在氧漂或退、煮、漂一浴法工艺中,一般在碱性介质中使用双氧水,双氧水在弱酸性或中性条件下比较稳定,在碱性条件下被活化,具有较强的氧化性,而重金属离子的存在使双氧水过早催化分解,不仅造成漂白液的失效,并会使纤维损伤。因此,为了在氧漂或退煮漂一浴工艺中控制双氧水的分解,避免纤维损伤,并得到良好的漂白效果,除应控制好漂白液pH值外,还需加入减慢双氧水分解速度的助剂,这种阻止双氧水无控制地分解所添加的助剂称为双氧水稳定剂。
分析了氧漂稳定剂CGAD对双氧水稳定性能,并测定了纯棉卡其的氧漂大生产工艺。
The stability of CGAD to hydrogen peroxide was analyzed and oxidation bleaching in bulk production for cotton khaki drills was tested.
固体型双氧水非硅稳定剂emp系多种有机和无机络合物以及镁盐的复配物。
Solid non-silicon stabiliser EMP is a compound which is composed of many kinds of organic and inorganic complexes and of magnesium salt.
要使该工艺可行,关键是选择一只能在强碱条件下有效控制双氧水分解速率的稳定剂。
To choose a stabilizer which can control the decomposition rate of H2O2 at strong alkalinity is essential to this one step process.
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