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    • 1. 发明授权
    • Cementitious mixture
    • 水泥混合物
    • US06514334B1
    • 2003-02-04
    • US09673251
    • 2001-03-07
    • Paul PerryColin Klander William PerryMaria Coral MiersShereen ParrishPatricia Phillis PerryGary Hunt
    • Paul PerryColin Klander William PerryMaria Coral MiersShereen ParrishPatricia Phillis PerryGary Hunt
    • C04B724
    • C04B7/24C04B18/0481Y02P40/145Y02W30/91
    • A process for making a hydraulic cementitious mixture, which process comprises the steps of: (i) providing a first granular composition (A) comprising expressed in terms of weight percent on an oxide basis: SiO2 55 to 80, Al2O3 10 to 20, Na2O 1 to 10, K2O 1 to 10, Fe2O3 0.5 to 2, SrO 0 to 7, BaO 0 to 7, Ce2O3 0 to 4,CaO 0 to 2, La2O3 0 to 2, Nd2O3 0 to 1, Pr2O3 0 to 0.5, P2O5 0 to 0.5, ZrO2 0 to 0.5, Sb2O3 0 to 0.5, TiO20 to 0.5, MgO 0 to 0.2, MnO 0 to 0.1, wherein the chloride ion content is from 0.013 to 0.05 weight % and the sulphate ion content is from 0.03 to 0.15 weight %, and (ii) providing a second granular composition (B) comprising expressed in terms of weight percent on an oxide basis: CaO 80 to 99, SiO2 1 to 10, Fe2O30.1 to 1.5, MgO 0 to 8, Al2O3 0 to 3, BaO 0 to 2, K2O 0 to 0.4, Na2O 0 to 0.2, SrO 0 to 0.2, MnO 0 to 0.2, Ce2O30 to 0.1, La2O3 0 to 0.1, Pr2O3O 0 to 0.1, P2O5 0 to 0.1, Nd2O3 0 to 0.1, TiO2 0 to 0.1, wherein the chloride ion content is from 0.001 to 0.008 wt % and the sulphate ion content is from 0.01 to 0.04 wt %, and (iii) mixing granular compositions (A and B) to form a substantially homogeneous cementitious mixture.
    • 一种制备水硬性水泥混合物的方法,该方法包括以下步骤:(i)提供第一颗粒组合物(A),其包含以氧化物为基准的重量百分比表示:SiO 2 55至80,Al 2 O 3 10至20,Na 2 O 1〜10,K2O1〜10,Fe2O3 0.5〜2,SrO 0〜7,BaO 0〜7,Ce2O3 0〜4,CaO 0〜2,La2O3 0〜2,Nd2O3 0〜1,Pr2O3 0〜0.5,P2O5 0至0.5,ZrO 2 0至0.5,Sb 2 O 3 0至0.5,TiO 2至0.5,MgO 0至0.2,MnO 0至0.1,其中氯离子含量为0.013至0.05重量%,硫酸根离子含量为0.03至0.15 重量%,和(ii)提供第二颗粒组合物(B),其包含以氧化物为基准以重量百分比表示:CaO 80至99,SiO 2 1至10,Fe 2 O 30 I至1.5,MgO 0至8,Al 2 O 3 0 至3,BaO 0至2,K 2 O 0至0.4,Na 2 O 0至0.2,SrO 0至0.2,MnO 0至0.2,Ce 2 O 30至0.1,La 2 O 3 0至0.1,Pr 2 O 3 O 0至0.1,P 2 O 5 0至0.1,Nd 2 O 3 0至 0.1,TiO 2 0〜0.1,其中氯离子含量为0.001〜0.008重量% 并且硫酸根离子含量为0.01至0.04重量%,和(iii)将颗粒组合物(A和B)混合以形成基本均匀的水泥混合物。