AN ANTI-RUST COMPOSITION FOR METAL SURFACE AND A METHOD OF ANTI-RUST TREATMENT ON METAL SURFACE

摘要

This invention provides an anti-rust composition for metal surfaces comprising: a). 30% to 80% by weight of water-soluble or water-dispersible acrylic resin and/or urethane resin; b). 0.1% to 10% by weight of epoxysilane and/or vinylsilane; c). 0.1% to 3% by weight of silicone surfactant and/or fluorosurfactant; d). 0.1% to 10% by weight of alcohol and/or ether; and e). water, and the weight percentage of each component is based on the total weight of the aqueous composition. And this invention also provides an anti-rust treatment method on metal surfaces comprising steps of i). coating the invented anti-rust composition onto the metal surfaces and ii). dry the coating layer at temperature from 60°C to 150°C. Moreover, this invention also provides an anti-rust treated coil steel obtained by the invented anti-rust treatment method.