| 摘要 |
The present invention provides a powder coating composition comprising A) at least one glycidyl-functionalised (meth) acrylic resin, B) 1 to 30 wt %, the wt % based on the total weight of component A), of at least one hydroxyl-functionalised alkyl acrylate alkyl methacrylate copolymer, and C) at least one component selected from the group consisting of pigments, fillers, cross-linking agents and/or coating additives different from component B). The powder coating composition of this invention comprising the at least one hydroxyl-functionalised alkyl acrylate alkyl methacrylate copolymer may provide coatings having a highly improved impact resistance, high corrosion stability and heat resistance, and, surprisingly, a high weather resistance (superdurability), by keeping the superior technology properties of the coating such as good flow behaviour and durability against aggressive substances, such as, inorganic acids.
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