SILVER OR MERCURY EXCHANGED MACROPOROUS ORGANOFUNCTIONAL POLYSILOXANE RESINS

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 temp...

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Bibliographic Details
Main Author HILTON, CHARLES, B
Format Patent
LanguageEnglish
French
Published 28.09.2000
Edition7
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary: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.
Bibliography:Application Number: WO2000US07466