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On the Use of Monolithic Sol–Gel Derived Mesoporous Silica for the Calibration of Thermoporisemetry Using Various Solvents

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Abstract

Sol–gel derived mesoporous monolithic silica gels have been prepared to be used as standard materials for thermoporosimetry. The technique has been calibrated with n-heptane and cyclohexane and R p = f(Δt) and W a = f(ΔT) expressions are derived. In the specific case of cyclohexane, the solid to solid phase transition has been used. It is also shown that porous volumes can be measured by thermoporosimetry and that the correlation with N2 gas sorption results is very good. Finally, thermoporosimetry has been applied to the study of cross linking level in polyisoprene samples containing a gradient of cross linking agent.

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Authors and Affiliations

  1. Laboratoire des Matériaux Inorganiques, UMR CNRS 6002, Ecole Nationale Supérieure de Chimie de Clermont Ferrand & Université Blaise Pascal, 24 Avenue des landais 63174, Aubière Cedex, France

    Jean-Marie Nedelec & Mohamed Baba

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  1. Jean-Marie Nedelec
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  2. Mohamed Baba
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Nedelec, JM., Baba, M. On the Use of Monolithic Sol–Gel Derived Mesoporous Silica for the Calibration of Thermoporisemetry Using Various Solvents. Journal of Sol-Gel Science and Technology 31, 169–173 (2004). https://doi.org/10.1023/B:JSST.0000047981.77177.c2

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  • DOI: https://doi.org/10.1023/B:JSST.0000047981.77177.c2

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