This project belongs to the field of fine chemicals. High-performance organic functional pigments are important high-level fine chemicals with excellent properties such as long durability, strong heat resistance, high weather fastness and good solvent resistance. Therefore, they are widely used in high-tech industries and related industries. However, due to its high technical content and complex process, the intellectual property rights of its main varieties and even key production technologies and commodity markets are still monopolized by a few international chemical multinational companies. Based on this, the project takes pyrrolopyrroldione as the research object, creates new varieties and develops new functions, and then studies and develops new efficient synthesis processes. At the same time, it independently develops advanced engineering systems around the new process to form high-performance organic pigment synthesis. The main innovations of the project are as follows: (1) New varieties and new functions: Based on the research foundation of high-performance organic functional materials, a new variety of high-performance organic pigments with independent intellectual property rights was created, that is, a high-performance organic pigment based on pyrrolopyrryldione (DPP) was invented, and a high-performance pigment with high transparency and excellent viscosity stability was obtained. Secondly, the color gamut range is further broadened, and liquid crystal pigments from red yellow light to blue and violet light can be obtained. Its use in photoresist can significantly improve the performance of liquid crystal display color materials and form photoresist pigments with independent intellectual property rights. In addition, a series of pyrrolopyrrolidione derivatives have been designed and prepared to be used as fluorescent chemical sensors, organic solid fluorescent materials and electroplating leveling aids for electronic chemicals. (2)New process: On the basis of the traditional process for preparing pyrrolopyrrodione, the traditional process for preparing pyrrolopyrrodione is partially innovated, and factors such as the selection of catalysts, reaction time, reaction temperature, feeding method, and ratio of reactants are selected and optimized. That is, the synthesized intermediate di-tert-amyl succinate is used to replace the diisopropyl succinate used in the traditional process, which improves the conversion rate of the main reaction and suppresses side reactions, and significantly improves the reaction yield and product purity; This results in high-quality products and reduces production costs. At the same time, process improvements were also carried out during the pigmenting process, giving the pigments new properties. The final product quality reached the quality of international high-performance pigments and met the U.S. FDA pigment standards for food packaging. Secondly, a new rare earth catalyst was designed and prepared to replace traditional Lewis acid and used it to catalyze key reactions in the synthesis of high-performance organic pigments, creating a series of new efficient and clean synthesis processes. (3) Commercial technology: The invention designed and prepared an organosilicon additive with excellent dispersing effect, which can reduce the particle size of the pigment and improve the coloring power. Its initial viscosity and final viscosity are significantly reduced respectively, and with the change of rotating speed, the viscosity changes very little. It can be considered that the prepared pigment slurry is close to ldquo; Newtonian fluid rdquo;. This rheological property has exceeded the performance of Ciba's product standard sample Irgazin Red BO, ensuring that automotive paint has good leveling and thickness uniformity during spraying. (4)Engineering cleanliness: This project cooperates with new synthetic processes to design and establish an engineering system for the clean production of high-performance organic pigments for the first time in China. It adopts informatization and automation technologies to change the serious pollution situation of traditional pigment production, save energy and reduce emissions, and at the same time Improve product quality. A total of 25 China invention patents have been applied for this project, 18 of which have been authorized. East China University of Science and Technology and Lily Group Co., Ltd. have cooperated for a long time to establish a high-performance organic pigment production line and implement invention patents. The total added output value is 1.36 billion yuan, the new profits and taxes are 200 million yuan, and the foreign exchange revenue is 69.87 million US dollars.