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Study of the influence of isomerism on the curing properties of the epoxy system DGEBA (n=0)/1,2 DCH by DEA and MDSC

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Summary

Modulated differential scanning calorimetry (MDSC) and dielectric analysis (DEA) have been used to characterize the cure process of the system diglycidyl ether of bisphenol A (DGEBA(n=0)/1,2 diaminocyclohexane (1,2 DCH). The trans isomer and a mixture cis/trans(30-70% respectively) of 1,2 DCH were used to find their different behaviour. The study allowed to check the influence of the cisisomer on the thermoset curing process. Gelation times were obtained through the equation proposed by Johari and vitrification times from the point of inflection of the complex calorific capacity modulus.

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Authors and Affiliations

  1. Research Group TERBIPROMAT, Departamento Física Aplicada, Universidade de Santiago, 15782, Santiago, Spain

    L. Núńez-Regueira

  2. Research Group TERBIPROMAT, Departamento Física Aplicada, Universidade de Santiago, 15782, Santiago, Spain

    S. Gómez-Barreiro

  3. Research Group TERBIPROMAT, Departamento Física Aplicada, Universidade de Santiago, 15782, Santiago, Spain

    C. A. Gracia-Fernández

Authors
  1. L. Núńez-Regueira
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  2. S. Gómez-Barreiro
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  3. C. A. Gracia-Fernández
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Núńez-Regueira, L., Gómez-Barreiro, S. & Gracia-Fernández, C. Study of the influence of isomerism on the curing properties of the epoxy system DGEBA (n=0)/1,2 DCH by DEA and MDSC. J Therm Anal Calorim 82, 797–801 (2005). https://doi.org/10.1007/s10973-005-0966-1

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  • DOI: https://doi.org/10.1007/s10973-005-0966-1

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