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Insulating Silica Xerogel Plaster

Abstract : The invention relates to a plaster that can be applied to the surface of a building to produce a thermally insulating coating, said plaster comprising water, a mineral and/or organic hydraulic binder (a), optionally a structuralising filler (c) and optionally additives (d), characterized in that said plaster also comprises an insulating filler (b) comprising a powder or granules of at least one hydrophobic silica xerogel obtained by treating a silica organogel with a water repellant in the presence of acid and in a solvent; separating the hydrophobic organogel obtained; and eliminating the solvent from the organogel by means of evaporation. The preparation of such an application plaster by means of spraying onto a building surface, and the coating thus obtained, constitute other objects of the present invention.
Type de document :
Brevet
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00802101
Contributeur : Magalie Prudon <>
Soumis le : mardi 19 mars 2013 - 10:02:49
Dernière modification le : mercredi 14 octobre 2020 - 04:02:44

Identifiants

  • HAL Id : hal-00802101, version 1

Citation

Patrick Achard, Marie Aulagnier, Audrey Bellet, Anne Daubresse, Thomas Echantillac, et al.. Insulating Silica Xerogel Plaster. France, Patent n° : EP2523922. 2011, Also published as: FR2955102 (A1) WO2011083174 (A1). ⟨hal-00802101⟩

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