OXYGEN SCAVENGER AND MANUFACTURING METHOD THEREOF

PROBLEM TO BE SOLVED: To improve furthermore an oxygen absorption capacity, concerning a granular oxygen scavenger.SOLUTION: An oxygen scavenger is disclosed, which is a pulverulent body containing a plurality of composite particles, including a granulated material containing a porous carrier and an...

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Hauptverfasser: ISHII MOE, MURAI EMIKO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To improve furthermore an oxygen absorption capacity, concerning a granular oxygen scavenger.SOLUTION: An oxygen scavenger is disclosed, which is a pulverulent body containing a plurality of composite particles, including a granulated material containing a porous carrier and an oxygen absorbing composition carried on the carrier, and inorganic fine particles adhering to the surface of the granulated material. The oxygen absorbing composition contains a liquid formulation containing an oxygen absorbing material, an alkaline compound, and a transition-metal compound. A quiet bulk density of the oxygen scavenger is 0.9 g/cmor less.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、アルカリ性化合物、及び遷移金属化合物を含有する。脱酸素剤の静かさ密度が0.9g/cm3以下である。【選択図】なし