Concrete superplasticizer and preparation method thereof
A technology of concrete water-reducing agent and high-efficiency water-reducing agent is applied in the field of water-reducing agent, which can solve the problems of single performance of water-reducing agent, inability to resist cracking, and difficult to preserve, and achieve stable performance, convenient preservation, and improved cracking resistance. performance effect
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Embodiment 1
[0018] A high-efficiency water reducer for concrete, the mass parts of the concrete water reducer are composed as follows: 40 parts of polycarboxylate water reducer mother liquor, 20 parts of sodium sulfite, 20 parts of sodium hydroxide, 20 parts of fly ash, 5 parts of borax, corn 5 parts of rods, 5 parts of corn cobs, 5 parts of sugar, 5 parts of slump retaining agent, 10 parts of starch, 10 parts of viscosity modifier, 5 parts of defoamer, 5 parts of initiator, and 60 parts of water.
[0019] Further, the initiator is ammonium sulfate.
[0020] A preparation method for concrete high-efficiency water reducer, comprising the following steps:
[0021] Step 1: Stir and pulverize corn stalks and corncobs respectively, then mix with sodium sulfite, fly ash, borax, starch, and water, and heat to fully dissolve the above ingredients to obtain a mixed material 1;
[0022] Step 2: Add polycarboxylate superplasticizer mother liquor, sodium hydroxide, and white sugar to the mixed mater...
Embodiment 2
[0026] A high-efficiency water reducer for concrete, the mass parts of the concrete water reducer are composed as follows: 42.5 parts of polycarboxylate water reducer mother liquor, 25 parts of sodium sulfite, 25 parts of sodium hydroxide, 25 parts of fly ash, 7.5 parts of borax, corn 7.5 parts of rods, 7.5 parts of corncobs, 7.5 parts of white sugar, 7.5 parts of slump retaining agent, 15 parts of starch, 15 parts of viscosity modifier, 7.5 parts of defoamer, 7.5 parts of initiator, and 70 parts of water.
[0027] Further, the initiator is ammonium sulfate.
[0028] A preparation method for concrete high-efficiency water reducer, comprising the following steps:
[0029] Step 1: Stir and pulverize corn stalks and corncobs respectively, then mix with sodium sulfite, fly ash, borax, starch, and water, and heat to fully dissolve the above ingredients to obtain a mixed material 1;
[0030] Step 2: Add polycarboxylate superplasticizer mother liquor, sodium hydroxide, and white sug...
Embodiment 3
[0034] A high-efficiency water reducer for concrete, the mass parts of the concrete water reducer are composed as follows: 45 parts of polycarboxylate water reducer mother liquor, 30 parts of sodium sulfite, 30 parts of sodium hydroxide, 30 parts of fly ash, 10 parts of borax, corn 10 parts of rods, 10 parts of corncobs, 10 parts of sugar, 10 parts of slump retaining agent, 20 parts of starch, 20 parts of viscosity modifier, 10 parts of defoamer, 10 parts of initiator, 80 parts of water.
[0035] Further, the initiator is ammonium sulfate.
[0036] A preparation method for concrete high-efficiency water reducer, comprising the following steps:
[0037] Step 1: Stir and pulverize corn stalks and corncobs respectively, then mix with sodium sulfite, fly ash, borax, starch, and water, and heat to fully dissolve the above ingredients to obtain a mixed material 1;
[0038] Step 2: Add polycarboxylate superplasticizer mother liquor, sodium hydroxide, and white sugar to the mixed mat...
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