The results showed that the resistance of DPS coating was better than that of 3-PE and FBE.Increase of the thickness of coatings could reduce the of damage risk of the subastance due to coating gouge.

• 结果表明，DPS涂层抗划伤性能明显优于3-PE和FBE涂层，增加涂层厚度可以减少涂层被划伤至基体的危险；