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    Amorphous sodium silicate powder
    1.
    发明公开
    Amorphous sodium silicate powder 失效
    Amorphes Natriumsilikatpulver

    公开(公告)号：EP0692453A1

    公开(公告)日：1996-01-17

    申请号：EP95110836.4

    申请日：1995-07-11

    申请人： TOKUYAMA CORPORATION

    发明人： Fukuyama, Yoshiki ,  Taga, Genji

    IPC分类号： C01B33/32 ,  C11D3/08

    CPC分类号： C01B33/32 ,  C11D7/20

    摘要： Amorphous sodium silicate powder exhibiting excellent water softening power and suitable as a detergent builder is provided. This amorphous sodium silicate powder is characterized in that when the molar ratio of SiO₂ / Na₂ O is expressed by n and the specific surface area thereof is expressed by S (m²/g), the following expressions : 1.20 ≦ n ≦ 1.60 0.10 ≦ S ≦ 0.90 and 0.008 x n 8.6 ≦ S ≦ 0.063 x n 8.1 are satisfied.

    摘要翻译： 提供显示出优异的水软化能力并适合作为洗涤剂助剂的非晶态硅酸钠粉末。 该无定形硅酸钠粉末的特征在于，当SiO 2 / Na 2 O的摩尔比由n表示且其比表面积由S（m 2 / g）表示时，表达式如下： 和都满足

    Amorphous sodium silicate-metal sulfate composite powder
    2.
    发明公开
    Amorphous sodium silicate-metal sulfate composite powder 失效
    Amorphes Natriumsilikat-Metall sulfat Verbundpulver

    公开(公告)号：EP0728837A1

    公开(公告)日：1996-08-28

    申请号：EP96102727.3

    申请日：1996-02-23

    申请人： TOKUYAMA CORPORATION

    发明人： Fukuyama, Yoshiki ,  Taga, Genji

    IPC分类号： C11D3/08 ,  C11D3/02 ,  C11D3/12

    CPC分类号： C11D3/046 ,  C11D3/08 ,  C11D3/122

    摘要： Amorphous sodium silicate-metal sulfate composite powder having water softening power and having small hygroscopicity, and useful as a detergent builder is provided. This amorphous sodium silicate-metal sulfate composite powder is characterized in that it contains a metal sulfate, for example, sodium sulfate, as solid solution, and when the SiO 2 /Na 2 O molar ratio is expressed by n and the specific surface area thereof is expressed by S (m 2 /g), n and S satisfy the following expressions: 1.60 ≦ n ≦ 2.80 0.10 ≦ n ≦ 2.00 , provided that it is assumed that the molar number of Na 2 O is the molar number of Na 2 O based on sodium silicate, and does not contain the molar number of Na 2 O based on sodium sulfate in the case where the metal sulfate is sodium sulfate. This powder is prepared by grinding sodium silicate cullet containing the metal sulfate as solid solution.

    摘要翻译： 提供具有水软化能力和吸湿性小的无定形硅酸钠 - 金属硫酸盐复合粉末，并且可用作洗涤剂助洗剂。 该无定形硅酸钠 - 金属硫酸盐复合粉末的特征在于，其含有金属硫酸盐，例如硫酸钠作为固溶体，当SiO 2 / Na 2 O摩尔比由n表示时，其比表面积由 S（m 2 / g），n和S满足以下表达式： ，条件是假设Na 2 O的摩尔数是基于硅酸钠的Na 2 O的摩尔数， 并且在金属硫酸盐为硫酸钠的情况下不含有基于硫酸钠的摩尔数的Na 2 O。 该粉末是通过研磨含有金属硫酸盐的硅酸钠碎玻璃作为固溶体制备的。