,在经济上比染料增白剂更加划算,而且
Fluorescent whitening agents are more economical than dye whitening agents, and have the advantages of low cost and good whitening effect. At the same time, it has the characteristics of non-toxicity, no pollution, no precipitation, no migration, no alteration of color and no change of pH value. It can be used in almost all kinds of fiber products, and its whitening effect is better than that of dyes. In addition, it is easy to use, can be used in different production processes, and can be used with other auxiliaries.
由于织物发出的黄光减少,白光增加,肉眼也可感觉到与黄色互为补色的织物(如:粉蓝色、粉红色、粉紫色等)明显变得更鲜艳和明亮,这就是增艳效果。
荧光增白剂研究、华东理工大学博士生导师沈永嘉教授说,荧光增白剂是一种光学调理剂。它的作用原理是将不可见的紫外光转化成肉眼可见的蓝光,与织物本身的黄光相叠加,发出白光,达到柔和、赏心悦目的增白效果,早已广泛应用于纺织、造纸、洗涤剂、塑料等众多领域。沈教授认为荧光增白剂是在衣服上涂了一层白色的东西来遮盖污渍这种说法很可笑,因为荧光增白剂与水一样,都是透明无色的,根本就无法遮盖污渍。我们把它添加到洗衣液中是因为它有任何产品都无法替代的色彩调理功能。