A self-crosslinking two-component waterproof slurry and its preparation method
A waterproof slurry, two-component technology, applied in the field of building materials, can solve the problems of waterproof slurry coating film and substrate falling off, waterproof performance failure, waterproof material cracking, etc., to increase impermeability and waterproof ability, increase adhesion The effect of intensity
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[0054] A preparation method of self-crosslinking two-component waterproof slurry, which comprises steps:
[0055] To prepare a liquid material, put water in a reaction kettle, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes, add corresponding mass parts of crosslinking agent, defoamer and reducer Water agent, stir for 30 minutes, add waterproof additive, stir evenly to obtain the liquid material of component A;
[0056] To prepare solid material, add cement, fly ash, talcum powder, gypsum and polymer rubber powder in corresponding parts by mass to a closed high-speed mixer for premixing evenly, add a dispersant and stir at a high speed to obtain a solid material of component B;
[0057] The liquid material and the solid material are used in combination according to a mass ratio of 2:3 to prepare a self-crosslinking two-component waterproof slurry.
Embodiment 1
[0059] A self-crosslinking two-component waterproof slurry of this embodiment includes A-component liquid material and B-component solid material. In terms of mass percentage, the A-component system includes 70% polyacrylate emulsion, 12% partial Dichloroethylene-vinyl propionate emulsion, 2.0% cross-linking agent, 0.8% defoamer, 1.2% waterproof additive, 1.0% water reducer, 13% water; the B component system includes 45% cement, 25% % high calcium fly ash, 10% talcum powder, 15% gypsum, 3.5% polymer powder, 1.5% dispersant.
[0060] The preparation method of described self-crosslinking two-component waterproof slurry comprises:
[0061](1) First prepare the A-component system: weigh a certain amount of water in the reaction kettle according to the above mass ratio, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes and then add Cross-linking agent, defoamer and water reducer, then stir for 30 minutes, then add water...
Embodiment 2
[0063] A self-crosslinking two-component waterproof slurry of this embodiment includes A component liquid material and B component solid material. In terms of mass percentage, the A component system includes 72% polyacrylate emulsion, 10% partial Ethylene dichloride-vinyl propionate emulsion, 2.5% cross-linking agent, 1.0% defoamer, 1.3% waterproof additive, 1.2% water reducer, 12% water; the B component system includes 48% cement, 22 % high calcium fly ash, 12% talcum powder, 13% gypsum, 3.6% polymer rubber powder, 1.4% dispersant.
[0064] The preparation method of described self-crosslinking two-component waterproof slurry comprises:
[0065] (1) First prepare the A-component system: weigh a certain amount of water in the reaction kettle according to the above mass ratio, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes and then add Cross-linking agent, defoamer and water reducer, then stir for 30 minutes, then...
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