航空耐候阻燃水性丙烯酸聚氨酯涂料的制备及应用  

Preparation and application of weathering and flame-retardant waterborne acrylic polyurethane paint for aviation

作　　者：王瑞欣 王红妮 陈素明 胡生双 WANG Ruixin;WANG Hongni;CHEN Suming;HU Shengshuang(China Institute of Aircraft Manufacturing Technology,Beijing 100024,China;AVIC Xi’an Aircraft Industry Group Company Ltd.,Xi’an 710089,China)

机构地区：[1]中国航空制造技术研究院,北京100024 [2]中航西安飞机工业集团股份有限公司,陕西西安710089

出　　处：《电镀与涂饰》2024年第10期108-115,共8页Electroplating & Finishing

摘　　要：[目的]开展水性丙烯酸聚氨酯树脂结构设计和聚合条件的研究,合成出性能优良的氟改性丙烯酸聚氨酯乳液,并以此为主体树脂,开发一款耐候、阻燃的水性涂料。[方法]讨论了树脂和固化剂种类、异氰酸酯基/羟基当量比、颜基比及阻燃剂对涂料性能的影响。[结果]在优化条件下制备的水性丙烯酸聚氨酯涂料具有优良的综合性能,涂膜在1000 h紫外老化试验后的色差为1.2,满足运输类飞机适航标准(CCAR-25)对阻燃的要求,其耐水性、耐油性、耐冲击性及附着力均达到了传统溶剂型涂料的水平。[结论]该涂料可应用于飞机内部涂装。[Introduction]The structure design and polymerization conditions of waterborne acrylic polyurethane resin were studied to synthesize a fluorine-modified acrylic polyurethane emulsion with excellent performance.By using the emulsion as binder,a weather-resistant and flame-retardant waterborne acrylic polyurethane paint was prepared.[Method]The effects of the types of resin and curing agent,─NCO/─OH equivalent ratio,pigment-to-binder ratio,and flame retardant on the properties of the paint were discussed.[Result]The waterborne acrylic polyurethane paint prepared under the optimized conditions had excellent comprehensive performance,with a color difference of 1.2 after 1000 hours of ultraviolent aging test,meeting the flame retardancy requirement of the airworthiness Standards for transport aircraft(CCAR-25).Its water resistance,oil resistance,impact resistance,and adhesion strength were at the level of traditional solvent-based paints.[Conclusion]The paint can be applied to aircraft interior painting.

关 键 词：水性丙烯酸树脂 聚氨酯 航空涂料 耐候 阻燃 

分 类 号：TQ613.3[化学工程—精细化工]