| 如何对铜雕进行保护保养呢？ |
| 添加时间：2021/4/22 14:57:33 浏览次数： |
| 如何对铜雕进行保护保养呢？ How to protect and maintain the copper carving? ①氧化银法。用氧化银与氧化亚铜接触，封闭氯化亚铜的暴露面，达到控制腐蚀铜雕的目的。先用机械方法，剔除粉状锈，露出灰白色蜡状物氯化亚铜。然后将氧化银与酒精调成糊剂，涂在氯化亚铜表面，并置于潮湿环境中,使其充分作用,形成氧化亚铜和氯化铜，覆盖氯化亚铜表面。两者皆为稳定性盐,如此多次操作,直至将器物置于高湿环境中仍不出现粉状锈的腐蚀点为止。此法适于斑点状局部腐蚀的器物及有金属镶嵌物的器物。 (1) Silver oxide method. The exposed surface of cuprous chloride is sealed by contacting silver oxide with cuprous oxide to control the corrosion of copper carving. First, the powder rust was removed by www.baodingbaojie.cn www.mojuzhizuo.com www.gelidunmoju.com.cn www.jiezhuangmoju.cn www.suolijc.com www.china-for.com mechanical method, and the grey waxy cuprous chloride was exposed. Then silver oxide and alcohol are mixed into paste and coated on the surface of cuprous chloride, and placed in a humid environment to make it fully functional, forming cuprous oxide and cuprous chloride, covering the surface of cuprous chloride. Both are stable salts, which are operated so many times until no powdery rust corrosion spots are found in the high humidity environment. This method is suitable for speckle locally corroded and metal mosaic articles. ②苯骈三氮唑法。苯骈三氮唑是杂环化合物，与铜及其盐类能形成稳定络合物，在铜合金表面生成不溶性且相当牢固的透明保护膜，使铜雕病被抑制并稳定下来，防止水蒸气和空气污染物的侵蚀。用蒸馏水和甲苯、丙酮等有机溶剂，清除铜雕表面泥土油污，然后浸入苯骈三氮唑酒精溶剂中进行渗透，即可形成络合物保护膜。但苯骈三氮唑易受热升华，失去保护作用，所以最后应在铜雕表面涂一层高分子材料，做封护膜。 (2) Benzotriazole method. Benzotriazole is a heterocyclic compound. It can form a stable complex with copper and its salts. It can form an insoluble and fairly solid transparent protective film on the surface of copper alloy, which can restrain and stabilize copper sculpture and prevent the erosion of water vapor and air pollutants. Using distilled water and organic solvents such as toluene and acetone to remove clay and oil contamination on the surface of copper carving, and then immersed in benzotriazole alcohol solvent for penetration, a complex protective film can be formed. However, benzotriazole is easily sublimated by heat and loses its protective effect. Therefore, a layer of macromolecule material should be coated on the surface of the copper carving as a protective film. |
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