摘要
通过对丙三醇的改性实验，得到改性丙三醇再与十二烷基磺酸钠进行复合得到矿渣复合助磨剂，通过实验发现，在N2-N-与甲酸的摩尔比为1：1．4，硫酸的用量为0．30％，反应温度为85℃，反应时间为2．5h得到的改性丙三醇助磨效果优异。当改性丙三醇与十二烷基磺酸钠的摩尔比为4时，得到的矿渣助磨剂表现最好。通过对复合的矿渣助磨剂实验发现，当助磨剂掺入量在0．04％情况下，对高掺量矿渣强度以及助磨性能提高最佳，并通过XRD和SEM分析了对水泥水化的影响。
Through modification experimental of glycerol, slag grinding aids was prepared by modified glycerol and sodium dodecyl sulfate. The experiment discovered, when the molar ratio of glycerin and formic acid is 1： 1.4, sulphuric acid is 0.30%, and the reaction temperature is 85~, reaction time is 2.5 h, grinding effect of the modified glycerol will work well. When the molar ratio of modified glycerol and sodium dodecyl sulfate is 4, the performance of slag grinding aids is the best. When the incorporation of the grinding aid is 0.04%, slag grinding aids experiment found that it has been improved for high content slag strength and grinding performance . And the impact of the cement hydration through XRD and SEM analysis.
关键词
水泥助磨剂
三乙醇胺
矿渣水泥
丙三醇
cement grinding aids
triethyiolamine
slag cement
glycerol
