C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 183/04 (2006.01) C01B 33/14 (2006.01) C03C 1/00 (2006.01) C08L 83/04 (2006.01) C09D 1/00 (2006.01)
Patent
CA 2431907
The invention relates to a method for the production of low solvent sol-gel systems, comprising the following steps: (a) hydrolysis or condensation of a silane and/or an alkoxide and/or several alkoxides of Al, Ce, Ga, Ge, Sn, Ti, Zr, Hf, V, Nb and Ta, (b) addition of water to the reaction mixture until phase separation sets in, and (c) separation of the condensate phase. The invention also relates to the sol-gel system thus obtained and to the use thereof.
L'invention concerne un procédé d'obtention de systèmes sol-gel à faible teneur en solvants, caractérisé en ce qu'il comprend les étapes suivantes : a) hydrolyse ou condensation d'un silane et/ou d'un alcoolate et/ou de plusieurs alcoolates de Al, Ce, Ga, Ge, Sn, Ti, Zr, Hf, V, Nb et Ta, b) addition, au mélange réactionnel, d'une quantité d'eau permettant d'obtenir une séparation de phases, et c) séparation de la phase de condensat. L'invention concerne également le système sol-gel ainsi obtenu, ainsi que son utilisation.
Kihm Michael
Kunze Nora
Sepeur Stefan
Fetherstonhaugh & Co.
Nano-X Gmbh
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