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    • 7. 发明申请
    • SCAVENGING OXYGEN
    • WO2012104632A1
    • 2012-08-09
    • PCT/GB2012/050211
    • 2012-02-01
    • COLORMATRIX HOLDINGS, INC.CARMICHAEL, Adrian JohnFROST, MarkOVEREND, Andrew StuartTATTUM, Steven Burgess
    • CARMICHAEL, Adrian JohnFROST, MarkOVEREND, Andrew StuartTATTUM, Steven Burgess
    • B65D51/24B65D81/26
    • B65B31/04B65D81/267
    • A food container (2) includes a rigid thermoformed plastics carton (4) which holds a dry food 6 and is closed by a removable film closure (8). The film (8) incorporates a hydride which is arranged to generate hydrogen on contact with moisture. Additionally, the film (8) is arranged to have relatively high water vapour permeability and relatively low hydrogen gas permeability. In use, water vapour from air surrounding the container (2) passes into the film (8) and reacts with the hydride to generate hydrogen. Due to the relatively low hydrogen permeability of the film (8), the hydrogen is restricted from escaping from the container. Instead, the hydrogen then reacts with any oxygen within the container in a reaction catalysed by a catalyst associated with the carton (4), thereby to scavenge oxygen within the container (2) and protect the food (6) from oxidation.
    • 食物容器(2)包括刚性热成型塑料纸箱(4),其保持干燥食物6并由可拆卸的膜封闭物(8)封闭。 膜(8)包含氢化物,其被布置成在与水分接触时产生氢。 此外,膜(8)布置成具有相对较高的水蒸气透过率和相对低的氢气渗透性。 在使用中,来自容器(2)周围的空气的水蒸汽进入膜(8)并与氢化物反应产生氢气。 由于膜(8)的相对低的氢渗透性,氢被限制从容器逸出。 相反,然后氢气在与由纸箱(4)相关联的催化剂催化的反应中与容器内的任何氧气反应,从而清除容器(2)内的氧并保护食物(6)不被氧化。