一、前言 聚氨酯作为表面漆使用,在世界上至今已有三十年历史,经历了从芳香族聚氨酯到脂肪族聚氨酯的发展过程。由于后者具有突出的保光、保色和抗粉化性能,因此作为飞机蒙皮漆已得到广泛应用,特别是在要求装饰性较高的民航客机上。 First, the foreword Polyurethane used as a surface paint, in the world has been 30 years of history, has gone from the aromatic polyurethane to aliphatic polyurethane development process. Due to its outstanding gloss retention, color retention and anti-chalking properties, the latter is widely used as an aircraft skin paint, especially on civil aircraft requiring high decorativeness.