The cause of yellow spots formed on fibers or fabrics from more than 10 fluorescent whiteners commonly used in China was studied on the basis of the whitening mechanism.

• 根据荧光增白剂的增白原理分析了荧光增白剂在纤维或织物上产生泛黄点的原因；并列出了目前我国常用的十几种国内外荧光增白剂的泛黄点.