Study of Synthesis and Pigment Characteristics of the Composition of Copper Phthalocyanine with Terephthalic Acid

Study of Synthesis and Pigment Characteristics of the Composition of Copper Phthalocyanine with Terephthalic Acid

© 2022 by IJETT Journal
Volume-70 Issue-8
Year of Publication : 2022
Authors : Dilmurod Nabiev, Khayit Turaev
DOI : 10.14445/22315381/IJETT-V70I8P201

How to Cite?

Dilmurod Nabiev, Khayit Turaev, "Study of Synthesis and Pigment Characteristics of the Composition of Copper Phthalocyanine with Terephthalic Acid," International Journal of Engineering Trends and Technology, vol. 70, no. 8, pp. 1-9, 2022. Crossref,

Dyes are currently one of the most valuable synthetic chemical compounds. Such compounds must have a stable colour and resist external influences. Among them, phthalocyanines are stored in different groups and metals and have a special place. The paper presents the synthesis of a direct compound of copper phthalocyanine with terephthalic acid added during industrial extraction. The optimal time of the compound synthesis process has been determined to be 2 hours and the temperature to be 185 °C. The composition of the compound has been confirmed by element analysis and IR-spectroscopy methods. Based on SEM images, the compound was found to be homogeneous. The obtained compound has been tested for compliance with standard pigment requirements. Enamel containing 11% of the appropriate pigment corresponds to blue industrial enamel, and its properties such as gloss, viscosity, drying time, elasticity, adhesion, resistance to water and temperature have been studied. Thermal analysis of the pigment shows that the main decomposition process is between 300 °C and 339 °C, and the maximum decomposition reaches up to 70%. Thermal analysis of the prepared enamel revealed that the basic decomposition exceeds 300 °C and the loss at 400 °C is around 44%. The resulting pigment can be used as an effective dye for painting various surfaces and colouring plastics.

Pigment, Dye, Terephthalic acid, Copper, IR spectroscopy, Thermal analysis.

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