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    • 1. 发明授权
    • Oxygen scavenger composition, heat-generating composition and
heat-generating structure
    • 氧气清除剂组合物,发热组合物和发热结构
    • US4317742A
    • 1982-03-02
    • US14640
    • 1979-02-23
    • Teizo YamajiEishin Yoshisato
    • Teizo YamajiEishin Yoshisato
    • A23L3/3436C09K5/16C09K15/00C10L5/40C09K5/00
    • C10L5/40A23L3/3436C09K15/00C09K5/16Y02E50/30
    • An oxygen scavenger composition consisting essentially of[I] as essential components,(a) an alkali metal sulfide, and(b) at least one oxidation promoter selected from the group consisting of silica, alumina, silica-alumina, silica-magnesia and inorganic materials containing one of them as a main ingredient; and[II] as optional components,(c) at least one oxidation promoter aid,(d) a water-insoluble or sparingly water-soluble, inert filler, and/or(e) water in a hydrous or hydrated condition,a heat-generating composition of said composition being capable of scavenging at least 5 ml of oxygen per gram of the composition in air at 20.degree. C. during the period of one hour after oxidation reaction has substantially begun and a heat-generating structure comprising said composition and a film having an oxygen permeability of 0.01 to 50 cc/cm.sup.2 .multidot.min..multidot.O.sub.2 partial pressure (1 atm.), said film covering the composition over an area of 0.2 to 10 cm.sup.2 per gram of said composition.
    • 基本上由[I]组成的除氧剂组合物,(a)碱金属硫化物,和(b)至少一种选自二氧化硅,氧化铝,二氧化硅 - 氧化铝,二氧化硅 - 氧化镁和无机物的氧化促进剂 含有其中一种作为主要成分的材料; 和(II)作为任选的组分,(c)至少一种氧化促进剂助剂,(d)水不溶性或微溶于水的惰性填料,和/或(e)含水或水合状态的水, 所述组合物的生成组合物能够在氧化反应基本上开始后的1小时期间内在20℃在空气中每克组合物清除至少5毫升的氧气,以及包含所述组合物的发热结构和 透氧度为0.01〜50cc / cm2×min×0.2分压(1atm)的薄膜,所述薄膜的面积为每克所述组合物0.2〜10cm 2的面积。