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A water-resistant and scrub-resistant latex paint for interior and exterior walls
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A technology for latex paint, interior and exterior walls, used in latex paint, coatings, etc., to solve problems such as poor scratch resistance, poor stain resistance, insufficient water resistance and scrub resistance
Active Publication Date: 2018-03-06
山东新佳涂料有限公司
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[0002] Latex paint is a kind of paint with polymer emulsion as the film-forming substance, also known as synthetic resin emulsion paint. It generally uses water as the dispersion medium, and has the characteristics of simple preparation process, relatively environmental protection, and good color retention. However, the existing High-quality latex paint also has the disadvantages of soft paint film, poor stain resistance, poor scratch resistance, and easy abrasion of the paint film.
[0003] CN102676012A discloses a pure acrylic exterior wall latex paint, which includes pure acrylic emulsion, dispersant, thickener, film-forming aid, leveling agent, titanium dioxide, heavy calcium, light calcium, talcum powder, wollastonite powder, Anti-corrosion agent, defoamer, water, pigment paste, the coating has enhanced weather resistance and long service life, but its water resistance and scrub resistance are insufficient, and if used as an interior wall coating at the same time, it is resistant to multiple water scrubs performance needs to be enhanced
The latex paint has improved weather resistance, but the hardness and water scrub resistance of the paint film need to be strengthened
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Embodiment 1
[0029] Prepare high-hardness and scrub-resistant latex paint for interior and exterior walls through the following steps:
[0030] 1) Mix 3 parts of 2-acrylamido-2-methylpropanesulfonic acid, 0.3 parts of thickener methyl cellulose ether, 5 parts of anti-cracking agent methyl ketene modified cellulose, 3 parts of wetting agent S -951, 2 parts of dispersant SN5040, 6 parts of dispersant 1124, 3 parts of leveling agent RM-2020, 12 parts of film-forming aid Texanol and 20 parts of ethylene glycol, 1 part of preservative FF-02, 0.4 parts of whitening Add ultramarine blue, 1 part of ammonia water, 2 parts of defoamer B-943 and 5 parts of RX type anti-sedimentation thixotropic agent into the diluent water, mix and stir evenly;
[0031] 2) Add composite pigments and fillers to the mixture obtained in step 1), and stir evenly, wherein the composite pigments and fillers consist of 170 parts of rutile titanium dioxide, 25 parts of ultrafine aluminum silicate, 26 parts of wollastonite po...
Embodiment 2
[0035] Other conditions are the same as in Example 1, except that the composite pigment and filler is composed of 200 parts of rutile titanium dioxide, 51 parts of wollastonite powder, 36 parts of calcined kaolin, 48 parts of precipitated barium sulfate and 36 parts of sericite powder . The performance test results of the emulsion are shown in Table 1.
Embodiment 3
[0037] Other conditions are the same as in Example 1, except that the composite pigment and filler is composed of 200 parts of rutile titanium dioxide, 25 parts of superfine aluminum silicate, 26 parts of wollastonite powder, 90 parts of precipitated barium sulfate and 36 parts of sericite powder composition. The performance test results of the emulsion are shown in Table 1.
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Abstract
A water-resistant and scrub-resistant pure acrylic latex paint for interior and exterior walls is provided, which comprises the following components by weight: 400-600 pure acrylic emulsion, 200-400 composite pigments and fillers, 100-200 water, and 40-60 composite additives, wherein , the compounding auxiliary agent includes methylpropanesulfonic acid or sodium methylpropanesulfonate substituted with acrylamide groups in the compounding auxiliary agent. The latex paint has excellent scrub resistance, environmental protection and good water resistance, so it is not only suitable for interior wall latex paint, but also suitable for exterior wall latex paint.
Description
technical field [0001] The invention belongs to the field of coatings, in particular to a modified pure acrylic latex paint for interior and exterior walls. Background technique [0002] Latex paint is a kind of paint with polymer emulsion as the film-forming substance, also known as synthetic resin emulsion paint. It generally uses water as the dispersion medium. It has the characteristics of simple preparation process, relatively environmental protection, and good color retention. However, the existing High-quality latex paints also have the shortcomings of soft paint film, poor stain resistance, poor scratch resistance, and easy abrasion of the paint film. [0003] CN102676012A discloses a pure acrylic exterior wall latex paint, which includes pure acrylic emulsion, dispersant, thickener, film-forming aid, leveling agent, titanium dioxide, heavy calcium, light calcium, talcum powder, wollastonite powder, Anti-corrosion agent, defoamer, water, pigment paste, the coating h...
Claims
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