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研究不同种类减水剂对氯氧镁水泥净浆流动性的影响,结果表明,适合普通硅酸盐水泥的减水剂,对氯氧镁水泥的净浆流动性和减水率没有明显的效果。根据氯氧镁水泥的特性,研究了适合于氯氧镁水泥的复合专用减水剂,JM-1菱镁专用复合减水剂对氯氧镁水泥的减水率高,同时对氯氧镁水泥制品的力学性能、耐水性能均有不同程度的提高,特别是对降低制品中游离氯离子含量,提高制品抗返卤性具有明显效果。
The effects of different types of superplasticizers on the fluidity of magnesium oxychloride cement paste were studied. The results showed that the water reducer suitable for ordinary portland cement had no obvious effect on the paste fluidity and water reducing rate of magnesium oxychloride cement . According to the characteristics of magnesium oxychloride cement, composite special superplasticizer suitable for magnesium oxychloride cement was studied. The water reducing rate of magnesium oxychloride cement was high with JM-1 special magnesite composite superplasticizer, Mechanical properties of products, water resistance have improved in varying degrees, especially to reduce the content of free chlorine ions in the product, improve product anti-backhalation has a significant effect.