| 1. | In china , the organic pigment enterprises also actively made efforts to develop new pigment formulations , meanwhile it also developed some hpops , such as benzimidazolones , azo condensates , quinacridones , perylene series , diketopyrro - pyrroles , quinophthalones and so on 我国的有机颜料生产企业在积极开发颜料新剂型的同时,也开发了苯并咪唑酮类、偶氮缩合类、喹吖啶酮类、 ?系、吡咯并吡咯二酮类和喹酞酮类颜料等。 |