聚四氟乙烯对风电叶片聚氨酯涂层耐磨与耐雨蚀性能影响及损伤机制研究

郑子龙, 孙海静, 薛伟海, 陈国亮, 周欣, 王进军, 段德莉, 孙杰

Effects and Damage Mechanisms of Polytetrafluoroethylene on Wear and Rain Erosion Resistance of Polyurethane Coatings for Wind Turbine Blades

ZHENG Zilong, SUN Haijing, XUE Weihai, CHEN Guoliang, ZHOU Xin, WANG Jinjun, DUAN Deli, SUN Jie

表1 风电叶片PU涂料的基本配方

Table 1 Basic formulation of PU coating for wind turbine blades

Component Raw materials Mass fraction / % 1 HTPB 30 2 Titanium dioxide 23 3 Butyl acetate 10 4 UV absorber 1 Component A 5 Anti-settling agent 0.25 6 Wetting and dispersing agent 0.25 7 Defoamer 0.25 8 Levelling agent 0.25 9 PTFE 0~5 Component B 10 IPDI 30