Silver or mercury exchanged macroporous organofunctional...

Details Silver or mercury exchanged macroporous organofunctional... Silver or mercury exchanged macroporous organofunctional...

B - Operations, Transporting

01

J

B01J 39/18 (2006.01) C07C 51/47 (2006.01) C08G 77/28 (2006.01) C08G 77/398 (2006.01)

Patent

CA 2362731

There is provided a macroporous, strong-acid polysiloxane ion exchange resin wherein at least one percent of the active sites have been converted to the silver or mercury form. The resins are particularly useful for removing iodides from non-aqueous organic media such as acetic acid at elevated temperatures. In a particularly preferred method, hexyl iodide is removed from acetic acid.

L'invention concerne une résine macroporeuse de polysiloxane fortement acide à échange d'ions dans laquelle au moins un pour cent des sites actifs a été converti en argent ou en mercure. Les résines servent, en particulier, à retirer les iodures de milieux organiques non aqueux tels que l'acide acétique à températures élevées. Dans un mode de réalisation préféré, l'iodure hexylique est retiré de l'acide acétique.

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