塑料着色剂对抗氧剂、光稳定剂效能的影响作用
丰富而靓丽的色彩是塑料产品个性化的重要特徵之一。塑料着色剂若与抗氧剂、光稳定剂配合不当，既可导致着色塑料制品过早褪色或变色，又会加快着色塑料制品的光、氧老化速度，促使制品的外观和物理机械性能损坏，提前失去原有功能和使用价值。
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对着色塑料制品，抗氧剂、光稳定剂的作用之一是消除着色剂的反稳定作用，保护塑料树脂；作用之二是通过保护树脂进而保护着色剂；作用之三是直接保护着色剂。如荧光颜料等着色剂对紫外线较敏感、耐旋光性差，在使用时需二苯甲酮或苯并三唑类紫外线吸收剂对其加以保护。
KANGYANGJIDEZUOYONG
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