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    • 9. 发明授权
    • Aqueous bleaching agent suspensions containing peroxycarboxylic acid,
method for their preparation and use
    • 含有过氧羧酸的水性漂白剂悬浮液,其制备和使用方法
    • US4879057A
    • 1989-11-07
    • US168997
    • 1988-03-16
    • Manfred DankowskiThomas LieserGunter PrescherWolfgang LeonhardtManfred Diehl
    • Manfred DankowskiThomas LieserGunter PrescherWolfgang LeonhardtManfred Diehl
    • C11D3/395C09K3/00C11D3/22C11D3/39D06L3/02
    • C11D3/3947C11D3/222
    • Aqueous bleaching agent suspensions based on a water-soluble peroxycarboxylic acid suspended in a carrier liquid in the presence of an organic thickening agent and of an acidifying agent exhibit an improved storage resistance over known suspensions with this base. This is achieved by means of pourable to pasty bleaching agent suspensions which contain a xanthan polysaccharide or agar polysaccharide as thickening agent and, in addition, a hydrate-forming neutral salt which desensitizes peroxycarboxylic acids. Preferred suspensions exhibit a pH of 2-5 and contain 10-30% by wt. diperoxydodecanedioic acid, 5-20% by wt. sodium sulfate and 0.1-1.0% by wt. xanthan. The use of non-dried, hydrophilized and optionally in situ desensitized peroxycarboxylic acids is especially preferred.The bleaching agent suspensions are prepared by homogeneously suspending the peroxycarboxylic acid in the thickened carrier liquid.The storage-resistant bleaching agent suspensions are used as laundry bleaching agents and for preparing cleaning agents and disinfection agents.
    • 基于在有机增稠剂和酸化剂存在下悬浮在载体液体中的水溶性过氧羧酸的水性漂白剂悬浮液与已知的具有该碱的悬浮液相比显示出改进的耐贮存性。 这是通过倾倒于含有黄原胶多糖或琼脂多糖作为增稠剂的糊状漂白剂悬浮液以及另外使过氧羧酸脱敏的水合物形成中性盐的方法实现的。 优选的悬​​浮液的pH为2-5,含有10-30重量%。 二过氧十二烷二酸,5-20重量% 硫酸钠和0.1-1.0重量%。 黄原胶 非干燥,亲水化和任选原位脱敏过氧羧酸的使用是特别优选的。 漂白剂悬浮液通过将过氧羧酸均匀地悬浮在增稠的载体液体中来制备。 耐贮藏性漂白剂悬浮液用作衣物漂白剂并用于制备清洁剂和消毒剂。