| 摘要 |
<p>A method for protecting a patina surface of a copper product and a patina-treated copper product are provided to prevent the copper product from being eroded by preventing the patina dust from being generated from the copper product. A method for protecting a patina surface of a copper product comprises the steps of providing an aqueous polymer solution onto a patina-surface of the copper product such that the aqueous polymer solution penetrates into a surface of a porous patina, and drying the aqueous polymer solution such that the aqueous polymer solution forms a vapor diffusion permeable membrane together with the patina. An amount of the aqueous polymer solution, which is provided onto the patina surface of the copper product, is 5-10 g/m^2. The aqueous polymer solution is provided onto the patina surface of the copper product in the form of droplets.</p> |
