Pelletized silica

Details Pelletized silica Pelletized silica

C - Chemistry, Metallurgy

01

B

C01B 33/18 (2006.01) C01B 13/14 (2006.01) C01F 7/02 (2006.01) C09C 1/30 (2006.01) C09C 1/40 (2006.01)

Patent

CA 2653155

Pelletized silica particles characterized by a round shape and a monomodal particle size distribution are produced by dispersing silica particles into water, adding water to the dispersion, mixing with alkoxisilane, pouring the mixture into an organic solvent, filtering and washing the silica particles obtained. The pelletized silica particles can be used to produce glass monoliths.

La présente invention concerne des particules de silice agglomérée caractérisées par une forme ronde et une granulométrie monomode produites par dispersion de particules de silice dans l'eau, ajout d'eau à la dispersion, mélange avec un alcoxysilane, versement du mélange dans un solvant organique, filtrage et lavage des particules de silice obtenues. Les particules de silice agglomérée peuvent être utilisées pour produire des monolithes de verre.

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