Efficient water reducer of concrete
A high-efficiency water-reducing agent and concrete technology, which is applied in the preparation of water-reducing agent and the field of air-entraining high-efficiency water-reducing agent, can solve the problems of concrete use strength influence, unstable air bubble properties, complex preparation process, etc., and achieve adaptability Good, improved workability, increased development speed
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[0033] Example 1
[0034] A high-efficiency water reducing agent for concrete, mainly composed of modified naphthalene sulfonate, lignosulfonate, sodium sulfate, fly ash, triethanolamine, sodium gluconate, sodium dodecylbenzene sulfonate, silicone resin It is composed of polyether emulsion and sodium nitrite. The weight ratio is: 350 parts of modified naphthalene sulfonate, 60 parts of lignosulfonate, 12 parts of sodium sulfate, 6 parts of fly ash, and 0.04 parts of triethanolamine. 12 parts of sodium gluconate, 0.04 parts of sodium dodecylbenzene sulfonate, 0.6 parts of silicone resin polyether emulsion, 0.6 parts of sodium nitrite.
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[0035] Example 2
[0036] A high-efficiency water reducing agent for concrete, mainly composed of modified naphthalene sulfonate, lignosulfonate, sodium sulfate, fly ash, triethanolamine, sodium gluconate, sodium dodecylbenzene sulfonate, silicone resin It is composed of polyether emulsion and sodium nitrite. The weight ratio is: 250 parts of modified naphthalene sulfonate, 40 parts of lignosulfonate, 8 parts of sodium sulfate, 4 parts of fly ash, and 0.02 parts of triethanolamine , 8 parts of sodium gluconate, 0.02 parts of sodium dodecylbenzene sulfonate, 0.4 parts of silicone resin polyether emulsion, 0.4 parts of sodium nitrite.
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[0037] Example 3
[0038] The weight ratio of the high-efficiency water reducing agent for concrete is 300 parts of modified naphthalene sulfonate, 50 parts of lignosulfonate, 10 parts of sodium sulfate, 5 parts of fly ash, and 0.03 parts of triethanolamine. , 10 parts of sodium gluconate, 0.03 parts of sodium dodecylbenzene sulfonate, 0.5 parts of silicone resin polyether emulsion, 0.5 parts of sodium nitrite.
[0039] Said high-iron water-reducing agent for concrete also contains organic silicon, and the weight of organic silicon accounts for 0.01% of the weight components of the concrete used.
[0040] The preparation method of the concrete superplasticizer is as follows:
[0041] a. Add 300 parts of modified naphthalene sulfonate, 50 parts of lignosulfonate, 10 parts of sodium sulfate, 5 parts of fly ash, 0.03 parts of triethanolamine, 10 parts of sodium gluconate, and 0.03 parts in the reactor. Sodium dodecylbenzene sulfonate, 0.5 parts of silicone resin polyether emulsion, 0.5 ...
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