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    • 10. 发明申请
    • Chemical Admixtures for Hydraulic Cements
    • 液压水泥的化学添加剂
    • US20130074736A1
    • 2013-03-28
    • US13624920
    • 2012-09-22
    • Iqbal Gill
    • Iqbal Gill
    • C04B7/02
    • C04B28/02C04B40/0039C04B2103/0086Y02W30/92C04B24/06C04B22/0093C04B22/04C04B18/08
    • This invention relates to a new class of chemical admixtures for hydraulic cement compositions such as pastes, mortars, grouts and concretes. The cement compositions are comprised of ordinary Portland cement, blended cements, or non-Portland cements made with Supplementary Cementitious Materials. The admixtures contain complexes of metals with derivatives of hydroxycarboxylic acids, and improve properties of cement compositions, including setting, hardness, compressive strength, shrinkage, and freeze-thaw resistance. The invention discloses a method for improving the properties of hydraulic cements by adding the disclosed chemical admixtures to cement compositions, and also discloses methods of preparing said admixtures.
    • 本发明涉及一类用于水泥水泥组合物的新型化学混合物,例如糊料,砂浆,浆料和混凝土。 水泥组合物由普通波特兰水泥,混合水泥或由补充水泥材料制成的非波特兰水泥组成。 混合物含有金属与羟基羧酸的衍生物的复合物,并改善水泥组合物的性能,包括固化,硬度,抗压强度,收缩率和抗冻融性。 本发明公开了一种通过将所公开的化学混合物加入到水泥组合物中来改进水硬性水泥性能的方法,还公开了制备所述混合物的方法。