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Organic-inorganic hybrid solution type water repellent for surfacers of building materials and preparation process thereof

A construction material and solution-type technology, which is applied in the field of organic-inorganic hybrid solution-type waterproofing agent and its preparation, can solve the problems of low deformation resistance, high brittleness of waterproof membrane, unstable emulsion, etc., and achieve excellent waterproof performance and waterproof Improved performance and ease of use and construction

Inactive Publication Date: 2012-10-03
暴峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Silicone waterproofing agents mainly include methyl silicate aqueous solution, silicone solvent-based waterproofing agent, and active silicone oil emulsion. Their disadvantages are: the emulsion is unstable, contains a large amount of volatile organic compounds, and has poor alkali resistance
Inorganic silicate waterproofing agent is mainly sodium silicate waterproofing agent, which is used under the action of four alum additives, which is easy to operate and quickly plugged, but the waterproof film formed by it is brittle, has low deformation resistance, and is highly toxic

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Weigh 50g of sodium silicate, 50g of methyltrimethoxysilane, and 900g of water into a reaction flask, and stir and react for 8 hours at 70°C. After cooling, an organic-inorganic hybrid solution-type waterproofing agent for the surface of building materials is obtained ( colorless and transparent).

Embodiment 2

[0017] Weigh 200g of potassium silicate, 100g of propyltrimethoxysilane, and 700g of water into a reaction flask, and stir and react for 1 hour at 100°C. After cooling, an organic-inorganic hybrid solution-type waterproofing agent for the surface of building materials is obtained ( colorless and transparent).

Embodiment 3

[0019] Weigh 180g of sodium silicate, 80g of phenyltrimethoxysilane, and 740g of water into a reaction flask, and stir and react for 2 hours at 80°C. After cooling, an organic-inorganic hybrid solution type waterproofing agent for the surface of building materials is obtained ( colorless and transparent).

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Abstract

The invention relates to an organic-inorganic hybrid solution type water repellent for surfaces of building materials and a preparation process thereof. The organic-inorganic hybrid solution type water repellent for surfaces of building materials is characterized by being prepared by raw materials including 5-20 parts of silicate, 5-10 parts of alkoxy silane, 70-90 parts of water and the like. The organic-inorganic hybrid solution type water repellent for surfaces of building materials has the advantages of environment-friendly property, simple process and excellent water proofing performance.

Description

technical field [0001] The invention relates to a waterproofing agent for the surface of building materials and a preparation method thereof, in particular to an organic-inorganic hybrid solution type waterproofing agent and a preparation method thereof. Background technique [0002] my country's investment in construction projects is increasing year by year. At present, the proportion of waterproof project cost in the total project cost is as high as 15%. Although the investment is so large, the waterproof effect is not ideal, and the leakage rate of new projects is about 10%. [0003] Existing waterproofing agents mainly include organic silicon and inorganic silicate two kinds of waterproofing agents. Silicone waterproofing agents mainly include methyl silicate aqueous solution, silicone solvent-based waterproofing agent, and active silicone oil emulsion. Their disadvantages are: the emulsion is unstable, contains a large amount of volatile organic compounds, and has poor ...

Claims

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Application Information

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IPC IPC(8): C04B41/50
Inventor 暴峰
Owner 暴峰
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