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Thermal study and evaluation of new menthol-based ionic liquids as polymeric additives

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Abstract

Thermal properties of new ionic liquids (ILs) were investigated by thermogravimetry (TG/DTG) and differential scanning calorimetry (DSC). Chlorides, tetrafluoroborates and hexafluorophosphates of (−)mentholpyrrolidinium and (−)-mentholimidazolium cations revealed good thermal stability at air atmosphere. Morphological characteristics of poly(methyl methacrylate) (PMMA) matrices doped with 10% of these ILs were also investigated by DRX and water absorption test. Into the matrix, they exhibited a very satisfactory pattern concerning the polymer thermal stabilization. DSC results show that some of these ILs also present plasticizer features since they can lower the polymer glass transition temperature (T g) up to 317.15 K.

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Acknowledgements

The authors are grateful to financial support from UnB, FINATEC, CNPq and CAPES.

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Authors and Affiliations

  1. Laboratório de Química Metodológica e Orgânica Sintética (LaQMOS), Instituto de Química, Universidade de Brasília, C.P. 4478, Brasília, DF, 70904-970, Brazil

    Carlos Kleber Z. Andrade & Ricardo Alexandre F. Matos

  2. Laboratório de Pesquisa em Polímeros (LabPol), Instituto de Química, Universidade de Brasília, C.P. 4478, Brasília, DF, 70904-970, Brazil

    Viviane B. Oliveira, Jussara A. Durães & Maria J. A. Sales

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  1. Carlos Kleber Z. Andrade
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  2. Ricardo Alexandre F. Matos
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  3. Viviane B. Oliveira
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  4. Jussara A. Durães
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  5. Maria J. A. Sales
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Correspondence to Maria J. A. Sales.

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Andrade, C.K.Z., Matos, R.A.F., Oliveira, V.B. et al. Thermal study and evaluation of new menthol-based ionic liquids as polymeric additives. J Therm Anal Calorim 99, 539–543 (2010). https://doi.org/10.1007/s10973-009-0203-4

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  • DOI: https://doi.org/10.1007/s10973-009-0203-4

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