C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 6/12 (2006.01) C03C 17/00 (2006.01) C09D 5/36 (2006.01) C09D 11/00 (2006.01) C30B 1/02 (2006.01) H01L 21/20 (2006.01) H05K 1/09 (2006.01) H05K 1/16 (2006.01)
Patent
CA 2457847
The present invention provides a method for preparing stable sols of surface- modified nanoparticle aggregates. The methods involves the steps of: (i) producing a sol of nanoparticles; (ii) adding at least one functionalising agent to the sol of nanoparticles; (iii) allowing the nanoparticles and the at least one functionalising agent to react to form a sol of surface-modified nanoparticle aggregates; and (iv) purifying the sol of surface-modified nanoparticle aggregates to obtain a purified sol of surface-modified nanoparticle aggregates in which the aggregates are of a size range of about 4 nm in diameter and greater than about 10 µm in diameter.
L'invention porte sur un procédé de préparation de sols stables d'agrégats de nanoparticules modifiées en surface. Ledit procédé comporte les étapes suivantes: (i) production d'un sol de nanoparticules; (ii) adjonction au sol de nanoparticules d'au moins un agent fonctionnalisant; (iii) réaction des nanoparticules avec le ou les agents fonctionnalisants de manière à former un sol stable d'agrégats de nanoparticules modifiées en surface dans lequel les agrégats présentent un diamètre compris entre environ 4 nm et environ 10 µm.
Baxter Geoffrey Raymond
Reda Torsten
Commonwealth Scientific And Industrial Research Organisation
Kirby Eades Gale Baker
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