关键词: 涂料, 丙烯酸树脂, 异氰酸酯, 耐候性, 防腐蚀, 耐盐雾

Abstract: Nowadays, China’s new large oil refining devices mainly concentrated in coastal areas. The equipment have been running in long term under the strong UV-light in industrial atmosphere corrosion environment. Offshore facilities, including ships and platforms suffer from not only UV-light but also corrosion from marine environment. In order to solve these problems, the DC high weather resistance acrylic polyurethane anti-corrosion coating system has been developed. The system includes base coat, intermediate coat and finishing coat. Base coat has a content of zink of more than 80%, which improves the property of resistant cathodic disbanding and resistant salt mist. Intermediate coat provides the property of splice for base coat and the finishing coat. Finishing coat effectively take in UV-light and cut off the damage of UV-light by adding hydrochloric acid to modify nano titanium dioxide, hindered amines and triazine. Through the test of salt mist resistance, exposure in sunlight and sea water resistance in one year, the coating is still intact. It has similar performance as that of foreign similar products, the price is 30% lower than that of mentioned products, with broad prospects for application.