New molecularly imprinted polymers grafted on solid supports

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 291/00 (2006.01) B01J 20/26 (2006.01) C08F 285/00 (2006.01) C08F 292/00 (2006.01)

Patent

CA 2391811

The invention refers to a molecularly imprinted polymer, a method of preparing a molecularly imprinted polymer ma-terial, and the use thereof. According to the invention a support and a composition comprising at least one monomer, and a template, in a polymerisation medium is polymerised with a free radical initiator, whereafter the template is removed from the molecularly imprinted polymer obtained. The polymerisation is confined to the surface of the support, preferably by confining the free radical initiator to the support by bonding or adsorption. The molecularly imprinted polymer may be used in chromatography, for separa-tions, in chemical sensors, in molecular recognition as stationary phase in capillaries, in selective sample enrichment or in catalysis.

L'invention concerne un polymère à empreinte moléculaire, un procédé de préparation d'un polymère à empreinte moléculaire et l'utilisation dudit polymère. Selon l'invention, un support, une composition comprenant au moins un monomère, et une matrice, placés dans un milieu de polymérisation, sont polymérisés avec un amorceur aux radicaux libres, après quoi la matrice est retirée du polymère à empreinte moléculaire obtenu. La polymérisation est confinée à la surface du support, de préférence par fixation ou adsorption de l'amorceur aux radicaux libres sur la surface. Le polymère à empreinte moléculaire peut être utilisé en chromatographie, pour des séparations, dans des capteurs chimiques, en reconnaissance moléculaire comme phase stationnaire dans des capillaires, dans des procédés d'enrichissement de prélèvement sélectif ou dans des catalyses.

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