Vegetation concrete surface sealant and method for performing surface treatment on vegetation concrete

A vegetation concrete and surface treatment technology, which is applied in the field of concrete surface sealer, vegetation concrete surface sealer and the surface treatment of vegetation concrete, can solve the problem of affecting the bonding between cement and stones, reducing the surface alkalinity of concrete, and affecting the surface of vegetation concrete. Intensity and durability and other issues, to achieve the treatment effect, ensure durability, moderate price effect

Active Publication Date: 2018-03-30
CCCC WUHAN HARBOR ENG DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantage of this vegetative concrete alkaline inhibitor is that it can reduce the alkalinity of the concrete surface within a certain range. The disadvantage is that the specific components react with the cement particles inside the concrete, which affects the bonding between cement and stones. Ultimately, it will affect the strength and durability of planting concrete, etc.

Method used

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  • Vegetation concrete surface sealant and method for performing surface treatment on vegetation concrete
  • Vegetation concrete surface sealant and method for performing surface treatment on vegetation concrete
  • Vegetation concrete surface sealant and method for performing surface treatment on vegetation concrete

Examples

Experimental program
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Embodiment 1

[0033]The sealing agent prepared in this embodiment includes the following components in mass percentage: 60% of acrylic emulsion; 3% of thickener; 37% of water, the viscosity of the sealing agent is 28s; the solid content of the acrylic emulsion is 35% %, when the temperature is 20°C, the viscosity is 500mpa.s; the specific gravity of the acrylic emulsion is 1.1g / cm 3 , the pH value of the acrylic emulsion is 7; the thickener is polyacrylamide.

[0034] The preparation process of the sealing agent in this embodiment is as follows: under the production condition of 25°C, add the above-mentioned water with a mass percentage of 37% to the production equipment, control the speed of the mixer at about 1000r / min, and slowly add the water with a mass percentage of 3% The polyacrylamide was stirred for about 5 minutes, the speed of the mixer was adjusted to 500r / min, and then the acrylic acid emulsion with a mass percentage of 60% was added, and the product was stirred until the prod...

Embodiment 2

[0041] The sealing agent prepared in this embodiment includes the following components in mass percentage: 50% of acrylic emulsion; 4% of thickener; 46% of water, the viscosity of the sealing agent is 32s; the solid content of the acrylic emulsion is 36 %, when the temperature is 20°C, the viscosity is 650mpa.s; the specific gravity of the acrylic emulsion is 1.1g / cm 3 , the pH value of the acrylic emulsion is 8; the thickener is carboxymethyl cellulose.

[0042] The preparation process of the sealing agent of this embodiment is as follows: under the production condition of 25°C, add the above-mentioned water with a mass percentage of 46% into the production equipment, control the speed of the mixer at about 1000r / min, and slowly add the water with a mass percentage of 4% Carboxymethyl cellulose, stirred for about 5 minutes, adjusted the speed of the mixer to 500r / min, then added acrylic acid emulsion with a mass percentage of 50%, and stirred until the product was uniformly d...

Embodiment 3

[0049] The sealing agent prepared in this embodiment includes the following components in mass percent: 55% of acrylic emulsion; 5% of thickener; 40% of water, the viscosity of the sealing agent is 35s; the solid content of the acrylic emulsion is 37 %, when the temperature is 20°C, the viscosity is 700mpa.s; the specific gravity of the acrylic emulsion is 1.1g / cm 3 , the pH value of the acrylic emulsion is 7.5; the thickener is gelatin, and the average relative molecular mass of the gelatin is 1.0×10 7 ; When the temperature is 20°C, the viscosity is 300Pa.s.

[0050] The preparation process of the sealing agent of this embodiment is as follows: under the production condition of 25°C, add the above-mentioned water with a mass percentage of 40% to the production equipment, control the rotation speed of the mixer at about 1000r / min, and slowly add 5% by mass Carboxymethyl cellulose, stirred for about 5 minutes, adjusted the speed of the mixer to 500r / min, then added acrylic ac...

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Abstract

The invention discloses a vegetation concrete surface sealant and a method for performing surface treatment on vegetation concrete. The vegetation concrete surface sealant is prepared from the following ingredients in percentage by mass: 50 to 60 percent of polyacrylic emulsion, 3 to 5 percent of thickening agents and the balance of water, wherein the viscosity of the sealant is 25 to 30s; after the sealant is uniformly sprayed to the surface of the vegetation concrete for a period of time, the alkaline value and the compressive strength of the surface are tested; through comparison with the values before spraying treatment, the research finds that the sealant can effectively reduce the surface alkalinity of the vegetation concrete; the performance such as the compressive strength of the vegetation concrete is not influenced; as a slope protection material, the vegetation concrete surface sealant has good application prospects in the field of building materials.

Description

technical field [0001] The invention relates to a concrete surface sealing agent, which belongs to the technical field of building materials, in particular to a vegetation concrete surface sealing agent and a method for surface treating the vegetation concrete. Background technique [0002] Porous vegetation concrete is a new type of slope protection material that can adapt to the growth of plants and has the function of slope protection. Compared with ordinary concrete, it has the same high strength and durability. It has increased by 2 to 3 times, so the research on porous vegetation concrete has very important significance. [0003] However, in my country, ordinary Portland cement is usually used to produce porous concrete, and ordinary Portland cement is prone to produce soluble and insoluble alkalis during the cementation process. Among them, soluble alkalis such as sodium carbonate and sodium bicarbonate can make The amine nitrogen fertilizer decomposes and escapes, ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/62C04B28/00
CPCC04B28/00C04B41/4857C04B41/62C04B41/4543C04B41/4803C04B14/02C04B2103/302
Inventor 吴克雄李顺凯屠柳青明阳朱志刚韦鹏亮徐文冰骆晚玥
Owner CCCC WUHAN HARBOR ENG DESIGN & RES
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