Silicatic coating mass with improved stability

Details Silicatic coating mass with improved stability Silicatic coating mass with improved stability

C - Chemistry, Metallurgy

09

D

C09D 1/04 (2006.01) C04B 12/04 (2006.01) C04B 28/24 (2006.01) C04B 28/26 (2006.01)

Patent

CA 2397085

The invention relates to a silicatic coating mass, a method for producing the same, the use thereof and a substrate that is coated with the silicatic coating mass. The silicatic coating mass comprises water glass or a mixture of water glass and silica sol. The molar ratio of SiO2 and alkali oxide is 5 to 30 mol SiO2 per mol alkali oxide. Said coating mass also comprises one or more organic ammonium compound/s, one or more filler/s and optionally other additives. The inventive silicatic coating mass is provided with increased shelf live when consisting of one component and the coated substrate is characterised by an increased stability against atmospheric influences.

L'invention concerne une matière de recouvrement silicatique, son procédé de production, son utilisation ainsi qu'un substrat recouvert avec cette matière de recouvrement silicatique. Cette matière de recouvrement silicatique comprend du verre soluble ou un mélange de verre soluble et d'un sol de potassium, dans lequel le rapport molaire SiO¿2?/oxyde alcalin est de 5 à 30 mol de SiO¿2? par mol d'oxyde alcalin. Ladite matière de recouvrement comprend également au moins un composé d'ammonium organique, au moins une matière de charge et, éventuellement, d'autres additifs. La matière de recouvrement silicatique selon l'invention, lorsqu'elle ne comprend qu'un composant, présente, une stabilité au stockage élevée, et un substrat recouvert de cette matière se caractérise par une stabilité élevée aux intempéries.

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