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    • 6. 发明授权
    • Method for producing crystalline inorganic builders
    • 生产结晶无机助洗剂的方法
    • US6143266A
    • 2000-11-07
    • US125815
    • 1998-08-26
    • Mikio SakaguchiIchiro SakamotoKazuhiro OtsukaMasaharu Jyono
    • Mikio SakaguchiIchiro SakamotoKazuhiro OtsukaMasaharu Jyono
    • C01B33/36C01B33/38C11D3/12C01B33/24C01B33/20C01B33/32
    • C01B33/38C01B33/36C11D3/1273
    • A method for producing a crystalline inorganic builder having the following composition in its anhydrous form: xM.sub.2 O.ySiO.sub.2.zMeO, wherein x, y and z are numerical values satisfying the following relationships: y/x is 1.0 to 4.0, z/y is not more than 1.0, M stands for Na and K, K/Na is 0.01 to 2.0, and Me stands for Ca and/or Mg, the method comprising the steps of (a) adding water, a Na-containing compound, a K-containing compound, and at least one member of Ca-containing compounds and Mg-containing compounds to silica sand, to give a mixture; (b) subjecting the resulting mixture to a hydrothermal treatment; and (c) baking the resulting treated mixture. Also, a method for producing a crystalline inorganic builder having the following composition in its anhydrous form: xM.sub.2 O.ySiO.sub.2, wherein x and y are numerical values satisfying the following relationships: y/x is 1.0 to 4.0, M stands for Na and K, K/Na is 0.01 to 2.0, the method comprising the steps of (a) adding water, a Na-containing compound, a K-containing compound to silica sand, to give a mixture; (b) subjecting the resulting mixture to a hydrothermal treatment; and (c) baking the resulting treated mixture.
    • PCT No.PCT / JP98 / 00147 Sec。 371日期:1998年8月26日 102(e)1998年8月26日PCT 1998年1月14日PCT PCT。 公开号WO98 / 31631 日期1998年7月23日制备无水形式的具有以下组成的结晶无机助洗剂的方法:xM2O.ySiO2.zMeO,其中x,y和z是满足以下关系的数值:y / x为1.0〜4.0, z / y不大于1.0,M代表Na和K,K / Na为0.01至2.0,Me代表Ca和/或Mg,该方法包括以下步骤:(a)加入水,含Na 化合物,含钾化合物,以及至少一种含Ca化合物和含Mg化合物的硅砂,得到混合物; (b)对所得混合物进行水热处理; 和(c)烘烤得到的处理过的混合物。 另外,制备具有以下无机形式的结晶无机助洗剂的方法:xM2O.ySiO2,其中x和y为满足以下关系的数值:y / x为1.0〜4.0,M为Na和K, K / Na为0.01〜2.0,该方法包括以下步骤:(a)将水,含Na化合物,含K化合物加入硅砂中,得到混合物; (b)对所得混合物进行水热处理; 和(c)烘烤得到的处理过的混合物。
    • 10. 发明授权
    • Composite powder
    • 复合粉
    • US06537962B1
    • 2003-03-25
    • US09508816
    • 2000-03-17
    • Kazuo OkiTakashi MiyajiKazuhiro OtsukaMikio Sakaguchi
    • Kazuo OkiTakashi MiyajiKazuhiro OtsukaMikio Sakaguchi
    • C01B3332
    • C11D3/046C11D3/08C11D3/10
    • The present invention pertains to a composite powder comprising (A) an alkali metal silicate particle having an average particle size of from 1 to 500 &mgr;m; and (B) a water-soluble salt particle having an average particle size of from 0.01 to 50 &mgr;m, of which solubility to water at 20° C. is 1 g/100 g or more, wherein the alkali metal silicate particle has a composition formula in an anhydride form represented by: xM2O.ySiO2.zMeO (I) wherein M stands for Na and/or K; Me stands for Ca and/or Mg; y/x is from 0.5 to 4.0; z/x is from 0 to 1.0; and Mg/Ca in MeO is from 0 to 10, and wherein the composite powder has a (A)/(B) weight ratio of from 1/9 to 99/1; and a detergent composition comprising the composite powder. The composite powder is a composite powder having a remarkably enhanced storage stability of the alkali metal silicate without impairing the ion exchange capacity owned by the alkali metal silicate.
    • 本发明涉及复合粉末,其包含(A)平均粒径为1〜500μm的碱金属硅酸盐颗粒; 和(B)平均粒径为0.01〜50μm的水溶性盐粒子,其在20℃下对水的溶解度为1g / 100g以上,其中,碱金属硅酸盐粒子的组成 由下式表示的酸酐形式:xM2O.ySiO2.zMeO(I)其中M代表Na和/或K; 我代表Ca和/或Mg; y / x为0.5〜4.0; z / x为0〜1.0; 和MeO中的Mg / Ca为0至10,并且其中复合粉末的(A)/(B)重量比为1/9至99/1; 以及包含所述复合粉末的洗涤剂组合物。 该复合粉末是具有显着增强的碱金属硅酸盐的储存稳定性而不损害碱金属硅酸盐所具有的离子交换能力的复合粉末。