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Influence of washing and of heat-treatment conditions on the thermal stability of VPI-5

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Abstract

Thorough washing of a VPI-5 synthesized with n-dipropylamine as template improves greatly its thermal stability while no major change is observed in the template content. A detailed study of the influence of the pretreatment conditions shows that in order to obtain a high thermal stability (up to at least 960 °C) two parameters are of importance. The removal of both the template and the adsorbed water requires either a low heating rate at atmospheric pressure or a low pressure (less than 3 Torr) when the heating rate is 300 ° per hour.

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Authors and Affiliations

  1. Laboratoire de Réactivité de Surface et Structure, URA 1106 CNRS, Université P. et M. Curie, 4 place Jussieu, 75252, Paris Cédex 05, France

    C. Potvin, J. M. Manoli, M. Briend & D. Barthomeuf

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  1. C. Potvin
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  2. J. M. Manoli
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  3. M. Briend
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  4. D. Barthomeuf
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Potvin, C., Manoli, J.M., Briend, M. et al. Influence of washing and of heat-treatment conditions on the thermal stability of VPI-5. Catal Lett 10, 225–232 (1991). https://doi.org/10.1007/BF00772075

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  • DOI: https://doi.org/10.1007/BF00772075

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