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http://dx.doi.org/10.14478/ace.2014.1092

Synthesis of Diarylide Pigments and Their Dispersion Behavior by Dispersion Precursors  

Kim, Song Hyuk (First Color Co. Ltd.)
Kim, Jae Hwan (First Color Co. Ltd.)
Yang, Seok Won (First Color Co. Ltd.)
Kim, Dae-Sung (Eco Composite Materials Lab, Korea Institute of Ceramic Engineering & Technology)
Lee, Gun-Dae (Department of Industrial Chemistry, Pukyong National University)
Park, Seong Soo (Department of Industrial Chemistry, Pukyong National University)
Publication Information
Applied Chemistry for Engineering / v.25, no.6, 2014 , pp. 586-591 More about this Journal
Abstract
In this study, the diarylide compound pigment of high hiding power and vivid color was synthesized successfully by controlling several factors such as pH, coupler solution temperature, kind and addition amount of dispersion precursor, and crystallization temperature in the process of coupling synthesis. The properties of samples were measured by the means of FT-IR, UV-Vis spectroscopy, PSA, zeta potential, and turbiscan. It was found that the highly dispersive sample could be prepared by introducing the dispersive precursor.
Keywords
Diarylide pigment; Yellow pigment; Coupling reaction; Crystallization;
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