A heterocyclic red organic pigment, called DPP pigment, was successfully developed by Swiss Ciba Jiaji Company from 65438 to 0986. Although the molecular weight of DPP pigment is not large, the hydrogen bond structure in its molecular structure makes the molecules have great binding force, which makes the pigment excellent in solvent resistance, migration resistance and heat resistance. Its thermal stability can be more than 420℃, and some varieties can reach 500℃. In addition, its color is very bright, and it will not be deformed when used in HDPE injection products. At present, this series of pigments is used in the turnover box and bottle cap of Coca-Cola.
At present, the common brands of imported DPP pigments on the market are DIC, BASF-Ciba and Sunco.