogravimetric analysis method, equal-transition ratio method and multivariate non-linear-regression method.The results showed that the thermal stability of the[PyC5Pi][NTf2]2 was better.According to equal-transition ratio method, the average activation energy and average pre-exponential factor of[PyC5Pi][NTf2]2 were 160.10 kJ/mol and 9.17 respectively.Multivariate non-linear-regression method indicated that the ionic liquid was n-tier autocatalytic reaction(CnB),n=1.592 6, Kcat=5.602 7, corresponding to the thermal decomposition mechanism model function f(α)=(1-α)1.592 6(1+5.602 7α),E=169.71 kJ·mol-1, lg A=9.59, respectively.The results were consistent with that of equal-transition ratio method.
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