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Water-based two-component concrete sealing curing agent

A sealing and curing agent, two-component technology, applied in the field of chemical building materials, can solve the problems of difficult penetration of effective substances, reduce concrete hardness, uneven dispersion, etc., achieve high cost performance, prevent back to alkali discoloration, and good stability

Active Publication Date: 2021-08-31
WUHAN DELIGU MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, magnesium fluorosilicate is slightly soluble in water, and can only form a suspension after mixing with zinc sulfate and water, which will cause uneven dispersion and difficult penetration of effective substances; on the other hand, in the second component The main reason for adding zinc sulfate is to consider that zinc sulfate can increase the plasticizing effect of cement, but there is still the problem that sulfate ion corrodes concrete and seriously reduces the hardness of concrete

Method used

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  • Water-based two-component concrete sealing curing agent
  • Water-based two-component concrete sealing curing agent
  • Water-based two-component concrete sealing curing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The water-based two-component concrete sealing and curing agent of the present invention includes component A and component B, and the raw material description and material composition are as follows in Table 3:

[0026] Table 3 Example 1 material description and composition of matter (the following percentages are mass percentages)

[0027]

[0028]

[0029] Preparation of Concrete Sealing and Curing Agent A: Add sodium silicate to the reaction kettle, then add potassium silicate to the reaction kettle and stir for 15 minutes. Under stirring conditions, water, sodium dodecylsulfonate, triethanolamine, Potassium methyl silicate was slowly added into the reaction kettle, and then continued to stir and mix for 60 minutes, filtered to remove insoluble impurities, and packaged for discharge. The reaction temperature is controlled between 10-30°C.

[0030] Preparation of Concrete Sealing and Curing Agent B: Put water into the reaction kettle first, then add hydrochlor...

Embodiment 2

[0032] The water-based two-component concrete sealing and curing agent of the present invention comprises component A and component B, and the raw material description and material composition are as follows in Table 4:

[0033] Table 4 Example 2 material description and composition of matter

[0034]

[0035]

[0036] Preparation of Concrete Sealing and Curing Agent A: Add sodium silicate to the reaction kettle, then add potassium silicate to the reaction kettle and stir for 15 minutes. Under stirring conditions, water, sodium dodecylsulfonate, triethanolamine, Potassium methyl silicate was slowly added into the reaction kettle, and then stirred and mixed at 20°C for 60 minutes, filtered to remove insoluble impurities, and packaged for discharge. The reaction temperature is controlled between 10-30°C.

[0037] Preparation of Concrete Sealing and Curing Agent B: Put water into the reaction kettle first, then add hydrochloric acid solution and stir for 15 minutes, finall...

Embodiment 3

[0039] The water-based two-component concrete sealing and curing agent of the present invention comprises component A and component B, and the raw material description and material composition are as follows in Table 5:

[0040] Table 5 Example 3 material description and composition of matter

[0041]

[0042] Preparation of Concrete Sealing and Curing Agent A: Add sodium silicate to the reaction kettle, then add potassium silicate to the reaction kettle and stir for 15 minutes. Under stirring conditions, water, sodium dodecylsulfonate, triethanolamine, Potassium methyl silicate was slowly added into the reaction kettle, and then continued to stir and mix for 60 minutes, filtered to remove insoluble impurities, and packaged for discharge. The reaction temperature is controlled between 10-30°C.

[0043] Preparation of Concrete Sealing and Curing Agent B: Put water into the reaction kettle first, then add hydrochloric acid solution and stir for 15 minutes at 20°C, finally ad...

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Abstract

The invention relates to a water-based two-component concrete sealing curing agent, and solves the problem that the performance of the existing curing agent needs to be further improved. According to the technical scheme, the coating comprises a component A and a component B, the component A comprises a sodium silicate solution, a potassium silicate solution, a penetrating agent, an accelerant, a waterproof agent and water, and the component B comprises magnesium fluosilicate, a hydrochloric acid solution and water. The curing agent is low in cost, good in stability, high in cost performance, high in strength and high in wear resistance.

Description

technical field [0001] The invention relates to a chemical building material, in particular to a water-based two-component concrete sealing and curing agent. Background technique [0002] Concrete refers to the use of cement as the main cementitious material, mixed with water, sand, stones, and chemical admixtures and mineral admixtures when necessary, in an appropriate proportion, after uniform mixing, densely formed artificial stone. As a widely used building material, concrete plays a huge role in modern construction projects. The main mechanism of increasing hardness in concrete is that silicate ions and calcium ions in concrete undergo hydration reactions under the action of water to form hydrated dicalcium silicate, and gradually generate hydrated tricalcium silicate during the curing stage of concrete. Tricalcium silicate plays a major role in the hardness of concrete, and dicalcium silicate hydrate plays a minor role in the hardness of concrete. However, in the pro...

Claims

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Application Information

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IPC IPC(8): C04B41/70
CPCC04B41/70C04B41/52C04B41/5024C04B41/4927C04B41/46C04B41/4535C04B41/5018C04B41/5016
Inventor 周章英周章贵刘啸天谌友文
Owner WUHAN DELIGU MATERIAL CO LTD
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