Efficient composite liquid cement grinding aid and preparation method thereof
A cement grinding aid and liquid technology, applied in the field of grinding aids, can solve the problems of restricting the excessive use of triethanolamine, exceeding 0.03%-0.05% of concrete performance, adverse effects, etc., and achieves improved adaptability, stable quality, and increased The effect of early and late strength
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Embodiment 1
[0017] Weigh each component according to the following weight percentage: 10% triethanolamine, 15% chloropropanediol, 2% sodium acetate, 1% sodium thiosulfate, 10% sodium chloride, 2% polycarboxylate superplasticizer, 0.5% glacial acetic acid %, and the rest is water.
[0018] Inject water into the reaction kettle, add sodium acetate, sodium thiosulfate, and sodium chloride at room temperature, stir for 2 hours, add triethanolamine, 3-propylene glycol, polycarboxylate water reducer and stir for 1 hour after all dissolve, and finally add glacial acetic acid and stir After 30 minutes, the product is filtered with a 200-mesh filter and then discharged into barrels.
Embodiment 2
[0020] Each component is weighed according to the following percentages by weight: 30% of triethanolamine, 50% of 3-propylene glycol, 5% of polycarboxylate superplasticizer, and the rest is water.
[0021] Inject water into the reaction kettle, put triethanolamine, 3-propylene glycol, and polycarboxylate water-reducer at room temperature, stir for 1 hour, discharge and load into barrels after all are dissolved.
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