Suspensions with high storage stability, comprising an...

Details Suspensions with high storage stability, comprising an... Suspensions with high storage stability, comprising an...

C - Chemistry, Metallurgy

04

B

6/226, 261/59, 9

C04B 28/26 (2006.01) C04B 14/04 (2006.01) C04B 14/06 (2006.01) C04B 22/00 (2006.01) C04B 22/06 (2006.01) C08L 97/02 (2006.01) C09J 1/02 (2006.01) C09K 8/05 (2006.01) C09K 17/12 (2006.01) D21H 17/63 (2006.01)

Patent

CA 2286005

Suspension, having a high storage stability, comprising an aqueous silicate solution and a filler material, wherein the silicate solution has a silicate content of at least 20 % by weight, the filler material has an average particle size of 0.8-15 µm and a specific weight of below 2.75 kg/l, the filler being chosen from the group consisting of: a) zeolites; b) fine particulate or fibrous amorphous inorganic material being relatively inert in an alkaline aqueous solution, comprising amorphous alkali metal alumino silicate; c) fine particulate of graphite or carbon black; or d) mixtures thereof, said suspension having a high storage stability in the absence of a stabilizer.

L'invention concerne une suspension présentant une grande stabilité au stockage et comprenant une solution de silicate aqueuse et une matière de remplissage; la solution de silicate a une teneur en silicate d'au moins 20 % en poids, la matière de remplissage possède une taille de particules moyenne comprise entre 0,8 et 15 µm, et un poids spécifique inférieur à 2,75 kg/l, l'élément de remplissage étant sélectionné dans le groupe formé par a) des zéolites, b) une matière particulaire fine ou inorganique amorphe et fibreuse relativement inerte dans une solution aqueuse alcaline et comprenant un aluminosilicate de métal alcalin amorphe, c) des particules fines de graphite ou de noir de carbone, ou d) des mélanges de ces matières, ladite suspension présentant une grande stabilité au stockage en l'absence d'un stabilisant.

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