High-flexibility leakage-resistant waterproof mortar

[0027] Example 1:

[0028] A preparation method of highly flexible impermeable waterproof mortar, which is composed of: cement: 500 parts, sawdust 300 parts, water-retaining thickener: 4 parts, polymer rubber powder: 30 parts, bentonite: 30 parts, rheological agent: 2 parts, active compound: 30 parts, water repellent: 2 parts; ultra-fine powder: 30 parts, early strength agent: 2 parts, sand: 300 parts.

[0029] The cement is aluminate cement; the water-retaining thickener is hydroxyethyl methyl cellulose ether; the polymer rubber powder is a latex powder copolymerized with vinyl acetate and ethylene, with a solid content of ≥98%, fine Degree 0.5-8μm; the moisture content of the bentonite is <10%, and the expansion ratio in 24h is greater than 10; the rheological agent is a mixture of a naphthalene-based water reducing agent and sodium lignosulfonate with a mass ratio of 7:3; the active compound is Zirconium silicone; the water repellent is calcium stearate water repellent; the ultra-fine powder is a mixture of silica fume and mineral powder with a mass ratio of 2:3; the early strength agent is sodium sulfate; The sawdust mentioned is the sawdust produced during the cutting process of organic polymer artificial marble, with a particle size of 200-100 mesh, and a moisture content ≤0.2%; the sand is river sand with a moisture content of <0.2%, and the gradation is: particle size The proportion of 20 meshes or more and the maximum particle size less than 1mm is 2wt%, the proportion of particle size 20-40 mesh is 55wt%, the proportion of particle size 40-80 mesh is 38wt%, and the proportion of particle size below 80 mesh is 5wt%.

[0030] Stir the above-mentioned raw materials uniformly, add water and stir, and control the consistency of the mortar from 70 to 80 mm to obtain a highly flexible, impermeable and waterproof mortar.

[0031] The 28-day compressive strength is 26MPa, the 28-day impermeability pressure is 1.6MPa, and the compression ratio is 2.75.

[0032] Example 2:

[0033] A preparation method of highly flexible impermeable waterproof mortar, which is composed of: cement: 450 parts, sawdust 100 parts, water-retaining thickener: 2 parts, polymer powder: 40 parts, bentonite: 20 parts, rheological agent: 2 parts, active compound: 5 parts, water-repellent agent: 3 parts; ultra-fine powder: 60 parts, early strength agent: 1 part, sand: 500 parts.

[0034] The cement is aluminate cement; the water-retaining thickener is methyl cellulose ether; the polymer rubber powder is a latex powder copolymerized with vinyl acetate and ethylene, with a solid content of ≥98% and a fineness of 0.5~ 8μm; the moisture content of the bentonite is less than 10%, and the expansion ratio in 24 hours is greater than 10; the rheological agent is a mixture of a naphthalene-based water reducing agent and calcium sodium lignosulfonate with a mass ratio of 7:3; the active compound is silicone Zirconium; the water repellent is a modified water repellent; the ultrafine powder is a mixture of silica fume and heavy calcium powder with a mass ratio of 2:3; the early strength agent is triethanolamine; the sawdust Sawdust produced during the cutting process of organic polymer artificial marble, with a particle size of 200-100 meshes and a moisture content of ≤0.2%; the sand is river sand with a moisture content of <0.2%, and the gradation is: the particle size is above 20 mesh And the proportion of the largest particle size less than 1mm is 1wt%, the proportion of the particle size 20-40 mesh is 65wt%, the proportion of the particle size 40-80 mesh is 31wt%, and the proportion of the particle size less than 80 mesh is 3wt%.

[0035] Stir the above-mentioned raw materials uniformly, add water and stir, and control the consistency of the mortar from 70 to 80 mm to obtain a highly flexible, impermeable and waterproof mortar.

[0036] The 28-day compressive strength is 30MPa, the 28-day impermeability pressure is 1.8MPa, and the compression ratio is 2.5.

[0037] Example 3:

[0038] A preparation method of highly flexible impermeable waterproof mortar, which consists of cement: 300 parts, sawdust 150 parts, water-retaining thickener: 0.5 parts, polymer rubber powder: 5 parts, bentonite: 40 parts, rheological agent: 0.2 parts, active compound: 15 parts, water-repellent: 3 parts; ultra-fine powder: 50 parts, early strength agent: 2 parts, sand: 440 parts.

[0039] Wherein the cement is sulfoaluminate cement; the water-retaining thickener is hydroxyethyl cellulose ether; the polymer rubber powder is a latex powder copolymerized with vinyl acetate and ethylene, with a solid content of ≥98%, fineness 0.5~8μm; the moisture content of the bentonite is less than 10%, and the expansion ratio in 24 hours is greater than 10; the rheological agent is a mixture of naphthalene-based water reducing agent, sodium lignosulfonate, and calcium lignosulfonate, with a mass ratio of 3:1 :1; The active compound is silicone zirconium; The water repellent is an organosilicon water repellent; The ultrafine powder is a mixture of silica fume and fly ash with a mass ratio of 2:3; The strong agent is calcium formate; the sawdust is the sawdust produced during the cutting of organic polymer artificial marble, the particle size is 200-100 mesh, and the moisture content is ≤0.2%; the sand is machine-made sand, and the moisture content is less than 0.2% , The gradation is: 0.5wt% of particle size above 20 mesh and maximum particle size less than 1mm, particle size of 20-40 mesh proportion is 60wt%, particle size 40-80 mesh proportion is 37.5wt%, particle size 80 mesh The following ratio is: 2wt%.

[0040] Stir the above-mentioned raw materials uniformly, add water and stir, and control the consistency of the mortar from 70 to 80 mm to obtain a highly flexible, impermeable and waterproof mortar.

[0041] The 28-day compressive strength is 25MPa, the 28-day impermeability pressure is 1.7MPa, and the compression ratio is 2.65.