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Synthesis of p-Phenylenediamine (PPD) using Supercritical Ammonia
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 Title & Authors
Synthesis of p-Phenylenediamine (PPD) using Supercritical Ammonia
Cho, Hang-Kyu; Lim, Jong Sung;
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 Abstract
In this study, investigated the synthesis method of p-Phenylenediamine (PPD) by amination of p-Diiodobenzene (PDIB) under supercritical ammonia and CuI catalyst conditions. We examined the effects of various process variables (e.g., reaction temperature, pressure, amount of ammonia inserted, amount of catalyst inserted, and reaction time) on the production yield of PPD by analyzing the Gas Chromatography (GC). The experimental results demonstrated that PPD was not produced under non-catalyst conditions, and PPD production yield increased with increasing temperature, pressure, amount of catalyst inserted, and reaction time. However, for the reaction temperature case, it was found that was the optimal temperature, because thermal degradation of PPD occurred above . In addition, we confirmed the structure of PPD and the bonding characteristics of the amine group via FT-IR and H-NMR analysis.
 Keywords
Supercritical Fluid;Supercritical Ammonia;p-Diiodobnezene (PDIB);p-Phenylenediamine (PPD);CuI Catalyst;
 Language
Korean
 Cited by
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