Water-based topcoat composition

Disclosed is a water-based topcoat composition comprising film-forming resin and an amino resin curing agent, wherein the film-forming resin comprises acrylic resin, acrylic polyurethane resin and polyester resin, and the amino resin curing agent comprises melamino-formaldehyde resin. Also disclosed is a coating system comprising at least one coating formed from the water-based topcoat composition. Use of the water-based topcoat composition for coating a substrate and the substrate coated with the water-based topcoat composition are also disclosed. 公开了水性面漆组合物，包括成膜树脂和氨基树脂固化剂，其中所述成膜树脂包括丙烯酸树脂、丙烯酸聚氨酯树脂和聚酯树脂，所述氨基树脂固化剂包括三聚氰胺甲醛树脂。还公开了包括至少一层由所述水性面漆组合物所形成涂层的涂层体系。又公开了所述水性面漆组合物用于涂覆基材的用途以及经所述水性面漆组合物涂覆的基材。