DEOXIDATION AGENT

To provide a granular deoxidation agent which further improve oxygen absorption capability.SOLUTION: A deoxidation agent is powder containing a granule containing a porous carrier and an oxygen absorption composition carried by the carrier, and a plurality of composite particles including hydrophili...

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1. Verfasser: FUKUNAGA SATOHIRO
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a granular deoxidation agent which further improve oxygen absorption capability.SOLUTION: A deoxidation agent is powder containing a granule containing a porous carrier and an oxygen absorption composition carried by the carrier, and a plurality of composite particles including hydrophilic inorganic fine particles bonded to the surface of the granule. The oxygen absorption composition contains a liquid agent containing an oxygen absorption substance, an alkaline compound, a transition metal compound, and at least one of a compound having a hydroxy group on an aromatic substituent and a quinone-based compound.SELECTED DRAWING: None 【課題】粒状の脱酸素剤に関して、酸素吸収能力の更なる向上を図ること。【解決手段】多孔質の担持体、及び担持体に担持された酸素吸収組成物を含む、造粒物と、造粒物の表面に付着している親水性無機微粒子とを備える複数の複合粒子を含む粉体である脱酸素剤が開示される。酸素吸収組成物は、酸素吸収物質を含む液剤と、アルカリ性化合物と、遷移金属化合物と、芳香族置換基上にヒドロキシ基を有する化合物及びキノン系化合物の少なくとも一方を含有する。【選択図】なし