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Coating for protecting fair-faced concrete and construction technology thereof

A technology of fair-faced concrete and coatings, applied in the direction of coatings, etc., can solve problems such as large gaps, lack of decorativeness in concrete, pan-alkali, etc., and achieve the effect of preventing uneven gloss and maintaining natural texture and texture

Active Publication Date: 2013-06-12
广州市诚美涂饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large gap between the level of domestic concrete pouring molding technology and foreign countries, the natural appearance of once-molded concrete is mostly not decorative, and common defects such as cold joints, pan-alkali, rust, pitting, and honeycomb are difficult to achieve in fair-faced concrete. High standard requirements for molding

Method used

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  • Coating for protecting fair-faced concrete and construction technology thereof
  • Coating for protecting fair-faced concrete and construction technology thereof
  • Coating for protecting fair-faced concrete and construction technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of coating that is used for fair-faced concrete protection, its formula is shown in Table 1.

[0030] Table 1

[0031]

[0032] Among the above:

[0033] Wacker E22 silicone polymer emulsion, produced by Wacker;

[0034] Vivid-40 self-crosslinking acrylic acid polymer emulsion, produced by XX company;

[0035] R706, rutile titanium dioxide, produced by DuPont;

[0036] Protectosil SC60 fluorosilicone polymer supplied by Evonik Degussa.

[0037] The preparation method of the product is as follows:

[0038] Add deionized water to the reaction kettle, add Wacker E22 or Protectosil SC60 under the action of stirring, and keep stirring for 30 minutes after the dispersion is uniform, to obtain the primer or top coat in the paint.

[0039] Add deionized water to the reaction kettle, add sodium hexametaphosphate, 2-3168, texanol in turn under stirring, when one component is dispersed or dissolved evenly, the next component can be added, when all components are eve...

Embodiment 2

[0046] With reference to embodiment 1, a kind of coating that is used for fair-faced concrete protection, its formula is shown in Table 2.

[0047] Table 2

[0048]

[0049]

[0050] The preparation method of the product is as follows:

[0051] Add deionized water to the reaction kettle, add Wacker E22 or Protectosil SC60 under the action of stirring, and keep stirring for 30 minutes after the dispersion is uniform, to obtain the primer or top coat in the paint.

[0052] Add deionized water to the reaction kettle, add sodium hexametaphosphate, 2-3168, texanol in turn under stirring, when one component is dispersed or dissolved evenly, the next component can be added, when all components are evenly dispersed , keep stirring at a speed of 750rpm for 5 minutes, after completion, add cement and R706 in turn under the action of stirring, when one component is evenly dispersed, the next component can be added, when all components are evenly dispersed, at a speed of 1000-1500r...

Embodiment 3

[0059] With reference to embodiment 2, a kind of coating that is used for fair-faced concrete protection, its formula is shown in table 3.

[0060] table 3

[0061]

[0062] The preparation method of the product is as follows:

[0063] Add deionized water to the reaction kettle, add Wacker E22 or Protectosil SC60 under the action of stirring, and keep stirring for 30 minutes after the dispersion is uniform, to obtain the primer or top coat in the paint.

[0064]Add deionized water to the reaction kettle, add sodium hexametaphosphate, 2-3168, texanol in turn under stirring, when one component is dispersed or dissolved evenly, the next component can be added, when all components are evenly dispersed , keep stirring at a speed of 750rpm for 5 minutes, after completion, add cement and R706 in turn under the action of stirring, when one component is evenly dispersed, the next component can be added, when all components are evenly dispersed, at a speed of 1000-1500rpm Keep stir...

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Abstract

The invention provides a coating for protecting a fair-faced concrete and a construction technology thereof. The coating comprises a bottom coating, an intermediate coating and a surface coating, wherein the bottom coating is an organosilicon polymer; the intermediating coating comprises the following substances in percentage by weight: 80% of self-crosslinking polymer, 5% of filling, 5% of pigment, 5% of auxiliary, and the balance 5% of water; and the surface coating is a fluorosilicon resin polymer. The construction technology disclosed by the invention comprises the steps of treating a base surface, and then orderly brushing the bottom coating, the intermediate coating and the surface coating. By adopting the coating and the construction technology provided by the invention, color difference formed due to poor soil grouted concrete can be repaired, the phenomenon of luster lacking uniformity is prevented, and natural texture and arrangement of the concrete can be maintained, and the coating has excellent water resistance, alkali resistance, rinsing resistance and artificial climate resistance.

Description

technical field [0001] The invention relates to the technical field of architectural decoration, in particular to a coating used for fair-faced concrete protection and a construction process thereof. Background technique [0002] Fair-faced concrete, also known as decorative concrete, gets its name because of its great decorative effect. It belongs to one-time pouring molding, without any external decoration, and directly uses the natural surface effect of cast-in-place concrete as the finish. Therefore, it is different from ordinary concrete. One or two layers of transparent protective agent looks very natural and dignified. [0003] However, the technology and process of "clear-faced concrete" have undergone major changes since it entered China. Due to the large gap between the level of domestic concrete pouring molding technology and foreign countries, the natural appearance of once-molded concrete is mostly not decorative, and common defects such as cold joints, pan-al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D133/00C09D133/04C09D125/14C09D7/12C09D127/12C04B41/52
Inventor 许锦雄
Owner 广州市诚美涂饰工程有限公司
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