Building coating and preparation method thereof

A technology of architectural coatings and gelling materials, applied in the field of architectural coatings, can solve the problems of coating performance degradation, short service life, high maintenance cost, etc., achieve high impermeability level, excellent bonding performance, and avoid corrosive gas damage Effect

Active Publication Date: 2021-06-04
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the general function of architectural coatings on the market is relatively single, which cannot better meet the diversified needs of building structures for protective materials, and the performance of the formed coating will decline rapidly after undergoing large deformation, resulting in a short service life. , generally only 5 to 10 years, and the later maintenance cost is relatively high

Method used

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  • Building coating and preparation method thereof
  • Building coating and preparation method thereof
  • Building coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A kind of architectural coating, its composition is as shown in the following table:

[0044] Table 1 A composition table of architectural coatings

[0045]

[0046] Note: According to the content of CaO in the ash of raw coal after combustion, the fly ash with CaO content > 53% is high calcium fly ash, the fly ash with CaO content 46% ~ 53% is medium calcium fly ash, and the fly ash with CaO content < 46% is low calcium fly ash.

[0047] The preparation method of the above architectural paint comprises the following steps: mixing high-calcium fly ash, low-calcium fly ash, quartz sand and metakaolin, stirring, then adding water glass, sodium hydroxide and water, stirring, and then adding PVA Fibers are stirred to obtain architectural coatings.

Embodiment 2

[0049] A kind of architectural coating, its composition is as shown in the following table:

[0050] Table 2 A composition table of architectural coatings

[0051]

[0052] Note: According to the content of CaO in the ash of raw coal after combustion, the fly ash with CaO content > 53% is high calcium fly ash, the fly ash with CaO content 46% ~ 53% is medium calcium fly ash, and the fly ash with CaO content < 46% is low calcium fly ash.

[0053] The preparation method of the above architectural paint comprises the following steps: mixing high-calcium fly ash, low-calcium fly ash, quartz sand and zeolite, stirring, then adding water glass, sodium hydroxide and water, stirring, and then adding PVA fiber , stirred to obtain architectural coatings.

Embodiment 3

[0055] A kind of architectural coating, its composition is as shown in the following table:

[0056] Table 3 A composition table of architectural coatings

[0057]

[0058] The preparation method of the above-mentioned architectural coating comprises the following steps: mixing mineral powder, silica fume and quartz sand, stirring, adding water glass, sodium hydroxide and water, stirring, adding PVA fiber, and stirring to obtain the architectural coating .

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Abstract

The invention discloses a building coating and a preparation method thereof. The building coating is composed of a cementing material, water glass, sodium hydroxide, quartz sand, metakaolin, zeolite, fibers and water. The preparation method comprises the following steps: mixing the cementing material, the quartz sand, the metakaolin and the zeolite, stirring, adding the water glass, the sodium hydroxide and the water, stirring, adding the fibers, and stirring to obtain the building coating. A coating layer formed by the building coating has ultrahigh toughness and excellent strain hardening characteristics, can still provide protection for a structure or a component matrix after being subjected to large deformation, is high in anti-permeability grade and excellent in bonding performance, and can be widely applied to surface protection of various building structures and components thereof; and the coating can also be used for reinforcing and maintaining aged and damaged building structures.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to an architectural coating and a preparation method thereof. Background technique [0002] Architectural coatings mainly refer to coatings used for building exterior walls, interior walls, ceilings, floors, etc., which have functions such as protection, decoration, fire prevention, and anticorrosion, and are closely related to the service life of building structures. At present, the general function of architectural coatings on the market is relatively single, which cannot better meet the diversified needs of building structures for protective materials, and the performance of the formed coating will decline rapidly after undergoing large deformation, resulting in a short service life. , generally only 5 to 10 years, and the later maintenance costs are relatively high. [0003] Therefore, there is an urgent need to develop an architectural coating with excellent com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02
CPCC04B28/021C04B2111/00482C04B2201/50C04B12/04C04B22/062C04B14/06C04B14/047C04B16/0641
Inventor 熊焱吴迪林凯仁
Owner SOUTH CHINA UNIV OF TECH
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