变色油漆美国科研人员最近研制出一种变色油漆,涂上这种油漆的汽车或飞机如受冲撞,外表漆层便会改变颜色,便于维修人员及时发现故障。这种油漆是将蓝色染料装在微型胶囊里,再把胶囊混在油漆中。当涂上这种油漆的部件受到冲击时,微型胶囊便会破裂放出染料,从而使油漆 Discoloration paint US researchers recently developed a discolored paint, paint the car or aircraft coated with such as collision, the appearance of paint will change color, to facilitate maintenance personnel in time to find fault. The paint is loaded with a blue dye in a microcapsule and the capsule in paint. When the parts coated with this paint are impacted, the microcapsules will crack to release the dye, so that the paint