One type of acrylic coating and its preparation methods and applications, curing, outdoor buildings
A technology of acrylic and cured products, which can be used in coatings, sustainable buildings, reflective/signal coatings, etc., and can solve problems such as low reflectivity, easy damage, and failure to achieve cooling effects
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Embodiment 1
[0074] Firstly, ZrO is weighed according to the filler volume fraction accounting for 60% of the total dry film volume. 2 Fillers and silicone-acrylic emulsions, of which ZrO 2 The average particle size of the filler is about 1 μm, and the ZrO 2 Filler and silicone-acrylic emulsion are added with water to form a coating with a solid content of 60%;
[0075] Then add defoamer, leveling agent and thickener, which account for 0.02-0.03wt%, 0.4-0.5wt%, 0.4-0.5wt% of the total coating mass, respectively, and add 0.7-0.8wt% of the filler mass to disperse The agent is mixed with a high-speed mixer at 1000 rpm to obtain a high wear-resistant coating;
[0076] The wear-resistant radiation refrigeration coating with a thickness of 350 μm can be obtained by scraping, spraying, etc.
Embodiment 2
[0078] Firstly, ZrO is weighed according to the filler volume fraction accounting for 50% of the total dry film volume. 2 Fillers and Styrene Acrylic Emulsions, of which ZrO 2 The average particle size of the filler is about 1.5 μm, and the ZrO 2 Filler and silicone-acrylic emulsion are added with water to form a coating with a solid content of 60%;
[0079] Then add defoamer, leveling agent and thickener, which account for 0.02-0.03wt%, 0.4-0.5wt%, 0.4-0.5wt% of the total coating mass, respectively, and add 0.7-0.8wt% of the filler mass to disperse The agent is mixed with a high-speed mixer at 1000 rpm to obtain a high wear-resistant coating;
[0080] The wear-resistant radiation refrigeration coating with a thickness of 300 μm can be obtained by scraping, spraying, etc.
Embodiment 3
[0082] Firstly, ZrO is weighed according to the volume fraction of filler accounting for 40% of the total volume of the dry film. 2 Fillers and pure acrylic emulsions of which ZrO 2 The average particle size of the filler is about 2 μm, and the ZrO 2 Filler and silicone-acrylic emulsion are added with water to form a coating with a solid content of 60%;
[0083] Then add defoamer, leveling agent and thickener, which account for 0.02-0.03wt%, 0.4-0.5wt%, 0.4-0.5wt% of the total coating mass, respectively, and add 0.7-0.8wt% of the filler mass to disperse The agent is mixed with a high-speed mixer at 1000 rpm to obtain a high wear-resistant coating;
[0084] The wear-resistant radiation refrigeration coating with a thickness of 400 μm can be obtained by scraping, spraying, etc.
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Abstract
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