Anti-graffiti and scrubbing-resistant coating composition and preparation method thereof
A technology of scrub resistance and composition, applied in the field of coatings, can solve the problems of poor graffiti resistance of coatings, fast attenuation of hydrophobic effect of coatings, affecting market application prospects, etc., and achieve low VOC and excellent hydrophobic effects
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[0044] Example 1
[0045] An anti-graffiti and scrubbing-resistant coating composition, the raw materials of which include component A and component B, and the mass ratio of component A and component B is 100:20.
[0046] The components that constitute component A and component B and their mass fractions are shown in the following table.
[0047] Component A:
[0048]
[0049] Component B:
[0050]
[0051] in,
[0052] The preparation method of component A is, according to the above-mentioned parts by mass, in the reaction kettle, place deionized water in a toothed disc disperser, start the disperser and control the rotational speed at 500r / min, and then add the remaining components to the disperser in turn. , dispersed for 15min, and mixed evenly;
[0053] The preparation method of component B is, according to the above-mentioned parts by mass, in a reaction kettle, place polyisocyanate and propylene glycol methyl ether acetate in a toothed disc disperser, start th...
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[0063] Example 2
[0064] An anti-graffiti and scrubbing-resistant coating composition, the raw materials of which include component A and component B, and the mass ratio of component A and component B is 100:40.
[0065]The components that constitute component A and component B and their mass fractions are shown in the following table.
[0066] Component A:
[0067]
[0068] Component B:
[0069]
[0070] in,
[0071] The preparation method of component A is as follows: according to the above-mentioned parts by mass, in the reaction kettle, the deionized water is placed in a toothed disc disperser, the disperser is started and the rotating speed is controlled at 500 r / min, and the remaining components are added in sequence to In the dispersing machine, disperse for 15min, and mix evenly;
[0072] The preparation method of component B is, according to the above-mentioned parts by mass, in a reaction kettle, place polyisocyanate and propylene glycol methyl ether aceta...
Example Embodiment
[0082] Example 3
[0083] An anti-graffiti and scrubbing-resistant coating composition, the raw materials of which include component A and component B, and the mass ratio of component A and component B is 100:30.
[0084] The components that constitute component A and component B and their mass fractions are shown in the following table.
[0085] Component A:
[0086]
[0087] Component B:
[0088]
[0089] in,
[0090] The preparation method of component A is as follows: according to the above-mentioned parts by mass, in the reaction kettle, the deionized water is placed in a toothed disc disperser, the disperser is started and the rotating speed is controlled at 500 r / min, and the remaining components are added in sequence to In the dispersing machine, disperse for 15min, and mix evenly;
[0091] The preparation method of component B is, according to the above-mentioned parts by mass, in a reaction kettle, place polyisocyanate and propylene glycol methyl ether acet...
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