文章合成了四种官能团基质的有机三乙醇胺化合物(LGA1、FGA2、LGA3、LGA4).在不同掺量与助磨时间条件下,将各化合物分别加入具有一定配比水泥熟料与石膏的球磨机内粉磨并以TEA为对比,测试了粉磨后物料的筛余量、比表面积(SSA)、粒度分布、强度、XRD、SEM等并结合助磨机理予以分析,发现改性后的助磨剂对水泥粉磨效果影响较为显著.试验发现,改性后的三乙醇胺分子中新增了-COOH与羧酸根离子,助磨效果优于TEA.
参考文献
| [1] | Caijun Shi;A. Fernandez Jimenez;Angel Palomo .New cements for the 21st century: The pursuit of an alternative to Portland cement[J].Cement and Concrete Research,2011(7):750-763. |
| [2] | Qiu, X.;Peng, X.;Yi, C.;Deng, Y. .Effect of side chains and sulfonic groups on the performance of polycarboxylate-type superplasticizers in concentrated cement suspensions[J].Journal of Dispersion Science and Technology,2011(1/3):203-212. |
| [3] | 朱化雨,李因文,赵洪义,朱孔赞.以改性醇胺为原料合成水泥助磨剂的研究及应用[J].硅酸盐通报,2011(01):182-186. |
| [4] | M. Katsioti;P.E. Tsakiridis;P. Giannatos;Z. Tsi .Characterization Of Various Cement Grinding Aids And Their Impact On Grindability And Cement Performance[J].Construction and Building Materials,2009(5):1954-1959. |
| [5] | I. Aiad;A. A. Mohammed;S. A. Abo-EL-Enein .Rheological properties of cement pastes admixed with some alkanolamines[J].Cement and Concrete Research,2003(1):9-13. |
| [6] | I.Teoreanu;G.Guslicov .Mechanisms and effects of additives from the dihydroxy-compound class on Portland cement grinding[J].Cement and Concrete Research,1999(1):9-15. |
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