Through comparing whiteness of FWA whitening plastics before &after UV aging, it is known that the addition of FWA reduce the UV aging performance of plastics, and more FWA content worse effect.
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- 对比老化前后试样的白度可知,荧光增白剂的加入降低了塑料的光老化性能,并且随着荧光增白剂用量的增加降低的幅度越大。