C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/158 (2006.01) C01B 33/16 (2006.01)
Patent
CA 2309638
The present invention refers to a method of producing organically modified aerogels on a basis of silicon tetrachloride in which: a) a hydrogel is obtained by direct reaction of silicon tetrachloride with water, b) the hydrogel obtained in step a) is surface-modified, and c) the surface-modified gel obtained in step b) is dried.
L'invention concerne un procédé servant à produire des aérogels organiquement modifiés à base de tétrachlorure de silicium, ce qui consiste à: (a) préparer un hydrogel par réaction directe de tétrachlorure de silicium avec de l'eau; (b) modifier en surface l'hydrogel obtenu à l'étape (a); à sécher le gel modifié en surface obtenu à l'étape (b).
Cabot Corporation
Fetherstonhaugh & Co.
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