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    • 2. 发明授权
    • Continuous bleaching of alkylpolyglycosides
    • 连续漂白烷基聚糖苷
    • US5432275A
    • 1995-07-11
    • US202293
    • 1994-02-25
    • Patrick M. McCurry, Jr.James D. Beaulieu
    • Patrick M. McCurry, Jr.James D. Beaulieu
    • C07H1/06C07H15/04C08B37/00C07H15/00
    • C07H15/04C08B37/0003
    • A continuous method of bleaching an alkylpolyglycoside, substantially free of alcohol, with peroxy compounds, preferably hydrogen peroxide, which is highly efficient to provide an unexpected high degree of color reduction from a dark brown to a light, which product, from an extinction coefficient color respectively of about 10 to about 15 to about 0.025 to about 0.15. The bleaching is carried out at controlled pH and temperature, under pressure preferably in the presence of Mg. The use of a prebleached heel or feed prior to introduction of the unbleached material to be bleached results in a faster approach to equilibrium, steady state, bleaching conditions which results in minimum chemical usage and more rapid production of low color.
    • 使用过氧化合物(优选过氧化氢)漂白基本上不含醇的烷基多糖苷的连续方法,该方法高效地提供从暗棕色到光的意想不到的高度的颜色还原,该消光系数颜色 分别为约10至约15至约0.025至约0.15。 在控制的pH和温度下,优选在Mg存在下,在压力下进行漂白。 在引入待漂白的未漂白材料之前使用预先漂白的脚后跟或饲料导致更快的平衡,稳定状态,漂白条件的方法,这导致最少的化学使用和更快的低颜色生产。