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A kind of tunnel water-based high-brightness and easy-to-clean porcelain paint and preparation method thereof
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An easy-to-clean, water-based technology, applied in anti-corrosion coatings, reflective/signal coatings, polyurea/polyurethane coatings, etc., can solve the problems of difficult degradation and diffusion of harmful substances, general luminous effect, poor reflective effect, etc., and achieve good compactness , The surface is smooth and smooth, and the effect is easy to control
Active Publication Date: 2021-07-20
西安斯派新材料科技有限公司 +1
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Problems solved by technology
Urban highway tunnels have a large traffic flow and slow driving, resulting in a large amount of motor vehicle exhaust. Since the tunnel is in a relatively closed environment, the ventilation effect is poor, and harmful substances in the exhaust gas are difficult to degrade and diffuse.
The dust and muddy water brought by the driving of the vehicle are mixed with the carbon black and solid particles formed by the exhaust gas of the motor vehicle, and finally deposit on the walls on both sides of the tunnel to form stains, which accumulate more and more, resulting in serious pollution of the tunnel
In response to these problems, luminous paints, water-based reflective paints, and energy-storage luminous paints have appeared one after another through the reflection of the paint itself or the light emitted by absorbing the light inside the tunnel to achieve energy-saving effects. Dirty, hard to clean, less reflective
Method used
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preparation example Construction
[0032] A preparation method of a tunnel water-based highlighting and easy-cleaning vitrified coating is as follows:
[0033] Firstly, the hydrophobic modified reflective micro-beads are prepared, and the specific preparation process is as follows:
[0034] Hydrophobic modified reflective beads are prepared by the following process:
[0035](1) According to mass percentage, after mixing 12-15% of lithium chloride, 14-40% of titanium chloride, 16-30% of aluminum nitrate and 16-25% of lanthanum nitrate, add it to 12-15% of water and mix and stirring at a stirring rate of 300 rpm, heated in a water bath to 50°C, then dropwise added 0.1-1% sodium hydroxide solution with a mass concentration of 20%, filtered after stirring for 3 hours, washed the filter cake and dispersed it in water, Heating in a water bath at 50°C and stirring, adding acetic acid dropwise to pH=4-5, and stirring for 3 hours to obtain the first sol;
[0036] (2) According to the mass percentage, add 30-43% of eth...
Embodiment 1
[0047] The preparation method of the water-based high-brightness and easy-to-clean porcelain coating for tunnels is as follows:
[0048] (1) In terms of mass percentage, after mixing 12% of lithium chloride, 40% of titanium chloride, 16% of aluminum nitrate and 19.9% of lanthanum nitrate, they are added to 12% of water, mixed and stirred, and the stirring rate is 300 rpm / per minute, heated to 50°C in a water bath, then added dropwise 0.1% sodium hydroxide solution with a mass concentration of 20%, filtered after stirring for 3 hours, washed the filter cake and dispersed it in water, heated in a water bath to 50°C with stirring, and added dropwise acetic acid to pH= 4-5, stirring for 3 hours to obtain the first sol;
[0049] (2) In terms of mass percentage, 30% ethyl orthosilicate and 30% methyl triethoxysilane were added to dissolve in 25% ethanol, and 15% water was added under stirring, then acetic acid was added to adjust the pH value to 4-5, and then The first sol was ad...
Embodiment 2
[0059] In Example 2, the weight ratio of composition A to curing agent is 100:20, and the components of composition A are shown in Table 2.
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Abstract
A tunnel water-based bright and easy-to-clean vitrified coating and its preparation method, mixing water, defoamer, dispersant, wetting agent, propylene glycol, hydroxyethyl cellulose and pH regulator, stirring evenly, and then adding titanium dioxide and Stir the high-gloss attapulgite powder evenly to obtain a mixed material; then add water-based synthetic resin, film-forming aids, hydrophobically modified reflective beads, anti-corrosion bactericide and thickener to obtain a composition A; combine the composition A and cure Agents are mixed at a mass ratio of 100:10-20 to obtain a tunnel water-based high-brightness easy-to-clean porcelain coating. The water-based high-brightness and easy-to-clean porcelain paint for tunnels of the present invention has good compactness and high gloss, and has a good reflection effect under light irradiation, effectively increases the illuminance inside the tunnel, and improves the safety of vehicles running inside the tunnel. When there is floating ash and oil on the surface of the tunnel, it can be easily removed with a water gun to achieve an easy-to-clean effect and save water and electricity costs significantly. It has a wide application prospect in the field of tunnel interior decoration.
Description
technical field [0001] The invention relates to the technical field of water-based reflective coatings, in particular to a water-based high-brightness and easy-to-clean vitrified coating for tunnels and a preparation method thereof. Background technique [0002] With the construction of a large number of national highways, the mileage of tunnel construction has greatly increased. How to effectively reduce the energy consumption of tunnel lighting under the premise of ensuring driving safety is imminent. Urban road tunnels have a large traffic flow and slow driving, resulting in a large amount of motor vehicle exhaust. Since the tunnel is in a relatively closed environment, the ventilation effect is poor, and the harmful substances in the exhaust gas are difficult to degrade and diffuse. The dust and muddy water brought by vehicles mixed with carbon black and solid particles formed by vehicle exhaust, and finally deposited on the walls on both sides of the tunnel to form stai...
Claims
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Application Information
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