常听人问:为什么在粉刷内外墙壁的石灰浆、水泥浆或大白浆中掺了染布的染料喷刷后不易显色,喷刷不久颜色会跑得一干二净呢?为什么用染布的袋色兑在油漆中也不易显色。涂刷后也极易跑色呢?要回答这样的问题,必须首先弄清楚颜料和染料的区别。颜料和染料虽然都是使物体显现颜色的物质,但这两种东西却不属于同一个家族。它们构成的原料和制备的方法不同,具有的性质不同,所以,使用的方法和对象也不相同。 People often ask: Why does it not be easy to develop color after painting the dyeing cloth dyed with lime slurry, cement paste or large white paste inside and outside the walls, and the color will run dry after spraying? Why is it dyed? Bag color is not easy to color in paint. After brushing it is also very easy to run it? To answer this question, you must first understand the difference between pigments and dyes. Although pigments and dyes are substances that make objects appear color, these two things do not belong to the same family. The raw materials and the methods for their preparation are different and have different properties. Therefore, the methods and objects used are also different.