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Compound waterproof agent for construction

A composite, waterproofing agent technology, applied in the field of building waterproofing, can solve the problems of poor waterproofing effect, long construction time of waterproofing agent, easy cracking, etc., achieve good anti-seepage and anti-seepage performance, save labor and material costs, and enhance the setting speed. Effect

Inactive Publication Date: 2015-10-28
QINGDAO WINCHANCE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a composite waterproofing agent for construction, which solves the problems of long construction time, poor waterproofing effect and easy cracking of the waterproofing agent in the prior art

Method used

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  • Compound waterproof agent for construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A composite waterproofing agent for buildings of the present invention comprises the following components by weight: 20 parts of gypsum powder, 15 parts of silicon powder, 10 parts of sodium hydroxide, 20 parts of sodium silicate, 10 parts of sodium carbonate, ethyl 10 parts of trimethylsilane, 10 parts of dimethyldichlorosilane, 5 parts of flake iron powder, 5 parts of Tween-80, 10 parts of guar gum, 5 parts of Span-80, 30 parts of water.

Embodiment 2

[0014] A composite waterproofing agent for buildings of the present invention comprises the following components by weight: 30 parts of gypsum powder, 20 parts of silicon powder, 15 parts of sodium hydroxide, 30 parts of sodium silicate, 20 parts of sodium carbonate, ethyl 20 parts of trimethylsilane, 15 parts of dimethyldichlorosilane, 10 parts of flake iron powder, 10 parts of Tween-80, 15 parts of guar gum, 10 parts of Span-80, 50 parts of water.

Embodiment 3

[0016] A composite waterproofing agent for construction of the present invention comprises the following components by weight: 40 parts of gypsum powder, 30 parts of silicon powder, 20 parts of sodium hydroxide, 40 parts of sodium silicate, 30 parts of sodium carbonate, ethyl 30 parts of trimethylsilane, 20 parts of dimethyldichlorosilane, 15 parts of flake iron powder, 15 parts of Tween-80, 20 parts of guar gum, 15 parts of Span-80, 80 parts of water.

[0017] The construction compound type of embodiment 1 to embodiment 3 is directly painted on the construction site, and its impermeability pressure, shear bond strength, and tensile bond strength are measured respectively after 7 days and 14 days. The test results are shown in Table 1 shown. As can be seen from Table 1, compared with the existing commercially available waterproofing agent for construction, that is, the control sample in Table 1, the composite waterproofing agent for construction of the present invention has a ...

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Abstract

Belonging to the field of building waterproof technologies, the invention discloses a compound waterproof agent for construction. The compound waterproof agent for construction provided by the invention includes the following components by weight: 20-40 parts of gypsum powder, 15-30 parts of silica fume, 10-20 parts of sodium hydroxide, 20-40 parts of sodium silicate, 10-30 parts of sodium carbonate, 10-30 parts of ethyltrimethylsilane, 10-20 parts of dimethyldichlorosilane, 5-15 parts of flake iron powder, 5-15 parts of tween-80, 10-20 parts of guar gum, 5-15 parts of Span-80, and 30-80 parts of water. According to the invention, under the action of sodium hydroxide, sodium carbonate and flake iron powder, the gypsum powder and silica fume make the gaps in the mortar and concrete compact, thus achieving the waterproof purpose. And under the action of other additives, the liquidity, filling ability and condensation speed of the waterproof agent are enhanced. The compound waterproof agent for construction provided by the invention has the advantages of environmental friendliness, simple construction, good impervious and anti-seepage performance, and long service life.

Description

technical field [0001] The invention belongs to the technical field of building waterproofing, in particular to a composite waterproofing agent for building. Background technique [0002] With the rapid development of the economy, my country's construction industry is also developing rapidly, and the use of concrete has also greatly increased. However, during the pouring and hardening process of concrete, volume shrinkage will occur due to reasons such as chemical shrinkage, cold shrinkage, and dry shrinkage. And the more cement and water used per unit, the larger the concrete volume, the faster the water evaporates, and the more obvious the shrinkage. Generally, every 1m 3 The shrinkage value of concrete is 0.04-0.09%, which leads to adverse consequences such as cracking, leakage, corrosion of steel bars, and loss of prestress in concrete. [0003] Waterproofing agent for construction is produced to solve problems such as concrete cracking, leakage, corrosion of steel ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42C04B103/65
Inventor 苏建丽
Owner QINGDAO WINCHANCE TECH