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Elastic composite building exterior wall coating

A composite technology for building exterior walls, applied in the field of chemical coatings and coatings, can solve the problems of insufficient internal structure of the coating film, staining, and difficulty in cleaning, so as to improve the stain resistance, prolong the service life, and improve the compactness sexual effect

Inactive Publication Date: 2018-01-19
徐苹
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is because the water-based coating film is hydrophilic, the internal structure of the coating film is not dense enough, and the elastic coating has the characteristics of high-temperature back-adhesion, so after dust and dirt adhere to the surface of the coating film, it will be absorbed by the capillary force of the coating. Under the environment, water vapor is used as the medium to be absorbed into the surface of the coating film, causing stains and difficult to clean

Method used

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  • Elastic composite building exterior wall coating

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Embodiment

[0025] An elastic composite building exterior wall coating, comprising the following raw materials in percentage by weight: 10% deionized water, 0.1% 2-amino-2-methyl-1-propanol, 0.1% organically modified polysiloxane alcohol ether , 0.3% of alkylphenol polyoxyethylene ether, 0.1% of paraffin and hydrophobic silica, 25% of rutile titanium dioxide, 10% of ground calcium carbonate with a fineness of 1250 mesh, and precipitated BaSO with a fineness of 800 mesh 4 5%, water-washed calcined kaolin 8%, anionic elastic emulsion 25%, full acrylic resin emulsion 15%, dodecyl alcohol ester 1%, isothiazolinone 0.1%, polyether rheology modifier and alkali swelling Class thickener 0.3%.

[0026] The elastic composite building exterior wall paint produced according to the present invention has all the indicators that meet and exceed the requirements specified in JG / T172-2014 elastic architectural paint, has good elasticity, weather resistance, and water resistance, and can effectively cover ...

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Abstract

The invention discloses an elastic composite building exterior wall coating and belongs to the technical field of chemical coatings. The elastic composite building exterior wall coating mainly comprises deionized water, a multifunctional agent, a wetting agent, a dispersing agent, an antifoaming agent, titanium dioxide, coarse whiting, precipitated BaSO4, kaolin, elastic emulsion, styrene-acrylicemulsion, a coalescing agent, a preservative and a thickening agent. The elastic composite building exterior wall coating disclosed by the invention has excellent elasticity, weather resistance and water resistance and is capable of effectively blocking fine cracks of the wall. Moreover, due to compounding of two kinds of emulsion, a glass transition temperature of composite emulsion film formingis changed, the compactness of the coating is effectively improved, the contamination resistance of the elastic coating is greatly improved, and the service life of the coating is effectively prolonged. The using effect is excellent.

Description

technical field [0001] The invention relates to a coating, in particular to an elastic composite exterior wall coating for buildings, which belongs to the technical field of chemical coatings. Background technique [0002] In recent years, exterior wall architectural coatings have been used more and more. We can often see that the surface of the coating film of some buildings appears dull and greasy after a short period of time after being painted, and the coating film of elastic coating is more prominent. This is because the water-based coating film is hydrophilic, the internal structure of the coating film is not dense enough, and the elastic coating has the characteristics of high-temperature back-adhesion, so after dust and dirt adhere to the surface of the coating film, it will be absorbed by the capillary force of the coating. Under normal circumstances, water vapor is used as the medium to be absorbed into the surface of the coating film, causing stains and difficult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D133/00C09D5/16C09D7/61C09D7/63
Inventor 徐苹
Owner 徐苹
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