Mixture of silica sols

Details Mixture of silica sols Mixture of silica sols

C - Chemistry, Metallurgy

01

B

C01B 33/14 (2006.01) C04B 12/04 (2006.01) C04B 14/06 (2006.01) C04B 40/00 (2006.01)

Patent

CA 2412951

The invention concerns a silica sol mixture comprising a first silica sol having a broad particle size distribution, the relative standard deviation being at least about 30% by numbers, and a second silica sol having a narrow particle size distribution having a relative standard deviation lower than about 15% by numbers. The invention also concerns a method for preparing a silica sol mixture and use thereof. The invention further concerns a concrete composition comprising a silica sol mixture and a method for preparing such composition.

L'invention concerne un mélange de sols de silice comprenant un premier sol de silice possédant une distribution granulométrique large, l'écart-type relatif étant au moins d'environ 30 % en nombres, ainsi qu'un second sol de silice possédant une distribution granulométrique étroite présentant un écart-type relatif inférieur à environ 15 % en nombres. L'invention concerne également un procédé de préparation du mélange de sols de silice et une utilisation associée. L'invention concerne en outre des compositions de béton renfermant un mélange de sols de silice et un procédé de préparation d'une telle composition.

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