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High-pollution-resistant high weatherproof water-based external wall emulsion paint and preparation method thereof

A latex paint and exterior wall technology, applied in latex paint, antifouling/underwater paint, paint containing biocide, etc. Unsatisfactory weather resistance and stain resistance, etc.

Active Publication Date: 2014-06-25
深圳清宇海洋环保新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the long-term use of this type of exterior wall paint, compared with the conventional exterior wall tiles, users are not very satisfied with its weather resistance and stain resistance such as chalking resistance, fading resistance, and gloss retention.
At present, the weather resistance of the exterior wall latex paint widely used in the market is worse than that of one-component solvent-based exterior wall paint, two-component polyurethane exterior wall paint and two-component fluorocarbon exterior wall paint, and its stain resistance is also lower than that of two-component exterior wall paint. Two-component fluorocarbon exterior wall paint

Method used

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  • High-pollution-resistant high weatherproof water-based external wall emulsion paint and preparation method thereof
  • High-pollution-resistant high weatherproof water-based external wall emulsion paint and preparation method thereof
  • High-pollution-resistant high weatherproof water-based external wall emulsion paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A high anti-fouling and high weather resistance water-based latex paint for exterior walls of the present invention consists of the following components by weight percentage:

[0046]

[0047]

[0048] In the dispersion tank, add water in the previous stage, antiseptic in the previous stage, ethylene glycol or / and 2-amino-2-methyl-1-propanol, dispersant in the previous stage, wetting agent, thickener in the previous stage, The antifoaming agent and pH regulator in the previous stage are dispersed at medium and low speed until thickened and completely dissolved without particles; then add precipitated silica, attapulgite, rutile nano-titanium dioxide, talcum powder, opaque polymer, titanium dioxide in sequence , add water to rinse the cylinder wall, disperse evenly at high speed, then add hydrophilic self-crosslinking acrylic emulsion, post-stage preservative, post-stage defoamer and anti-fungal agent at medium and low dispersing speed, increase the dispersing speed...

Embodiment 2

[0050] A high anti-fouling and high weather resistance water-based latex paint for exterior walls of the present invention consists of the following components by weight percentage:

[0051]

[0052]

[0053] In the dispersion tank, add water in the previous stage, antiseptic in the previous stage, ethylene glycol or / and 2-amino-2-methyl-1-propanol, dispersant in the previous stage, wetting agent, thickener in the previous stage, The antifoaming agent and pH regulator in the previous stage are dispersed at medium and low speed until thickened and completely dissolved without particles; then add precipitated silica, attapulgite, rutile nano-titanium dioxide, talcum powder, opaque polymer, titanium dioxide in sequence , add water to rinse the cylinder wall, disperse evenly at high speed, then add hydrophilic self-crosslinking acrylic emulsion, post-stage preservative, post-stage defoamer and anti-fungal agent at medium and low dispersing speed, increase the dispersing speed...

Embodiment 3

[0055] A high anti-fouling and high weather resistance water-based latex paint for exterior walls of the present invention consists of the following components by weight percentage:

[0056]

[0057]

[0058] In the dispersion tank, add water in the previous stage, antiseptic in the previous stage, ethylene glycol or / and 2-amino-2-methyl-1-propanol, dispersant in the previous stage, wetting agent, thickener in the previous stage, The antifoaming agent and pH regulator in the previous stage are dispersed at medium and low speed until thickened and completely dissolved without particles; then add precipitated silica, attapulgite, rutile nano-titanium dioxide, talcum powder, opaque polymer, titanium dioxide in sequence , add water to rinse the cylinder wall, disperse evenly at high speed, then add hydrophilic self-crosslinking acrylic emulsion, post-stage preservative, post-stage defoamer and anti-fungal agent at medium and low dispersing speed, increase the dispersing speed...

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Abstract

The invention discloses high-pollution-resistant high weatherproof water-based external wall emulsion paint and a preparation method thereof. The external wall emulsion paint comprises hydrophilic self-crosslinking acrylic emulsion, titanium dioxide, non-transparent polymer, precipitated silica, attapulgite, talcum powder, rutile type nano titanium dioxide, auxiliaries, water and other components. The invention aims at overcoming the defects in the prior art and providing external wall paint with high weather resistance and stain resistance and relatively low production cost; and the invention also aims at providing a method for preparing the external wall paint.

Description

technical field [0001] The invention relates to a high anti-pollution and high weather resistance exterior wall paint, and also relates to a method for preparing the exterior wall paint. Background technique [0002] The traditional concept of exterior wall paint is a kind of self-drying liquid paint for coating the facade of buildings, which can beautify and decorate buildings, and at the same time protect the walls of buildings. In the past 20 years in China, the promotion and application of exterior wall coatings has made great progress. Among all kinds of exterior wall coatings, single-component water-based exterior wall coatings are favored for their simple construction, safety and environmental protection, and competitive cost. , occupying a high proportion of 70% in exterior wall paint topcoat. However, with the long-term use of this type of exterior wall paint, compared with the conventional exterior wall tiles, users are not very satisfied with its weather resistan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D5/02C09D5/14C09D7/12
Inventor 陈小文蒋建平覃旭豪
Owner 深圳清宇海洋环保新材科技有限公司
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