Preparation and Properties of Waterborne Anti-Graffiti Wall Topcoat
The advantages and disadvantages of interior wall coatings were analyzed.A waterborne anti-graffiti topcoat was prepared using waterborne polyurethane as the film-forming material and anti-fouling additives.When the NCO/OH mol ratio was 1.5,the amount of extinction powder was 3％and the hydroxyl polyether modified polydimethylsiloxane was used as the anti-fouling additive,the comprehensive performance of waterborne anti-graffiti wall topcoat was optimal.
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