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Concrete curing agent, preparation method and application thereof

A technology of concrete curing agent and construction method, which is applied in the field of concrete curing agent and its preparation, which can solve the problems of large damage and achieve the effects of preventing sanding, improving impermeability and stain resistance, and increasing strength and hardness

Inactive Publication Date: 2017-08-11
CHONGQING EP ANTICORROSION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solidify the low modulus silicate, some construction workers add sodium fluorosilicate to it, but sodium fluorosilicate is very harmful to the human body, and it is generally forbidden to use it in today's increasingly demanding environmental protection

Method used

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  • Concrete curing agent, preparation method and application thereof
  • Concrete curing agent, preparation method and application thereof
  • Concrete curing agent, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Formula: 1% potassium silicate with a modulus of 5, 0.01% polyethylene oxide, 0.5% octyltriethoxysilane, 0.5% lignosulfonate surfactant, 0.3% polyvinyl acetate emulsion, and the balance is water.

[0029] Preparation method: Mix the components in the above formula evenly according to the above mass percentages, and stir to prepare the concrete curing agent.

[0030] Application: 1) Polish the concrete floor with 50-mesh and 300-mesh sand mills, and clean the floor;

[0031] 2) Dilute the curing agent of the present invention by 1 to 2 times and brush the concrete floor;

[0032] 3) After the concrete floor is dry, polish it with 500-mesh and 1000-mesh polishing machines respectively to obtain a concrete floor with high hardness and high gloss.

Embodiment 2

[0034] Formula: Potassium silicate with a modulus of 5.5 30%, polyethylene oxide 0.5%, octyltriethoxysilane 0.5%, octyltriethoxysilane aqueous emulsion 1%, naphthalenesulfonate 1%, butylbenzene Emulsion 1%, balance water.

[0035] The preparation method and application method of the concrete curing agent are the same as in Example 1.

Embodiment 3

[0037] Formula: 15% of potassium silicate with a modulus of 6, 0.2% of organosiloxane condensation polymer, 1% of octyltriethoxysilane aqueous emulsion, 0.8% of sulfonated melamine formaldehyde resin, 0.6% of propylene benzene emulsion, and the balance is water.

[0038] The preparation method and application method of the concrete curing agent are the same as in Example 1.

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Abstract

The invention discloses a concrete curing agent. The concrete curing agent comprises the following materials in percentage by weight: 1%-30% of potassium silicate, 0.01%-0.5% of penetrating agent, 0.5%-1.5% of water repellent, 0.5%-1% of surface active agent, 0.3%-1% of surface modifying agent and the balance of water, wherein the modulus of the potassium silicate is more than 5. The invention also provides a preparation method of the concrete curing agent. The preparation method comprises the following steps of: uniformly mixing the components in the formula according to the mass percentage, stirring and obtaining the concrete curing agent. The invention also provide a construction method of the concrete curing agent. The construction method comprises the following steps of: polishing concrete floors, brushing the concrete floors with the curing agent, and then polishing. The concrete curing agent disclosed by the invention has the advantages that due to addition of the high-modulus potassium silicate, silicate ions in the curing agent reacts with unreacted free ions in concrete to generate a complex, and then the complex is filled in capillary pores in concrete, so that the blocking for fine pores of concrete structures, the effects of sealing and curing are achieved, the strength and the hardness of the concrete are improved to a greater extent, and the sanding of the concrete is prevented.

Description

technical field [0001] The invention relates to a curing agent and its preparation method and application, in particular to a concrete curing agent and its preparation method and application. Background technique [0002] Concrete is composed of coarse granular aggregates and cement hydrates. In the process of concrete construction, the cement components and water undergo a very complex chemical reaction to form hard hydrates, which bind the aggregates filled together to form A structure with high compressive strength, and has the advantages of economy, durability, fire resistance, and high compressive performance. However, due to the inherent process of cement hardening, concrete has unavoidable disadvantages, that is, the microstructure contains a large number of interpenetrating capillary pores, which leads to the occurrence of ash and sand, which seriously affects the corporate image, product quality, equipment service life, The physical and mental health of our employe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42
CPCC04B40/0039C04B22/00C04B24/281C04B24/42C04B24/18C04B24/2623C04B24/20C04B24/26C04B24/223
Inventor 王秀玲
Owner CHONGQING EP ANTICORROSION TECH CO LTD
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