Modified cement grinding aid
A cement grinding aid and modification technology, which is applied in the field of cement additives, can solve problems such as poor performance stability, poor cement compatibility, and sensitivity to seepage changes, and achieve low cost, excellent performance, and good reinforcement effect Effect
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Embodiment 1
[0016] The modified cement grinding aid is made of the following materials in parts by weight: 20 parts of polymerized polyol, 10 parts of lignin-based alcohol amine, 2 parts of sodium fatty acid, 5 parts of polytetrafluoroethylene powder, solid phosphoric acid di 1 part of aluminum hydrogen, 1 part of gelatin, 2 parts of sucrose; the particle diameter of the solid aluminum dihydrogen phosphate is 50nm.
Embodiment 2
[0018] The modified cement grinding aid is made of the following materials in parts by weight: 22 parts of polymerized polyols, 15 parts of lignin-based alcohol amines, 4 parts of sodium fatty acid, 6 parts of polytetrafluoroethylene powder, solid phosphoric acid di 2 parts of aluminum hydrogen, 2 parts of gelatin, 3 parts of sucrose; the particle diameter of the solid aluminum dihydrogen phosphate is 60nm.
Embodiment 3
[0020] The modified cement grinding aid is made of the following materials in parts by weight: 25 parts of polymerized polyol, 25 parts of lignin-based alcohol amine, 8 parts of sodium fatty acid, 8 parts of polytetrafluoroethylene powder, solid phosphoric acid di 4 parts of aluminum hydrogen, 3 parts of gelatin, 4 parts of sucrose; the particle diameter of the solid aluminum dihydrogen phosphate is 70nm.
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