High-flexibility leakage-resistant waterproof mortar

An anti-seepage and waterproof, high-flexibility technology, applied in the field of building materials, can solve the problems of polluted water sources, serious hazards, waste of land and resources, etc., and achieve the effects of protecting the environment, improving impermeability, and avoiding the occupation of cultivated land

Active Publication Date: 2017-12-29
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no good treatment method for sawdust, and it can only be piled up. The piling up

Method used

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  • High-flexibility leakage-resistant waterproof mortar
  • High-flexibility leakage-resistant waterproof mortar
  • High-flexibility leakage-resistant waterproof mortar

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[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 ult...

Example Embodiment

[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; t...

Example Embodiment

[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 i...

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Abstract

High-flexibility leakage-resistant waterproof mortar is prepared from component in weight ratio as follows: 300-500 parts of cement, 100-300 parts of sawdust, 0.5-4 parts of a water-retaining thickener, 5-30 parts of polymer powder, 20-40 parts of bentonite, 0.2-2 parts of a rheological agent, 5-30 parts of an active compound, 1-3 parts of a water repellent, 30-60 parts of ultrafine powder, 0.5-2 parts of an early strength agent and 300-500 parts of sand. A continuous closed polymer film can be formed in the prepared mortar, and the active compound in the mortar can be crystalized and expanded to block capillary channels, so that the mortar has the characteristics of high binding strength, good flexibility, high strength, good leakage resistance, simple preparation process and low cost, can be applied widely to waterproofing and damp proofing of basements, waterproofing of roofs and external walls of buildings, waterproofing of underground garages, integral waterproofing of water tanks and water towers and the like and has large market space and high practicability.

Description

technical field [0001] The invention relates to a highly flexible anti-seepage and waterproof mortar, which belongs to the field of building materials. Background technique [0002] The application of waterproof materials in construction engineering has a long history, but it is more limited to the application of flexible materials such as "coiled materials" and "paints". But at the same time, it also blocks the entry and exit of air in the cement concrete. If the mortar concrete is in an airtight and non-breathing state for a long time, it will only accelerate aging and shorten its life. [0003] The existing ordinary rigid waterproof mortar mainly uses external additives such as water reducing agents, expansion agents, air-entraining agents and waterproofing agents as waterproof materials. Only when the construction thickness is more than 1cm can the waterproof effect be achieved. Not only the construction thickness increases but also the waterproof effect is not good. go...

Claims

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Application Information

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IPC IPC(8): C04B28/06
CPCC04B28/06C04B2111/27C04B2201/50C04B18/26C04B24/26C04B24/18C04B2103/302C04B24/383C04B24/04C04B24/40C04B14/104C04B18/146C04B18/12C04B22/147C04B14/06C04B2103/0068C04B24/122C04B14/28C04B18/08C04B24/42
Inventor 高建明陈雪梅刘川北陈菲
Owner SOUTHEAST UNIV
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