Functionalized graphitic stationary phase and methods for...

B - Operations – Transporting – 01 – J

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B01J 20/20 (2006.01) B01J 20/286 (2006.01) B01J 20/32 (2006.01) C01B 31/04 (2006.01)

Patent

CA 2737638

Embodiments disclosed herein include functionalized graphitic stationary phase materials and methods for making and using these materials, including the use of these materials in separation technologies such as, but not limited to, chromatography and solid phase extraction. In an embodiment, a functionalized graphitic stationary phase material may be manufactured from high surface area porous graphitic carbon and a radical forming functionalizing agent. The radical forming functionalizing agent produces an intermediate that forms a covalent bond with the surface of the porous graphitic material and imparts desired properties to the surface of the graphitic carbon.

Selon l'invention, des modes de réalisation comprennent des matériaux à phase graphitique stationnaire fonctionnalisée et des procédés pour fabriquer et utiliser ces matériaux, y compris l'utilisation de ces matériaux dans des technologies de séparation telles que la chromatographie et l'extraction en phase solide, sans y être limité. Dans un mode de réalisation, un matériau à phase graphitique stationnaire fonctionnalisée peut être fabriqué à partir de carbone graphitique poreux à grande surface superficielle et d'un radical formant un agent de fonctionnalisation. Le radical formant l'agent de fonctionnalisation produit un intermédiaire qui forme une liaison covalente avec la surface du matériau graphitique poreux et communique les propriétés voulues à la surface du carbone graphitique.

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