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Cement waterproof coating containing acrylic ester and preparation method of cement waterproof coating

A waterproof coating and acrylate technology, applied in the field of acrylate-containing cement waterproof coating and its preparation method, can solve the problem that the impermeability and elongation at break of waterproof coating film are difficult to balance, and the elongation at break of waterproof coating film does not meet the standard , it is difficult to meet the national standards and other problems, to achieve the effect of improving compatibility, improving water permeability, and improving compactness

Inactive Publication Date: 2013-04-17
马千里
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Problems solved by technology

One of the main reasons for the high permeability is its poor impermeability, which is generally difficult to meet the national standard
And this is exactly the contradiction in the formula design of the current polymer cement-based waterproof coating products: if the amount of water-based polymer emulsion is large, the impermeability of the cement after gelling will be low; if the amount of water-based polymer emulsion is small, the waterproof coating The elongation at break of the membrane cannot meet the standard, that is, it is difficult to balance the impermeability and elongation at break of the waterproof coating film

Method used

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  • Cement waterproof coating containing acrylic ester and preparation method of cement waterproof coating
  • Cement waterproof coating containing acrylic ester and preparation method of cement waterproof coating
  • Cement waterproof coating containing acrylic ester and preparation method of cement waterproof coating

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Embodiment Construction

[0023] The following examples illustrate the present invention concretely, but the present invention is not limited to these examples. The percentages in the following examples (unless otherwise specified) are by weight.

[0024] According to the formulation in Table 1, component (A) is formed by emulsion polymerization. According to the formula in Table 2, component (B) is made by stirring and mixing cement and kaolin at room temperature. According to the formula in Table 3, slowly add component (B) to component (A) and stir and mix evenly at room temperature to prepare the acrylate-containing cement waterproof coating. The adhesive is ready-to-use and has the best performance.

[0025] Table 1 Formulation of Component (A) in Waterproof Coatings

[0026]

[0027]

[0028] Note: a = n-butyl acrylate, b = isooctyl acrylate, c = methyl methacrylate, d = methacrylic acid, e = sodium dodecylsulfonate / nonylphenol polyoxyethylene ether (Example The weight ratio of the two is...

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Abstract

The invention discloses a cement waterproof coating containing acrylic ester and a preparation method of the cement waterproof coating, and relates to the field of cement waterproof coatings. The cement waterproof coating containing acrylic ester is characterized in that the cementing compound is formed by mixing a component (A) and a component (B) based on the weight percentage, wherein the component (A) is 40-60 percent by weight of emulsion which uses polyacrylic ester as a main constituent; and the component (B) is 40-60 percent by weight of powder consisting of cement and kaoline. By the cement waterproof coating containing acrylic ester, the compatibility of the cement waterproof coating and the cement can be obviously improved, so that the compactness and the water-resistant permeability of a coating film are improved; and meanwhile, the cement waterproof coating is high in fracture extensibility and can be suitable for working conditions under long-term immersion environments.

Description

technical field [0001] The invention relates to a cement waterproof paint and a preparation method thereof, more specifically to a cement waterproof paint containing acrylate and a preparation method thereof. Background technique [0002] Cement-based waterproof coating is a flexible waterproof coating with high strength, medium flexibility and good water resistance. It is a new type of waterproof material very suitable for waterproofing projects such as underground, toilet and bathroom, and exterior walls. It is a two-component waterproof material mainly composed of water-based polymer emulsion and cement. The two components are stirred on site to form a uniform and fine slurry and brushed on the surface of the substrate. After curing, a flexible and high-strength waterproof coating film is formed. Polymer cement-based waterproof coating has the following advantages: (1) With water as the medium, it can be painted on the dry or wet base surface. Due to the dual functions ...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B24/26C08F220/18C08F2/24
Inventor 马千里
Owner 马千里
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