色素

色素介绍

色素 可分为染料和颜料,主要区别在于溶质。

染料 可溶于水、油、有机溶剂等。它们通常包含分子内的发光和色彩辅助组,具有很强的染色能力、明亮的颜色和完整的色谱。主要用于纺织纤维印染。

颜料 在水中和溶剂中不溶解,是塑料和橡胶中的主要着色剂。它们被分散成塑料和橡胶中的细颗粒,并通过遮蔽作用着色。


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