Hydrogen getter composition

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 3/00 (2006.01) C07D 251/30 (2006.01) C07D 251/34 (2006.01) C07D 253/06 (2006.01)

Patent

CA 2401259

The present invention relates to a composition capable of hydrogen sorption in a closed container at low pressure, comprising an usaturated organic substance and a hydrogenation catalyst. Said unsaturated organic substance is a compound having general formula (A) or (A'), or a dimer or polymer thereof, or a copolymer wherein one of the structural units has the general formula (A) or (A'): wherein R1, R2 and R3 are hydrogen or hydrocarbon moieties optionally comprising one or more heteroatoms, at least one among R1, R2 and R3 being chosen in the group of alkenyl, alkynyl, arylalkenyl and arylalkynyl moieties, optionally comprising one or more heteroatoms.

L'invention concerne une composition permettant la sorption d'hydrogène dans un contenant fermé à basse pression. Cette composition comprend une substance organique non saturée et un catalyseur d'hydrogénation. Cette substance organique non saturée est un composé correspondant à la formule générale (A) ou (A'), ou un de ses dimères ou polymères, ou un copolymère dont une des unités structurelles possède la formule générale (A) ou (A'), dans laquelle R?1¿, R?2¿ et R?3¿ représentent des fractions d'hydrogène ou d'hydrocarbure comprenant éventuellement un ou plusieurs hétéroatomes, au moins un parmi R?1¿, R?2¿ et R?3¿ étant choisi dans le groupe constitué des fractions d'alcényle, d'alkynyle, d'arylalcényle et d'arylalkynyle, comprenant éventuellement un ou plusieurs hétéroatomes.

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