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DPP是Diketopyrrolo(3,4-c)pyrrole (吡咯并吡咯二酮)的缩写,DPP类有机颜料是吡咯并吡咯二酮类化合物的衍生物,一般具有图1所示的结构通式,其中方框部分为其发色团。
DPP is an abbreviation for Diketopyrrolo (3,4-c) pyrrole, and DPP-based organic pigments are derivatives of diketopyrrolopyrrole compounds and generally have the general structural formula shown in Figure 1, where the formula The box part is its chromophore.