C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 257/02 (2006.01) B01D 15/32 (2006.01) B01D 15/36 (2006.01) B01J 20/26 (2006.01) B01J 20/32 (2006.01) C08F 251/00 (2006.01) C08F 265/04 (2006.01) C08F 265/06 (2006.01) C08J 7/16 (2006.01) C08J 9/36 (2006.01) C08J 9/40 (2006.01)
Patent
CA 2464302
The present invention relates to a method for post-modification of a porous polymeric polysaccharide support comprising one or more unreacted double bonds, which method includes to contact the polymeric support with a liquid phase comprising at least one grafting compound and to initiate a free radical reaction in the mixture obtained, wherein the grafting compound is comprised of a double bond as a reactive group coupled to a linear or cyclic chain of carbon, which optionally comprises one or more heteroatoms. An advantageous grafting compound is a vinyl ether or a hydroxyvinyl ether. The invention also encompasses a polymeric support that has been post-modified by the method according to the invention as well as the use of such a support, e.g. in chromatography.
L'invention concerne un procédé de post-modification d'un support poreux de polysaccharide polymère comprenant une ou plusieurs double liaisons non soumises à réaction. Ce procédé consiste à mettre en contact le support polymère avec une phase liquide contenant au moins un composé de greffe et à déclencher une réaction de radicaux libres dans le mélange obtenu, ce composé de greffe possédant une double liaison en tant que groupe réactif couplé à une chaîne linéaire ou cyclique de carbone contenant éventuellement un ou plusieurs hétéroatomes. Un composé de greffe avantageux consiste en un éther de vinyle ou d'hydroxyvinyle. Elle concerne également un support polymère ayant subi une post-modification par ce procédé et l'utilisation de ce support, par exemple, en chromatographie.
Amersham Biosciences Ab
Fetherstonhaugh & Co.
Ge Healthcare Bio-Sciences Ab
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