A kind of green high-early-strength low-alkali liquid accelerator and preparation method thereof
An early-strength, quick-setting agent technology, applied in the field of building materials, can solve problems such as small market share, high price, and uncommon products, and achieve the effects of improving adhesion, high early strength, and high compact strength
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Embodiment 1
[0030] Aluminum sulfate (38%), sodium fluoride (15%), ethanol (10%), triethanolamine (8%), warm wheel glue (2%), polydimethylsiloxane (0.5 %), The rest is water.
[0031] A method of preparing a low-alkali liquid spurgeon for spray concrete, including the following steps:
[0032] (1) Add water to the water bath container to 60 ° C to 70 ° C;
[0033] (2) Maintain the agitation state, and add fluorinated sodium fluoride and aluminum to the water;
[0034] (3) The stabilizer is slowly added dropwise with the constant current pump, ie the modified alkylamine, and the dropwise time is completed within 1 h-1.5 h;
[0035] (4) Keep the constant temperature, add aluminum sulfate, and stir it to completely dissolve;
[0036] (5) Transfer the above solution to the laboratory high-speed shear emulsifier, the suspending agent and the antifoaming agent are added, and the high-speed shear emulsifier is activated. The speed is adjusted to 3000-5000 r / min, and the emulsification is 0.5h-1 h. ...
Embodiment 2
[0038] Aluminum sulfate (45%), sodium fluoride (10%), isopropanol aluminum (8%), triethanolamine maleate (6%), warm wheel glue (3%), polydimethylsiloxane (1%), the rest is water.
[0039] Preparation method Reference Example 1.
Embodiment 3
[0041] Aluminum sulfate (50%), sodium fluoride (10%), aluminum (6%), triethoxide (4%), xanthan gum (2%), polydimethylsiloxane (0.5%) ), The rest is water.
[0042] Preparation method Reference Example 1.
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