Enhanced cement composite grinding aid
A grinding aid and enhanced technology, which is applied in the field of cement additives, can solve the problems of no contribution to strength and failure to increase the early strength of cement, etc., and achieve the effect of excellent enhancement performance and perfect comprehensive performance
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Embodiment 1
[0014] Weigh each component according to the following weight percentages: diethanol isopropanolamine 60%, molasses 10%, lignosulfonate 10%, sodium polyphosphate 5%, water 15%, put into the same beaker after weighing and mix Stir well to get cement grinding aid.
Embodiment 2
[0016] Weigh each component according to the following weight percentage: diethanol isopropanolamine 70%, molasses 5%, lignin sulfonate 15%, water 15%, put into the same beaker after weighing and mix well to obtain cement grinding aid .
Embodiment 3
[0018] Weigh each component according to the following weight percentage: diethanol isopropanolamine 80%, molasses 5%, lignosulfonate 5%, sodium polyphosphate 5%, water 5%, put into the same beaker after weighing and mix Stir well to get cement grinding aid.
[0019] Use a small cement test mill, take materials with the same ratio, add 0.03% of the cement grinding aids described in Example 1, Example 2 and Example 3, and grind for the same time. The physical and mechanical properties of the obtained cement are shown in the following table.
[0020]
[0021] It can be seen from the above table that the enhanced cement composite grinding aid of the present invention can not only improve the grinding fineness of cement, but also increase the specific surface area of cement, and the most important thing is to significantly improve the strength of each age. Adding the grinding aid of the present invention will not have adverse effects on other properties of the cement.
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