Highly-elastic waterproof coating used for metal roof and preparation method thereof
A technology for waterproof coatings and metal roofs, applied in the direction of reflection/signal coatings, coatings, etc., can solve problems that affect the service life of buildings and affect the use of buildings
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[0025] Example 1
[0026] A kind of high-elastic waterproof coating for metal roof, its formula is (weight percentage):
[0027] Table 1: The coating composition of embodiment 1
[0028] composition
[0029] The preparation method is:
[0030] Add water into the reaction kettle, and add dispersant, wetting agent, defoamer, preservative, and antifungal agent respectively while stirring. After stirring evenly, add heavy calcium powder, titanium dioxide, and fumed silica to speed up the stirring speed. until the powder is uniform into a slurry. Reduce the stirring speed, then add 2468, propylene glycol, pH regulator, thickener, and film-forming aid in sequence, and stir evenly.
Example Embodiment
[0031] Example 2
[0032] A kind of high-elastic waterproof coating for metal roof, its formula is (weight percentage):
[0033] Table 2: The coating composition of embodiment 2
[0034] composition
[0035] The preparation method is:
[0036] Add water to the reaction kettle, and add dispersant, wetting agent, defoamer, preservative, and antifungal agent respectively while stirring. After stirring evenly, add heavy calcium powder, titanium dioxide, wollastonite, and zinc oxide to speed up the process. Stir until the powder is evenly mixed into a slurry. Reduce the stirring speed, then add AE960, propylene glycol, pH regulator, thickener, and film-forming aid in sequence, and stir evenly.
Example Embodiment
[0037] Example 3
[0038] A kind of high-elastic waterproof coating for metal roof, its formula is (weight percentage):
[0039] Table 3: The coating composition of embodiment 3
[0040] composition
[0041] The preparation method is:
[0042] Add water to the reaction kettle, and add dispersant, wetting agent, defoamer, preservative, and antifungal agent respectively while stirring. After stirring evenly, add heavy calcium powder, titanium dioxide, talcum powder, and quartz powder to speed up the stirring. Speed until the powder is uniform into a slurry. Reduce the stirring speed, then add 9468, propylene glycol, pH regulator, thickener, and film-forming aid in sequence, and stir evenly.
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