Preparation method of C.I. pigment yellow 180

The invention provides a preparation method of C.I. pigment yellow 180. The preparation method comprises the following steps: compounding three pigments in the synthetic process, carrying out diazotization by three-stage diazo, carrying out beating on 5-glycylacetylbenzimidazolone and carrying out h...

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Bibliographische Detailangaben
Hauptverfasser: NI YUEBIAO, ZHANG LIXIN, CHEN JIANXIN, FANG BIAO
Format: Patent
Sprache:chi ; eng
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