▎ 摘　　要

NOVELTY - Single-component aqueous topcoat comprises 45-55 pts. wt. aqueous acrylic resin, 30-40 pts. wt. aqueous polyurethane resin, 1-5 pts. wt. water-soluble graphene aqueous dispersion, 0.3-0.5 pts. wt. wetting agent, 0.2-0.4 pts. wt. antifoaming agent, 5-7 pts. wt. cosolvent, 0.3-0.5 pts. wt. thickener, 0.5-0.7 pts. wt. preservative, and 3-6 pts. wt. deionized water. USE - The single-component aqueous topcoat is useful for plastic runways (claimed). ADVANTAGE - The method: makes the graphene in the raw material uniformly dispersed in the single-component aqueous topcoat and improve the wear resistance of the topcoat. The single-component aqueous topcoat has excellent wear resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the single-component aqueous topcoat for plastic runways comprising either (a) orderly adding aqueous acrylic resin and aqueous polyurethane resin, orderly adding wetting agent, antifoaming agent, and cosolvent during the stirring process, and continuously stirring to uniform to obtain mixed material A, (b) adding deionized water and water-soluble graphene dispersion, and uniformly stirring to obtain water-soluble graphene dispersion B, (c) adding the water-soluble graphene dispersion B obtained in the step (ii) to the mixed material A, and continuously stirring at low speed to obtain the mixed material B, (d) adding thickener to mixed material B, and stirring at high speed to no longer increasing the viscosity to obtain the mixed material C, and (e) adding preservative to the mixed material C, and uniformly stirring, or (A) orderly adding aqueous acrylic resin and aqueous polyurethane resin, orderly adding wetting agent, antifoaming agent, and cosolvent during the stirring process, and continuously stirring to uniform to obtain mixed material A, (B) adding deionized water and water-soluble graphene, and uniformly stirring to obtain water-soluble graphene dispersion, (C) adding the water-soluble graphene dispersion obtained in the step (B) to the mixed material A, and continuously stirring at low speed to obtain mixed material B, (D) adding thickener to mixed material B, and stirring at high speed to no longer increasing the viscosity to obtain the mixed material C, and (E) adding preservative to the mixed material C, and uniformly stirring.