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    • 2. 发明申请
    • Detergent Granule and Process for Production Thereof
    • 洗涤颗粒及其生产工艺
    • US20090124532A1
    • 2009-05-14
    • US11988090
    • 2006-07-10
    • Yushi SakataMakoto TakahashiTsutomu Tokumoto
    • Yushi SakataMakoto TakahashiTsutomu Tokumoto
    • C11D17/06
    • C11D3/10C11D1/22C11D3/046C11D3/08C11D11/04C11D17/065
    • [Problems] To provide detergent granules capable of suppressing paste formability and having low exothermic property; a process for producing the detergent granules; and a high-bulk density detergent composition containing the detergent granules. [Solving Means] Detergent granules containing a sodium linear alkylbenzenesulfonate (LAS-Na), sodium sulfate undetected by X-ray diffraction method and sodium sulfate detected by X-ray diffraction method, wherein a molar ratio of [sodium sulfate undetected by X-ray diffraction method]/[LAS-Na] is from 0.1 to 1.0, and a molar ratio of [sodium sulfate detected by X-ray diffraction method]/[chemically quantified sodium sulfate] is from 0.5 to 0.9; a process for producing detergent granules, including the step of dry-neutralizing a mixture of a liquid acid precursor of a sodium linear alkylbenzenesulfonate (LAS-S) and sulfuric acid with a water-soluble solid alkali inorganic substance in a mixture containing powdery anhydrous sodium sulfate, wherein sulfuric acid is present in a ratio of 0.1 to 1.0 mol to one mol of the LAS-S, and the powdery anhydrous sodium sulfate is present in a ratio of from 0.5 to 0.9 mol to one mol of a total of the powdery anhydrous sodium sulfate and sulfuric acid; and a high-bulk density detergent composition having a bulk density of 500 g/L or more, containing the detergent granules as defined above, or detergent granules obtainable by the process as defined above.
    • [问题]提供能够抑制糊成形性和低放热性的洗涤剂颗粒; 一种生产洗涤剂颗粒的方法; 和含有洗涤剂颗粒的高堆积密度洗涤剂组合物。 [解决方案]通过X射线衍射法检测的含有直链烷基苯磺酸钠(LAS-Na),未经X射线衍射法检测的硫酸钠和硫酸钠的洗涤剂颗粒,其中通过X射线检测的[硫酸钠]的摩尔比 衍射法] / [LAS-Na]为0.1〜1.0,[通过X射线衍射法检测的硫酸钠] / [化学式定量的硫酸钠]的摩尔比为0.5〜0.9; 一种制备洗涤剂颗粒的方法,包括将含有直链烷基苯磺酸钠(LAS-S)和硫酸的液体酸前体与水溶性固体碱性无机物质的混合物在含有无水钠粉末的混合物中中和的步骤 硫酸盐,其中硫酸以相对于1摩尔LAS-S为0.1〜1.0摩尔的比率存在,无水硫酸钠粉末的比例为0.5〜0.9摩尔至总粉体的1摩尔% 无水硫酸钠和硫酸; 以及含有上述洗涤剂颗粒的堆积密度为500g / L以上的高堆积密度洗涤剂组合物,或通过上述方法得到的洗涤剂颗粒。