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Anti-cracking impervious agent and production method thereof

An anti-seepage agent and anti-cracking technology, which is applied in the field of anti-cracking and anti-seepage agents, can solve the problems of huge cost and consumables, crack resistance, flexural resistance, impact resistance and poor weather resistance and durability, so as to improve the later strength and reduce bleeding. Water-based, durability improvement effect

Active Publication Date: 2009-07-08
俞锡贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the anti-cracking mortar configured with ordinary waterproofing agent, expansion agent, air-entraining agent or water reducing agent has poor crack resistance, flexural resistance, impact resistance, weather resistance, and durability, which has led to repeated treatment of leakage in Chinese buildings. No, it costs a lot of money

Method used

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  • Anti-cracking impervious agent and production method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1, a kind of high-efficiency anti-crack and anti-seepage agent, its component and weight content are: activated zeolite powder 60%, silica fume 15%, calcium oxide 5%, magnesium oxide 5%, anhydrous sodium sulfate 8%, formazan Base cellulose ether 0.1%, sodium lauryl sulfate 2.9% and high-strength high elastic modulus polyvinyl alcohol fiber 4%.

[0035] The specific requirements for the above components are as follows:

[0036] Activated zeolite powder is obtained by grinding clinoptilolite with a pore size of 400 nanometers to 150 mesh, and removing crystal water at an ultra-high temperature of 800°C. The high-strength and high-elastic-modulus polyvinyl alcohol fiber has a diameter of 18 μm and a length of 6 mm. The silica fume is 7000 mesh silica fume.

[0037] All components in the anti-cracking and anti-seepage agent of the present invention are commercially available products.

[0038] The production method of above-mentioned anti-cracking anti-seepage...

Embodiment 2

[0042] Embodiment 2, a high-efficiency crack-resistance and anti-seepage agent, its components and weight content are: 80% of activated zeolite powder, 5.8% of silica fume, 3% of calcium oxide, 3% of magnesium oxide, 3% of anhydrous sodium sulfate, formazan Base cellulose ether 0.2%, sodium dodecylbenzene sulfonate 2% and high-strength high elastic modulus polyvinyl alcohol fiber 3%.

[0043] The specific requirements for the above components are as follows:

[0044] Activated zeolite powder is obtained by grinding clinoptilolite with a pore size of 600 nanometers to 200 mesh, and removing crystal water at an ultra-high temperature of 900°C. The high-strength and high-elastic-modulus polyvinyl alcohol fiber has a diameter of 20 μm and a length of 3 mm. The silica fume is 9000 mesh silica fume.

[0045] All components in the anti-cracking and anti-seepage agent of the present invention are commercially available products.

[0046] The production method of above-mentioned ant...

Embodiment 3

[0050] Embodiment 3, a high-efficiency crack resistance and anti-seepage agent, its components and weight content are: activated zeolite powder 65.7%, silica fume 10%, calcium oxide 8%, magnesium oxide 8%, anhydrous sodium sulfate 5%, formazan 0.3% of base cellulose ether, 1% of silane-based composite material and 2% of high-strength and high-elastic-modulus polyvinyl alcohol fiber.

[0051] The specific requirements for the above components are as follows:

[0052] Activated zeolite powder is obtained by grinding mordenite with a pore size of 500 nanometers to 250 mesh, and removing crystal water at an ultra-high temperature of 850°C. The high-strength and high-elastic-modulus polyvinyl alcohol fiber has a diameter of 19 μm and a length of 5 mm. Silica fume is made of 10000 mesh silica fume.

[0053] All components in the anti-cracking and anti-seepage agent of the present invention are commercially available products.

[0054] The production method of above-mentioned anti...

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Abstract

The invention discloses a highly effective anticracking impervious agent, which comprises the following steps: 1) allocating component and mass content as 60%-80% activatable zeolitic powder, 5%-15% silica ash, 3%-8% calcium oxide, 3%-8% magnesium oxide, 3%-8% anhydrous sodium sulfate, 0. 1%-0. 3% cethylose ether, 1. 0%-3. 0% silane coupling agent and 2%-4% high-strength high elasticity modulus polyethelene alcohol fibre; putting the activatable zeolitic powder and the silane coupling agent into the autoclave; proceeding modified reaction; getting modified powder; 2) putting into cooling tank; cooling to room temperature; adding into the silica ash, the calcium oxide, the magnesium oxide, the anhydrous sodium sulfate and metyl group the cellulose ether; proceeding mix; getting mixture; 3) putting the mixture into zero gravity agitator; adding into the high-strength high elasticity modulus polyethelene alcohol fibre; stirring evenly to non-cluster. This invention possesses good dewatering property and high crack resistance.

Description

technical field [0001] The invention relates to an admixture applied to mortar, in particular to an anti-crack and anti-seepage agent. Background technique [0002] Protecting buildings and structures from moisture and water intrusion is important for building durability. For concrete and masonry structures, the presence and migration of moisture is often an important cause of undesirable changes in the properties of the structure. At the same time, moisture, as an important medium for transferring soluble components inside the structure, can also cause damage to the structural performance of concrete and masonry. For example, carbonation of concrete and mortar, corrosion of rebar, freeze-thaw damage, and mold in walls are all related to the presence and migration of water. In recent years, when building walls adopt self-insulation system or make composite insulation layer on the outside of the wall to play a good role in thermal insulation, but these must solve the proble...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/40C04B24/38C04B14/04C04B14/06C04B22/14C04B16/06C04B14/36
CPCC04B40/0039
Inventor 俞锡贤
Owner 俞锡贤
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