Chelating silicone

Details Chelating silicone Chelating silicone

C - Chemistry, Metallurgy

08

G

C08G 77/388 (2006.01) C08G 77/382 (2006.01)

Patent

CA 2274040

The present invention provides a polymeric species comprising a hydrophilic component that is responsive to, and which can bind with, a variety of metals, and a hydrophobic component. The hydrophobic component may be any organometallic polymer with surface-active properties, preferably a silicone polymer with hydrophobic organic radicals bound to the silicon. The hydrophilic component is comprised of multiple binding sites for metals, clustered in segments on the silcone such that more than one ligand (or binding site) can cooperatively bind a metal centre.

La présente invention a pour objet une espèce polymérique comprenant un constituant hydrophile sensible à divers métaux et pouvant les lier et un constituant hydrophobe. Le constituant hydrophobe peut être un polymère organométallique ayant des propriétés tensio-actives, de préférence un polymère de silicone contenant des radicaux organiques hydrophobes liés au silicone. Le constituant hydrophile comprend plusieurs sites de liaison des métaux, regroupés en segments sur le silicone, de façon à ce que plus d'un ligand (ou site de liaison) puisse lier coopérativement un centre métallique.

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