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Thermal and structural behavior of Buriti oil/poly(methyl methacrylate) and Buriti oil/polystyrene materials

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Abstract

This work reports the thermal and structural changes promoted by Buriti (Mauritia flexuosa L.) oil incorporation into polystyrene (PS) and poly(methyl methacrylate) (PMMA) matrices. Buriti oil, which was used due to its high β-carotene content has a good thermal stability and can provide some stability to PS and PMMA as it was shown by TG and TMA data. DSC results showed that both PMMA and PS-based materials were plasticized by the oil and demonstrated that they are immiscible materials. SEM images depict the materials’ morphology.

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Authors and Affiliations

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

    Jussara A. Durães, Adriana L. Drummond, T. A. P. F. Pimentel & Maria J. A. Sales

  2. Laboratório de Isolamento e Transformação de Moléculas Orgânicas, Instituto de Química, Universidade de Brasília, CP 4478, Brasília-DF, 70904-970, Brazil

    Maria M. Murta

  3. Departamento de Física, Universidade Federal do Pará, CEP 66075-900, Belém-PA, Brazil

    S. G. C. Moreira

Authors
  1. Jussara A. Durães
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  2. Adriana L. Drummond
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  3. T. A. P. F. Pimentel
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  4. Maria M. Murta
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  5. S. G. C. Moreira
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  6. Maria J. A. Sales
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Correspondence to Maria J. A. Sales.

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Durães, J.A., Drummond, A.L., Pimentel, T.A.P.F. et al. Thermal and structural behavior of Buriti oil/poly(methyl methacrylate) and Buriti oil/polystyrene materials. J Therm Anal Calorim 92, 529–534 (2008). https://doi.org/10.1007/s10973-007-8564-z

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  • DOI: https://doi.org/10.1007/s10973-007-8564-z

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