Phase transfer of nanoparticles

B - Operations – Transporting – 01 – J

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B01J 13/00 (2006.01) B01J 35/00 (2006.01) C09D 1/00 (2006.01) C09D 7/12 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2439792

The present invention relates to phase transfers of nanoparticles and catalysis using nanoparticles. Transfer of nanoparticles from an organic solution into an inorganic solution, in particular an aqueous solution, is made possible by adding a generic class of substances, in particular the commercially available 4-dimethylaminopyridine, hereinafter referred to as DMAP for short, e.g. present in aqueous solution, to the organic solution in a sufficient amount. This measure results in the nanoparticles going over in a 1-step process from the organic phase (in each case at top) into the inorganic phase (in each case at bottom) in the sample container without any further action being necessary.

L'invention concerne des transferts de phase de nanoparticules et une catalyse réalisée au moyen de ces dernières. Pour faire passer des nanoparticules d'une solution organique à une solution inorganique, notamment aqueuse, on ajoute, en quantité suffisante dans la solution organique, une catégorie de matière, pouvant être décrite de manière générique, par exemple la diméthylaminopyridine (DMAP) en vente dans le commerce, par exemple en solution aqueuse. Cette mesure a pour effet de faire passer les nanoparticules, sans autre intervention, dans un processus à une seule étape, de la phase organique (située à chaque fois en haut) à la phase inorganique (située à chaque fois en bas) dans le récipient d'échantillons.

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