Elastic stain-resistant exterior wall coating material and preparation method thereof

An exterior wall coating and stain-resistant technology, which is applied in anti-fouling/underwater coatings, coatings, paints containing biocides, etc. Problems such as poor soiling, restricting the promotion and use of elastic latex, etc., achieve the effect of improving high-efficiency weathering and color retention, good color retention, and increasing service life.

Inactive Publication Date: 2015-02-25
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the shortcomings of the poor stain resistance of elastic latex paints have greatly reduced the decorative properties of latex paints, especially the contradiction that t

Method used

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  • Elastic stain-resistant exterior wall coating material and preparation method thereof
  • Elastic stain-resistant exterior wall coating material and preparation method thereof
  • Elastic stain-resistant exterior wall coating material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0042] An elastic stain-resistant exterior wall paint, which is prepared from the following raw materials according to the following mass ratio through the following steps:

[0043] (1) Add 13-17 parts of water into the dispersing tank, add 0.3-0.4 parts of hydroxyethyl cellulose and 0.1-0.2 parts of water-based multifunctional additives in sequence at a speed of 350-550r / min, and disperse for 1-3 minutes;

[0044] (2) After increasing the speed to 800-1000r / min, add 1.0-1.2 parts of water-based dispersant, 0.3-0.5 parts of water-based wetting agent, 0.5-0.6 parts of water-based defoamer, 0.3-0.4 parts of bactericide, 18- After 20 parts of titanium dioxide, 9-13 parts of coating mica powder and 10-12 parts of precipitated barium sulfate, increase the speed again to 1800-2000r / min and disperse for 15-20min, then check whether the fineness is ≤60μm, if the fineness is ≤ 60 μm, then proceed to step (3);

[0045](3) Reduce the rotation speed to 1000-1200r / min and add 28-33 parts ...

Embodiment 1

[0049] An elastic stain-resistant exterior wall paint, which is prepared from the following raw materials according to the following mass ratio through the following steps:

[0050] (1) Add 13.9 parts of water into the dispersing tank, add 0.35 parts of hydroxyethyl cellulose and 0.15 parts of water-based multifunctional additives in sequence at 450r / min, and disperse for 2 minutes;

[0051] (2) After increasing the speed to 900r / min, add 1.0 parts of water-based dispersant, 0.3 parts of water-based wetting agent, 0.5 parts of water-based defoamer, 0.35 parts of fungicide, 18 parts of titanium dioxide, 13 parts of coating mica powder and 10 parts of After precipitating barium sulfate, increase the rotating speed again to 1900r / min rotating speed and disperse for 18 minutes, then check whether the fineness is ≤60 μm, if the fineness is ≤60 μm, then continue to perform step (3);

[0052] (3) After reducing the speed to 1100r / min, add 32 parts of acrylate emulsion, 5 parts of sty...

Embodiment 2

[0054] An elastic stain-resistant exterior wall paint, which is prepared from the following raw materials according to the following mass ratio through the following steps:

[0055] (1) Add 16.8 parts of water into the dispersing tank, add 0.4 parts of hydroxyethyl cellulose and 0.2 parts of water-based multifunctional additives in sequence at a speed of 550r / min, and disperse for 3 minutes;

[0056] (2) After increasing the rotating speed to 1000r / min, add 1.2 parts of water-based dispersant, 0.5 parts of water-based wetting agent, 0.6 parts of water-based defoamer, 0.3 parts of fungicide, 20 parts of titanium dioxide, 9 parts of paint mica powder and 12 After precipitating barium sulfate, increase the rotating speed again to 2000r / min rotating speed and disperse for 20min, then check whether the fineness is ≤60μm, if the fineness≤60μm, then continue to perform step (3);

[0057] (3) After reducing the speed to 1200r / min, add 33 parts of acrylate emulsion, 0.1 part of styrene...

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Abstract

The invention relates to an elastic stain-resistant exterior wall coating material and a preparation method thereof, belonging to the field of architectural ornament paints. The elastic stain-resistant exterior wall coating material is prepared from the following raw materials in parts by weight: 13-17 parts of water, 0.3-0.4 part of hydroxyethyl cellulose, 0.1-0.2 part of an aqueous multifunctional aid, 1.0-1.2 parts of aqueous dispersing agent, 0.3-0.5 part of an aqueous wetting agent, 0.5-0.6 part of an aqueous defoaming agent, 0.3-0.4 part of a bactericide, 18-20 parts of titanium dioxide, 9-13 parts of coating mica powder, 10-12 parts of precipitated barium sulphate, 28-33 parts of an acrylate emulsion, 1-6 parts of a styrene-acrylic emulsion, 3-5 parts of a wax emulsion, 1.2-1.5 parts of a coalescing agent, 1.0-1.2 parts of an antifreezing agent and 0.2-0.3 part of a germicide anticorrosive agent. The elastic stain-resistant exterior wall coating material prepared by virtue of the preparation method simultaneously has excellent stain resistance and low-temperature elasticity.

Description

technical field [0001] The invention relates to an exterior wall paint composition and a preparation method thereof, in particular to an elastic stain-resistant exterior wall paint and a preparation method thereof, belonging to the field of architectural decoration paints. Background technique [0002] With the advancement of science and technology and the development of economy and society, the level of the coatings industry has become one of the important symbols to measure the development of a country's national economy. The development of architectural coatings has also obviously become an important symbol of a country's national material living standards. With rich colors, simple construction, easy maintenance and renewal, light dead weight, non-toxic and tasteless, and high quality that can meet the requirements of protection and decoration, latex paint is gradually becoming the dominant building decoration material. In particular, elastic latex paint is more and more...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D123/30C09D7/12C09D5/16
CPCC08K2003/2241C09D133/04C08K2201/003C08L2205/035C09D5/14C09D5/16C09D7/61C09D7/69C08L25/14C08L23/30C08L1/284C08K13/02C08K3/34C08K2003/3045C08K5/378
Inventor 洪杰何玲玲张伟
Owner SKSHU PAINT
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