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An anti-graffiti, water-based technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of low surface energy of water-based anti-graffiti coatings, affect the appearance of buildings, poor hydrophilicity, etc., and achieve medium and stain resistance Strong, improved self-cleaning effect, good heat resistance
Active Publication Date: 2018-10-02
天津中航百慕新材料技术有限公司
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Problems solved by technology
[0007] (4) It is difficult to clean solvent-based paint coating equipment, which must be cleaned with a strong solvent, which also has the risk of solvent poisoning and explosion;
[0008] (5) Solvent-based water-based anti-graffiti coatings have low surface energy and poor hydrophilicity. In addition, the places where they are located are mostly outdoors, and they are easily polluted by rainwater and dust in the air, resulting in rain-like pollution, which affects the quality of buildings. beautiful;
[0009] (6) Solvent-based water-based anti-graffiti coatings mostly use ordinary titanium dioxide as a weather-resistant filler, and its weather-resistant effect is poor
Method used
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Embodiment 1
[0060] A kind of water-based anti-graffiti paint, described water-based anti-graffiti paint is the two-component paint that is made up of A component and B component:
[0061] Wherein, A component comprises following components by weight percentage:
[0062]
[0063] Wherein, the B component comprises the following components by weight percentage:
[0067] A kind of water-based anti-graffiti paint, described water-based anti-graffiti paint is the two-component paint that is made up of A component and B component:
[0068] Wherein, A component comprises following components by weight percentage:
[0069]
[0070]
[0071] Wherein, the B component comprises the following components by weight percentage:
[0075] A kind of water-based anti-graffiti paint, described water-based anti-graffiti paint is the two-component paint that is made up of A component and B component:
[0076] Wherein, A component comprises following components by weight percentage:
[0077]
[0078]
[0079] Wherein, the B component comprises the following components by weight percentage:
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Abstract
The invention relates to a water-based anti-doodling paint which is a double-component paint composed of a component A and a component B. The component A comprises the following components in percentage by weight: 15-35 wt% of water-based hydroxy polyacrylate dispersion, 15-35 wt% of organosiloxane-modified water-based hydroxy polyacrylic resin, 5-15 wt% of ultraviolet-resistant filler, 0.1-0.6 wt% of defoaming agent, 0.5-1.5 wt% of leveling agent, 0.5-2 wt% of anti-aging agent, 0.5-1 wt% of wetting and dispersing agent and the balance of water, totaling 100 wt%. The component B comprises the following components in percentage by weight: 60-80 wt% of hydrophilic modified aliphatic polyisocyanate curing agent and the balance of solvent, totaling 100 wt%. The ultraviolet-resistant filler is selected from nano rutile titanium white. The water-based anti-doodling paint provided by the invention has the advantages of favorable water resistance, excellent aging resistance, high medium and pollution resistance and obvious self-cleaning action.
Description
technical field [0001] The invention belongs to the technical field of environmental protection coatings and relates to a water-based anti-graffiti coating. Background technique [0002] Small street advertisements have become an incurable disease hated by the government and citizens, especially in public places or tourist attractions with a large number of people. It not only seriously affects the image of a city, but also brings great troubles to advertising management. [0003] Water-based anti-graffiti coating is a coating with special surface functions. The surface has low surface tension. The lotus leaf-shaped surface has a self-cleaning effect, and the dirt will roll off naturally, and the self-adhesive paper will easily fall off after being pasted. Most of the existing water-based anti-graffiti coatings are solvent-based water-based anti-graffiti coatings, which have the following problems: [0004] (1) Use a large amount of solvents, high VOC, pollute the air, and ...
Claims
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