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Cement quick-setting admixture and cement composition
Cement quick-setting admixture and cement composition
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机译:水泥快凝外加剂和水泥组合物
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摘要
PROBLEM TO BE SOLVED: To provide a cement quick setting agent which can impart quick setting force equal to that of the conventional one under low addition, and further can reduce shrinkage as well.;SOLUTION: (1) The cement quick setting agent comprises lithium-containing hectorite and calcium aluminate having a chemical composition composed of 38 to 60 mass% CaO and 40 to 62 mass% Al2O3. (2) The cement quick setting agent comprises gypsum. (3) The cement quick setting agent comprises one or more kinds selected from a carbonate, aluminate and silicate of alkali metals. (4) The cement composition comprises cement and the cement quick setting agent.;COPYRIGHT: (C)2010,JPO&INPIT
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机译:要解决的问题:提供一种水泥快速固化剂,其在低添加量下可赋予与常规水泥相同的快速固化力,并且还可以减少收缩。;解决方案:(1)水泥快速固化剂包含锂化学组成为38至60质量%CaO和40至62质量%Al 2 Sub> O 3 Sub>的含锂蒙脱石和铝酸钙。 (2)水泥速凝剂包括石膏。 (3)水泥速凝剂包括选自碱金属的碳酸盐,铝酸盐和硅酸盐中的一种或多种。 (4)水泥组合物由水泥和水泥速凝剂组成。版权所有:(C)2010,日本特许厅
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