城轨线车体水性湿碰湿自干面漆的设计开发  

Design and Development of Waterborne Wet-on-Wet Self-Drying Finish for Urban Rail Car Body

作　　者：江瀚 冯海钊 周丽雅 曾顺宁 Jiang Han;Feng Haizhao;Zhou Liya;Zeng Shunning(Yatu Advanced Materials Co.,Itd.,Heshan,Guangdong 529700,China)

机构地区：[1]雅图高新材料股份有限公司,广东鹤山529700

出　　处：《涂层与防护》2023年第8期16-21,26,共7页Coating and Protection

摘　　要：设计开发城轨线列车水性湿碰湿自干水性聚氨酯面漆和水性聚氨酯清漆。通过调整配方来确定主体树脂,分析不同R值对外观和耐性的影响,以此选择了固化剂的类型和用量。分析了水性聚氨酯面漆和水性聚氨酯清漆的外观以及物化性能,研究了润湿剂、成膜助剂、防爆泡剂、防老剂等助剂搭配对水性漆性能的影响。配合水性漆湿碰湿自干型创新工艺,成功应用涂装于城轨列车。The waterborne wet-on-wet self-drying waterborne polyurethane topcoat and waterborne polyurethane varnish for urban rail trains are developed.The main resin is determined by adjusting the formula.The effects of on different R values on appearance and endurance of coatings are investigated,wherein the curing agent type and dosage are optimized.The appearance and physical and chemical properties of waterborne polyurethane finish paint and waterborne polyurethane varnish are analyzed respectively.The effects of wetting agent,film-forming agent,explosion-proof foam agent,antioxidant and other additives on the performance of waterborne coatings are examined.Based on the waterborne wet-on-wet self-drying innovative process,the prepared coatings are sccessfully applied in urban rail trains.

关 键 词：水性湿碰湿自干 水性羟基丙烯酸分散体 高光泽 流平 丰满度 

分 类 号：TQ639[化学工程—精细化工]