NEW PIGMENTS BASED ON TEREPHTAL ACID: SYNTHESIS AND PROPERTIES
Khayit Turaev KhudoynazarovichChemical science of doctor, professor., Termiz State University. He is the dean of the Faculty of Chemistry of Termiz State UniversityNabiev Dilmurod Abdualievichdoctor of philosophy of technical sciences (PhD). Termiz State University, Department of Chemical Technology, Senior Lecturer
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Abstract
Currently, the network of organic pigments in the world is expanding more and more. Organic pigments based on phthalic anhydride differ from their analogs by higher color intensity, better thermal stability, and resistance to solvents, as well as light absorption of wide wavelengths. In addition, the properties of pigments based on phthalic anhydride have led to the fact that the study of pigments based on other organic compounds is one of the most important research of today. Therefore, the production of organic pigments with new compositions and properties and the improvement of their synthesis mechanisms are of great importance in the world
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