Titanium dioxide added waterborne acrylic paint and preparation method thereof
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A water-based acrylic and titanium dioxide technology, applied in the field of coatings, can solve the problems of destroying the continuity of the coating, the water-based acrylic paint cannot meet the demand, and the reduction
Inactive Publication Date: 2017-09-29
TAIZHOU HUANGYAN MINGZHI DECORATION MATERIALS CO LTD
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Problems solved by technology
However, in practical applications, it is found that due to some lattice defects in titanium dioxide (the main component of titanium dioxide), there are many photoactivation points on its surface, which have a slight absorption in the ultraviolet spectrum of visible light; Under the action of titanium dioxide, titanium dioxide can undergo continuous redox reactions to generate hydroxyl and peroxyl radicals; hydroxyl and peroxyl radicals are highly active, which c...
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Embodiment 1-5
[0053] A kind of water-based acrylic paint that is added with titanium dioxide, its specific preparation method comprises the steps:
[0054] S1, mixing the acrylic resin, dispersant, wetting agent, filler and 50wt% of water in the formulation amount, and pre-dispersing at a rotation speed of 400-600r / min to obtain a pre-dispersion system;
[0055] S2, grind the pre-dispersion system obtained in step S1, add the film-forming agent, defoamer and ethanol in the formula in order, and stir evenly; add the water of the remaining formula, and stir at the speed of 400-600r / min Evenly, that is.
[0056] Wherein, each component and consumption amount thereof of the water-based acrylic paint added with titanium dioxide in Examples 1-5 are shown in Table 1-5.
[0057] Table 1 The formula of the waterborne acrylic paint that adds titanium dioxide in embodiment 1
[0058]
[0059] The formula of the water-based acrylic paint that adds titanium dioxide of embodiment 2 of table 2
[00...
Embodiment 6-10
[0068] A kind of water-based acrylic paint that is added with titanium dioxide, its specific preparation method comprises the steps:
[0069] S1, mixing the acrylic resin, dispersant, wetting agent, filler and 50wt% of water in the formulation amount, and pre-dispersing at a rotation speed of 400-600r / min to obtain a pre-dispersion system;
[0070] S2, grind the pre-dispersion system obtained in step S1, add the film-forming agent and defoamer in the formula in order, and add ethanol appropriately, and stir evenly; / min and stir evenly, that is to say.
[0071] Wherein, each component and consumption amount of the water-based acrylic paint added with titanium dioxide in Example 6-8 are shown in Table 6-8.
[0072] The formula of the waterborne acrylic paint that adds titanium dioxide in embodiment 6 of table 6
[0073]
[0074] The formula of the water-based acrylic paint that adds titanium dioxide in embodiment 7 of table 7
[0075]
[0076] The formula of the water-...
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Abstract
The objective of the invention is to provide a titanium dioxide added waterborne acrylic paint with high weather resistance and capabilities of insulating and preserving heat and a preparation method thereof. The waterborne acrylic paint comprises acrylic resin, a dispersant, a wetting agent, a film forming agent, an antifoaming agent, a filling material and a solvent, wherein the film forming agent comprises amino resin; the antifoaming agent comprises 4-heptanone fluoride; and the filling material comprises rutile type titanium dioxide. The preparation method comprises the following steps: S1, predispersing the acrylic resin, the dispersant, the wetting agent, the filling material and the solvent so as to obtain a predispersed system; and S2, subjecting a predispersed system obtained in the step S1 to grinding treatment, then adding the film forming agent, the antifoaming agent and the solvent into the predispersed system in sequence, and carrying out uniform mixing under stirring so as to obtain the titanium dioxide added waterborne acrylic paint. According to the invention, after coating of the waterborne acrylic paint provided by the invention, infrared ray can be effectively reflected, so the temperature of the waterborne acrylic paint is lower than the temperature of a material; and cooling devices like an air conditioner are not needed for cooling even in solar terms with a high temperature, so the purpose of saving energy is achieved.
Description
technical field [0001] The invention relates to the field of coatings, more specifically, it relates to a water-based acrylic paint added with titanium dioxide and a preparation method thereof. Background technique [0002] Coating, commonly known as "paint", is a kind of continuous solid film material that can be coated on the surface of an object through different construction techniques to form a solid adhesion and a certain strength, which can protect, decorate and characterize the object. Traditional paints will release a large amount of volatile organic compounds (VOC) after use, resulting in poor air quality. The human body inhales a large amount of high-concentration VOC in a short period of time can cause permanent damage to lung tissue, and long-term exposure will damage the respiratory system, Liver, kidney and other functions, causing organ failure. When these traditional coatings are used as paints applied to the body of wall, these coatings need a long time to...
Claims
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Application Information
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