Process for treating binders and use of thus treated binders

Details Process for treating binders and use of thus treated binders Process for treating binders and use of thus treated binders

C - Chemistry, Metallurgy

04

B

C04B 7/38 (2006.01) C04B 20/10 (2006.01) C04B 26/00 (2006.01) C04B 28/00 (2006.01)

Patent

CA 2221212

A process for treating inorganic binders, such as cement, comprises the precipitation of silicon compounds and/or metals or metal salts in the gaseous or steam phase on the surface of binder particles, preferably by using a plasma electronic beam or thermal decomposition process. The thus produced cement is useful among others for preparing water-proof, pigmented, accelerated setting and/or electroconductive mortar or concrete.

Selon ce procédé de traitement de liants inorganiques, par exemple de ciment, on précipite des composés de silicium et/ou des métaux ou des sels métalliques dans la phase gazeuse ou dans la phase vapeur sur la surface de particules de liant, en utilisant de préférence un procédé de décomposition thermique ou un procédé de décomposition au plasma par faisceau électronique. Le ciment ainsi produit est utile pour préparer parmi d'autres du mortier ou du béton imperméabilisé, pigmenté, à prise accélérée et/ou électroconducteur.

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