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2 风电叶片涂层基本性能要求与检测标准
Table 2 Requirements and test standards of basic performances of wind turbine blade coatings
Coating propertiesRequirementTest standard
Gloss (60°) / %≤ 30GB/T 1743
Pencil hardness≥ HGB/T 6739
Adhesion / level≤ 1GB/T 9286
Impact resistance / kg·cm> 50GB/T 1732
Flexibility / mm≤ 1GB/T 1731
Wear resistance / [(CS10, 1000 g/1000 r)]mg< 60GB/T 1768
Elongation at break / %≥ 10ISO 157-2
Tensile strength / MPa-ISO 157-2
Water resistance / 7 dNo foaming, no wrinkling, allowed slight discolorationGB/T 4893.1
Acid resistance / (0.05 mol/L H2SO4) 7 dNo foaming, no wrinkling, allowed slight discolorationGB/T 9274
Alkali resistance / (0.1 mol/L NaOH) 7 dNo foaming, no wrinkling, allowed slight discolorationGB/T 9274