Matrices for separation and separation exploiting said matrices

Details Matrices for separation and separation exploiting said matrices Matrices for separation and separation exploiting said matrices

B - Operations, Transporting

01

J

252/31, 252/39

B01J 20/26 (2006.01) B01D 15/08 (2006.01)

Patent

CA 2281846

A matrix comprising a core showing a system of micropores and a surface in which the micropore system has openings. The characterising feature is that the surface is coated with a polymer (I) having such a large molecular weight that it cannot penetrate into the micropores. The matrix can be particulate or in the shape of a monolith. Use of the matrix to separate components in a liquid medium, preferably aqueous, via partition to the matrix. The separation may be based on affinity or on the size and shape of the components. Batchwise as well as chromatographic procedures are comprised.

L'invention concerne une matrice comprenant un noyau présentant un système de micropores et une surface dans laquelle le système de micropores possède des ouvertures. L'invention est caractérisée en ce que la surface est recouverte d'un polymère (I) dont le poids moléculaire élevé est tel qu'il empêche le polymère de pénétrer dans les micropores. La matrice peut se présenter sous forme particulaire ou monolithique. L'invention concerne également l'utilisation de la matrice pour séparer les composantes d'un milieu liquide, de préférence, aqueux, par liaison sur cette matrice. La séparation peut être basée sur l'affinité ou bien la taille et la forme des composantes. L'invention concerne enfin des procédures par lots tels que la chromatographie.

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